Hygrade CPA121 Carburetor Choke Pull-Off

Carburetor Choke Pull-Off for Rochester 4

Hygrade CPA121 is a brass carburetor choke pull-off for Rochester 4, 2-barrel applications. It is built for secondary choke control on select Buick models and supports consistent choke operation during cold starts and warm-up.

Key Features

• Carburetor make and model: Rochester 4, 2 Bbl
• Part finish: brass
• Electric assist: no
• Hygrade CPA121 replacement for Rochester carburetor service
• Direct fitment for select 1973-1974 Buick Century, LeSabre, Regal, and Riviera applications

Detailed Description

Hygrade CPA121 is a carburetor choke pull-off for Rochester 4, 2-barrel carburetors used on select 1973 and 1974 Buick vehicles. This component helps regulate choke opening during engine start-up and warm-up, supporting proper fuel delivery and throttle response in Rochester 2GV secondary applications. The brass finish provides a durable service part construction for carburetor repair and restoration work. Hygrade CPA121 is a practical choice when servicing a Rochester carburetor on Buick Century, LeSabre, Regal, or Riviera models.

This part cross-references 1C1072 and CP072 for the same application.

What It Helps Address

• Hard cold starts caused by choke pull-off wear
• Rough warm-up operation on Rochester 2GV carburetors
• Choke linkage response issues during secondary operation
• Stalling or hesitation related to improper choke control
• Carburetor service needs on 1973-1974 Buick Century, LeSabre, Regal, and Riviera

Installation Notes and Tips

Verify the Rochester carburetor number and application before installation. Confirm the pull-off matches the secondary setup listed for your vehicle and inspect related vacuum and choke linkage components during service. Use the vehicle and carburetor identification details to match the correct replacement before reassembly.

Quality Assurance

Hygrade has served the automotive aftermarket since 1919 and focuses on carburetion coverage and replacement quality for service applications.