GMB 530-8140 Mechanical Fuel Pump

Mechanical Fuel Pump for Classic GM Applications

The GMB 530-8140 is a mechanical fuel pump built to meet or exceed OEM specifications for classic Buick, Oldsmobile, Chevrolet, and Pontiac applications. It is an OEM standard replacement for 2-line pump and select open-loop applications across a wide range of 1970s and 1980s vehicles.

• Mechanical fuel pump for air and fuel delivery systems
• OEM standard item grade for factory-style replacement
• No gasket required
• Strainer not required
• Manufactured to meet or exceed OEM specifications

Fitment and Cross-Reference

Compatible with a broad range of classic GM vehicles, including Fits 1981-1989 Buick LeSabre, N/A and Fits 1980-1985 Buick Riviera, N/A. This part number 530-8140 also matches applications such as Fits 1984 Oldsmobile 98, N/A and Fits 1970-1982 Oldsmobile Cutlass Supreme, N/A.

This part cross-references Carter M6108 and Delphi MF0024 for the same application.

• Fits 1981-1989 Buick LeSabre, N/A; 2 Line Pump
• Fits 1977-1978 Buick LeSabre, N/A; 2 Line Pump
• Fits 1980-1985 Buick Riviera, N/A; 2 Line Pump
• Fits 1977 Buick Riviera, N/A; 2 Line Pump
• Fits 1984 Oldsmobile 98, N/A; Open Loop / 2 Line Pump
• Fits 1984 Oldsmobile Delta 88, N/A; Open Loop / 2 Line Pump
• Fits 1984 Oldsmobile Toronado, N/A; Open Loop / 2 Line Pump
• Fits 1980-1983 Oldsmobile 98, N/A; 2 Line Pump
• Fits 1970-1974 Oldsmobile 98, N/A; 2 Line Pump
• Fits 1980-1983 Oldsmobile Custom Cruiser, N/A; 2 Line Pump
• Fits 1971-1974 Oldsmobile Custom Cruiser, N/A; 2 Line Pump
• Fits 1977-1983 Oldsmobile Delta 88, N/A; 2 Line Pump
• Fits 1970-1974 Oldsmobile Delta 88, N/A; 2 Line Pump
• Fits 1983, 1980-1981, and 1970-1971 Oldsmobile Toronado, N/A; 2 Line Pump
• Fits 1978-1982 Oldsmobile Cutlass Calais, N/A; 2 Line Pump
• Fits 1980-1982 Oldsmobile Cutlass Cruiser, N/A; 2 Line Pump
• Fits 1970-1982 Oldsmobile Cutlass Supreme, N/A; 2 Line Pump
• Fits 1970-1981 Oldsmobile Cutlass, N/A; 2 Line Pump
• Fits 1975-1980 Oldsmobile Cutlass Salon, N/A; 2 Line Pump
• Fits 1977 Buick Century, N/A; 2 Line Pump / w/o AC
• Fits 1977 Buick Regal, N/A; 2 Line Pump / w/o AC
• Fits 1977 Chevrolet P10, N/A; 2 Line Pump
• Fits 1976 Chevrolet P20, N/A; 2 Line Pump
• Fits 1976 Chevrolet P30, N/A; 2 Line Pump
• Fits 1977 Oldsmobile Custom Cruiser, N/A; 3 Line Pump / 3 Line Pump; 2 Line Pump
• Fits 1977 Oldsmobile Delta 88, N/A; 3 Line Pump / 3 Line Pump; 2 Line Pump
• Fits 1977 Oldsmobile Omega, N/A; 2 Line Pump
• Fits 1977 Pontiac Bonneville, N/A; 2 Line Pump / w/o AC
• Fits 1977 Pontiac Catalina, N/A; 2 Line Pump / w/o AC
• Fits 1977 Pontiac Firebird, N/A; 2 Line Pump
• Fits 1977 Pontiac Grand LeMans, N/A; 2 Line Pump
• Fits 1977 Pontiac Grand Prix, N/A; 2 Line Pump
• Fits 1977 Pontiac LeMans, N/A; 2 Line Pump

Common Uses

• Restoring fuel delivery on carbureted Buick LeSabre and Buick Riviera models
• Replacing a worn pump on Oldsmobile 98, Delta 88, Cutlass, or Toronado vehicles
• Addressing hard-start or fuel starvation complaints on classic GM V8 applications
• Restoring proper fuel pressure on 2-line pump systems
• Replacing an OE-style mechanical pump during engine service or restoration

Installation Notes and Quality

Verify the vehicle’s fuel system layout before installation, especially 2-line versus 3-line pump configurations and open-loop notes. This pump uses no gasket requirement and does not require a strainer, which simplifies parts selection during service. GMB manufactures this 530-8140 pump to OEM standard specifications for consistent fit and function in classic GM fuel systems.

Quality assurance is based on OEM-standard construction and manufacturer specification compliance.