Cometic
Cometic Mazda BP DOHC 1.8L 85.5mm Bore .030 inch MLS Head Gasket
Cometic Mazda BP DOHC 1.8L 85.5mm Bore .030 inch MLS Head Gasket
Part number: CGSH3115SP4030S
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Listed for: Mazda BP DOHCFitment notes & questions
85.5mm Bore .030 inch MLS Head Gasket by Cometic, made to fit the Mazda BP DOHC with the 1.8L engine as listed below. Key specs: center bore 85.5 mm. 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.
Specifications
- Brand: Cometic
- Part type: Head gasket
- Engine: 1.8L
- Center bore: 85.5 mm
Fitment for the Mazda BP DOHC
Listed for the Mazda BP DOHC with the 1.8L engine. Check your year, model and trim against the title before you order.
What it does
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. 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
What size is it?
Center bore: 85.5 mm.
Which engine is it for?
It is listed for the 1.8L engine in the Mazda BP DOHC. Check the engine code on your vehicle if it was offered with more than one engine.
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.
Before you order
- Confirm your year, make, model, engine and trim match the fitment listed above (Mazda BP DOHC 1.8L).
Cometic head gasket for the Mazda BP DOHC: what to know
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.
Fitment notes
- Listed for: Mazda BP DOHC.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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 fitmentWhat else to plan for
- 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: Mazda Parts · All Head Gaskets · Engine
Questions about Mazda BP DOHC head gasket
Will this fit my Mazda BP DOHC?
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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