Aluminum 10 Bolt Diff Cover For 8.5 And 8.6 Inch Ring Gear Fits Chevy GMC 1500 Sierra Silverado Camaro Beefed Up Rear End Upgrade Cast Differential Cover OE Replacement

Aluminum 10-Bolt Diff Cover for 8.5/8.6 in Ring Gear
✔️ Heavy-duty aluminum diff cover for 8.5/8.6 inch gears; OE replacement

This aluminum diff cover is designed to upgrade GM rear axles with 8.5 and 8.6 inch ring gears, providing solid protection for the differential and sealing capability for oil and debris under load. It replaces OE covers to seal and protect the rear-end components.

✅ OE replacement part numbers HRCGM85BK, F522-DC8586-M7
✅ Fits GM intermediates (1964-1995) and 1/2 ton 2WD/4WD rear axles with 8.5 RG
✅ Compatible with 1988-1999 Camaro Z28/IROC with 8.5 inch ring gear
✅ Black aluminum 10-bolt diff cover, cast construction for durability
✅ Pack size: single unit

💡 What is a diff cover used for in automotive rear axles?

It protects the ring gear and helps retain lubrication, handy for GM 8.5/8.6 in axles.

• Protects ring gear from debris and keeps oil in place
• Handy upgrade for GM 8.5/8.6 in rear axles in trucks and performance cars
• Supports longer gear life under high-load conditions

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