OE Quality
60-Day Returns

Mahle B45579 Engine Oil Pump Cover Gasket
Reliable Engine Oil Pump Cover Gasket for Classic GM Vehicles
The Mahle B45579 engine oil pump cover gasket is designed to provide a precise seal for your engine oil pump, helping maintain optimal oil pressure and prevent leaks. This gasket is compatible with a range of Buick, Chevrolet, Oldsmobile, and Pontiac models, including popular vehicles like the Chevrolet Malibu and Pontiac Firebird.
- Manufactured from durable paper gasket material for effective sealing
- Package includes one engine oil pump cover gasket (part number B45579)
- Compatible with multiple GM makes and models from the classic era
- Ensures proper sealing to maintain engine oil pressure and prevent leaks
Durable Paper Gasket Material for Effective Sealing
Constructed from high-quality paper material, the Mahle B45579 gasket offers reliable sealing performance for the engine oil pump cover. Paper gaskets are commonly used in engine sealing applications due to their ability to conform to mating surfaces and resist oil degradation. This gasket is designed to fit precisely, reducing the risk of oil leaks that can lead to engine damage or reduced performance.
Compatible With Buick, Chevrolet, Oldsmobile, and Pontiac Models
This engine oil pump cover gasket is compatible with a wide range of GM vehicles, including Buick models like the LeSabre and Century, Chevrolet models such as the Malibu and Monte Carlo, Oldsmobile vehicles including the Cutlass Supreme and Delta 88, and Pontiac models like the Firebird and Grand Prix. Using the correct gasket ensures proper fitment and reliable engine operation.
Common Applications and Issues Addressed
- Prevents oil leaks around the engine oil pump cover
- Maintains consistent oil pressure for engine lubrication
- Replaces worn or damaged gaskets causing oil seepage
- Helps avoid engine overheating due to oil loss
- Supports engine longevity by ensuring proper sealing
Installation Notes and Tips
Before installing the Mahle B45579 gasket, clean the mating surfaces thoroughly to remove old gasket material and oil residue. Ensure the gasket is properly aligned with the oil pump cover to avoid misalignment and potential leaks. Use appropriate torque specifications when securing the cover to prevent gasket damage.
Quality Assurance and Warranty
Mahle is a recognized manufacturer of engine components, and the B45579 gasket meets industry standards for fit and function. While specific warranty details are not provided, Mahle products are generally backed by quality control processes to ensure reliable performance in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.
| Brand | Mahle |
|---|---|
| Part Number | B45579 |
| Additional Package Contents | None |
| Gasket Material | Paper |
| Package Quantity | 1 |
This part fits 95 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1978 | Buick | Century | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Buick | Century | 3.2L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Buick | LeSabre | 5.7L | V8 | N/A | Paper; 1st Design |
| 1978 | Buick | LeSabre | 3.8L | V6 | N/A | Paper; 1st Design |
| 1978 | Buick | Regal | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Buick | Regal | 3.2L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Buick | Riviera | 5.7L | V8 | N/A | Paper; 1st Design |
| 1978 | Buick | Skyhawk | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Buick | Skylark | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Chevrolet | El Camino | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Chevrolet | Malibu | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Chevrolet | Monza | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Chevrolet | Monza | 3.2L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Oldsmobile | Cutlass Calais | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Oldsmobile | Cutlass Salon | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Oldsmobile | Starfire | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Pontiac | Bonneville | 5.7L | V8 | N/A | Paper; 1st Design |
| 1978 | Pontiac | Catalina | 5.7L | V8 | N/A | Paper; 1st Design |
| 1978 | Pontiac | Catalina | 3.8L | V6 | N/A | Paper; 1st Design |
| 1978 | Pontiac | Firebird | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Pontiac | Grand LeMans | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Pontiac | Grand Prix | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Pontiac | LeMans | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Pontiac | Phoenix | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1978 | Pontiac | Sunbird | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Buick | Century | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Buick | LeSabre | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Buick | Regal | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Buick | Skyhawk | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Buick | Skylark | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Oldsmobile | Cutlass | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Oldsmobile | Omega | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Oldsmobile | Starfire | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Pontiac | Catalina | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Pontiac | Firebird | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Pontiac | Grand LeMans | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Pontiac | LeMans | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1977 | Pontiac | Sunbird | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | Century | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | LeSabre | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | Regal | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | Skyhawk | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Buick | Skylark | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Oldsmobile | Starfire | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1976 | Pontiac | Sunbird | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1975 | Buick | Century | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1975 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1975 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1975 | Buick | Skyhawk | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1975 | Oldsmobile | Starfire | 3.8L | V6 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | Century | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | Century | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | Regal | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | Regal | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1974 | Pontiac | LeMans | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | Century | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | Century | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | Regal | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | Regal | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1973 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1972 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1972 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1972 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1972 | Buick | Skylark | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1971 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1971 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1971 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1971 | Buick | Skylark | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1971 | Buick | Skylark | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1970 | Buick | LeSabre | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1970 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1970 | Buick | Riviera | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1970 | Buick | Skylark | 7.5L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1970 | Buick | Skylark | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1969 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1969 | Buick | Riviera | 7.0L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1969 | Buick | Skylark | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1968 | Buick | LeSabre | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1968 | Buick | Riviera | 7.0L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1968 | Buick | Skylark | 6.6L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1968 | Buick | Skylark | 5.7L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1967 | Buick | Riviera | 7.0L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
| 1967 | Buick | Skylark | 6.6L | V8 | N/A | Not compatible with paper engine oil pan gasket. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.