Hygrade CPA177 Carburetor Choke Pull-Off

Hygrade CPA177 Carburetor Choke Pull-Off

Hygrade CPA177 is a carburetor choke pull-off for Rochester 4 Bbl. carbs. It is built for direct replacement service on a wide range of classic GM applications, including Buick LeSabre, Oldsmobile Cutlass Supreme, and Chevrolet Caprice models with Rochester carburetion.

Key Features

• Carburetor choke pull-off for Rochester 4 Bbl. carburetors
• Direct-fit service part for selected 1975-1990 GM vehicles
• Supports primary choke operation on Rochester-equipped engines
• Cross-reference: Carlson 7153
• Cross-reference: Dayco CP105
• Part number: CPA177

Application Details

Compatible With Rochester 4 Bbl. carburetor applications across Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Fits 1988-1990 Buick LeSabre, N/A; 1987-1990 Cadillac Brougham, N/A; 1988-1990 Chevrolet Caprice, N/A; 1975-1988 Oldsmobile Cutlass and related models, N/A; and 1977-1981 Pontiac full-size and intermediate models, N/A, where the notes list Rochester carburetor use and the matching carburetor codes.

Hygrade has served the automotive aftermarket since 1919, and this choke pull-off reflects that long-running carburetion focus. CPA177 is intended for Rochester 4-barrel carburetor service where the choke pull-off must respond correctly during cold start and warm-up operation. If you are replacing a worn Rochester choke pull-off on a Buick, Oldsmobile, Pontiac, Cadillac, or Chevrolet application, CPA177 provides a cataloged replacement path.

What It Helps Fix

• Hard cold starts caused by choke pull-off wear
• Stalling or rough idle during warm-up
• Choke plates that open too quickly or too slowly
• Rich running from improper choke control
• Driveability issues on Rochester 4 Bbl. carburetors

Installation Notes

Verify the carburetor make and model before installation. This part is listed for Rochester 4 Bbl. carburetors only, and fitment depends on the exact carburetor code shown in the application notes. Confirm the vehicle year, make, model, and emissions configuration against the fitment list before ordering. For best results, inspect the choke linkage, vacuum source, and related carburetor components during replacement.

Quality Assurance

Hygrade is a premier aftermarket carburetion manufacturer with coverage built around long-term service needs. CPA177 is cataloged as a replacement choke pull-off for supported Rochester applications and is backed by Hygrade’s carburetion-focused product coverage.