HomeDriveline and Axles > Gaskets and Sealing SystemsMahle P27939 Axle Housing Cover Gasket
Part #: P27939

Mahle P27939 Axle Housing Cover Gasket

35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Bel Air, Camaro, Caprice, El Camino, Impala, Monte Carlo, and Nova
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Axle Housing Cover Gasket for GM Applications

The Mahle P27939 axle housing cover gasket is an OEM-standard sealing solution for rear axle service. Built from paper gasket material, it helps restore a clean seal at the axle cover on select Chevrolet and GMC vehicles, including classic Chevrolet Nova, El Camino, Monte Carlo, Camaro, Impala, and GMC G15/G1500 Van applications.

Key Features

  • Paper gasket material for axle housing cover sealing
  • OEM Standard item grade for service replacement use
  • Designed for 10-bolt axle cover applications with 10-3/16 in. x 10-3/4 in. dimensions
  • Direct replacement for Mahle P27939 axle housing cover gasket service
  • Cross-references General Motors 1560245 and 3832420 for the same application

Detailed Description

Mahle P27939 is an axle housing cover gasket made for rear differential service where a reliable seal is needed between the cover and axle housing. The paper construction supports a traditional OE-style sealing setup, making it a practical choice for maintenance on 1965-1975 Chevrolet and GMC vehicles with the listed 10-bolt cover pattern. This part number, P27939, is commonly searched for Chevrolet Impala, Camaro, and Nova axle seal replacement work, as well as El Camino and Monte Carlo rear axle service.

Mahle gaskets are used by OEMs and technicians worldwide, and this part follows that service-focused approach with an OEM-standard fit and material selection. If you are replacing a leaking differential cover gasket on a classic GM rear axle, P27939 provides the correct paper gasket format for the specified cover dimensions and bolt pattern.

What This Part Helps Address

  • Rear axle gear oil seepage at the differential cover
  • Wet or dirty axle housing cover seams
  • Gasket failure during differential service
  • Loss of seal after cover removal and inspection
  • Need for an OE-style replacement gasket on classic GM rear axles

Installation Notes and Tips

  • Confirm the axle cover has 10 bolt holes and matches the 10-3/16 in. x 10-3/4 in. gasket size before installation.
  • Clean both sealing surfaces thoroughly before placing the gasket.
  • Inspect the axle cover and housing flange for nicks, corrosion, or distortion that can affect sealing.
  • Use the correct service procedure for your differential when reinstalling the cover.
  • Verify vehicle application by year, make, model, and axle configuration before ordering.

Quality Assurance

Mahle supplies sealing products used in OEM and technician service environments, and this gasket is built to OEM-standard expectations for fit and function. It is a direct service part for the listed Chevrolet and GMC applications, including Chevrolet Nova, El Camino, and Camaro models covered by the fitment data.

BrandMahle
Part NumberP27939
Gasket MaterialPaper
Item GradeOem standard
Package Quantity1

This part fits 35 vehicles. Search below:

YearMakeModelPositionNotes
1975ChevroletNovaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1974ChevroletNovaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1973ChevroletNovaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1972ChevroletEl CaminoN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1972ChevroletMonte CarloN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1972ChevroletNovaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1972GMCG15/G1500 VanN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1971ChevroletEl CaminoN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1971ChevroletMonte CarloN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1971ChevroletNovaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1971GMCG15/G1500 VanN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletBel AirN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletCamaroN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletCapriceN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletEl CaminoN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletImpalaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletMonte CarloN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970ChevroletNovaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1970GMCG15/G1500 VanN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1969ChevroletBel AirN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1969ChevroletCamaroN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1969ChevroletCapriceN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1969ChevroletEl CaminoN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1969ChevroletImpalaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1969GMCG15/G1500 VanN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1968ChevroletBel AirN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1968ChevroletCamaroN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1968ChevroletCapriceN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1968ChevroletEl CaminoN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1968ChevroletImpalaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1968GMCG15/G1500 VanN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1967ChevroletImpalaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1967GMCG15/G1500 VanN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1966ChevroletImpalaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper
1965ChevroletImpalaN/A10 Bolt Holes, 10-3/16in X 10-3/4in; Paper

* 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:

156024538324203931151ES39880

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