This BTR front timing cover gasket is recommended any time the front cover is removed from a GM LS-series engine. It can be used in place of GM part # 12633904, providing a fresh seal after removing the balancer and front cover.
- Part Number: BTR33904
- Application: GM LS-Series Engines
- GM Cross-Reference: 12633904
FAQ
What engines does this front cover gasket fit?
This gasket fits GM LS-series engines.
When should this gasket be replaced?
It should be replaced any time the front timing cover is removed, such as during a balancer service.
Is this a direct-fit replacement?
Yes, it can be used in place of GM part # 12633904.

