Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Carburetor - HOLLEY 4180-C 4-Bbl: Identification
The identification tag is attached to the carburetor. The tag contains the part number prefix and suffix. Basic part number for all carburetors is 9510. A design change code (if any) is stamped on the tag. An assembly date code (year, month and day) is also stamped on the tag.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.