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L5P Duramax Transmissions

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    Mishimoto 01-19 Duramax Allison A1000 Transmission Pan Cast GR

    Mishimoto
    $452.00
    $452.00 - $452.00
    $452.00
    $410.95
    $410.95 - $410.95
    $410.95

    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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    $452.00
    $452.00 - $452.00
    $452.00
    $410.95
    $410.95 - $410.95
    $410.95
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  • ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L. ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L.

    ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L

    ATS Diesel
    $785.00 - $785.00
    $785.00
    $785.00 - $785.00
    $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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    $785.00 - $785.00
    $785.00
    $785.00 - $785.00
    $785.00
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    XDP EPC Solenoid Fooler Plug XD345

    XDP
    $58.95 - $58.95
    $58.95
    $58.95 - $58.95
    $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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    $58.95 - $58.95
    $58.95
    $58.95 - $58.95
    $58.95
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    Yukon Gear 07-19 Chevrolet Silverado 2500 HD/3500 HD High-Capacity Aluminum Allison Transmission Pan

    Yukon Gear & Axle
    $373.89 - $373.89
    $373.89
    $373.89 - $373.89
    $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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    $373.89 - $373.89
    $373.89
    $373.89 - $373.89
    $373.89
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    Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

    Mishimoto
    $131.00
    $131.00 - $131.00
    $131.00
    $118.95
    $118.95 - $118.95
    $118.95

    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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    $131.00
    $131.00 - $131.00
    $131.00
    $118.95
    $118.95 - $118.95
    $118.95
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    Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

    Mishimoto
    $163.00
    $163.00 - $163.00
    $163.00
    $147.95
    $147.95 - $147.95
    $147.95

    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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    $163.00
    $163.00 - $163.00
    $163.00
    $147.95
    $147.95 - $147.95
    $147.95
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    BD Diesel Xtruded Trans Oil Cooler - 5/8 inch Cooler Lines

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

    BD Diesel
    $431.60 - $431.60
    $431.60
    $444.95
    $444.95 - $444.95
    $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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    $431.60 - $431.60
    $431.60
    $444.95
    $444.95 - $444.95
    $444.95
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    BD Diesel Deep Sump Trans Pan - 2001-2010 Chev Allison 1000

    BD Diesel
    $409.29 - $409.29
    $409.29
    $421.95
    $421.95 - $421.95
    $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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    $409.29 - $409.29
    $409.29
    $421.95
    $421.95 - $421.95
    $421.95
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    Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - Silver

    Mishimoto
    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95

    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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    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95
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    Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver

    Mishimoto
    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95

    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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    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95
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Powerhouse Diesel