Allison 10L1000 10 speed service package for your 2020+ L5P Duramax Diesel. This kit utilizes the OEM-specified fluids, filters, and gaskets to ensure you are getting the highest quality components for your vehicle.
For standard service, removing the pan and changing the internal filter, you will need approximately 10 quarts of Dexron ULV Automatic Transmission Fluid
Aftermarket oil pans/valve body services may require additional fluid
Recommended to service your 10-speed transmission by replacing the fluid and filter every 45,000 miles
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