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2011-2025 GM 2500/3500HD 6.0L/6.6L Heavy-Duty Cast Aluminum Front Differential Cover

$348.00 In Stock Temporarily Out of Stock
Finish
43838505386227 45478405701875 45478405734643
PART NUMBER: 138041000 GTIN: 840171218497

Features:

  • High-grade A356.0-T6 heat treated cast aluminum alloy
  • Stainless steel Neodymium-magnet-equipped fill plug
  • 1/8 inch stainless temperature probe plug
  • Retains use of original high-quality gasket
  • Adds additional strength to gear housing
  • Cast from high-grade aluminum alloy
  • 1/4 inch external cooling fins
  • Zinc-plated fasteners
  • 5/8 inch internal fins
  • 3/4 quart additional fluid capacity
  • Limited lifetime warranty

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  • Description
  • Compatible Vehicles
  • Downloads

Heavy-Duty Cast Aluminum Front Differential Cover — GM 2500/3500HD 6.0L/6.6L

Help keep your 2011-current GM’s front differential running cool and clean with an upgraded differential cover from PPE. With the largest set of cast cooling fins in the industry, found both inside as well as outside the pan, PPE’s differential covers offer fluid cooling capabilities not often matched. This pan also holds an extra three-quarter quart of fluid, offering a bit of added stamina on those long hauls.

To keep the fluid clean, PPE installed its exclusive high-powered Neodymium magnet-equipped fill plug will pull harmful ferrous metal particles right out of the oil before they have a chance to attack the bearings.

OEM Part Numbers: 20768577, 84756922


2011-2024 GM 2500/3500HD 6.0L/6.6L Heavy-Duty Cast Aluminum Front Differential Cover

2025 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2025 GMC Sierra 3500HD 6.6L V8 Gas
2025 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2025 GMC Sierra 2500HD 6.6L V8 Gas
2025 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2025 Chevrolet Silverado 3500HD 6.6L V8 Gas
2025 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2025 Chevrolet Silverado 2500HD 6.6L V8 Gas
2024 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2024 GMC Sierra 3500HD 6.6L V8 Gas
2024 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2024 GMC Sierra 2500HD 6.6L V8 Gas
2024 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2024 Chevrolet Silverado 3500HD 6.6L V8 Gas
2024 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2024 Chevrolet Silverado 2500HD 6.6L V8 Gas
2023 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2023 GMC Sierra 3500HD 6.6L V8 Gas
2023 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2023 GMC Sierra 2500HD 6.6L V8 Gas
2023 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2023 Chevrolet Silverado 3500HD 6.6L V8 Gas
2023 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2023 Chevrolet Silverado 2500HD 6.6L V8 Gas
2022 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2022 GMC Sierra 3500HD 6.6L V8 Gas
2022 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2022 GMC Sierra 2500HD 6.6L V8 Gas
2022 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2022 Chevrolet Silverado 3500HD 6.6L V8 Gas
2022 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2022 Chevrolet Silverado 2500HD 6.6L V8 Gas
2021 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2021 GMC Sierra 3500HD 6.6L V8 Gas
2021 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2021 GMC Sierra 2500HD 6.6L V8 Gas
2021 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2021 Chevrolet Silverado 3500HD 6.6L V8 Gas
2021 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2021 Chevrolet Silverado 2500HD 6.6L V8 Gas
2020 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2020 GMC Sierra 3500HD 6.6L V8 Gas
2020 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2020 GMC Sierra 2500HD 6.6L V8 Gas
2020 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2020 Chevrolet Silverado 3500HD 6.6L V8 Gas
2020 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2020 Chevrolet Silverado 2500HD 6.6L V8 Gas
2019 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2019 GMC Sierra 3500HD 6.0L V8 Gas
2019 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2019 GMC Sierra 2500HD 6.0L V8 Gas
2019 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2019 Chevrolet Silverado 3500HD 6.0L V8 Gas
2019 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2019 Chevrolet Silverado 2500HD 6.0L V8 Gas
2018 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2018 GMC Sierra 3500HD 6.0L V8 Gas
2018 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2018 GMC Sierra 2500HD 6.0L V8 Gas
2018 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2018 Chevrolet Silverado 3500HD 6.0L V8 Gas
2018 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2018 Chevrolet Silverado 2500HD 6.0L V8 Gas
2017 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2017 GMC Sierra 3500HD 6.0L V8 Gas
2017 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2017 GMC Sierra 2500HD 6.0L V8 Gas
2017 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2017 Chevrolet Silverado 3500HD 6.0L V8 Gas
2017 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2017 Chevrolet Silverado 2500HD 6.0L V8 Gas
2016 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2016 GMC Sierra 3500HD 6.0L V8 Gas
2016 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2016 GMC Sierra 2500HD 6.0L V8 Gas
2016 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2016 Chevrolet Silverado 3500HD 6.0L V8 Gas
2016 Chevrolet Silverado 2500HD 6.0L V8 Gas
2015 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2015 GMC Sierra 3500HD 6.0L V8 Gas
2015 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2015 GMC Sierra 2500HD 6.0L V8 Gas
2015 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2015 Chevrolet Silverado 3500HD 6.0L V8 Gas
2015 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2015 Chevrolet Silverado 2500HD 6.0L V8 Gas
2014 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2014 GMC Sierra 3500HD 6.0L V8 Gas
2014 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2014 GMC Sierra 2500HD 6.0L V8 Gas
2014 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2014 Chevrolet Silverado 3500HD 6.0L V8 Gas
2014 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2014 Chevrolet Silverado 2500HD 6.0L V8 Gas
2013 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2013 GMC Sierra 3500HD 6.0L V8 Gas
2013 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2013 GMC Sierra 2500HD 6.0L V8 Gas
2013 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2013 Chevrolet Silverado 3500HD 6.0L V8 Gas
2013 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2013 Chevrolet Silverado 2500HD 6.0L V8 Gas
2012 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2012 GMC Sierra 3500HD 6.0L V8 Gas
2012 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2012 GMC Sierra 2500HD 6.0L V8 Gas
2012 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2012 Chevrolet Silverado 3500HD 6.0L V8 Gas
2012 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2012 Chevrolet Silverado 2500HD 6.0L V8 Gas
2011 GMC Sierra 3500HD 6.6L V8 Turbo Diesel (Duramax)
2011 GMC Sierra 3500HD 6.0L V8 Gas
2011 GMC Sierra 2500HD 6.6L V8 Turbo Diesel (Duramax)
2011 GMC Sierra 2500HD 6.0L V8 Gas
2011 Chevrolet Silverado 3500HD 6.6L V8 Turbo Diesel (Duramax)
2011 Chevrolet Silverado 3500HD 6.0L V8 Gas
2011 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel (Duramax)
2011 Chevrolet Silverado 2500HD 6.0L V8 Gas
Files
PPE PDF Download file
Install Guide
PPE PDF Download file
Drawings
PPE PDF Download file
Check vehicle fitment

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