Uremco 14-4178 Carburetor

Uremco 14-4178 Carburetor Overview

Uremco 14-4178 is a replacement carburetor for select 1975-1976 GM applications using the M4MC/4MC setup. It is built for drivers restoring fuel delivery performance on classic Pontiac, Buick, and Oldsmobile vehicles with the correct carburetor configuration.

Key Features

• Replacement carburetor for air and fuel delivery service
• Direct fitment for select M4MC and 4MC applications
• Supports restoration and repair of original carburetion systems
• Fits select Pontiac, Buick, and Oldsmobile models from 1975-1976
• Part number: 14-4178

Detailed Description

This Uremco carburetor is intended for classic GM vehicles that originally used an M4MC or 4MC carburetor. It fits 1975-1976 Pontiac Bonneville, Catalina, Grand LeMans, Grand Prix, LeMans, Firebird, and Grand Am; 1976 Pontiac Laurentian and Parisienne; 1975 Buick LeSabre; and 1975 Oldsmobile 98, Custom Cruiser, and Delta 88. For buyers searching for a 1975 Pontiac Firebird carburetor, a 1976 Pontiac Grand Prix carburetor, or a 1975 Oldsmobile Delta 88 carburetor, Uremco 14-4178 matches the listed applications.

Common Repair Uses

• Hard starting caused by worn carburetor components
• Rough idle or unstable engine speed
• Poor throttle response during acceleration
• Fuel delivery issues related to an aging M4MC/4MC unit
• Restoration of original carburetion on classic GM vehicles

Installation Notes

Verify the existing carburetor type before ordering. This part is listed for M4MC and 4MC applications only, so matching the original unit and engine setup is important for proper installation and operation. Confirm all vacuum, linkage, and fuel line connections against the vehicle’s original configuration before final assembly. Part number 14-4178 should be checked against the vehicle application and carburetor identification tag when available.

Quality Assurance

Uremco replacement parts are selected for service applications where correct fitment matters. This carburetor is cataloged for the specific vehicle and carburetor combinations shown above, including Pontiac Bonneville, Pontiac Grand Prix, and Pontiac Firebird applications from the 1975-1976 model years.