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L5P Duramax Transmissions

  • Mishimoto 01-19 Duramax Allison A1000 Transmission Pan Cast GR

    Mishimoto
    Original price $407.00
    Original price $407.00 - Original price $407.00
    Original price $407.00
    Current price $369.95
    $369.95 - $369.95
    Current price $369.95

    This Mishimoto Aluminum Transmission Pan is a direct-fit, high-performance upgrade for your 2001-2019 Chevy/GMC 6.6L Duramax. Cast from high-qualit...

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    Original price $407.00
    Original price $407.00 - Original price $407.00
    Original price $407.00
    Current price $369.95
    $369.95 - $369.95
    Current price $369.95
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  • ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L

    ATS Diesel
    Original price $785.00 - Original price $785.00
    Original price
    $785.00
    $785.00 - $785.00
    Current price $785.00

    ATS Diesel 01-23 L5P Duramax 6.6L Billet Flexplate SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS bill...

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    Original price $785.00 - Original price $785.00
    Original price
    $785.00
    $785.00 - $785.00
    Current price $785.00
  • XDP EPC Solenoid Fooler Plug XD345

    XDP
    Original price $58.95 - Original price $58.95
    Original price
    $58.95
    $58.95 - $58.95
    Current price $58.95

    XDP Model XD345Increase the durability, line pressure, and performance of the Allison transmission in your 2011-2019 GM 6.6L Duramax LML and L5P wi...

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    Original price $58.95 - Original price $58.95
    Original price
    $58.95
    $58.95 - $58.95
    Current price $58.95
  • Yukon Gear 07-19 Chevrolet Silverado 2500 HD/3500 HD High-Capacity Aluminum Allison Transmission Pan

    Yukon Gear & Axle
    Original price $373.89 - Original price $373.89
    Original price
    $373.89
    $373.89 - $373.89
    Current price $373.89

    Whether on the road, on the trail, or towing, superior cooling is vital for reliable transmission shifting. Yukon’s high-capacity transmission pa...

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    Original price $373.89 - Original price $373.89
    Original price
    $373.89
    $373.89 - $373.89
    Current price $373.89
  • Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

    Mishimoto
    Original price $118.00
    Original price $118.00 - Original price $118.00
    Original price $118.00
    Current price $106.95
    $106.95 - $106.95
    Current price $106.95

    The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powe...

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    Original price $118.00
    Original price $118.00 - Original price $118.00
    Original price $118.00
    Current price $106.95
    $106.95 - $106.95
    Current price $106.95
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  • Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

    Mishimoto
    Original price $146.00
    Original price $146.00 - Original price $146.00
    Original price $146.00
    Current price $132.95
    $132.95 - $132.95
    Current price $132.95

    The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powe...

    View full details
    Original price $146.00
    Original price $146.00 - Original price $146.00
    Original price $146.00
    Current price $132.95
    $132.95 - $132.95
    Current price $132.95
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  • BD Diesel Xtruded Trans Oil Cooler - 5/8 inch Cooler Lines

    BD Diesel
    Original price $699.32 - Original price $699.32
    Original price $699.32
    $720.95
    $720.95 - $720.95
    Current price $720.95

    BDs High Performance CP3 (HPCP3) Injection Pump with up to a 72-percent increase in capacity / displacement delivers enough fuel to support up to 7...

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    Original price $699.32 - Original price $699.32
    Original price $699.32
    $720.95
    $720.95 - $720.95
    Current price $720.95
  • BD Diesel FleX-Plate - Chevy 2001-2011 Duramax 6.6L w/Allison Trans

    BD Diesel
    Original price $431.60 - Original price $431.60
    Original price $431.60
    $444.95
    $444.95 - $444.95
    Current price $444.95

    BDs FleX-Plate is designed specifically for modified applications, and can reliably handle up to 1,500 lb.-ft. of torque. Twice as thick as the sto...

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    Original price $431.60 - Original price $431.60
    Original price $431.60
    $444.95
    $444.95 - $444.95
    Current price $444.95
  • BD Diesel Deep Sump Trans Pan - 2001-2010 Chev Allison 1000

    BD Diesel
    Original price $409.29 - Original price $409.29
    Original price $409.29
    $421.95
    $421.95 - $421.95
    Current price $421.95

    High volumes of cool transmission fluid equate to long transmission life. BDs deep aluminum pans increases the oil capacity by 1qt on the 1989-2007...

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    Original price $409.29 - Original price $409.29
    Original price $409.29
    $421.95
    $421.95 - $421.95
    Current price $421.95
  • Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - Silver

    Mishimoto
    Original price $527.00
    Original price $527.00 - Original price $527.00
    Original price $527.00
    Current price $478.95
    $478.95 - $478.95
    Current price $478.95

    There’s no greater enemy for a transmission than heat. Whether your 2017-2019 Chevy/GMC 6.6L L5P Duramax is a dedicated tow vehicle, hardworking ...

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    Original price $527.00
    Original price $527.00 - Original price $527.00
    Original price $527.00
    Current price $478.95
    $478.95 - $478.95
    Current price $478.95
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  • Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver

    Mishimoto
    Original price $527.00
    Original price $527.00 - Original price $527.00
    Original price $527.00
    Current price $478.95
    $478.95 - $478.95
    Current price $478.95

    There’s no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML Duramax is a dedicated tow vehicle, hardworking ...

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    Original price $527.00
    Original price $527.00 - Original price $527.00
    Original price $527.00
    Current price $478.95
    $478.95 - $478.95
    Current price $478.95
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Powerhouse Diesel