LLY Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

LLY Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

LLY Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

A common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fuel injectors will get you back on the road qui...

Ensure your turbocharger has a good oil supply line with with our replacement turbocharger oil feed line kit designed for use with a Cheetah or sto...

Our Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Part Number: 97378671 (MY 2006-2010) and 97...

Our 8 inch extension harness for the 2003-2018 Dodge RAM provides for additional routing clearance to a variety of sensors on the engine including ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Replacement high pressure fuel lines from Fleece Performance.  These are a direct replacement for your cracked, broken, or leaking injector lines....

Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. R...

Replacement high pressure fuel lines from Fleece Performance.  These are a direct replacement for your cracked, broken, or leaking injector lines....

Replacement high pressure fuel lines from Fleece Performance.  These are a direct replacement for your cracked, broken, or leaking injector lines....

2019-Present 5th Gen Dodge Ram with Cummins, Fuel Filter Delete. If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, yo...

Anodized billet aluminum with our custom spoke design. Includes integral O-ring. 2003-2018 Cummins CP3 Nut Cover

2001-2025 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast...

12 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

13inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

14 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

15 inch" High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

16 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

17 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

18 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

19 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

20 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

Ensure your turbocharger has a good oil supply line with with our replacement turbocharger oil feed line kit designed for use with a Cheetah or sto...

Replacement Turbo Oil Feed Line designed for use with a 1/4 inch NPT inlet turbochargers. The oil feed line is intended for use with S300 or S400 t...

2003-2007 Cummins Coolant Bypass Brackets (Set of two)

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

2013-2018 Cummins 2nd Gen 45 CAC Boot (2.75 inch ID 4 ply Aramid Polyester Reinforcement, 2.375 inch/3.875 inch Leg Lengths)

21 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

Turbo Compressor Discharge Adapter Kit Includes 90 degree Discharge Adapater, S400 Vband Compressor Outlet Clamp, O-ring for 90 degree Turbo Commp...

LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

LBZ/LMM Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

LBZ/LMM Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

Problem: The original equipment steering tie rods are prone to collapse under heavy load, making them highly sucsceptible when running larger diame...

34.5 inch Common Rail/VP44 Cummins Coolant Bypass Hose (Black Nylon Braided)

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

Take full control of your Cummins dual CP3's using your just your ECM. The CP3X2 harness allows you to control your Cummins dual pumps without an e...

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

22 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

23 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

24 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

Fleece Performance Custom Air Filter

Turn over your Cummins with ease with this Cummins Crankshaft Barring Tool. Features: Accepts 1/2 inch drive ratchet Designed to be used with fa...