Rear Main Seal Kit For GM V8 Engines 4.8L 5.3L 6.0L 6.2L Fits Chevy Tahoe Suburban Silverado Express Avalanche Cadillac Escalade GMC Yukon Sierra Savana Replacement Replaces 635518 12633579 12639250

GM Rear Main Seal Kit for Tahoe & Silverado (single kit)
✔️ Die-cast aluminum rear main seal cover kit with gasket and hardware

This rear main seal cover kit is designed for GM trucks and SUVs, including Tahoe, Suburban, Silverado, Express vans, Avalanche, Escalade, Yukon, Sierra, Savana. It replaces part numbers 635-518, 12633579, 12639250. Built from durable die-cast aluminum for a leak-free fit, it includes a gasket, installation hardware, and an updated seal design to ensure reliable sealing during operation.

✅ Die-cast aluminum housing delivers durable, leak-free seal
✅ Includes gasket, installation hardware, and updated seal design
✅ Replaces part numbers 635-518, 12633579, 12639250
✅ Fits GM 4.8L, 5.3L, 6.0L, 6.2L V8 engines across listed models

💡 What is a rear main seal kit used for?

This kit helps seal the rear main area on GM V8 engines, preventing oil leaks and protecting the engine. - Handy for GM trucks and SUVs - Includes gasket, hardware, and updated seal design for easy install - Helps keep oil in the engine and extend engine life