Cometic
Cometic BMW 1990cc 86-92 93.4mm .040 inch MLS Head Gasket S14B20/B23 Engine
Cometic BMW 1990cc 86-92 93.4mm .040 inch MLS Head Gasket S14B20/B23 Engine
Part number: CGSC4294-040
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- Free fitment check before you order
Listed for: BMW 1990ccFitment notes & questions
93.4mm .040 inch MLS Head Gasket S14B20/B23 Engine by Cometic, made to fit the 1986–1992 BMW 1990cc as listed below. A failed head gasket can mix coolant and oil, push coolant out of the system or cause overheating, so it is a job worth doing once and doing right.
Specifications
- Brand: Cometic
- Part type: Head gasket
Fitment for the 1986–1992 BMW 1990cc
- 1988-1991 BMW M3 Base
Check your year, model, engine and trim against this list before you order.
What it does
The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages. Using the correct part for your exact engine keeps oil pressure, sealing and timing where the engine was designed to run, and doing related parts at the same time saves taking it apart twice.
Installation & tips
- Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.
- Head bolts: Many engines use torque-to-yield head bolts that should not be reused.
- Coolant: Refill with the coolant type your engine calls for.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Confirm your year, make, model and trim match the fitment listed above (1986–1992 BMW 1990cc).
Good to know
- Warranty: Warranty
About this head gasket for the BMW 1990cc
Head gasket jobs take the top of the engine apart, which is why most people replace the related gaskets and bolts at the same time.
Fitment notes
- Listed for: BMW 1990cc.
- 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? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
- Coolant. Refill with the coolant type your engine calls for.
- Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.
More for your car: BMW Parts · All Head Gaskets · Engine
Questions about BMW 1990cc head gasket
Will this fit my BMW 1990cc?
What are signs of a bad head gasket?
Should I resurface the cylinder head?
Where do specs and warranty details come from?
Questions & answers
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