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GMB 530-8900 Mechanical Fuel Pump
| Brand | GMB 530-8900 |
|---|---|
| Gaskets Included | No gasket required |
| Item Grade | Oem standard |
| Strainer Included | Not required |
| Fits | Buick · 21 vehicles |
OEM standard. Built to meet or exceed OEM specifications.
No gasket required. Simplifies installation with no separate gasket needed.
Mechanical fuel pump. Delivers reliable fuel delivery for the system.
Cross-references Airtex Fuel Pumps 40371, AP Exhaust 68506 and Carter M4553 for the same application. See all 8.
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.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1965 | Buick | Riviera | 7.0L | V8 | N/A | — |
| 1965 | Buick | Riviera | 6.6L | V8 | N/A | — |
| 1965 | Buick | Skylark | 6.6L | V8 | N/A | — |
| 1964 | Buick | LeSabre | 6.6L | V8 | N/A | — |
| 1964 | Buick | LeSabre | 7.0L | V8 | N/A | — |
| 1964 | Buick | Riviera | 6.6L | V8 | N/A | — |
| 1964 | Buick | Riviera | 7.0L | V8 | N/A | — |
| 1963 | Buick | LeSabre | 6.6L | V8 | N/A | — |
| 1963 | Buick | Riviera | 7.0L | V8 | N/A | — |
| 1963 | Buick | Riviera | 6.6L | V8 | N/A | — |
| 1962 | Buick | LeSabre | 6.6L | V8 | N/A | — |
| 1961 | Buick | LeSabre | 6.0L | V8 | N/A | — |
| 1961 | Buick | LeSabre | 6.6L | V8 | N/A | — |
| 1960 | Buick | LeSabre | 6.0L | V8 | N/A | — |
| 1960 | Buick | LeSabre | 6.6L | V8 | N/A | — |
| 1959 | Buick | LeSabre | 6.6L | V8 | N/A | — |
| 1959 | Buick | LeSabre | 6.0L | V8 | N/A | — |
| 1958 | Buick | Century | 6.0L | V8 | N/A | — |
| 1958 | Buick | Roadmaster | 6.0L | V8 | N/A | — |
| 1957 | Buick | Century | 6.0L | V8 | N/A | — |
| 1957 | Buick | Roadmaster | 6.0L | V8 | N/A | — |
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