Michigan Motorsports LS Rear Main Crank Cover Seal | Replaces GM 89060436 | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines LS1 LS2 LS3 LQ9 LQ4 | Quality Replacement Rear Main Seal for GM LS Applications

The Michigan Motorsports LS Rear Main Crank Cover Seal is a premium-quality replacement for GM part number 89060436, designed to restore a leak-free seal on 4.8L–6.2L LS engines. Manufactured to precise OE specifications, this seal ensures proper crankshaft alignment and long-lasting oil sealing performance. Whether you’re replacing a worn factory seal during a rebuild, or addressing an oil leak at the rear main area, this seal provides dependable performance and an exact fit. Constructed from durable, high-temperature-resistant materials, it’s built to handle the rigors of daily driving, towing, or high-performance use. Michigan Motorsports ensures every seal meets stringent quality control standards for a perfect fit and long service life. This is the ideal solution for LS-based car, truck, or SUV applications looking to maintain OEM reliability without the OEM price.

• Direct OEM Replacement – Replaces GM part 89060436, providing an exact fit for 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS engines without modification.
• Superior Leak Prevention – High-quality elastomer design ensures a long-lasting, oil-tight seal around the crankshaft to prevent rear main leaks.
• Durable Construction – Built with premium materials to resist heat, pressure, and oil breakdown, ensuring lasting performance and reliability.
• Ideal for Rebuilds or Repairs – Perfect for stock rebuilds, LS swaps, or maintenance jobs requiring a new rear main crank seal.
• Fits Wide Range of LS Engines – Compatible with LS1, LS2, LS3, LQ4, LQ9, and other 4.8L–6.2L Gen III/IV LS-based engines found in cars, trucks, and SUVs.