L5P Duramax Engine Parts
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- Engine Covers (2)
- Engine Head Stud (1)
- Fittings (2)
- Flexplate Mounting Bolt (1)
- Hardware - Singles (1)
- Hardware Kits - Other (1)
- Harmonic Balancer Bolt (1)
- Head Stud & Bolt Kits (2)
- Headers & Manifolds (2)
- Heads (2)
- Heat Shields (1)
- MAP Sensor Spacer Kit (1)
- Oil Fill Tubes (2)
- Oil Filler Cap (1)
- Oil Line Kits (2)
- Oil Pans (1)
- Pushrods (1)
- Resonators (1)
- Rocker Arms (1)
- Sensors (2)
- Silicone Couplers & Hoses (2)
- Speedometer Calibrator (2)
- Starters (1)
- Thermostats (3)
- Throttle Controllers (8)
- Wiring Connectors (2)
- Wiring Harnesses (4)
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Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized
WehrliOriginal price $ 618.00Original price $ 618.00 - Original price $ 618.00Original price $ 618.00Current price $ 599.00$ 599.00 - $ 599.00Current price $ 599.00| /Wehrli Model WCF100473Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized This quick and easy to install, bil...
View full detailsOriginal price $ 618.00Original price $ 618.00 - Original price $ 618.00Original price $ 618.00Current price $ 599.00$ 599.00 - $ 599.00Current price $ 599.00| /Save 3% Save % -
S&B Filters 82-1000 Map Sensor Spacer Kit
S&BOriginal price $ 1,374.00 - Original price $ 1,374.00Original price$ 1,374.00$ 1,374.00 - $ 1,374.00Current price $ 1,374.00| /S&B Model 82-1000The S&B Filters 82-1000 MAP Sensor Spacer Kit will extend the life of the MAP sensor in your 2017-2020 GM 6.6L L5P Duramax...
View full detailsOriginal price $ 1,374.00 - Original price $ 1,374.00Original price$ 1,374.00$ 1,374.00 - $ 1,374.00Current price $ 1,374.00| / -
Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit
WehrliOriginal price $ 5,753.00Original price $ 5,753.00 - Original price $ 5,753.00Original price $ 5,753.00Current price $ 5,580.00$ 5,580.00 - $ 5,580.00Current price $ 5,580.00| /Wehrli Model WCF100459 The WCFab Splash Shield Kit for 2020-2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...
View full detailsOriginal price $ 5,753.00Original price $ 5,753.00 - Original price $ 5,753.00Original price $ 5,753.00Current price $ 5,580.00$ 5,580.00 - $ 5,580.00Current price $ 5,580.00| /Save 3% Save % -
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
WehrliOriginal price $ 42,976.00Original price $ 42,976.00 - Original price $ 42,976.00Original price $ 42,976.00Current price $ 41,686.00$ 41,686.00 - $ 41,686.00Current price $ 41,686.00| /Wehrli Model WCF100226 Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware Fully TIG Wel...
View full detailsOriginal price $ 42,976.00Original price $ 42,976.00 - Original price $ 42,976.00Original price $ 42,976.00Current price $ 41,686.00$ 41,686.00 - $ 41,686.00Current price $ 41,686.00| /Save 3% Save % -
Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized
WehrliOriginal price $ 1,016.00Original price $ 1,016.00 - Original price $ 1,016.00Original price $ 1,016.00Current price $ 985.00$ 985.00 - $ 985.00Current price $ 985.00| /Wehrli Model WCF100442Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized Clean up the engine bay of your 2001-202...
View full detailsOriginal price $ 1,016.00Original price $ 1,016.00 - Original price $ 1,016.00Original price $ 1,016.00Current price $ 985.00$ 985.00 - $ 985.00Current price $ 985.00| /Save 3% Save % -
Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit
WehrliOriginal price $ 6,251.00Original price $ 6,251.00 - Original price $ 6,251.00Original price $ 6,251.00Current price $ 6,063.00$ 6,063.00 - $ 6,063.00Current price $ 6,063.00| /Wehrli Model WCF100432 The WCFab Splash Shield Kit for 2011-2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...
View full detailsOriginal price $ 6,251.00Original price $ 6,251.00 - Original price $ 6,251.00Original price $ 6,251.00Current price $ 6,063.00$ 6,063.00 - $ 6,063.00Current price $ 6,063.00| /Save 3% Save % -
Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port
Fleece PerformanceOriginal price $ 1,236.00 - Original price $ 1,236.00Original price $ 1,236.00$ 1,374.00$ 1,374.00 - $ 1,374.00Current price $ 1,374.00| /Fleece Performance Model FPE-L5P-MAP-SPRAll new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Becaus...
View full detailsOriginal price $ 1,236.00 - Original price $ 1,236.00Original price $ 1,236.00$ 1,374.00$ 1,374.00 - $ 1,374.00Current price $ 1,374.00| / -
Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set
MishimotoOriginal price $ 1,991.00Original price $ 1,991.00 - Original price $ 1,991.00Original price $ 1,991.00Current price $ 1,811.00$ 1,811.00 - $ 1,811.00Current price $ 1,811.00| /Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...
View full detailsOriginal price $ 1,991.00Original price $ 1,991.00 - Original price $ 1,991.00Original price $ 1,991.00Current price $ 1,811.00$ 1,811.00 - $ 1,811.00Current price $ 1,811.00| /Save 9% Save % -
Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set
MishimotoOriginal price $ 1,951.00Original price $ 1,951.00 - Original price $ 1,951.00Original price $ 1,951.00Current price $ 1,771.00$ 1,771.00 - $ 1,771.00Current price $ 1,771.00| /Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...
View full detailsOriginal price $ 1,951.00Original price $ 1,951.00 - Original price $ 1,951.00Original price $ 1,951.00Current price $ 1,771.00$ 1,771.00 - $ 1,771.00Current price $ 1,771.00| /Save 9% Save % -
Fleece Performance 24-25 GM 2500/3500 Duramax L5P Secondary MAP Sensor Spacer
Fleece PerformanceOriginal price $ 1,374.00 - Original price $ 1,374.00Original price$ 1,374.00$ 1,374.00 - $ 1,374.00Current price $ 1,374.00| /Fleece Performance Model FPE-L5P-MAP-SPR-24Fleece Performance 24-25 GM 2500/3500 Duramax L5P Secondary MAP Sensor Spacer All new Fleece Performance...
View full detailsOriginal price $ 1,374.00 - Original price $ 1,374.00Original price$ 1,374.00$ 1,374.00 - $ 1,374.00Current price $ 1,374.00| / -
BD Diesel 17-19 Chevrolet/GM Allison Cooler Bypass Delete
BD DieselOriginal price $ 1,737.00 - Original price $ 1,737.00Original price $ 1,737.00$ 1,791.00$ 1,791.00 - $ 1,791.00Current price $ 1,791.00| /BD Diesel Model 1061532Debris in the stock cooler bypass valve can cause it to jam the internal valve, keeping it in recirculation mode. When this ...
View full detailsOriginal price $ 1,737.00 - Original price $ 1,737.00Original price $ 1,737.00$ 1,791.00$ 1,791.00 - $ 1,791.00Current price $ 1,791.00| / -
XDP Flex Plate Bolt Kit XD656
XDPOriginal price $ 1,393.00 - Original price $ 1,393.00Original price$ 1,393.00$ 1,393.00 - $ 1,393.00Current price $ 1,393.00| /XDP Model XD656 XDP Flex Plate Bolt Kit XD656
Original price $ 1,393.00 - Original price $ 1,393.00Original price$ 1,393.00$ 1,393.00 - $ 1,393.00Current price $ 1,393.00| / -
XDP Harmonic Balancer Bolt XD628
XDPOriginal price $ 418.00 - Original price $ 418.00Original price$ 418.00$ 418.00 - $ 418.00Current price $ 418.00| /XDP Model XD628
Original price $ 418.00 - Original price $ 418.00Original price$ 418.00$ 418.00 - $ 418.00Current price $ 418.00| / -
Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side)
Fleece PerformanceOriginal price $ 21,876.00 - Original price $ 21,876.00Original price$ 21,876.00$ 21,876.00 - $ 21,876.00Current price $ 21,876.00| /Fleece Performance Model FPE-61-10014-PFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side) Each cylinder head is ma...
View full detailsOriginal price $ 21,876.00 - Original price $ 21,876.00Original price$ 21,876.00$ 21,876.00 - $ 21,876.00Current price $ 21,876.00| / -
Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side)
Fleece PerformanceOriginal price $ 21,876.00 - Original price $ 21,876.00Original price$ 21,876.00$ 21,876.00 - $ 21,876.00Current price $ 21,876.00| /Fleece Performance Model FPE-61-10014-DFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side) Each cylinder head is manuf...
View full detailsOriginal price $ 21,876.00 - Original price $ 21,876.00Original price$ 21,876.00$ 21,876.00 - $ 21,876.00Current price $ 21,876.00| / -
Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)
Fleece PerformanceOriginal price $ 2,508.00 - Original price $ 2,508.00Original price $ 2,508.00$ 2,787.00$ 2,787.00 - $ 2,787.00Current price $ 2,787.00| /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...
View full detailsOriginal price $ 2,508.00 - Original price $ 2,508.00Original price $ 2,508.00$ 2,787.00$ 2,787.00 - $ 2,787.00Current price $ 2,787.00| / -
Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD
Rough CountryOriginal price $ 5,175.00 - Original price $ 5,175.00Original price$ 5,175.00$ 5,175.00 - $ 5,175.00Current price $ 5,175.00| /Put the finishing touch on your lifted vehicle with Rough Country's Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps y...
View full detailsOriginal price $ 5,175.00 - Original price $ 5,175.00Original price$ 5,175.00$ 5,175.00 - $ 5,175.00Current price $ 5,175.00| / -
Speedometer Calibrator | Inline | Chevy/GMC 2500HD/3500HD (17-19)
Rough CountryOriginal price $ 3,383.00 - Original price $ 3,383.00Original price$ 3,383.00$ 3,383.00 - $ 3,383.00Current price $ 3,383.00| /Put the finishing touch on your lifted vehicle with Rough Country's Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps y...
View full detailsOriginal price $ 3,383.00 - Original price $ 3,383.00Original price$ 3,383.00$ 3,383.00 - $ 3,383.00Current price $ 3,383.00| / -
Fleece Performance 01-19 GM 2500/3500 34V Duramax Billet Rocker Arm Bridges
Fleece PerformanceOriginal price $ 9,183.00 - Original price $ 9,183.00Original price $ 9,183.00$ 10,203.00$ 10,203.00 - $ 10,203.00Current price $ 10,203.00| /Fleece 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 $ 9,183.00 - Original price $ 9,183.00Original price $ 9,183.00$ 10,203.00$ 10,203.00 - $ 10,203.00Current price $ 10,203.00| / -
Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized
WehrliOriginal price $ 1,016.00Original price $ 1,016.00 - Original price $ 1,016.00Original price $ 1,016.00Current price $ 985.00$ 985.00 - $ 985.00Current price $ 985.00| /Wehrli 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 $ 1,016.00Original price $ 1,016.00 - Original price $ 1,016.00Original price $ 1,016.00Current price $ 985.00$ 985.00 - $ 985.00Current price $ 985.00| /Save 3% Save % -
Wehrli 20-24 L5P Duramax WCFAB X PPE High Capacity Oil Pan
WehrliOriginal price $ 10,132.00Original price $ 10,132.00 - Original price $ 10,132.00Original price $ 10,132.00Current price $ 9,828.00$ 9,828.00 - $ 9,828.00Current price $ 9,828.00| /Wehrli Model WCF100134 WCFab X PPE's 2020-2025 L5P Duramax High-Capacity Cast Aluminum Engine Oil Pan replaces the poorly draining stock oil pan wi...
View full detailsOriginal price $ 10,132.00Original price $ 10,132.00 - Original price $ 10,132.00Original price $ 10,132.00Current price $ 9,828.00$ 9,828.00 - $ 9,828.00Current price $ 9,828.00| /Save 3% Save % -
Bully Dog 08-20 Chevrolet Silverado 6.6L Thruster Throttle Booster (CARB Exempt Version)
Bully DogOriginal price $ 2,688.00 - Original price $ 2,688.00Original price$ 2,688.00$ 2,688.00 - $ 2,688.00Current price $ 2,688.00| /When your vehicle's throttle isn't what you need, it's time for a boost with the Bully Dog Thruster. This device is easy to install inline between ...
View full detailsOriginal price $ 2,688.00 - Original price $ 2,688.00Original price$ 2,688.00$ 2,688.00 - $ 2,688.00Current price $ 2,688.00| / -
Bully Dog 17-19 Chevrolet Silverado 2500 / 08-19 Chevrolet Silverado 3500 Thruster Throttle Booster
Bully DogOriginal price $ 2,688.00 - Original price $ 2,688.00Original price$ 2,688.00$ 2,688.00 - $ 2,688.00Current price $ 2,688.00| /When your vehicle's throttle isn't what you need, it's time for a boost with the Bully Dog Thruster. This device is easy to install inline between ...
View full detailsOriginal price $ 2,688.00 - Original price $ 2,688.00Original price$ 2,688.00$ 2,688.00 - $ 2,688.00Current price $ 2,688.00| / -
BD Diesel Throttle Sensitivity Booster - Chevy / GMC
BD DieselOriginal price $ 5,599.00 - Original price $ 5,599.00Original price $ 5,599.00$ 5,772.00$ 5,772.00 - $ 5,772.00Current price $ 5,772.00| /Say goodbye to that dead, laggy throttle pedal felling and enjoy quicker engine response and acceleration with the BD Power TS Booster. The TS Boos...
View full detailsOriginal price $ 5,599.00 - Original price $ 5,599.00Original price $ 5,599.00$ 5,772.00$ 5,772.00 - $ 5,772.00Current price $ 5,772.00| /