Hygrade CPA162 Carburetor Choke Pull-Off

Hygrade CPA162 Carburetor Choke Pull-Off

Hygrade CPA162 is a carburetor choke pull-off for Rochester 4-barrel carburetors. It is built for 1977 Buick, Oldsmobile, and Pontiac applications that use Rochester M4MC carburetion, including secondary-side service on listed vehicles.

Key Features

• Carburetor choke pull-off for Rochester 4 Bbl. carbs
• Direct application coverage for 1977 Buick, Oldsmobile, and Pontiac models
• Supports Rochester M4MC carburetor service on listed vehicles
• Application-specific fitment for secondary-side use where noted
• Hygrade part number CPA162 for easy identification

Detailed Description

Hygrade CPA162 is a Rochester 4-barrel carburetor choke pull-off used in carburetion service on select 1977 Buick Century, LeSabre, Regal, Riviera, and Skylark; Oldsmobile 98, Custom Cruiser, Cutlass, Cutlass Salon, Cutlass Supreme, Delta 88, Omega, and Toronado; and Pontiac Bonneville, Catalina, Firebird, Grand LeMans, Grand Prix, LeMans, and Phoenix models. This part is specified for Rochester M4MC carburetors and matches the listed OE-style applications for secondary operation. Hygrade has supplied automotive aftermarket carburetion parts since 1919, with coverage focused on replacement needs for classic carburetor systems.

This part cross-references Standard Ignition CP123 for the same application.

What It Is Used For

• Restoring choke pull-off function on Rochester 4 Bbl. carburetors
• Correcting choke response during cold-start operation
• Addressing rough cold idle caused by choke pull-off wear
• Replacing a failed secondary-side choke pull-off on listed 1977 vehicles
• Maintaining proper carburetor transition on Rochester M4MC setups

Installation Notes and Tips

Verify the carburetor make and model before installation. Confirm Rochester M4MC identification and compare the original part number and application notes against the vehicle listing. For best results, inspect choke linkage, vacuum passages, and related carburetor components during service.

Quality Assurance

Hygrade positions this part within its long-running automotive aftermarket carburetion coverage, with product support aimed at matching listed Rochester applications and OE-style replacement needs.