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L5P Duramax Engine Parts

  • S&B Filters 82-1000 Map Sensor Spacer Kit

    S&B
    Original price $ 1,475.00 - Original price $ 1,475.00
    Original price
    $ 1,475.00
    $ 1,475.00 - $ 1,475.00
    Current price $ 1,475.00

    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...

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    Original price $ 1,475.00 - Original price $ 1,475.00
    Original price
    $ 1,475.00
    $ 1,475.00 - $ 1,475.00
    Current price $ 1,475.00
  • Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware

    Wehrli
    Original price $ 46,150.00
    Original price $ 46,150.00 - Original price $ 46,150.00
    Original price $ 46,150.00
    Current price $ 44,766.00
    $ 44,766.00 - $ 44,766.00
    Current price $ 44,766.00

    Wehrli Model WCF100226 Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware Fully TIG Wel...

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    Original price $ 46,150.00
    Original price $ 46,150.00 - Original price $ 46,150.00
    Original price $ 46,150.00
    Current price $ 44,766.00
    $ 44,766.00 - $ 44,766.00
    Current price $ 44,766.00
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  • Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized

    Wehrli
    Original price $ 663.00
    Original price $ 663.00 - Original price $ 663.00
    Original price $ 663.00
    Current price $ 643.00
    $ 643.00 - $ 643.00
    Current price $ 643.00

    Wehrli Model WCF100473Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized This quick and easy to install, bil...

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    Original price $ 663.00
    Original price $ 663.00 - Original price $ 663.00
    Original price $ 663.00
    Current price $ 643.00
    $ 643.00 - $ 643.00
    Current price $ 643.00
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  • Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit

    Wehrli
    Original price $ 6,178.00
    Original price $ 6,178.00 - Original price $ 6,178.00
    Original price $ 6,178.00
    Current price $ 5,993.00
    $ 5,993.00 - $ 5,993.00
    Current price $ 5,993.00

    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...

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    Original price $ 6,178.00
    Original price $ 6,178.00 - Original price $ 6,178.00
    Original price $ 6,178.00
    Current price $ 5,993.00
    $ 5,993.00 - $ 5,993.00
    Current price $ 5,993.00
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  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    Original price $ 1,091.00
    Original price $ 1,091.00 - Original price $ 1,091.00
    Original price $ 1,091.00
    Current price $ 1,058.00
    $ 1,058.00 - $ 1,058.00
    Current price $ 1,058.00

    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...

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    Original price $ 1,091.00
    Original price $ 1,091.00 - Original price $ 1,091.00
    Original price $ 1,091.00
    Current price $ 1,058.00
    $ 1,058.00 - $ 1,058.00
    Current price $ 1,058.00
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  • Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit

    Wehrli
    Original price $ 6,712.00
    Original price $ 6,712.00 - Original price $ 6,712.00
    Original price $ 6,712.00
    Current price $ 6,511.00
    $ 6,511.00 - $ 6,511.00
    Current price $ 6,511.00

    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...

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    Original price $ 6,712.00
    Original price $ 6,712.00 - Original price $ 6,712.00
    Original price $ 6,712.00
    Current price $ 6,511.00
    $ 6,511.00 - $ 6,511.00
    Current price $ 6,511.00
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  • Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port

    Fleece Performance
    Original price $ 1,328.00 - Original price $ 1,328.00
    Original price $ 1,328.00
    $ 1,475.00
    $ 1,475.00 - $ 1,475.00
    Current price $ 1,475.00

    Fleece Performance Model FPE-L5P-MAP-SPRAll new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Becaus...

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    Original price $ 1,328.00 - Original price $ 1,328.00
    Original price $ 1,328.00
    $ 1,475.00
    $ 1,475.00 - $ 1,475.00
    Current price $ 1,475.00
  • Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    Original price $ 2,138.00
    Original price $ 2,138.00 - Original price $ 2,138.00
    Original price $ 2,138.00
    Current price $ 1,945.00
    $ 1,945.00 - $ 1,945.00
    Current price $ 1,945.00

      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...

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    Original price $ 2,138.00
    Original price $ 2,138.00 - Original price $ 2,138.00
    Original price $ 2,138.00
    Current price $ 1,945.00
    $ 1,945.00 - $ 1,945.00
    Current price $ 1,945.00
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  • Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    Original price $ 2,095.00
    Original price $ 2,095.00 - Original price $ 2,095.00
    Original price $ 2,095.00
    Current price $ 1,902.00
    $ 1,902.00 - $ 1,902.00
    Current price $ 1,902.00

    Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...

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    Original price $ 2,095.00
    Original price $ 2,095.00 - Original price $ 2,095.00
    Original price $ 2,095.00
    Current price $ 1,902.00
    $ 1,902.00 - $ 1,902.00
    Current price $ 1,902.00
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  • XDP Flex Plate Bolt Kit XD656

    XDP
    Original price $ 1,496.00 - Original price $ 1,496.00
    Original price
    $ 1,496.00
    $ 1,496.00 - $ 1,496.00
    Current price $ 1,496.00

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    Original price $ 1,496.00 - Original price $ 1,496.00
    Original price
    $ 1,496.00
    $ 1,496.00 - $ 1,496.00
    Current price $ 1,496.00
  • XDP Harmonic Balancer Bolt XD628

    XDP
    Original price $ 448.00 - Original price $ 448.00
    Original price
    $ 448.00
    $ 448.00 - $ 448.00
    Current price $ 448.00

    XDP Model XD628  

    Original price $ 448.00 - Original price $ 448.00
    Original price
    $ 448.00
    $ 448.00 - $ 448.00
    Current price $ 448.00
  • Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side)

    Fleece Performance
    Original price $ 23,492.00 - Original price $ 23,492.00
    Original price
    $ 23,492.00
    $ 23,492.00 - $ 23,492.00
    Current price $ 23,492.00

    Fleece Performance Model FPE-61-10014-PFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side) Each cylinder head is ma...

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    Original price $ 23,492.00 - Original price $ 23,492.00
    Original price
    $ 23,492.00
    $ 23,492.00 - $ 23,492.00
    Current price $ 23,492.00
  • Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side)

    Fleece Performance
    Original price $ 23,492.00 - Original price $ 23,492.00
    Original price
    $ 23,492.00
    $ 23,492.00 - $ 23,492.00
    Current price $ 23,492.00

    Fleece Performance Model FPE-61-10014-DFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side) Each cylinder head is manuf...

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    Original price $ 23,492.00 - Original price $ 23,492.00
    Original price
    $ 23,492.00
    $ 23,492.00 - $ 23,492.00
    Current price $ 23,492.00
  • Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)

    Fleece Performance
    Original price $ 2,694.00 - Original price $ 2,694.00
    Original price $ 2,694.00
    $ 2,993.00
    $ 2,993.00 - $ 2,993.00
    Current price $ 2,993.00

    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...

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    Original price $ 2,694.00 - Original price $ 2,694.00
    Original price $ 2,694.00
    $ 2,993.00
    $ 2,993.00 - $ 2,993.00
    Current price $ 2,993.00
  • Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD

    Rough Country
    Original price $ 5,557.00 - Original price $ 5,557.00
    Original price
    $ 5,557.00
    $ 5,557.00 - $ 5,557.00
    Current price $ 5,557.00

    Put the finishing touch on your lifted vehicle with Rough Country's Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps y...

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    Original price $ 5,557.00 - Original price $ 5,557.00
    Original price
    $ 5,557.00
    $ 5,557.00 - $ 5,557.00
    Current price $ 5,557.00
  • Speedometer Calibrator | Inline | Chevy/GMC 2500HD/3500HD (17-19)

    Rough Country
    Original price $ 3,633.00 - Original price $ 3,633.00
    Original price
    $ 3,633.00
    $ 3,633.00 - $ 3,633.00
    Current price $ 3,633.00

    Put the finishing touch on your lifted vehicle with Rough Country's Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps y...

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    Original price $ 3,633.00 - Original price $ 3,633.00
    Original price
    $ 3,633.00
    $ 3,633.00 - $ 3,633.00
    Current price $ 3,633.00
  • Fleece Performance 01-19 GM 2500/3500 34V Duramax Billet Rocker Arm Bridges

    Fleece Performance
    Original price $ 9,861.00 - Original price $ 9,861.00
    Original price $ 9,861.00
    $ 10,956.00
    $ 10,956.00 - $ 10,956.00
    Current price $ 10,956.00

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

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    Original price $ 9,861.00 - Original price $ 9,861.00
    Original price $ 9,861.00
    $ 10,956.00
    $ 10,956.00 - $ 10,956.00
    Current price $ 10,956.00
  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized

    Wehrli
    Original price $ 1,091.00
    Original price $ 1,091.00 - Original price $ 1,091.00
    Original price $ 1,091.00
    Current price $ 1,058.00
    $ 1,058.00 - $ 1,058.00
    Current price $ 1,058.00

    Wehrli Model WCF100443Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized -CNC Machined Billet Aluminum GM factory...

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    Original price $ 1,091.00
    Original price $ 1,091.00 - Original price $ 1,091.00
    Original price $ 1,091.00
    Current price $ 1,058.00
    $ 1,058.00 - $ 1,058.00
    Current price $ 1,058.00
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  • Wehrli 20-24 L5P Duramax WCFAB X PPE High Capacity Oil Pan

    Wehrli
    Original price $ 10,881.00
    Original price $ 10,881.00 - Original price $ 10,881.00
    Original price $ 10,881.00
    Current price $ 10,554.00
    $ 10,554.00 - $ 10,554.00
    Current price $ 10,554.00

    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...

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    Original price $ 10,881.00
    Original price $ 10,881.00 - Original price $ 10,881.00
    Original price $ 10,881.00
    Current price $ 10,554.00
    $ 10,554.00 - $ 10,554.00
    Current price $ 10,554.00
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  • Bully Dog 08-20 Chevrolet Silverado 6.6L Thruster Throttle Booster (CARB Exempt Version)

    Bully Dog
    Original price $ 2,886.00 - Original price $ 2,886.00
    Original price
    $ 2,886.00
    $ 2,886.00 - $ 2,886.00
    Current price $ 2,886.00

    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 ...

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    Original price $ 2,886.00 - Original price $ 2,886.00
    Original price
    $ 2,886.00
    $ 2,886.00 - $ 2,886.00
    Current price $ 2,886.00
  • Bully Dog 17-19 Chevrolet Silverado 2500 / 08-19 Chevrolet Silverado 3500 Thruster Throttle Booster

    Bully Dog
    Original price $ 2,886.00 - Original price $ 2,886.00
    Original price
    $ 2,886.00
    $ 2,886.00 - $ 2,886.00
    Current price $ 2,886.00

    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 details
    Original price $ 2,886.00 - Original price $ 2,886.00
    Original price
    $ 2,886.00
    $ 2,886.00 - $ 2,886.00
    Current price $ 2,886.00
  • BD Diesel Throttle Sensitivity Booster - Chevy / GMC

    BD Diesel
    Original price $ 6,012.00 - Original price $ 6,012.00
    Original price $ 6,012.00
    $ 6,198.00
    $ 6,198.00 - $ 6,198.00
    Current price $ 6,198.00

    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...

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    Original price $ 6,012.00 - Original price $ 6,012.00
    Original price $ 6,012.00
    $ 6,198.00
    $ 6,198.00 - $ 6,198.00
    Current price $ 6,198.00
  • Banks Power Pedal Monster Throttle Sensitivity Booster (Standalone) - 07.5-19 GM 2500/3500

    Banks Power
    Original price $ 7,007.00
    Original price $ 7,007.00 - Original price $ 7,007.00
    Original price $ 7,007.00
    Current price $ 6,306.00
    $ 6,306.00 - $ 6,306.00
    Current price $ 6,306.00

    PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle dela...

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    Original price $ 7,007.00
    Original price $ 7,007.00 - Original price $ 7,007.00
    Original price $ 7,007.00
    Current price $ 6,306.00
    $ 6,306.00 - $ 6,306.00
    Current price $ 6,306.00
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  • Banks Power Pedal Monster Throttle Sensitivity Booster for Use w/ Exst. iDash - 07.5-19 GM 2500/3500

    Banks Power
    Original price $ 7,007.00
    Original price $ 7,007.00 - Original price $ 7,007.00
    Original price $ 7,007.00
    Current price $ 6,306.00
    $ 6,306.00 - $ 6,306.00
    Current price $ 6,306.00

    PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle dela...

    View full details
    Original price $ 7,007.00
    Original price $ 7,007.00 - Original price $ 7,007.00
    Original price $ 7,007.00
    Current price $ 6,306.00
    $ 6,306.00 - $ 6,306.00
    Current price $ 6,306.00
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Powerhouse Diesel