This rubber O-ring seals the camshaft thrust plate on GM LS-Series engine blocks. It is a direct service replacement sold individually.
Specifications:
- Type: O-ring seal
- Location: camshaft thrust plate
- Material: rubber
- Quantity: each
- Part number: 19166178
Applications:
- GM LS-Series engines (camshaft thrust plate sealing)
FAQ
What does this O-ring seal?
It seals the camshaft thrust plate area on GM LS-Series engine blocks to prevent oil leakage.
Is this sold as a single piece?
Yes. Part number 19166178 is sold individually, one O-ring per order.
What material is the O-ring made from?
It is a rubber O-ring designed for the LS-Series camshaft thrust plate location.

