Fits: 2020 thru 2026 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel 

If you are doing a transmission service make sure to use a high quality OEM replacement internal filter.

Includes:

• Genuine Allison Internal Transmission Filter

Notes:

• 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
• Service package with fluid, filter and gasket available as well, Allison 10L1000 10 Speed Service Package