Fuel Rail Plug 6.7L, LLY, LBZ, LMMFuel Rail Plug 6. 7L, LLY, LBZ, LMM Fits: 2007. 5 2018 6. 7 Cummins, 2004. 5 2010 6. 6 Duramax Item Type: Industrial Injection Fuel Rail Plug Brand: Industrial Injection Part Number: 631601 FEATURES: Machined from 304 Stainless 1 Year Warranty Pressure relief valves in the factory fuel system were designed to drop rail pressure if pressure ever exceeded a preset point. Over time, the spring in the relief valve can get worn out due to continuous

BorgWarner 1163980005 Turbo

New & Improved Design

- Utilizes Factory Hardware

Supports up to 1

Sim tested short block

SEMA Certified Emissions Compliant

High-Pressure Oil Rail Seal Kit

7L Cummins with the Industrial Injection CP3 Bag of Parts

9/16" ARP Head Studs

Standard turbine inlet and outlet connections

Part Number: 4G6103

Industrial Injection Reman Stock 2004