Product Description
Fix rail pressure issues on your LMM the right way with the Exergy E06 10450 New Stock Replacement Fuel Rail (Left/Driver Side). Precision-built by Exergy Performance for OE fit and function, this left-side rail restores proper high-pressure fuel delivery on 2007.5–2010 GM Duramax 6.6L LMM trucks.
Key Benefits
- Direct-fit replacement for the left (driver-side) rail on LMM Duramax
- OE-style performance and durability from Exergy Performance
- Compatible with factory lines, brackets, and injector hard lines
- Ideal when repairing leakage, cracked rails, or unstable rail pressure
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LMM
- Years: 2007.5, 2008, 2009, 2010
- Position: Left / Driver Side Fuel Rail
What’s Included
- Exergy E06 10450 New Stock Replacement Fuel Rail – Left
- Pre-threaded ports for rail sensor/relief valve (reuse or replace as needed)
- Basic install guidance
Recommended Supporting Parts
For a clean, long-lasting repair, pair this rail with quality filtration and Exergy-brand components:
- Lift Pumps (AirDog / FASS) – stabilizes supply pressure and improves filtration
- Exergy LMM Injector Sets – choose Exergy-brand injectors to match your goals
- Gaskets & Seals – replace crush washers/seals disturbed during service
- Shop All Exergy Performance
Install Notes
- Professional installation recommended. Always depressurize the high-pressure system and work clean.
- Inspect/replace the rail pressure sensor and relief valve if damaged or contaminated.
- Prime and bleed the fuel system thoroughly after installation to prevent hard starts.
Frequently Asked Questions
Q: Is this the driver-side rail for LMM?
A: Yes, this part is the left/driver-side fuel rail specifically for 2007.5–2010 LMM trucks.
Q: Do I need to replace both rails at the same time?
A: Not required, but if the opposite rail shows damage or contamination, replacing both can help long-term reliability.
Q: Which injectors pair best with this rail?
A: We recommend Exergy-brand LMM injectors to maintain consistent, calibrated fueling. See our Exergy LMM injector options.
Q: Will I need tuning?
A: No tuning is required when replacing a stock rail. If other fueling or turbo changes have been made, tuning may optimize results.
Q: Warranty?
A: Covered under Exergy’s manufacturer warranty. Keep proof of purchase and follow correct installation and filtration practices.
About Exergy Performance
Exergy is known for precision diesel fuel system components engineered for durability and consistency. Explore our full selection here: Exergy Performance at CPP Diesel.
