Cometic
Cometic Dodge Cummins Diesel 4.188 inch Bore .061 inch MLX Headgasket
Cometic Dodge Cummins Diesel 4.188 inch Bore .061 inch MLX Headgasket
Part number: CGSC5955-061
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Listed for: Dodge Cummins DieselFitment notes & questions
4.188 inch Bore .061 inch MLX Headgasket from Cometic, listed for the Dodge Cummins Diesel. 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 Dodge Cummins Diesel
Listed for the Dodge Cummins Diesel. Check your year, model and trim against the title 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 (Dodge Cummins Diesel).

Cometic head gasket for the Dodge Cummins Diesel: 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: Dodge Cummins Diesel.
- 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? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
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: Dodge Parts · All Head Gaskets · Engine
Questions about Dodge Cummins Diesel head gasket
Will this fit my Dodge Cummins Diesel?
What are signs of a bad head gasket?
Should I resurface the cylinder head?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.