LLY Duramax Engine Parts
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Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,559.00$ 2,559.00 - $ 2,559.00Current price $ 2,559.00Fleece Performance Model FPE-HAR-GM-LCT-SEAL-7PGet rid of oil leaks from the harness connector with our replacement internal wiring harness seal fo...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,559.00$ 2,559.00 - $ 2,559.00Current price $ 2,559.00 -
Wehrli 2001-2007 Duramax LB7/LLY/LBZ Allison 4x4 Transfer Case Brace - WCFab Red
WehrliOriginal price $ 3,730.00Original price $ 3,730.00 - Original price $ 3,730.00Original price $ 3,730.00Current price $ 3,724.00$ 3,724.00 - $ 3,724.00Current price $ 3,724.00Wehrli Model WCF1001302001-2007 LB7/LLY/LBZ Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax ...
View full detailsOriginal price $ 3,730.00Original price $ 3,730.00 - Original price $ 3,730.00Original price $ 3,730.00Current price $ 3,724.00$ 3,724.00 - $ 3,724.00Current price $ 3,724.00Save 0% -
Fleece Performance 01-19 GM 2500/3500 34V Duramax Billet Rocker Arm Bridges
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 9,370.00$ 9,370.00 - $ 9,370.00Current price $ 9,370.00Fleece Performance Model FPE-BRAB-D1Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strengt...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 9,370.00$ 9,370.00 - $ 9,370.00Current price $ 9,370.00 -
Exergy Rail Fitting for HP Line into PRV Location LLY/LBZ/LMM & Cummins 6.7L
ExergyOriginal price $ 1,408.00 - Original price $ 1,408.00Original price$ 1,408.00$ 1,408.00 - $ 1,408.00Current price $ 1,408.00Exergy Model 1-018-153-AExergy Rail Fitting for HP Line into PRV Location For Cummins 6.7L & LLY/LBZ/LMM
Original price $ 1,408.00 - Original price $ 1,408.00Original price$ 1,408.00$ 1,408.00 - $ 1,408.00Current price $ 1,408.00 -
Exergy Port to Female M18x1.5 Cummins 6.7 / Duramax LLY/LBZ/LMM
ExergyOriginal price $ 2,121.00 - Original price $ 2,121.00Original price$ 2,121.00$ 2,121.00 - $ 2,121.00Current price $ 2,121.00Exergy Model 1-018-167 Cummins 6.7 / Duramax LLY/LBZ/LMM Port to Female M18x1.5 - 1-018-167
Original price $ 2,121.00 - Original price $ 2,121.00Original price$ 2,121.00$ 2,121.00 - $ 2,121.00Current price $ 2,121.00 -
Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)
ExergyOriginal price $ 1,170.00 - Original price $ 1,170.00Original price$ 1,170.00$ 1,170.00 - $ 1,170.00Current price $ 1,170.00Exergy Model 1-018-172 Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)
Original price $ 1,170.00 - Original price $ 1,170.00Original price$ 1,170.00$ 1,170.00 - $ 1,170.00Current price $ 1,170.00 -
Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 3,635.00$ 3,635.00 - $ 3,635.00Current price $ 3,635.00Wehrli Model WCF100378Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit -Stainless Braided #8 Drain Line 30"-Stainless Braided #...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 3,635.00$ 3,635.00 - $ 3,635.00Current price $ 3,635.00 -
Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 940.00$ 940.00 - $ 940.00Current price $ 940.00Wehrli Model WCF100443Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized -CNC Machined Billet Aluminum GM factory...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 940.00$ 940.00 - $ 940.00Current price $ 940.00 -
Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,838.00$ 2,838.00 - $ 2,838.00Current price $ 2,838.00Wehrli Model WCF100733Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket - VGT turbo heat blanket for 2004.5-20...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,838.00$ 2,838.00 - $ 2,838.00Current price $ 2,838.00 -
Wehrli 04.5-10 Duramax LLY/LBZ/LMM Billet Upper Valve Cover Set
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 6,650.00$ 6,650.00 - $ 6,650.00Current price $ 6,650.00Wehrli Model WCF100415 WCFab Billet Aluminum Upper Valve Cover sets fit LLY, LBZ, and LMM Duramax and are a great way to clean up your engine's app...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 6,650.00$ 6,650.00 - $ 6,650.00Current price $ 6,650.00 -
Wehrli 01-10 Chevrolet 6.6L Duramax Valley CP3 Block Off Plate
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,330.00$ 1,330.00 - $ 1,330.00Current price $ 1,330.00Wehrli Model WCF100024Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo.
Original price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,330.00$ 1,330.00 - $ 1,330.00Current price $ 1,330.00 -
Fleece Performance GM Silverado/Sierra 2500/3500 6.6L LLY Duramax Vane Position Sensor Pigtail
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 530.00$ 530.00 - $ 530.00Current price $ 530.00Fleece Performance Model FPE-HAR-DMAX-VPS-0405Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sens...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 530.00$ 530.00 - $ 530.00Current price $ 530.00 -
Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 732.00$ 732.00 - $ 732.00Current price $ 732.00Fleece 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...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 732.00$ 732.00 - $ 732.00Current price $ 732.00 -
Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Blue
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 732.00$ 732.00 - $ 732.00Current price $ 732.00Fleece 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...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 732.00$ 732.00 - $ 732.00Current price $ 732.00 -
Fleece Performance 01-13 GM Duramax 6.6L 1.5in T4 Pedestal Spacer
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,189.00$ 2,189.00 - $ 2,189.00Current price $ 2,189.00Fleece Performance Model FPE-T4PED-SPACER1.5This black 1.5in T4 Pedestal Spacer is designed for use with T4 Turbos installed on Duramax engines whe...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,189.00$ 2,189.00 - $ 2,189.00Current price $ 2,189.00 -
Fleece Performance 01-07 GM Duramax/11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,810.00$ 1,810.00 - $ 1,810.00Current price $ 1,810.00Fleece Performance Model FPE-DMAX-OCADPTProblem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over tim...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,810.00$ 1,810.00 - $ 1,810.00Current price $ 1,810.00 -
Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY)
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 512.00$ 512.00 - $ 512.00Current price $ 512.00Fleece Performance Model FPE-HAR-DMAX-MAP-0107Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine including MAP, BARO, cam...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 512.00$ 512.00 - $ 512.00Current price $ 512.00 -
Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines
Fleece PerformanceOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 5,301.00$ 5,301.00 - $ 5,301.00Current price $ 5,301.00Fleece Performance Model FPE-TL-LB7-LLY Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 5,301.00$ 5,301.00 - $ 5,301.00Current price $ 5,301.00 -
Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) - Set of 8
ExergyOriginal price $ 1,097.00 - Original price $ 1,097.00Original price$ 1,097.00$ 1,097.00 - $ 1,097.00Current price $ 1,097.00Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) (Set of 8)
Original price $ 1,097.00 - Original price $ 1,097.00Original price$ 1,097.00$ 1,097.00 - $ 1,097.00Current price $ 1,097.00 -
ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel
ARPOriginal price $ 3,402.00 - Original price $ 3,402.00Original price$ 3,402.00$ 3,402.00 - $ 3,402.00Current price $ 3,402.00ARP Model 400-7534ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel
Original price $ 3,402.00 - Original price $ 3,402.00Original price$ 3,402.00$ 3,402.00 - $ 3,402.00Current price $ 3,402.00 -
ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit
ARPOriginal price $ 3,815.00 - Original price $ 3,815.00Original price$ 3,815.00$ 3,815.00 - $ 3,815.00Current price $ 3,815.00ARP Model 400-7533ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit
Original price $ 3,815.00 - Original price $ 3,815.00Original price$ 3,815.00$ 3,815.00 - $ 3,815.00Current price $ 3,815.00 -
ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit
ARPOriginal price $ 2,709.00 - Original price $ 2,709.00Original price$ 2,709.00$ 2,709.00 - $ 2,709.00Current price $ 2,709.00ARP Model 100-7533ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit
Original price $ 2,709.00 - Original price $ 2,709.00Original price$ 2,709.00$ 2,709.00 - $ 2,709.00Current price $ 2,709.00 -
Mishimoto Aluminum Intercooler Pipe & Boot Kit 2002*-2004 LB7 - NOT 2001 MODEL
MishimotoOriginal price $ 10,255.00Original price $ 10,255.00 - Original price $ 10,255.00Original price $ 10,255.00Current price $ 9,322.00$ 9,322.00 - $ 9,322.00Current price $ 9,322.00The Mishimoto 6.6L Duramax intercooler pipe and boot kit is an ideal upgrade in reliability and performance.The Mishimoto kit features polished al...
View full detailsOriginal price $ 10,255.00Original price $ 10,255.00 - Original price $ 10,255.00Original price $ 10,255.00Current price $ 9,322.00$ 9,322.00 - $ 9,322.00Current price $ 9,322.00Save 9% -
BD Diesel Throttle Sensitivity Booster - Chevy 2001-2005 6.6L Duramax LB7
BD DieselOriginal price $ 5,142.00 - Original price $ 5,142.00Original price $ 5,142.00$ 5,301.00$ 5,301.00 - $ 5,301.00Current price $ 5,301.00By reducing pedal lag, the Throttle Sensitivity Booster forces your performance curve to occur sooner, achieving quicker engine response and a...
View full detailsOriginal price $ 5,142.00 - Original price $ 5,142.00Original price $ 5,142.00$ 5,301.00$ 5,301.00 - $ 5,301.00Current price $ 5,301.00
