National Differential Pinion Seal 6.75"/7.25"/8" Ring Gear 1965-1974

75% of 100


  • Designed To OE Specifications
  • Spring Loaded Multi-Lip Design
  • Fits 6.75"/7.25"/8" Ring Gear
  • Lo Swell In Hydrocarbon Fluids

National Differential Pinion Seal for 1965-1974 Mustangs with a 6.75", 7.25" or 8" Ring Gear.

The pinion seal is responsible for sealing in the gear oil at the front of the differential where the driveshaft connects. National seals are manufactured to meet or exceed OE specifications.

-Shaft Size: 1.812 in. (46.02 mm.)
-Housing Bore: 2.623 in. (66.62 mm.)
-Outside Diameter: 2.627 in. (66.73 mm.)
-Flange Outside Diameter: 2.94 in. (74.68 mm.)
-Width: 0.455 in. (11.56 mm.)

Sold individually.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Mustang years:

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