Hygrade CPA144 Carburetor Choke Pull-Off

Reliable Carburetor Choke Pull-Off for Rochester 4, 2 bbl

The Hygrade CPA144 carburetor choke pull-off is designed to provide precise control of the choke mechanism on Rochester 4, 2 barrel carburetors. This part ensures smooth engine warm-up and improved drivability for select Buick, Oldsmobile, and Pontiac models.

• Compatible with Rochester 4, 2 bbl carburetors
• Fits Buick, Oldsmobile, and Pontiac vehicles including 98, Bonneville, Catalina, and more
• Part number CPA144 for easy identification and replacement
• Durable construction for consistent choke operation
• Direct replacement for factory choke pull-off units

Product Details and Compatibility

The Hygrade CPA144 carburetor choke pull-off is engineered specifically for Rochester 4, 2 barrel carburetors commonly found on classic American cars. This choke pull-off is compatible with a range of Buick models such as the 98, LeSabre, and Century, Oldsmobile models including the Delta 88 and Cutlass, as well as Pontiac vehicles like the Firebird, Grand Prix, and GTO. By controlling the choke plate vacuum, this component helps regulate the air-fuel mixture during engine warm-up, reducing stalling and rough idling.

Common Applications and Problem Resolution

• Prevents choke from sticking open or closed
• Reduces engine stalling during warm-up
• Improves cold start drivability on Rochester 4, 2 bbl carburetors
• Eliminates rough idle caused by faulty choke pull-off
• Restores proper vacuum advance function in carbureted engines

Installation Notes and Tips

Installation of the Hygrade CPA144 choke pull-off requires basic mechanical skills and familiarity with carburetor components. Ensure the engine is cool before removal. Disconnect the vacuum line and mounting screws from the old choke pull-off, then install the new unit in the same orientation. Verify vacuum hose connections are secure and free of leaks. After installation, test engine warm-up behavior to confirm proper choke operation.

Quality Assurance and Warranty

Hygrade manufactures the CPA144 choke pull-off to meet or exceed OEM specifications for fit and function. This part undergoes quality control inspections to ensure reliable performance. While specific warranty details may vary, Hygrade typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.