CSF 3983 *Discontinued
CSF 3983 *Discontinued
Part number: 9FCNF
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
CSF 3983 *Discontinued. Hoses, the thermostat and the cap age together, so they are often replaced as a group.
Specifications
- Part type: Cooling part
Fitment
This listing does not name specific vehicles. Match the part number and the specifications with the part you are replacing.
What it does
Leaks, overheating and a heater that blows cold are common signs of cooling trouble. A healthy cooling system keeps the engine at its working temperature; most cooling parts are replaced because of leaks, corrosion or a failed bearing or seal.
Installation & tips
- Flush and refill with the coolant type your engine needs, then bleed the air out.
- Coolant: Use the correct type.
- Thermostat: Cheap while the system is drained.
- 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
- Measure the part you are replacing and compare it with the specifications above.

Cooling part: what to know
Leaks, overheating and a heater that blows cold are common signs of cooling trouble.
Fitment notes
- Specs, lead time and warranty come from the manufacturer and supplier 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 fitmentWhat else to plan for
- Coolant. Use the correct type.
- Thermostat. Cheap while the system is drained.
More for your car: All Radiators · Cooling & heating
Questions about cooling part
Will this fit my car?
What coolant should I use?
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.