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GMB 530-8900 Mechanical Fuel PumpOE Quality 60-Day Returns
Part #: 530-8900

GMB 530-8900 Mechanical Fuel Pump

21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Century, LeSabre, Riviera, Roadmaster, and Skylark
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GMB 530-8900 Mechanical Fuel Pump

The GMB 530-8900 mechanical fuel pump is built to meet or exceed OEM specifications for dependable fuel delivery in classic Buick applications. It is an OEM standard replacement for restoring proper fuel pressure and consistent engine operation in vintage Buick Riviera, Skylark, LeSabre, Century, and Roadmaster models.

Key Features

  • OEM standard construction for factory-style fit and function
  • Manufactured to meet or exceed OEM specifications
  • No gasket required for installation
  • Strainer not required
  • Direct replacement for select classic Buick fuel pump applications

Product Details

This mechanical fuel pump is engineered for classic Buick fuel system service where a reliable, engine-driven pump is required. The GMB 530-8900 supports original-equipment-style operation and is suited for restorations or maintenance on 1957-1965 Buick vehicles. This part cross-references Airtex Fuel Pumps 40371 and Carter M4553 for the same application.

Compatible With 1957-1958 Buick Century, N/A; 1957-1958 Buick Roadmaster, N/A; 1959-1964 Buick LeSabre, N/A; 1963-1965 Buick Riviera, N/A; and 1965 Buick Skylark, N/A. The 530-8900 part number is also referenced by 5308900, 6440371, B0151P, M23040, and SP1075MP interchange listings.

Common Fuel System Issues Addressed

  • Low fuel pressure at the carburetor
  • Hard starting after extended storage
  • Fuel starvation during normal driving
  • Inconsistent engine performance from a worn mechanical pump
  • Fuel delivery loss in original-style Buick fuel systems

Installation Notes

Verify engine and application details before installation, especially on classic Buick Riviera, Skylark, LeSabre, Century, and Roadmaster models. Confirm that the mounting surface is clean and that the fuel lines are in good condition before replacing the pump. Because no gasket is required, follow the vehicle-specific service procedure for proper sealing and torque.

Quality Assurance

GMB manufactures this fuel pump to OEM standard specifications for consistent replacement quality. The 530-8900 is built for applications where factory-style performance and dimensional accuracy matter in classic Buick fuel system service.

BrandGMB
Part Number530-8900
Gaskets IncludedNo gasket required
Item GradeOem standard
Strainer IncludedNot required

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1965BuickRiviera7.0LV8N/A
1965BuickRiviera6.6LV8N/A
1965BuickSkylark6.6LV8N/A
1964BuickLeSabre6.6LV8N/A
1964BuickLeSabre7.0LV8N/A
1964BuickRiviera6.6LV8N/A
1964BuickRiviera7.0LV8N/A
1963BuickLeSabre6.6LV8N/A
1963BuickRiviera7.0LV8N/A
1963BuickRiviera6.6LV8N/A
1962BuickLeSabre6.6LV8N/A
1961BuickLeSabre6.0LV8N/A
1961BuickLeSabre6.6LV8N/A
1960BuickLeSabre6.0LV8N/A
1960BuickLeSabre6.6LV8N/A
1959BuickLeSabre6.6LV8N/A
1959BuickLeSabre6.0LV8N/A
1958BuickCentury6.0LV8N/A
1958BuickRoadmaster6.0LV8N/A
1957BuickCentury6.0LV8N/A
1957BuickRoadmaster6.0LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

403715308900644037168506B0151PM23040M4553SP1075MP

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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