Cometic
Cometic GM Gen-3 Small Block V8 Knock Sensor Seal - 2 Pack
Cometic GM Gen-3 Small Block V8 Knock Sensor Seal - 2 Pack
Part number: CGSC15035
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
GM Gen-3 Small Block V8 Knock Sensor Seal by Cometic. Check the part number and details below against what you are replacing. Seals keep oil in where a shaft passes through a housing, such as the crankshaft or camshaft ends.
Quick facts
- Brand: Cometic
- Part type: Seal
Listed fitment
- 2001-2004 Avanti II Base
- 1998-2002 Chevrolet Camaro Z28
- 1998-2002 Chevrolet Camaro Z28 SS
- 2003 Chevrolet Corvette 50th Anniversary Edition
- 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
- 1997-2004 Chevrolet Corvette Base
- 1998 Chevrolet Corvette Indianapolis 500 Pace Car
- 1998-2002 Pontiac Firebird Formula
- 1998-2002 Pontiac Firebird Trans Am
- 2004 Pontiac GTO Base
Tip: Lightly oil the seal lip before installation and press it in square so it does not cock or fold.

Before you order: fitment and what to plan
Seals keep oil in where a shaft passes through a housing, such as the crankshaft or camshaft ends.
Fitment notes
- Specs, lead time and warranty come from Cometic and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Timing parts. Front crank and cam seals sit behind the timing belt or chain, so they are often done together.
More for your car: Batteries & electrical · All Crankshaft Seals · Engine
Questions about seal
Will this fit my car?
How do I know a seal is leaking?
Where do specs and warranty details come from?
Questions & answers
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