aFe · New
aFe Pro Series GMCH 9.5 Rear Diff Cover Black w/ Machined Fins 19-20 GM Silverado/Sierra 1500
MPN 46-71140B · Store SKU afe46-71140B
Supplier stock checked 11/7/2026, 6:28:03 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
This cover has an increased oil capacity over stock for better performance over a longer duration. Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. This cover incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection. A calibration plug is set to the factory oil level to prevent overfilling. A pre-installed oil level sight glass allows quick and easy oil inspection. Pro Series Rear Differential Cover Black w/ Machined Fins GM Gas Trucks/SUVs 19-26 (GMCH 9.5) Pro Series Rear Differential Cover Black w/ Machined Fins
Manufacturer fitment & guides
Check 46-71140B against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y