LLY Duramax Engine Parts

Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6.6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. From ...

Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal bearing, which can be restrictive, or even re...

The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer XD171 is an easy way to upgrade the fuel filter on your 2001-2016 GM 6....

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line Replacement Transmission Cooler Line (medium ...

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line Replacement Transmission Cooler Line (longest l...

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line Replacement Transmission Cooler Line (short line...

Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pi...

Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strength improvement over factory bridges. ...

Exergy Model 1-018-153-AExergy Rail Fitting for HP Line into 6.7L/LLY/LBZ/LMM PRV Location

Exergy 6.7/LLY/LBZ/LMM PRV Port to Female M18x1.5

Exergy 6.7/LLY/LBZ/LMM PRV Plug w/ O-ring (For Diagnostic Purposes Only)

Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufacturing proce...