High-quality, replacement gasket for the rear crankshaft seal housing on LS-series engines. Made to OE specs for a perfect fit and reliable seal—ideal for rebuilds or maintenance. Designed to mate the rear cover tightly to the engine block to prevent oil leaks.

Key Features:
• Gasket for maximum fit and reliability 
• Compatible with all LS-series engines, including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and more 
• Direct replacement for part numbers 12553460, 12559769, 12574293, 12633578, etc.