aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 aFe AFE46-71120B
aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 aFe AFE46-71120B
aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 aFe AFE46-71120B
aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 aFe AFE46-71120B
aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 aFe AFE46-71120B
aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 aFe AFE46-71120B
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aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500

aFe
AFE46-71120B
802959466605
Diff Covers
20+ Units In Stock - Ships Next Business Day
$ 328.00
$ 328.00

SKU: 46-71120B | UPC: 802959466605

aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-23 GM Silverado/Sierra 1500

This aFe Power Pro Series rear differential cover protects and cools the AAM 9.5/9.76 axle on 2014-2023 Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, Chevrolet Suburban, and GMC Yukon models. Cast aluminum construction with black powder-coating and machined fins delivers added strength, larger oil capacity for sustained performance, and efficient heat transfer through internal and external fins. Magnetic plugs capture metal particles while the sight glass enables easy oil checks without disassembly.

Key Features

  • Increased Oil Capacity: Holds more fluid than stock for longer-lasting lubrication during heavy use and towing.
  • Built-in Internal/External Fins: Transfer heat from oil to ambient air for reduced differential temperatures and extended component life.
  • Magnetic Drain and Fill Plugs: Deep-reach magnets trap ferrous debris to prevent wear on gears and bearings.
  • Calibration Plug: Matches factory fill height to avoid overfilling and ensure proper operation.
  • Oil Level Sight Glass: Pre-installed for instant visual inspection without tools or removal.

Product Notes

  • This cover fits only vehicles with AAM 9.5/9.76-inch 12-bolt rear axle.
  • Reuse factory gasket or seal for reliable sealing.
  • Ships in protective carton measuring 19 x 14.5 x 5 inches.

Installation Notes

  • Professional installation recommended.
  • Bolt-on design uses included mounting hardware for straightforward replacement.
  • Reuse OE gasket. torque bolts to factory specs for leak-free fit.

This Part Fits

Year Make Model Submodel
2014-2023 Chevrolet Silverado 1500 LS, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2, Custom, Custom Trail Boss, High Country
2019 Chevrolet Silverado 1500 LD Custom, LT, WT
2015-2023 Chevrolet Suburban Commercial, High Country, LS, LT, LTZ, Premier, RST, Z71
2015-2023 Cadillac Escalade Base, Luxury, Platinum, Premium, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V
2014-2023 GMC Sierra 1500 Base, Denali, Denali Ultimate, Elevation, SLE, SLT, AT4, AT4X, Pro, Limited
2015-2023 GMC Yukon SLE, SLT, Denali, Denali Ultimate, AT4
2015-2023 GMC Yukon XL Denali, Denali Ultimate, SLE, SLT, AT4

Why Choose aFe Power?

  • Engineered for power, performance, protection, and value in every component.
  • Durable cast aluminum withstands extreme off-road and towing demands.
  • Precision design ensures perfect fit and function on specified GM axles.

Frequently Asked Questions

  • Q: Does this fit my 2019 Silverado 1500 with AAM 9.5 rear axle?
    A: Yes, it fits all 2014-2023 Silverado 1500, Sierra 1500, Escalade, Suburban, and Yukon models equipped with the AAM 9.5/9.76-inch 12-bolt rear differential. confirm your axle type before purchase.
  • Q: What material and finish does the cover have?
    A: Heavy-duty cast aluminum with black powder-coating and machined cooling fins for corrosion resistance and style.
  • Q: Is installation hardware included and how long does it take?
    A: Yes, all necessary bolts and plugs are provided. most installs take 1-2 hours with basic tools and reuse of OE gasket.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed at 19 x 14.5 x 5 inches
  • Weight: 17.6 lbs
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