Uremco 1-340 Carburetor

Uremco 1-340 Carburetor for 1980 GM Applications

Uremco 1-340 is a replacement carburetor for select 1980 Buick and Pontiac vehicles equipped with the M4MC carburetor. It is built for direct-fit service on listed applications and supports proper air and fuel delivery for drivability restoration.

Key Features

• Replacement carburetor for carburetion service
• Fits 1980 Buick LeSabre, N/A, Carburetor M4MC
• Fits 1980 Pontiac Bonneville, N/A, Carburetor M4MC
• Fits 1980 Pontiac Catalina, N/A, Carburetor M4MC
• Fits 1980 Pontiac Laurentian, N/A, Carburetor M4MC
• Fits 1980 Pontiac Parisienne, N/A, Carburetor M4MC
• Uremco part number 1-340 for application matching

Application Details

This carburetor is specified for 1980 Buick LeSabre and 1980 Pontiac Bonneville, Catalina, Laurentian, and Parisienne models with the M4MC carburetor setup. Use Uremco 1-340 when replacing a worn or malfunctioning carburetor on these listed vehicles. The part number 1-340 is useful when verifying the correct replacement before service.

Common Issues Addressed

• Hard starting caused by carburetor wear or internal leakage
• Rough idle from fuel metering problems
• Poor throttle response during acceleration
• Fuel delivery inconsistency at the carburetor
• Driveability concerns tied to an aging M4MC unit

Installation Notes

Confirm the vehicle’s original carburetor type before ordering and match the listed M4MC application exactly. Inspect the intake mounting surface, fuel line condition, vacuum connections, and linkage operation during installation. After replacement, verify idle speed, mixture settings, and choke operation according to the vehicle service procedure.

Quality Assurance

Uremco supplies replacement carburetion components for service applications, and this part is cataloged for the specific vehicle fitments shown above.