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aFe Street Series Rear Differential Cover Raw w/ Machined Fins 20-21 GM Trucks V8-6.6L

Take your GM Truck to the next level with the aFe Street Series Rear Differential Cover. This cover is designed to provide better performance over a longer duration, thanks to its increased oil capacity over stock. The built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling, while the magnetic drain plug captures loose particles for maximum protection.

The calibration plug is set to the factory oil level to prevent overfilling, and our optional deep reach magnetic fill plug (PN: 46-00002) is a great addition to combine with this cover. This item fits vehicles equipped with AAM 11.5/12.0 Rear axles.

  • Increased oil capacity over stock for better performance
  • Built-in internal and external fins for maximum cooling
  • Magnetic drain plug for maximum protection
  • Calibration plug set to factory oil level to prevent overfilling
Make Model Year Type
Chevrolet Silverado 2500 HD 2020 Custom
Chevrolet Silverado 2500 HD 2020 High Country
Chevrolet Silverado 2500 HD 2020 LT
Chevrolet Silverado 2500 HD 2020 LTZ
Chevrolet Silverado 2500 HD 2020 WT
Chevrolet Silverado 2500 HD 2021 Custom
Chevrolet Silverado 2500 HD 2021 High Country
Chevrolet Silverado 2500 HD 2021 LT
Chevrolet Silverado 2500 HD 2021 LTZ
Chevrolet Silverado 2500 HD 2021 WT
Chevrolet Silverado 2500 HD 2022 Custom
Chevrolet Silverado 2500 HD 2022 High Country
Chevrolet Silverado 2500 HD 2022 LT
Chevrolet Silverado 2500 HD 2022 LTZ
Chevrolet Silverado 2500 HD 2022 WT
Chevrolet Silverado 2500 HD 2023 Custom
Chevrolet Silverado 2500 HD 2023 High Country
Chevrolet Silverado 2500 HD 2023 LT
Chevrolet Silverado 2500 HD 2023 LTZ
Chevrolet Silverado 2500 HD 2023 WT
Chevrolet Silverado 3500 HD 2020 High Country
Chevrolet Silverado 3500 HD 2020 LT
Chevrolet Silverado 3500 HD 2020 LTZ
Chevrolet Silverado 3500 HD 2020 WT
Chevrolet Silverado 3500 HD 2021 High Country
Chevrolet Silverado 3500 HD 2021 LT
Chevrolet Silverado 3500 HD 2021 LTZ
Chevrolet Silverado 3500 HD 2021 WT
Chevrolet Silverado 3500 HD 2022 High Country
Chevrolet Silverado 3500 HD 2022 LT
Chevrolet Silverado 3500 HD 2022 LTZ
Chevrolet Silverado 3500 HD 2022 WT
Chevrolet Silverado 3500 HD 2023 High Country
Chevrolet Silverado 3500 HD 2023 LT
Chevrolet Silverado 3500 HD 2023 LTZ
Chevrolet Silverado 3500 HD 2023 WT
GMC Sierra 2500 HD 2020 AT4
GMC Sierra 2500 HD 2020 Base
GMC Sierra 2500 HD 2020 Denali
GMC Sierra 2500 HD 2020 SLE
GMC Sierra 2500 HD 2020 SLT
GMC Sierra 2500 HD 2021 AT4
GMC Sierra 2500 HD 2021 Base
GMC Sierra 2500 HD 2021 Denali
GMC Sierra 2500 HD 2021 SLE
GMC Sierra 2500 HD 2021 SLT
GMC Sierra 2500 HD 2022 AT4
GMC Sierra 2500 HD 2022 Denali
GMC Sierra 2500 HD 2022 Pro
GMC Sierra 2500 HD 2022 SLE
GMC Sierra 2500 HD 2022 SLT
GMC Sierra 2500 HD 2023 AT4
GMC Sierra 2500 HD 2023 Denali
GMC Sierra 2500 HD 2023 Pro
GMC Sierra 2500 HD 2023 SLE
GMC Sierra 2500 HD 2023 SLT
GMC Sierra 3500 HD 2020 AT4
GMC Sierra 3500 HD 2020 Base
GMC Sierra 3500 HD 2020 Denali
GMC Sierra 3500 HD 2020 SLE
GMC Sierra 3500 HD 2020 SLT
GMC Sierra 3500 HD 2021 AT4
GMC Sierra 3500 HD 2021 Base
GMC Sierra 3500 HD 2021 Denali
GMC Sierra 3500 HD 2021 SLE
GMC Sierra 3500 HD 2021 SLT
GMC Sierra 3500 HD 2022 AT4
GMC Sierra 3500 HD 2022 Denali
GMC Sierra 3500 HD 2022 Pro
GMC Sierra 3500 HD 2022 SLE
GMC Sierra 3500 HD 2022 SLT
GMC Sierra 3500 HD 2023 AT4
GMC Sierra 3500 HD 2023 Denali
GMC Sierra 3500 HD 2023 Pro
GMC Sierra 3500 HD 2023 SLE
GMC Sierra 3500 HD 2023 SLT
Advanced FLOW engineering (aFe) is a manufacturer of automotive cold air intake systems, performance air filters, fluid filters, intake manifolds turbochargers, programmers, throttle body spacers and exhaust systems. aFe was founded in 1999 and is headquartered in Corona, California, USA, in two facilities including their headquarters and manufacturing facilities. A warehouse and R&D facility was added in 2012.
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