FUEL INJECTION LINE
Each product in this category is crafted with precision and durability in mind, ensuring a reliable and secure connection between the fuel tank and the engine. From injector line sets to fuel return line kits, customers can find the exact parts they need to keep their vehicles running smoothly.
Whether you are in need of injector lines for cylinders 1 and 8 or a dosing injector fuel line disconnect tool, this category has you covered. The variety of options available allows for easy customization and compatibility with different vehicle models, making it convenient for both mechanics and DIY enthusiasts.
With trusted brands like Fleece, Dorman, and Industrial Injection, customers can have peace of mind knowing that they are investing in high-quality products that meet industry standards. Say goodbye to leaks, clogs, and other fuel system issues with the premium fuel injection lines available in this category.
Upgrade your vehicle's fuel system with top-of-the-line components from this diverse selection of fuel injection lines. Keep your engine running efficiently and effectively with the right parts for the job, and experience a smoother and more reliable driving experience.
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GM 12670453 RIGHT SIDE INJECTION PUMP OUTLET TO RAIL LINE FOR 11-16 GM EXPRESS/SAVANNA 6.6L DURAMAX LGH
GM
$53.88The GM 12670453 Right Side Injection Pump Outlet to Rail Line is an indispensable component engineered for optimal performance in 2011-2016 GM Express and Savanna vehicles powered by the 6.6L Duramax LGH engine. Part of the esteemed GM Genuine Parts...$53.88 -
GM 12670454 LEFT SIDE INJECTION PUMP OUTLET TO RAIL LINE FOR 11-16 GM EXPRESS/SAVANNA 6.6L DURAMAX LGH
GM
$54.31The GM 12670454 Left Side Injection Pump Outlet to Rail Line is a crucial component designed for optimal fuel delivery in 2011-2016 GM Express and Savanna vehicles featuring the powerful 6.6L Duramax LGH engine. This precision-engineered part is...$54.31 -
GM 12670475 RIGHT SIDE INJECTION PUMP OUTLET TO RAIL LINE FOR 11-16 GM 6.6L DURAMAX LML
GM
$60.76The GM 12670475 Right Side Injection Pump Outlet to Rail Line is an essential component for your 2011-2016 GM 6.6L Duramax LML engine. Crafted with precision, this fuel line is a product of GM Genuine Parts, which are designed, engineered, and rigorously...$60.76 -
GM 12670474 LEFT SIDE INJECTION PUMP OUTLET TO RAIL LINE FOR 11-16 GM 6.6L DURAMAX LML
GM
$44.99The GM 12670474 Left Side Injection Pump Outlet to Rail Line is an essential upgrade for enthusiasts and professionals maintaining 2011-2016 GM 6.6L Duramax LML engines. Designed as a part of the GM Genuine Parts lineup, this fuel line matches the...$44.99 -
GM 12670466 HIGH PRESSURE RAIL-TO-RAIL CROSSOVER LINE FOR 11-16 GM 6.6L DURAMAX LML
GM
$106.81The GM 12670466 High Pressure Rail-to-Rail Crossover Line is engineered for the 2011-2016 GM 6.6L Duramax LML engines, ensuring optimal performance and safety for your vehicle. Designed with precision and reliability in mind, this high-pressure fuel line...$106.81 -
GM 97188721 INJECTION LINE CYLINDERS 3 & 6 FOR 01-04 GM 6.6L DURAMAX LB7
GM
$112.53The GM 97188721 Injection Line for cylinders 3 and 6 is a premium component designed specifically for the 2001-2004 GM 6.6L Duramax LB7 engine. Crafted with precision, this fuel injector line reflects GM's commitment to quality and performance, ensuring...$112.53 -
GM 97188723 INJECTION LINE CYLINDERS 2 & 7 FOR 01-04 GM 6.6L DURAMAX LB7
GM
$103.85Elevate the performance of your 2001-2004 GM 6.6L Duramax LB7 engine with the GM 97188723 Injection Line designed specifically for cylinders 2 and 7. This premium product represents a significant advancement in fuel delivery efficiency, meticulously...$103.85 -
GM 97188722 INJECTION LINE CYLINDERS 4 & 5 FOR 01-04 GM 6.6L DURAMAX LB7
GM
$110.17The GM 97188722 Injection Line is expertly engineered to enhance the performance of your 2001-2004 GM 6.6L Duramax LB7 diesel engine, specifically for cylinders 4 and 5. This critical component plays a vital role in directing fuel flow, ensuring optimal...$110.17 -
GM 97188720 INJECTION LINE CYLINDERS 1 & 8 FOR 01-04 GM 6.6L DURAMAX LB7
GM
$109.39The GM 97188720 Injection Line is an essential component designed specifically for the 2001-2004 GM 6.6L Duramax LB7 engine, ensuring optimal performance for cylinders 1 and 8. This injection line reflects the hallmark of quality and precision...$109.39 -
GM 12670468 FUEL INJECTOR LINE CYLINDERS 1 & 8 FOR 11-16 GM 6.6L DURAMAX LML/LGH
GM
$33.39The GM 12670468 Fuel Injector Line for cylinders 1 and 8 is a precision-engineered component tailored specifically for the 2011-2016 GM 6.6L Duramax LML/LGH engines. As a part of the GM Genuine Parts family, this fuel injector line embodies the highest...$33.39 -
GM 12670469 FUEL INJECTOR LINE CYLINDERS 3 & 6 FOR 11-16 GM 6.6L DURAMAX LML/LGH
GM
$33.29The GM 12670469 Fuel Injector Line for Cylinders 3 and 6 is a premium replacement component tailored specifically for the 2011-2016 GM 6.6L Duramax LML/LGH engines. Manufactured with meticulous attention to detail, this fuel injector line exemplifies the...$33.29 -
GM 12670460 FUEL INJECTOR LINE CYLINDER 2 & 7 FOR 11-16 GM 6.6L DURAMAX LML/LGH
GM
$36.60The GM 12670460 Fuel Injector Line is an essential component designed specifically for the 2011-2016 GM 6.6L Duramax LML/LGH engine, servicing cylinders 2 and 7. As part of GM’s Genuine Parts lineup, this fuel line exemplifies quality, reliability, and...$36.60 -
GM 12670471 FUEL INJECTOR LINE CYLINDERS 4 & 5 FOR 11-16 GM 6.6L DURAMAX LML/LGH
GM
$35.49The GM 12670471 Fuel Injector Line is meticulously crafted for cylinders 4 and 5 of the 2011-2016 GM 6.6L Duramax LML and LGH engines. This product epitomizes quality and reliability, designed specifically to meet the rigorous standards set by General...$35.49 -
GM 97188733 LB7 FUEL RETURN LINE FOR 01-04 GM 6.6L DURAMAX LB7
GM
$98.04The GM 97188733 LB7 Fuel Return Line is an essential high-quality component designed specifically for 2001-2004 GM 6.6L Duramax LB7 engines. This meticulously engineered fuel return line plays a pivotal role in your vehicle's fuel injection system,...$98.04 -
INDUSTRIAL INJECTION 412501 GM INJECTOR LINE SET FOR 01-04 6.6L LB7 DURAMAX
INDUSTRIAL INJECTION
$376.00This is a complete set of brand new fuel lines for the 2001-2004 LB7 Duramax. We recommend ordering a set of these lines when purchasing new injectors. Through years of doing warranty work and working on these model trucks we have found that most...$376.00 -
INDUSTRIAL INJECTION 4G6101K GM DISASTER KIT (KIT ONLY) FOR 11-16 6.6L LML DURAMAX
INDUSTRIAL INJECTION
$2,594.99This LML Disaster Repair Kit is everything you will need to repair your LML, minus the pump and injectors, in the event of catastrophic fuel system failure. If you have had a CP4 failure, this is the kit you need! Industrial Injection is the leading...$2,594.99 -
Dorman 904-154 Fuel Injector Line (Cylinder 1 & 8) 2007.5-2010 GM 6.6L Duramax LMM
DORMAN
$124.44This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$124.44 -
Dorman 904-155 Fuel Injector Line (Cylinder 3 & 6) 2007.5-2010 GM 6.6L Duramax LMM
DORMAN
$75.70This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$75.70 -
Dorman 904-156 Fuel Injector Line (Cylinder 4 & 5) 2007.5-2010 GM 6.6L Duramax LMM
DORMAN
$129.26This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$129.26 -
Dorman 904-157 Fuel Injector Line (Cylinder 2 & 7) 2007.5-2010 GM 6.6L Duramax LMM
DORMAN
$122.36This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$122.36 -
Dorman 904-153 Fuel Injector Line (Cylinders 2 & 7) 2004.5-2005 GM 6.6L Duramax LLY
DORMAN
$67.29This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$67.29 -
ALLIANT AP0219 FUEL INJECTOR LINE CYL 1 & 8 FOR 11-16 GM 6.6L DURAMAX LML
ALLIANT POWER
$34.66Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.2807Country/Region of Origin CodeINItem UPC/EAN Number843497113101No.APP41273The Alliant AP0219 Fuel Injector Line is expertly designed for precise performance in 2011-2016 GM...$34.66 -
ALLIANT AP0220 FUEL INJECTOR LINE CYL 2 & 7 FOR 11-16 GM 6.6L DURAMAX LML
ALLIANT POWER
$34.66Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.2815Country/Region of Origin CodeINItem UPC/EAN Number843497113118No.APP41274The Alliant AP0220 Fuel Injector Line is expertly crafted to meet the needs of your 2011-2016 GM 6...$34.66 -
ALLIANT AP0218 FUEL INJECTOR LINE CYL 3 & 6 FOR 11-16 GM 6.6L DURAMAX LML
ALLIANT POWER
$34.66Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.2807Country/Region of Origin CodeINItem UPC/EAN Number843497113095No.APP41272The Alliant AP0218 Fuel Injector Line is an essential component specifically designed for the...$34.66 -
ALLIANT AP0217 FUEL INJECTOR LINE CYL 4 & 5 FOR 11-16 GM 6.6L DURAMAX LML
ALLIANT POWER
$34.66Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.2812Country/Region of Origin CodeINItem UPC/EAN Number843497113071No.APP41271The Alliant AP0217 Fuel Injector Line is an essential component designed specifically for...$34.66 -
ALLIANT AP0059 FUEL RETURN LINE BANJO BOLT FOR 01-04 GM 6.6L DURAMAX LB7
ALLIANT POWER
$16.75Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.037Country/Region of Origin CodeJPItem UPC/EAN Number843497100590No.APP3066The Alliant Fuel Return Line Banjo Bolt AP0059 is a vital component specifically designed for the...$16.75 -
FLEECE FPE-FL-LLY-45 LLY DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 4 & 5)
FLEECE PERFORMANCE
$69.99LLY Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$69.99 -
FLEECE FPE-FL-LLY-36 LLY DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 3 & 6)
FLEECE PERFORMANCE
$69.99LLY Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$69.99 -
FLEECE FPE-FL-LLY-27 LLY DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 2 & 7)
FLEECE PERFORMANCE
$69.99LLY Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$69.99 -
FLEECE FPE-FL-LLY-18 LLY DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 1 & 8)
FLEECE PERFORMANCE
$69.99LLY Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$69.99 -
FLEECE FPE-FL-LBZLMM-45 LBZ/LMM DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 4 & 5)
FLEECE PERFORMANCE
$79.99LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$79.99 -
FLEECE FPE-FL-LBZLMM-36 LBZ/LMM DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 3 & 6)
FLEECE PERFORMANCE
$79.99LBZ/LMM Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$79.99 -
FLEECE FPE-FL-LBZLMM-27 LBZ/LMM DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 2 & 7)
FLEECE PERFORMANCE
$79.99LBZ/LMM Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$79.99 -
FLEECE FPE-FL-LBZLMM-18 LBZ/LMM DURAMAX HIGH PRESSURE INJECTION LINE (CYLINDER 1 & 8)
FLEECE PERFORMANCE
$79.99LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part...$79.99 -
FLEECE FPE-FL-DMAX-LLY-SET LLY DURAMAX HIGH PRESSURE INJECTION LINE KIT
FLEECE PERFORMANCE
$489.00LLY Duramax High Pressure Injection Line Kit. Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part number 97378825 (qty 2)...$489.00 -
FLEECE FPE-FL-DMAX-LBZLMM-SET LBZ/LMM DURAMAX HIGH PRESSURE INJECTION LINE KIT
FLEECE PERFORMANCE
$569.00Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. This kit includes a complete set of 8 lines. Application Notes: Replaces GM Part number 98006523 (qty 2)...$569.00 -
BOSTECH ISK637 FUEL INJECTOR RETURN LINE KIT 2004-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
BOSTECH FUEL
$33.95Fuel Injector Return Line Kit Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LLY / LBZ / LMM The BOSTECH ISK637 Fuel Injector Return Line Kit is a vital upgrade for those seeking...$33.95 -
DORMAN 819-874 FLEXIBLE STAINLESS STEEL BRAIDED FUEL LINE (FRONT) (EXTENDED CAB) 2004.5-2010 GM SILVERADO/SIERRA 2500HD/3500HD 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$293.30Original-style hard fuel lines can be tough to route under the vehicle. These Dorman OE FIX lines are stainless steel over flexible PTFE tubing, made to specific length for extended cab GMC Sierra and Chevy Silverado pickups, with new brackets and...$293.30 -
DORMAN 819-801 FLEXIBLE STAINLESS STEEL BRAIDED FUEL LINE (REAR) 2001-2004 GM SILVERADO/SIERRA 2500HD/3500HD 6.6L DURAMAX LB7
DORMAN
$203.02Original equipment fuel lines on certain Chevrolet and GMC trucks can fail from deterioration caused by corroded fittings. These Dorman OE FIX fuel lines are made of braided stainless steel over flexible PTFE tubing for improved durability. Made to...$203.02 -
DORMAN 904-042 FUEL INJECTION LINE (CYLINDERS 2-3-6-7) 2017-2021 GM 6.6L DURAMAX L5P
DORMAN
$27.26This fuel injection fuel feed pipe is designed to match the fit and function of the original pipe on specified applications, and is engineered for reliable performance and durability. Direct replacement - this fuel injection fuel feed pipe is...$27.26 -
DORMAN 904-043 FUEL INJECTION LINE (CYLINDERS 1-4-5-8) 2017-2021 GM 6.6L DURAMAX L5P
DORMAN
$28.07This fuel injection fuel feed pipe is designed to match the fit and function of the original pipe on specified applications, and is engineered for reliable performance and durability. Direct replacement - this fuel injection fuel feed pipe is...$28.07 -
DORMAN 904-951 FUEL INJECTOR RETURN LINE HOSE 2011-2016 GM 6.6L DURAMAX LML/LGH
DORMAN
$158.69This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions. Trustworthy replacement - this fuel line safely replaces the original fuel line to fix fuel leaks Durable design - withstands tough...$158.69 -
DORMAN 904-128 FUEL INJECTION LINE (CYLINDERS 3 & 6) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$70.95This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$70.95 -
DORMAN 904-127 FUEL INJECTION LINE (CYLINDERS 4 & 5) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$70.95This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation. Direct replacement -...$70.95 -
DORMAN 919-845 FUEL LINE KIT 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$346.95Original equipment fuel lines often leak due to rust and corrosion. This Dorman OE FIX kit includes upgraded stainless steel fuel lines that increase durability. They are also pre-formed to fit specific vehicles for easier installation. Upgraded...$346.95 -
DORMAN 904-126 FUEL INJECTION LINE (CYLINDERS 2 & 7) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$69.95Precision-engineered to ensure optimal performance, the DORMAN 904-126 Fuel Injection Line for Cylinders 2 & 7 is the ideal solution for replacing the original fuel injector line on 2001-2004 GM 6.6L Duramax LB7 vehicles. This direct replacement line is...$69.95 -
DORMAN 919-873 STAINLESS STEEL FUEL LINE KIT (CREW CAB) 2001-2004 GM 2500HD/3500HD 6.6L DURAMAX LB7
DORMAN
$430.68The DORMAN 919-873 Stainless Steel Fuel Line Kit (Crew Cab) is an essential upgrade for owners of GM 2500HD/3500HD trucks equipped with the 6.6L Duramax LB7 engine from 2001 to 2004. Addressing the common issue of fuel line leaks caused by rust and...$430.68 -
DORMAN 904-136 FUEL INJECTOR FEED LINE SEAL KIT 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$23.45The DORMAN 904-136 Fuel Injector Feed Line Seal Kit is a top-notch replacement part designed to effectively transfer fuel and withstand harsh underhood and undercar conditions. Engineered to be a trustworthy replacement, this feed hose ensures a safe and...$23.45 -
DORMAN 919-874 FUEL LINE KIT (CREW CAB) 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$398.95The DORMAN 919-874 Fuel Line Kit is the ultimate solution for those experiencing fuel line issues in their 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM Crew Cab vehicles. Say goodbye to leaks caused by rust and corrosion with this OE FIX kit that features...$398.95 -
DORMAN 904-122 Right Diesel Return Line 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$113.95The DORMAN 904-122 Right Diesel Return Line is the ideal solution for ensuring your vehicle's fuel system operates at its best. Specifically designed for 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM models, this replacement fuel injector line is...$113.95 -
DORMAN 904-123 Left Diesel Return Line 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$107.95The DORMAN 904-123 Left Diesel Return Line is the ideal solution for replacing the original fuel injector line on your 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM vehicle. Engineered as a direct replacement, this fuel injector line guarantees a perfect fit...$107.95 -
XDP XD597 OER SERIES FUEL INJECTOR LINE (CYLINDERS 2 AND 7) 2001-2004 GM DURAMAX 6.6L LB7
XTREME DIESEL PERFORMANCE
$49.95The XDP XD597 OER Series Fuel Injector Line for Cylinders 2 and 7 is specifically designed to cater to owners of 2001-2004 GM 6.6L Duramax LB7 engines. As the factory injector lines in these vehicles are susceptible to issues such as corrosion and fuel...$49.95 -
XDP XD596 OER SERIES FUEL INJECTOR LINE (CYLINDERS 4 AND 5) 2001-2004 GM DURAMAX 6.6L LB7
XTREME DIESEL PERFORMANCE
$49.95The XDP XD596 OER Series Fuel Injector Line for Cylinders 4 and 5 is a top-of-the-line fuel system component designed specifically for 2001-2004 GM Duramax 6.6L LB7 engines. Engineered to provide exceptional performance and reliability, these fuel...$49.95 -
XDP XD595 OER SERIES FUEL INJECTOR LINE (CYLINDERS 3 AND 6) 2001-2004 GM DURAMAX 6.6L LB7
XTREME DIESEL PERFORMANCE
$49.95The XDP OER Series Fuel Injector Line (Cylinders 3 and 6) XD595 is the ultimate solution for replacing the leaking OEM fuel lines in your 2001-2004 GM 6.6L Duramax LB7. Designed to combat the common issue of corrosion in factory injector lines, this...$49.95 -
XDP XD594 OER SERIES FUEL INJECTOR LINE (CYLINDERS 1 AND 8) 2001-2004 GM DURAMAX 6.6L LB7
XTREME DIESEL PERFORMANCE
$49.95Ensure proper fuel delivery in your 2001-2004 GM 6.6L Duramax LB7 with the XDP OER Series Fuel Injector Line (Cylinders 1 and 8) XD594. If your factory fuel injector lines have succumbed to corrosion or contamination, this OE-style replacement line is...$49.95 -
BOSCH 0928402097 FUEL INJECTOR RETURN LINE LEFT SIDE 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
BOSCH
$44.45The BOSCH 0928402097 Fuel Injector Return Line for Left Side on 04.5-10 GM Duramax 6.6L LLY/LBZ/LMM engines is a top-quality, genuine OEM product designed to meet the exact specifications of your vehicle. Engineered by BOSCH®, a trusted name in...$44.45 -
BOSCH F00VC22003 FUEL INJECTOR RETURN LINE CLIP 04.5-10 GM DURAMAX 6.6L LLY/ LBZ/LMM
BOSCH
$2.58The BOSCH F00VC22003 Fuel Injector Return Line Clip is a top-quality genuine Bosch part designed for 2004.5-2010 GM Duramax 6.6L LLY/LBZ/LMM engines. This injector return line clip is crucial for the proper functioning of the fuel system, ensuring a...$2.58 -
BD DIESEL 1050140 FUEL INJECTOR LINE SET FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$442.95The BD Diesel 1050140 Fuel Injector Line Set is the perfect solution for those with 2001-2004 GM Duramax 6.6L LB7 engines looking to replace their stock fuel injector feed lines. These fuel lines are crucial components that often succumb to rust due to...$442.95 -
DYNOMITE DIESEL FPE-34611 DURAMAX 01-04 LB7 INJECTION LINE SET
DYNOMITE DIESEL
$427.50Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your injectors, have a line failure, or are looking to upgrade your stock lines, we’ve got you covered with our...$427.50 -
DYNOMITE DIESEL DDP.LB7LINE-SET DURAMAX 01-04 LB7 INJECTION LINE SET
DYNOMITE DIESEL
$665.00Experience superior performance and unparalleled durability with the DYNOMITE DIESEL DDP.LB7LINE-SET Duramax 01-04 LB7 Injection Line Set. This meticulously crafted product consists of a full set of 8 brand new lines, ensuring top-notch quality and...$665.00 -
FLEECE FPE-FL-LB7-18 HIGH PRESSURE INJECTION LINE (1 AND 8) FOR 01-04 GM 6.6L DURAMAX LB7
FLEECE PERFORMANCE
$68.99The FLEECE FPE-FL-LB7-18 High Pressure Injection Line for the 2001-2004 GM 6.6L Duramax LB7 is the ultimate solution for replacing your corroded or broken OEM injection lines. As original LB7 injection lines are prone to corrosion and breakage, causing...$68.99 -
FLEECE FPE-FL-LB7-27 HIGH PRESSURE INJECTION LINE (2 AND 7) FOR 01-04 GM 6.6L DURAMAX LB7
FLEECE PERFORMANCE
$68.99Fleece FPE-FL-LB7-27 High-Pressure Injection Line for 2001-2004 GM 6.6L Duramax LB7 is the ultimate solution to combat corroded and broken injection lines commonly found in LB7 engines. Designed as a direct replacement for the original GM LB7 injection...$68.99 -
FLEECE FPE-FL-LB7-36 HIGH PRESSURE INJECTION LINE (3 AND 6) FOR 01-04 GM 6.6L DURAMAX LB7
FLEECE PERFORMANCE
$68.99The Fleece FPE-FL-LB7-36 High Pressure Injection Line (3 and 6) for the 2001-2004 GM 6.6L Duramax LB7 is the solution to common issues with corroded and fragile original LB7 injection lines. Changing injectors can be a meticulous process, and faulty...$68.99 -
FLEECE FPE-FL-LB7-45 HIGH PRESSURE INJECTION LINE FOR 44930 FOR 01-04 GM 6.6L DURAMAX LB7
FLEECE PERFORMANCE
$68.99The FLEECE FPE-FL-LB7-45 High Pressure Injection Line is the ultimate solution for 2001-2004 GM 6.6L Duramax LB7 owners facing corrosion and breakage issues with their original injection lines. Designed as a direct replacement for GM Part#97188722, these...$68.99 -
FLEECE FPE-LML-QCDT DOSING INJECTOR FUEL LINE DISCONNECT TOOL FOR 11-16 GM DURAMAX 6.6L LML
FLEECE PERFORMANCE
$15.99The FLEECE FPE-LML-QCDT Dosing Injector Fuel Line Disconnect Tool is the ultimate solution for simplifying the installation and removal of dosing injector fuel lines on 2011-2016 GM Duramax 6.6L LML engines. Designed to fit seamlessly with precision,...$15.99 -
DTECH DT660042 INJECTOR LINE (CYLINDERS 4 & 5) 2006-2010 GM 6.6L DURAMAX LBZ/LMM
DTECH
$66.50The DTech DT660042 Injector Line is a vital component designed as a seamless replacement for the damaged injector line of Cylinders 4 and 5 in 2006-2010 GM 6.6L Duramax LBZ/LMM engines. With a reputation for offering a wide selection of top-quality...$66.50 -
DTECH DT660041 INJECTOR LINE (CYLINDERS 3 & 6) 2006-2010 GM 6.6L DURAMAX LBZ/LMM
DTECH
$66.50The DTech DT660041 Injector Line is the ultimate solution for addressing leaks in the injector line of Cylinders 3 or 6 in your 2006-2010 GM 6.6L Duramax LBZ/LMM. Engineered by DTech, a reputable brand recognized for its extensive range of products...$66.50 -
DTECH DT660040 INJECTOR LINE (CYLINDERS 1 & 8) 2006-2010 GM 6.6L DURAMAX LBZ/LMM
DTECH
$66.50Enhance the performance and reliability of your GM 6.6L Duramax LBZ/LMM engine with the DTECH DT660040 Injector Line kit. Designed to replace the injector fuel lines on cylinders 1 and 8, this kit ensures a seamless fit and superior functionality for...$66.50 -
DTECH DT660037 INJECTOR LINE (CYLINDERS 3 & 6) 2004.5-2005 GM 6.6L DURAMAX LLY
DTECH
$52.76The DTECH DT660037 Injector Line, designed for Cylinders 3 and 6 of 2004.5-2005 GM 6.6L Duramax LLY engines, is a superior diesel fuel component that ensures peak performance. Crafted by DTech®, this product exemplifies precision engineering and...$52.76 -
DTECH DT660036 INJECTOR LINE (CYLINDERS 1 & 8) 2004.5-2005 GM 6.6L DURAMAX LLY
DTECH
$52.76The DTECH DT660036 Injector Line is the ultimate solution for maintaining the fuel system of your beloved vehicle. Engineered specifically for the 2004.5-2005 GM 6.6L Duramax LLY models with cylinders 1 and 8, this product is a game-changer when it comes...$52.76 -
DTECH DT660030 INJECTOR LINE (CYLINDERS 1 & 8) 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$52.76The DTECH DT660030 Injector Line is the essential upgrade for your 2001-2004 GM 6.6L Duramax LB7. Designed specifically for cylinders 1 and 8, this diesel fuel injector line promises exceptional reliability and performance, ensuring your vehicle operates...$52.76 -
DTECH DT660031 INJECTOR LINE (CYLINDERS 2 & 7) 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$52.76Revitalize your diesel engine’s performance with the DTECH DT660031 Injector Line, specifically designed for cylinders 2 and 7 of the 2001-2004 GM 6.6L Duramax LB7. This premium fuel injector line is engineered with precision, adhering to stringent...$52.76 -
DTECH DT660032 INJECTOR LINE (CYLINDERS 3 & 6) 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$52.76The DTECH DT660032 Injector Line is a premium component designed specifically for the GM 6.6L Duramax LB7 engines manufactured between 2001 and 2004. This diesel fuel injector line is tailored for cylinders 3 and 6, making it an essential part for...$52.76 -
DTECH DT660033 INJECTOR LINE (CYLINDERS 4 & 5) 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$52.76The DTECH DT660033 Injector Line is a premium-quality fuel injector line specifically designed for use in GM 6.6L Duramax LB7 diesel engines from 2001 to 2004, focusing on cylinders 4 and 5. This exceptional product is crafted to meet rigorous industry...$52.76 -
DTECH DT660043 INJECTOR LINE (CYLINDERS 2 & 7) 2006-2010 GM 6.6L DURAMAX LBZ/LMM
DTECH
$66.50The DTech DT660043 Injector Line is the perfect solution for replacing a stripped-out Cylinder 2 or 7 injector line in your 2006-2010 GM 6.6L Duramax LBZ/LMM. This injection line is a testament to DTech's commitment to offering a wide range of...$66.50 -
DORMAN 904-129 FUEL INJECTION LINE (CYLINDERS 1 & 8) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$80.00The DORMAN 904-129 Fuel Injection Line (Cylinders 1 & 8) for 2001-2004 GM 6.6L Duramax LB7 is a top-of-the-line replacement part designed to meet the precise specifications of the original fuel injector line found in specific vehicles. Engineered as a...$80.00 -
DTECH DT660023 INJECTOR RETURN LINE KIT 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DTECH
$21.93The DTECH DT660023 Injector Return Line Kit is the perfect solution for maintaining the fuel system of your 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM model. This high-quality kit from DTech® is a reliable replacement for GM kits 97328733 and 98062291...$21.93 -
DTECH DT660020 FUEL RETURN LINE KIT 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$4.19The DTECH DT660020 Fuel Return Line Kit is the perfect solution for ensuring that your 2001-2004.5 GM 6.6L Duramax LB7 engine runs smoothly and efficiently. This Fuel Injection Return Line Gasket Kit includes injector banjo washers, providing a...$4.19 -
FLEECE FPE-34611 INJECTOR LINE SET FOR 01-04 GM DURAMAX 6.6L LB7
FLEECE PERFORMANCE
$379.05The Fleece FPE-34611 Injector Line Set is the ultimate solution for those dealing with corroded and broken injection lines in their 2001-2004 GM Duramax 6.6L LB7 engines. Made to combat contamination during injector changes, this set of 8 new lines is...$379.05