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Fel-Pro 4978 Drive Axle Shaft Flange Gasket - RearOE Quality 60-Day Returns
Part #: 4978

Fel-Pro 4978 Drive Axle Shaft Flange Gasket - Rear

Rear
9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, Maverick, Pinto, Comet, Falcon, and Mustang
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Fel-Pro 4978 Drive Axle Shaft Flange Gasket

Fel-Pro 4978 is a composite drive axle shaft flange gasket built for rear axle sealing applications. It is specified for select Ford Mustang and Ford Pinto models with a 4-bolt flange and 2-11/16 inch inside diameter, making it a direct-fit sealing solution for the listed applications.

Key Features

  • Composite gasket material for axle flange sealing
  • 2.688 inch inside diameter
  • 4 bolt holes for the listed flange pattern
  • Rear position application
  • Fits 1964-1969 Ford Mustang, rear
  • Fits 1971-1973 Ford Pinto, rear

Application Details

This Fel-Pro drive axle shaft flange gasket is engineered for rear axle service where a precise flange seal is required. The part number 4978 is listed for 1964-1969 Ford Mustang rear applications and 1971-1973 Ford Pinto rear applications with 4 bolt holes and a 2-11/16 inch inside diameter. Fel-Pro gaskets are built with application-specific materials to support reliable vehicle sealing in professional repair work. This part cross-references Pioneer Automotive Industries 760019 for the same application.

Common Repair Uses

  • Sealing a leaking rear axle shaft flange
  • Replacing a damaged or compressed flange gasket
  • Restoring seal integrity after axle service
  • Addressing gear oil seepage at the axle flange

Installation Notes and Tips

Verify the flange pattern, inside diameter, and rear position before installation. Clean both sealing surfaces thoroughly and inspect the axle flange for warping, corrosion, or old gasket material that could affect the seal. Confirm vehicle application by year, make, and model before ordering Fel-Pro 4978.

Quality Assurance

Fel-Pro positions this gasket line around application-specific sealing materials and vehicle-focused fitment. The 4978 part number is supported by listed interchange references, including 764140, C0DD2256B, C0DZ1001A, CODZ1001A2, and J26245.

BrandFel-Pro
Part Number4978
Inside Diameter (Inch)2.688
MaterialComposite
Number of Bolt Holes4

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
1973FordPintoRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1972FordPintoRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1971FordPintoRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1969FordMustangRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1968FordMustangRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1967FordMustangRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1966FordMustangRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1965FordMustangRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter
1964FordMustangRearwith 4 Bolt Holes; 2-11/16 (in) Inside Diameter

* 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:

760019764140C0DD2256BC0DZ1001ACODZ1001A2J26245

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