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GM 12 Bolt, Rear Differential Cover
2019 and Newer Silverado, Sierra, SUVs

Project Under Consideration, PML Part Number 11172

PML is looking into an after market cover for the 2019 and newer Chevrolet and GM trucks and SUVs.

The 12 bolt rear differential cover on 2014 to 2018 vehicles looks similar but is slightly smaller.

We have heard that the same ring gear is used, 9.5 or 9.76 inches.

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Let us know if you have a 2019 or newer GM/Chevrolet truck or SUV with this new differential.

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We welcome information and suggestions are welcome. Email info and pictures of the stock cover to:

Comparing 2014 to 2018 PML Cover to 2019 Gasket

The PML differential cover in the picture is Part Number 11129 for GM 9.5, 9.76 12 bolt rear differentials.

2019 GM 12 Bolt Rear Differential Cover Gasket Compared to PML Cover for 2014 to 2018