ENGINE PARTS
ENGINE PARTS — 03–07 DODGE RAM 5.9L CUMMINS
Keep your 2003–2007 Dodge Ram 2500/3500 5.9L 24V Cummins running strong with precision-fit engine components from CPP Diesel. From complete rebuild kits to wear items like bearings, gaskets, pumps, and valve train parts, we stock proven brands and OE-quality replacements that restore reliability and unlock performance.
Rebuild Kits Pistons / Rings Rod & Main Bearings Harmonic Damper Gaskets / Seals Studs / Bolts Exhaust Manifolds Valve Springs / Retainers Valve Covers Oil Pumps Oil Pans Oil Cooler Oil Pickup Tubes Water Pumps Thermostat Timing Gear Case Vacuum Pump / Related Dipsticks Sensors Starters Alignment Dowels
Why shop engine parts at CPP Diesel?
- 03–07 Focused Fitment: All parts curated for the 5.9L Common Rail Cummins platform (2003–2007).
- OE & Performance: Mix of Cummins OEM and top aftermarket brands for stock refreshes or power builds.
- Tech-backed selection: Components we trust for longevity, towing, daily driving, and track use.
Popular picks & fast links
- MAHLE MS-2328H Main Bearing Set (STD) — proven H-Series for performance builds.
- Genuine Cummins 4955853 Main Bearing Set — OEM reliability for long service life.
FAQ — 03–07 5.9L Cummins Engine Parts
Q: Do 5.9L CR (2003–2007) bearings interchange with 6.7L in some kits?
A: Many bearing part families cover 5.9L/6.7L with size options (STD/undersize). Always match your crank specs and journal size listed on the product page.
Q: What’s the best first step for high-mileage engines with low oil pressure?
A: Inspect clearances and refresh rod/main bearings and the oil pump; consider a rebuild kit if wear is pervasive.
Q: Planning towing and light performance—what valve train parts help?
A: Quality valve springs/retainers and fresh seals/gaskets, paired with head studs, improve control and sealing under increased cylinder pressure.
Q: Do I need a harmonic damper upgrade on a stock truck?
A: A healthy damper protects the crank at any power level; replace if aged or cracked. Performance dampers further reduce torsional vibration.
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ALIGNMENT DOWELS
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ALTERNATORS
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BARRING TOOLS
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BELT TENSIONERS
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BLOCK HEATERS
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BREATHERS / CATCH CANS
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CAMSHAFTS
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CRANKSHAFTS
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CRATE ENGINES
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CYLINDER HEADS
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DIPSTICKS
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ENGINE DRESS UP
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EXHAUST MANIFOLDS
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FREEZE PLUGS
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GASKETS / SEALS
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GIRDLES AND BLOCK STIFFENERS
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HARMONIC DAMPERS
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MAIN BEARINGS
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OIL COOLER
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OIL PICKUP TUBES
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OIL FILTERS
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OIL PANS
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OIL PUMPS
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OIL SQUIRTERS
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PISTONS / RINGS
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PUSHRODS
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REBUILD KITS
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RODS
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ROD BEARINGS
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ROCKER ARMS
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SENSORS
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STARTERS
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STUDS / BOLTS
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TAPPETS
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THERMOSTAT
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TIMING GEAR CASE
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VACUUM PUMP / RELATED
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VALVES
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VALVE COVERS
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VALVE SPRINGS / RETAINERS
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WATER PUMPS
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ARP 912-0008 THREAD CLEANING CHASER-M12X1.75
ARP
$52.99The ARP 912-0008 Thread Cleaning Chaser M12X1.75 is a high-quality specialty tool designed to effectively clean and restore damaged or dirty threads on M12x1.75 bolts. Crafted by ARP, a trusted name in automotive and racing industries, this thread...$52.99 -
SCHEID DIESEL 1054035670 CUMMINS BILLET GEAR HOUSING P-PUMP COMMON RAIL 2003-2018 DODGE CUMMINS 5.9L/6.7L
SCHEID DIESEL
$1,702.50Enhance the performance of your Dodge Cummins 5.9L or 6.7L engine with the SCHEID DIESEL 1054035670 Cummins Billet Gear Housing. Specifically designed for pulling applications, this billet aluminum gear housing is a game-changer in the world of diesel...$1,702.50 -
CUMMINS 4036054 | GENUINE AIR CONTROL VALVE | FITS 2004.5-2007 DODGE RAM 5.9L CUMMINS
CUMMINS
$1,270.77Cummins 4036054 GENUINE AIR CONTROL VALVE | OEM Replacement for Dodge Ram 5.9L & 6.7L Cummins (2004-2007) Genuine Cummins Part #4036054 The Cummins 4036054 GENUINE AIR CONTROL VALVE is a factory OEM replacement part designed for Dodge Ram Cummins trucks...$1,270.77 -
ARP 247-6303 ROD BOLT KIT FOR 1989-2018 5.9/6.7 CUMMINS ENGINE
ARP
$174.99Enhance the durability and performance of your 1989-2018 Dodge 5.9L and 6.7L Cummins engine with the ARP 247-6303 Rod Bolt Kit. Specifically designed to provide added strength to your truck's rotating assembly, this high-quality kit offers a superior...$174.99 -
ARP 247-5401 MAIN STUD KIT WITHOUT FACTORY BLOCK STIFFENER FOR 1997.5-2024 5.9/6.7 CUMMINS ENGINE
ARP
$254.00Experience unmatched reliability and durability with the ARP 247-5401 Main Stud Kit designed specifically for 1997.5 to 2024 Cummins 5.9L/6.7L 12V/24V engines without a factory block stiffener. Made by ARP, a trusted name in high-performance fasteners,...$254.00 -
ARP 147-2802 FLYWHEEL BOLT KIT FOR 1989-2004 5.9 CUMMINS ENGINE
ARP
$72.99The ARP 147-2802 Flywheel Bolt Kit is a high-quality, precision-engineered product designed specifically for use with 1989-2004 Dodge Cummins 5.9L engines. This bolt kit is crafted by ARP, a trusted name in the automotive industry known for their...$72.99 -
ARP 147-2502 HARMONIC BALANCER BOLT KIT FOR 1989-2007 5.9 CUMMINS ENGINE
ARP
$52.99ARP 147-2502 BALANCER BOLT KIT 89-07 CUMMINS 5.9LThe ARP 147-2502 Balancer Bolt Kit for 1989-2007 Cummins 5.9L engines is a high-quality and essential component for engine maintenance and repair. This bolt kit ensures secure fastening of the harmonic...$52.99 -
ARP 100-9911 ULTRA TORQUE ASSEMBLY 20 oz
ARP
$32.99The ARP 100-9911 Ultra Torque Assembly 20 oz. is an essential tool designed for high-performance automotive applications. Crafted with precision engineering and advanced materials, this torque assembly ensures optimal performance and durability in...$32.99 -
ARP 100-9910 ULTRA TORQUE ASSEMBLY LUBRICANT 10oz
ARP
$23.99ARP 100-9910 ULTRA TORQUE ASSEMBLY LUBRICANT 10oz is a high-performance assembly lubricant designed to provide exceptional lubrication for critical engine components. Whether you're assembling an engine, transmission, or other precision mechanical parts,...$23.99 -
ARP 100-9909 ULTRA TORQUE ASSEMBLY LUBRICANT
ARP
$11.99ARP 100-9909 ULTRA TORQUE ASSEMBLY LUBRICANT is a premium-quality lubricant designed to exceed industry standards in providing optimal torque and performance for mechanical assemblies. Engineered by ARP, a renowned name in high-performance automotive...$11.99 -
ARP 247-4202 HEAD STUD KIT FOR 1998.5-2024 5.9/6.7 CUMMINS ENGINE
ARP
$499.99Elevate the performance of your Cummins engine with the ARP 247-4202 Head Stud Kit designed for aggressive builds from 1998.5 to 2024. Providing a complete solution to the head stud woes commonly faced by Cummins engines, this ARP Pro Series Head Stud...$499.99 -
CPP 3970085 ACCELERATOR PEDAL POSITION SENSOR (APPS) FOR 98.5-03 CUMMINS 5.9L 24V
CPP DIESEL
$149.00Enhance the performance of your 1998.5-2003 Dodge Cummins 5.9L 24V engine with the CPP Diesel 3970085 Accelerator Position Sensor (APPS). Designed specifically for the mentioned Dodge Cummins models, this APPS sensor serves as a crucial component in...$149.00 -
CUMMINS 5292742 | GENUINE 180 DEGREE THERMOSTAT | FITS 1998.5-2007 DODGE RAM 5.9L CUMMINS
CUMMINS
$69.37Cummins 5292742 GENUINE 180 DEGREE THERMOSTAT | OEM Replacement for Dodge Ram 5.9L & 6.7L Cummins (1998-2007) Genuine Cummins Part #5292742 The Cummins 5292742 GENUINE 180 DEGREE THERMOSTAT is a factory OEM replacement part designed for Dodge Ram...$69.37 -
CPP DIESEL PREMIUM OEM REMAN CYLINDER HEAD FOR 2003-2007 CUMMINS 5.9L ENGINE
CPP DIESEL
$1,950.00Elevate the performance of your 2003-2007 Cummins 5.9L 24V engine with the CPP Diesel Remanufactured 5.9L 24V Cummins Cylinder Head. This meticulously crafted cylinder head is designed to deliver unrivaled durability and reliability, ensuring optimum...$1,950.00 -
HAMILTON CAMS 07-S-003 103# VALVE SPRINGS FOR 98.5-24 CUMMINS 5.9L/6.7L 24V
HAMILTON CAMS
$349.00Stock 24v springs have 78-82lbs of seat pressure at 1.380″. If you are over 35psi(boost or drive pressure), stock springs do not fully control the valvetrain. Intake and exhaust valves can be blown open by boost and exhaust drive pressure...$349.00 -
CUMMINS 5473238 | GENUINE WATER PUMP OEM | FITS 1989-2012 DODGE RAM 5.9L CUMMINS
CUMMINS
$347.64Cummins 5473238 GENUINE WATER PUMP OEM | OEM Replacement for Dodge Ram 5.9L & 6.7L Cummins (1989-2024) Genuine Cummins Part #5473238 The Cummins 5473238 GENUINE WATER PUMP OEM is a factory OEM replacement part designed for Dodge Ram Cummins trucks...$347.64 -
MAHLE GS33493 CYLINDER HEAD BOLT SET FOR 98.5-18 CUMMINS 5.9/6.7
MAHLE
$156.41The MAHLE GS33493 is a cylinder head bolt set designed for specific 5.9L and 6.7L Cummins engines, including those found in Dodge Ram trucks. These bolts are considered an OE (Original Equipment) replacement, meaning they are designed to meet the...$156.41 -
MAHLE SH-1981 CAMSHAFT BUSHING FOR 98.5-18 CUMMINS 5.9/6.7
MAHLE
$9.97The MAHLE SH-1981 is a camshaft bearing set designed for Dodge Cummins 5.9L and 6.7L engines, specifically those manufactured between 1998.5 and 2018. It's a high-quality OE replacement bearing, pre-finished for the correct clearance upon installation...$9.97 -
CUMMINS 3959031 | GENUINE VALVE COVER GASKET OEM | FITS 2003-2007 DODGE RAM 5.9L CUMMINS
CUMMINS
$493.50Cummins 3959031 VALVE COVER GASKET OEM | OEM Replacement for Dodge Ram 5.9L & 6.7L Cummins (2003-2007) Genuine Cummins Part #3959031 The Cummins 3959031 VALVE COVER GASKET OEM is a factory OEM replacement part designed for Dodge Ram Cummins trucks. Built...$493.50 -
CUMMINS 3947759 | GENUINE VALVE TAPPET DIRECT-FIT OEM | FITS 2003-2018 DODGE RAM 5.9L/6.7L CUMMINS
CUMMINS
$29.76Cummins 3947759 VALVE TAPPET DIRECT-FIT OEM | OEM Replacement for Dodge Ram 5.9L & 6.7L Cummins (2003-2018) Genuine Cummins Part #3947759 The Cummins 3947759 VALVE TAPPET DIRECT-FIT OEM is a factory OEM replacement part designed for Dodge Ram Cummins...$29.76