HomeDriveline and Axles > Gaskets and Sealing SystemsFel-Pro 55021 Drive Axle Shaft Flange Gasket - Rear
Part #: 55021

Fel-Pro 55021 Drive Axle Shaft Flange Gasket - Rear

Rear
56 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, E-250 Econoline, E-250 Econoline Club Wagon, E-200 Econoline, Bronco, Thunderbird, Country Sedan, Country Squire, Custom, Custom 500, F-100, Galaxie 500, GT40, LTD, Ranch Wagon, Colony Park, Marauder, Marquis, Monterey, Commuter, Montclair, Park Lane, Galaxie, Brougham, Villager, Voyager, Country Cruiser, and Meteor
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Drive Axle Shaft Flange Gasket for Ford and Mercury

Fel-Pro 55021 is a composite drive axle shaft flange gasket built for rear axle sealing on select Ford and Mercury vehicles. It uses application-specific sealing materials to help maintain a tight seal at the axle flange where leaks commonly develop.

Compatible With rear applications on Ford Bronco, Ford F-100, Ford Thunderbird, Ford LTD, Ford E-250 Econoline, Ford E-250 Econoline Club Wagon, and Mercury Colony Park, Marauder, Marquis, and Villager.

  • Composite gasket material for axle flange sealing
  • 3.344 inch inside diameter
  • 4-bolt-hole design
  • Rear position fitment for select Ford and Mercury driveline applications
  • Fel-Pro sealing technology for vehicle-specific applications

Fitment Details

Fits 1961-1969 Ford F-100, rear. Fits 1966-1970 Ford Bronco, rear. Fits 1966-1969 Ford LTD, rear. Fits 1966-1970 Ford Thunderbird, rear. Fits 1975-1979 Ford E-250 Econoline, rear. Fits 1975-1979 Ford E-250 Econoline Club Wagon, rear. Fits 1961-1969 Mercury Colony Park, rear. Fits 1963-1966 Mercury Marauder, rear. Fits 1967-1969 Mercury Marquis, rear. Fits 1962-1967 Mercury Villager, rear. Fits 1969 Mercury Marauder, rear.

This part cross-references C6AZ1001A and W2256A for the same application.

What It Helps Address

  • Rear axle flange oil seepage
  • Damaged or compressed original gasket material
  • Leak paths at the axle shaft flange
  • Service replacement needs during axle maintenance

Installation Notes

Confirm the axle flange pattern, 4-bolt-hole layout, and 3.344 inch inside diameter before installation. Clean both sealing surfaces thoroughly and inspect the flange for pitting, distortion, or old gasket residue that could affect sealing.

Quality Assurance

Fel-Pro gaskets are engineered with application-specific materials for vehicle sealing performance and durability trusted by professional technicians. Part number 55021 is built as a direct sealing solution for the listed rear axle applications.

BrandFel-Pro
Part Number55021
Inside Diameter (Inch)3.344
MaterialComposite
Number of Bolt Holes4

This part fits 56 vehicles. Search below:

YearMakeModelPositionNotes
1979FordE-250 EconolineRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1979FordE-250 Econoline Club WagonRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1978FordE-250 EconolineRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1978FordE-250 Econoline Club WagonRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1977FordE-250 EconolineRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1977FordE-250 Econoline Club WagonRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1976FordE-250 EconolineRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1976FordE-250 Econoline Club WagonRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1975FordE-250 EconolineRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1975FordE-250 Econoline Club WagonRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1970FordBroncoRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1970FordThunderbirdRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969FordBroncoRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969FordLTDRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969FordThunderbirdRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969MercuryMarauderRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1969MercuryMarquisRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1968FordBroncoRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1968FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1968FordLTDRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1968FordThunderbirdRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1968MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1968MercuryMarquisRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967FordBroncoRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967FordLTDRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967FordThunderbirdRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967MercuryMarquisRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1967MercuryVillagerRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966FordBroncoRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966FordLTDRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966FordThunderbirdRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966MercuryMarauderRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1966MercuryVillagerRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1965FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1965MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1965MercuryMarauderRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1965MercuryVillagerRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1964FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1964MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1964MercuryMarauderRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1964MercuryVillagerRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1963FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1963MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1963MercuryMarauderRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1963MercuryVillagerRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1962FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1962MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1962MercuryVillagerRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1961FordF-100RearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (in) inside diameter.
1961MercuryColony ParkRearDrive Axle Shaft Flange Gasket with 4 bolt holes, 3-11/32 (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:

37007703072760026C6AZ1001AC6VW2256AC6VY1001AJ26638W2256A

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