Product Description
Michigan Motorsports LS Rear Main Crank Cover Seal – Replaces 89060436
Fits 4.8L, 5.3L, 5.7L, 6.0L, 6.2L LS Engines – LS1, LS2, LS3, LQ4, LQ9
The Michigan Motorsports LS Rear Main Crank Cover Seal is a high-quality replacement for GM part number 89060436, designed to provide a precise, leak-free fit on all Gen III and Gen IV LS-based engines. Engineered for durability and long service life, this rear main seal ensures reliable sealing performance to prevent oil leaks and maintain proper crankcase pressure. Whether performing routine maintenance or a full engine rebuild, this seal is the dependable solution to restore factory-level performance and reliability. For easy and accurate installation, pair it with the Michigan Motorsports rear main seal installation tool (Item D1100).
Key Features:
- Direct replacement for GM part number 89060436
- Provides an OEM-quality seal for all LS-based engines
- Prevents oil leaks and maintains proper crankcase sealing
- Constructed from premium materials for long-lasting reliability
- Compatible with Michigan Motorsports rear main seal installation tool (Item D1100)
- Ideal for maintenance, rebuilds, or LS engine swaps
Engine Fitment:
- 4.8L LS Engines
- 5.3L LS Engines
- 5.7L LS1 Engines
- 6.0L LS2 / LQ4 / LQ9 Engines
- 6.2L LS3 Engines
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Product Reviews
3 Reviews Hide Reviews Show Reviews
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Ls rear main seal
Shipping was fast and simple with the provided shipping info, the seal it’s self arrived undamaged and installation was a breeze, I highly recommend ordering anything from Michigan motorsports
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Rear main seal
Great part available for LS engines.
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Main seal
Made the job easy.
