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12_3c12ec8d-b1b4-4f78-b2d2-632a02a380e1 - Northline Parts

8.5“ & 8.6” Ring Gear 10Bolt Cast GM Differential Cover For Silverado 1500 88-99

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$83.99
Sale price  $83.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

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8.5“ & 8.6” Ring Gear 10Bolt Cast GM Differential Cover For Silverado 1500 88-99

Protect your vehicle's drivetrain with this heavy-duty cast differential cover. Designed as a premium aftermarket replacement for GM 8.5" and 8.6" 10-bolt rear ends, this cover provides significantly better protection than thin stamped-steel factory units. Its rugged construction helps dissipate heat and safeguards your internal gears from road debris and harsh conditions, ensuring your Silverado remains reliable on and off the road.

Key Features & Benefits

  • Heavy-duty cast construction for maximum durability and impact resistance.
  • Precision-engineered 10-bolt mounting pattern ensures a secure, leak-free fit.
  • Specifically designed for GM 8.5" and 8.6" ring gear applications.
  • Enhanced heat dissipation to help extend the life of your differential fluid and gears.
  • High-quality aftermarket replacement that meets or exceeds standard performance requirements.

Compatible Models

  • Chevrolet Silverado 1500 (1988-1999)
  • GMC Sierra 1500 (1988-1999)
  • Various GM vehicles equipped with the 10-bolt 8.5" or 8.6" rear differential

Product Specifications

  • Part Type: Differential Cover
  • Compatibility: GM 8.5" & 8.6" Ring Gears
  • Bolt Pattern: 10-Bolt
  • Material: Durable Cast Metal
  • Style: Premium Aftermarket Replacement

Frequently Asked Questions

Is this an OEM part? No, this is a high-quality aftermarket part designed to replace the original equipment component while providing excellent fit and function.

How do I confirm compatibility? You can confirm fitment by verifying that your vehicle has a GM 10-bolt rear differential with an 8.5" or 8.6" ring gear and matches the year range of the Silverado 1500 models listed.


Important: This is an aftermarket replacement part sold by Northline Tools. It is not made by the original equipment manufacturer unless specifically stated. Brand names, model names, and part numbers are used only to identify compatibility. Please compare your original part, photos, and fitment details before ordering.

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