The Story
Hygrade Carburetor Choke Pull-Off for Buick Models
The Hygrade CPA121 carburetor choke pull-off is designed specifically for Rochester 4, 2 bbl carburetors. This brass-finished component is compatible with several Buick vehicles, including the Century, LeSabre, Regal, and Riviera models. It provides reliable choke operation without electric assist, ensuring smooth engine performance.
Key Features of Hygrade CPA121 Carburetor Choke Pull-Off
- Compatible with Rochester 4, 2 bbl carburetors
- Brass finish for durability and corrosion resistance
- Non-electric assist design for straightforward operation
- Fits Buick Century, LeSabre, Regal, and Riviera models
- OEM-quality replacement part number CPA121
Detailed Product Description
The Hygrade CPA121 carburetor choke pull-off is engineered to work with Rochester 4, 2 bbl carburetors commonly found on classic Buick vehicles. Its brass finish offers enhanced resistance to wear and environmental factors, contributing to long-lasting performance. This choke pull-off operates without electric assist, relying on vacuum to regulate the choke plate during engine warm-up. The part is a direct replacement for the original equipment, ensuring proper fit and function on Buick Century, LeSabre, Regal, and Riviera models.
Common Applications and Problem Resolution
- Improves choke plate movement for better cold starts
- Eliminates issues with sticking or slow choke pull-off response
- Restores proper air-fuel mixture during engine warm-up
- Prevents rough idling caused by choke malfunctions
- Addresses vacuum leaks related to faulty choke pull-off units
Installation Notes and Tips
When installing the Hygrade CPA121 choke pull-off, ensure the carburetor is clean and free of debris. Verify vacuum lines are intact and properly connected to avoid leaks. This part is designed for Rochester 4, 2 bbl carburetors, so confirm compatibility with your Buick model before installation. No electric assist wiring is required, simplifying the replacement process.
Quality Assurance and Warranty
Hygrade manufactures the CPA121 choke pull-off to meet or exceed OEM specifications. The brass finish enhances durability and corrosion resistance. While specific warranty details are not provided, Hygrade parts are known for consistent quality and reliable performance in automotive carburetion applications.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Hygrade Carburetor Choke Pull-Off for Buick Models
The Hygrade CPA121 carburetor choke pull-off is designed specifically for Rochester 4, 2 bbl carburetors. This brass-finished component is compatible with several Buick vehicles, including the Century, LeSabre, Regal, and Riviera models. It provides reliable choke operation without electric assist, ensuring smooth engine performance.
Key Features of Hygrade CPA121 Carburetor Choke Pull-Off
- Compatible with Rochester 4, 2 bbl carburetors
- Brass finish for durability and corrosion resistance
- Non-electric assist design for straightforward operation
- Fits Buick Century, LeSabre, Regal, and Riviera models
- OEM-quality replacement part number CPA121
Detailed Product Description
The Hygrade CPA121 carburetor choke pull-off is engineered to work with Rochester 4, 2 bbl carburetors commonly found on classic Buick vehicles. Its brass finish offers enhanced resistance to wear and environmental factors, contributing to long-lasting performance. This choke pull-off operates without electric assist, relying on vacuum to regulate the choke plate during engine warm-up. The part is a direct replacement for the original equipment, ensuring proper fit and function on Buick Century, LeSabre, Regal, and Riviera models.
Common Applications and Problem Resolution
- Improves choke plate movement for better cold starts
- Eliminates issues with sticking or slow choke pull-off response
- Restores proper air-fuel mixture during engine warm-up
- Prevents rough idling caused by choke malfunctions
- Addresses vacuum leaks related to faulty choke pull-off units
Installation Notes and Tips
When installing the Hygrade CPA121 choke pull-off, ensure the carburetor is clean and free of debris. Verify vacuum lines are intact and properly connected to avoid leaks. This part is designed for Rochester 4, 2 bbl carburetors, so confirm compatibility with your Buick model before installation. No electric assist wiring is required, simplifying the replacement process.
Quality Assurance and Warranty
Hygrade manufactures the CPA121 choke pull-off to meet or exceed OEM specifications. The brass finish enhances durability and corrosion resistance. While specific warranty details are not provided, Hygrade parts are known for consistent quality and reliable performance in automotive carburetion applications.


















