LLY Duramax Engine Parts

Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...

Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

Fleece Performance Model FPE-TL-LB7-LMM-LONG-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...

Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...

Fleece Performance Model FPE-HAR-GM-LCT-SEAL-7PGet rid of oil leaks from the harness connector with our replacement internal wiring harness seal fo...

Fleece Performance Model FPE-BRAB-D1Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strengt...

Fleece Performance Model FPE-HAR-DMAX-VPS-0405Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sens...

Fleece Performance Model FPE-DTFL-0116Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line...

Fleece Performance Model FPE-DMAX-OC-REDDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

Fleece Performance Model FPE-DMAX-OC-BLUDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

Fleece Performance Model FPE-DMAX-OC-BLKDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

Fleece Performance Model FPE-T4PED-SPACER1.5This black 1.5in T4 Pedestal Spacer is designed for use with T4 Turbos installed on Duramax engines whe...

Fleece Performance Model FPE-DMAX-OCADPTProblem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over tim...

Fleece Performance Model FPE-HAR-DMAX-MAP-0107Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine including MAP, BARO, cam...

Fleece Performance Model FPE-TL-LB7-LLY Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...

Fleece Performance Model FPE-TURBO-THERMThe Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed...

Fleece Performance Model FPE-LB7-IAH-DELETEThe Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your ...

Fleece Performance Model FPE-HAR-DMAX-VPS-ADPTOur Fleece Performance adapter harness allows the 2004.5-2005 LLY Duramax to run the updated turbo va...

Fleece Performance Model FPE-61-10002-PIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

Fleece Performance Model FPE-61-10002-DIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...