Homeβ€Ί Engine > Gaskets and Sealing Systemsβ€Ί Mahle B45579 Engine Oil Pump Cover Gasket
Part #: B45579

Mahle B45579 Engine Oil Pump Cover Gasket

95 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
$13.63Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock Β· Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement β€” Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Bonneville, Catalina, Century, Cutlass, Cutlass Calais, Cutlass Salon, Cutlass Supreme, Delta 88, El Camino, Firebird, Grand LeMans, Grand Prix, LeMans, LeSabre, Malibu, Monte Carlo, Monza, Omega, Phoenix, Regal, Riviera, Skyhawk, Skylark, Starfire, and Sunbird
Easy Returns β€” Return within 60 days for a full refund
Fast Shipping β€” Most orders ship same business day before 1pm CST

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.

BrandMahle
Part NumberB45579
Additional Package ContentsNone
Gasket MaterialPaper
Package Quantity1

This part fits 95 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1978BuickCentury3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978BuickCentury3.2LV6N/ANot compatible with paper engine oil pan gasket.
1978BuickLeSabre5.7LV8N/APaper; 1st Design
1978BuickLeSabre3.8LV6N/APaper; 1st Design
1978BuickRegal3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978BuickRegal3.2LV6N/ANot compatible with paper engine oil pan gasket.
1978BuickRiviera5.7LV8N/APaper; 1st Design
1978BuickSkyhawk3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978BuickSkylark3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978ChevroletEl Camino3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978ChevroletMalibu3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978ChevroletMonte Carlo3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978ChevroletMonza3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978ChevroletMonza3.2LV6N/ANot compatible with paper engine oil pan gasket.
1978OldsmobileCutlass Calais3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978OldsmobileCutlass Salon3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978OldsmobileCutlass Supreme3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978OldsmobileDelta 883.8LV6N/ANot compatible with paper engine oil pan gasket.
1978OldsmobileStarfire3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978PontiacBonneville5.7LV8N/APaper; 1st Design
1978PontiacCatalina5.7LV8N/APaper; 1st Design
1978PontiacCatalina3.8LV6N/APaper; 1st Design
1978PontiacFirebird3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978PontiacGrand LeMans3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978PontiacGrand Prix3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978PontiacLeMans3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978PontiacPhoenix3.8LV6N/ANot compatible with paper engine oil pan gasket.
1978PontiacSunbird3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977BuickCentury3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977BuickLeSabre3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977BuickRegal3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977BuickSkyhawk3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977BuickSkylark3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977OldsmobileCutlass3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977OldsmobileCutlass Supreme3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977OldsmobileDelta 883.8LV6N/ANot compatible with paper engine oil pan gasket.
1977OldsmobileOmega3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977OldsmobileStarfire3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977PontiacCatalina3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977PontiacFirebird3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977PontiacGrand LeMans3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977PontiacLeMans3.8LV6N/ANot compatible with paper engine oil pan gasket.
1977PontiacSunbird3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976BuickCentury3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1976BuickLeSabre3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976BuickRegal3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1976BuickSkyhawk3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976BuickSkylark3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976OldsmobileStarfire3.8LV6N/ANot compatible with paper engine oil pan gasket.
1976PontiacSunbird3.8LV6N/ANot compatible with paper engine oil pan gasket.
1975BuickCentury3.8LV6N/ANot compatible with paper engine oil pan gasket.
1975BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1975BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1975BuickSkyhawk3.8LV6N/ANot compatible with paper engine oil pan gasket.
1975OldsmobileStarfire3.8LV6N/ANot compatible with paper engine oil pan gasket.
1974BuickCentury7.5LV8N/ANot compatible with paper engine oil pan gasket.
1974BuickCentury5.7LV8N/ANot compatible with paper engine oil pan gasket.
1974BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1974BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1974BuickRegal7.5LV8N/ANot compatible with paper engine oil pan gasket.
1974BuickRegal5.7LV8N/ANot compatible with paper engine oil pan gasket.
1974BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1974PontiacLeMans5.7LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickCentury7.5LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickCentury5.7LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickRegal7.5LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickRegal5.7LV8N/ANot compatible with paper engine oil pan gasket.
1973BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1972BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1972BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1972BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1972BuickSkylark5.7LV8N/ANot compatible with paper engine oil pan gasket.
1971BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1971BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1971BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1971BuickSkylark7.5LV8N/ANot compatible with paper engine oil pan gasket.
1971BuickSkylark5.7LV8N/ANot compatible with paper engine oil pan gasket.
1970BuickLeSabre7.5LV8N/ANot compatible with paper engine oil pan gasket.
1970BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1970BuickRiviera7.5LV8N/ANot compatible with paper engine oil pan gasket.
1970BuickSkylark7.5LV8N/ANot compatible with paper engine oil pan gasket.
1970BuickSkylark5.7LV8N/ANot compatible with paper engine oil pan gasket.
1969BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1969BuickRiviera7.0LV8N/ANot compatible with paper engine oil pan gasket.
1969BuickSkylark5.7LV8N/ANot compatible with paper engine oil pan gasket.
1968BuickLeSabre5.7LV8N/ANot compatible with paper engine oil pan gasket.
1968BuickRiviera7.0LV8N/ANot compatible with paper engine oil pan gasket.
1968BuickSkylark6.6LV8N/ANot compatible with paper engine oil pan gasket.
1968BuickSkylark5.7LV8N/ANot compatible with paper engine oil pan gasket.
1967BuickRiviera7.0LV8N/ANot compatible with paper engine oil pan gasket.
1967BuickSkylark6.6LV8N/ANot 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:

70032

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