Uremco URC-M640 Carburetor

Uremco URC-M640 Carburetor for Mazda B2000

The Uremco URC-M640 is a carburetor for select 1983-1984 Mazda B2000 applications with Federal emissions equipment and three base vacuum lines near the fuel mixture screw. It is built for direct replacement use on the specified Mazda B2000 fitment and supports accurate fuel delivery for carbureted engine systems.

Key Features

• Brand: Uremco
• Part number: URC-M640
• Carburetor for air and fuel delivery service
• Fits 1983-1984 Mazda B2000, Federal, with 3 base vacuum lines near the fuel mixture screw
• Application-specific fitment for carbureted Mazda B2000 models

Product Details

URC-M640 is a replacement carburetor for the 1983-1984 Mazda B2000 in the Federal configuration noted in the fitment data. If you are searching for a Mazda B2000 carburetor replacement, URC-M640 provides a direct-match option for the listed vehicle setup. The part number URC-M640 should be verified against the existing carburetor layout, especially the three base vacuum lines near the fuel mixture screw, before ordering.

Common Issues This Part Can Address

• Hard starting caused by carburetor wear or internal fuel metering problems
• Rough idle from inconsistent air-fuel mixture control
• Stalling related to a failing carburetor assembly
• Poor throttle response from worn carburetor components
• Fuel delivery irregularities in a carbureted Mazda B2000

Installation Notes and Tips

Confirm the vehicle is a 1983-1984 Mazda B2000 with Federal emissions configuration and the specified three base vacuum lines near the fuel mixture screw. Compare the original carburetor layout, vacuum routing, and mounting points before installation. After replacement, inspect for vacuum leaks, verify idle quality, and adjust the fuel mixture and idle settings to factory specifications.

Quality Assurance

Uremco supplies replacement parts for automotive service applications, and URC-M640 is cataloged for the listed Mazda B2000 fitment. This part cross-references no additional part numbers in the provided data.