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GM 8L90 Deep
    GM 8L90 Deep
    Purchase GM 8L90 Deep
    • GM 8L90 Deep
      Part Number: tp-asm-11140

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    OEM GM 8L90 transmission pans GM 8L90 Transmission Pans, Click To View Larger Image   2020 Silverado 8L90 Transmission Pan 2020 Silverado 8L90 Transmission Pan, Click To View Larger Image   2019 Colorado 8L90 Transmission Pan 2019 Colorado 8L90 Transmission Pan, Click To View Larger Image  
    Stock GM 8L90 transmission pans, click on image to view larger.

    There are two different stock pans for the 8L90. Shapes at front and rear are different. Pictures of the stock pans are from a 2020 Silverado and a 2019 Colorado.

    Number of bolts: 15 (there are an additional 2 holes for the reusable factory gasket)

    Dimensions: Stock pan is 19 inches long, PML pan will have similar length and width but will be deeper

    PML Design and Benefits

    PML is looking at the design and development of an extra capacity, heavy duty pan for the GM 8L90 transmission. Our design includes these benefits:

    • Extra capacity
    • Finned
    • Drain hole and magnetic drain plug
    • Work with stock filter
    • Heavy duty sand cast aluminum construction

    We are collecting information about vehicles, fitment, and applications. Please sign up for our email list if you are interested in a 8L90 transmission pan.

    We welcome pictures, measurements, and suggestions. Please email us pictures of your stock pan on your truck, SUV, or care with any info to:

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    Since there are two different stock pans, we are looking at a design that could replace both stock pans.

    If you have a valve body, used and not functional ok, from a 2020 or new Sileverado/Sierra, let us know.


    The GM 8L90 transmission can be found on 2015 and newer Chevrolet, Cadillac, and GMC vehicles.

    • 2015 and newer Cadillac Escalade 6.2L
    • 2015 and newer Chevrolet Silverado 6.2L
    • 2015 and newer GMC Sierra 6.2L
    • 2015 and newer GMC Yukon Denali/Denali XL 6.2L

    • 2016 and newer Chevrolet Tahoe 6.2L

    • 2017 and new Colorado and Canyon, gas engines (may be 8L45)

    • Some 2015 and newer models of Camaro, Carpice, Corvette, and Cadillac cars also have the 8L90 but probably lack ground clearance for a deeper transmission pan.

    Always check your vehicle to verify transmission and clearance. Configurations vary. Cars may not have enough ground clearance for a deep pan.

    For 2017 gas engine Canyon and Colorado, GM switched to an 8 speed transmission from the 6 speed 6L50. See article in The Shop Magazine.

    GM 8L90 Transmission

    GM 8L90 Transmission at ATRA 2015 GM 8L90 transmission and stock pan at ATRA Transmission Show 2015, Click To View Larger Image