Yukon Gear & Axle

Yukon Gear 9in 31Spline (69-73Mustang & Others) Axle Seal - YMS9363S

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SKU:
YUKYMS9363S
UPC:
883584302117
MPN:
YMS9363S
Availability:
Regularly stocked product
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$21.89
Current Stock: 3

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Description

What vehicles does this differential seal kit fit?
This Yukon differential seal kit is engineered to fit 1967-1973 Ford Fairlane, Gran Torino, Mustang, Lincoln Continental, and Mercury Comet/Cougar models.

Is professional installation required for this differential seal kit?
Professional installation is strongly recommended for this differential seal kit to ensure optimal performance and a precise, long-lasting seal.

Yukon Mighty Seals deliver a precision fit for reliable, long-lasting differential sealing in classic Ford vehicles, achieving a high score for Street Performance. These seals feature a 2.264 inch outside diameter and a 1.5 inch shaft diameter for the Ford 9 inch axle. Experience years of confident drivetrain operation with this engineered differential seal solution.

Key Features

  • Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come
  • Fits 1969-1973 Ford Mustang w/Ford 9 in
  • Fits 1969-1973 Ford Mustang with Ford 9 1.5 shaft diameter
  • Rear axle seal 2.264 OD

Why Choose the YUK Seals

Delivers a precision fit for reliable, long-lasting differential sealing.

Ensures your classic Mustang's drivetrain operates smoothly and efficiently.

Provides peace of mind with a seal designed for years of performance.

Achieves a tight seal, preventing costly leaks and drivetrain damage.

Who Is This For?

Street Performance — 7/10
Precision fit seals tight, lasts for years.

Daily Driving Comfort — 7/10
Precision fit seals tight, lasts for years.

Drag Racing — 6/10
Designed for Ford 9 inch, 1.5 shaft diameter.

Track / Autocross — 6/10
Designed for Ford 9 inch, 1.5 shaft diameter.

Weekend Off-Roading — 5/10
Seals tight, lasts for years, fits classic Fords.

Vehicle Compatibility

YearMakeModelSubmodel
1967FordFairlane500XL
1967–1969FordFairlaneBase
1967–1970FordFairlane500
1972FordGran TorinoBase
1972FordGran TorinoSport
1972FordGran TorinoSquire
1969–1970FordMustangShelby GT-500
1969–1973FordMustangBase
1969–1971FordMustangBoss 302
1969–1970FordMustangBoss 429
1969–1970FordMustangShelby GT-350
1970–1973FordMustangMach 1
1970–1973FordMustangGrande
1971–1972FordMustangBoss 351
1967–1972FordRanchero500
1967FordRanchero500 XL
1967–1971FordRancheroBase
1968–1972FordRancheroGT
1970–1972FordRancheroSquire
1972LincolnContinentalBase
1969–1971MercuryCometBase
1967–1973MercuryCougarBase
1967–1973MercuryCougarXR-7
1969–1970MercuryCougarBoss 302
1969–1970MercuryCougarBoss 429
1969–1970MercuryCougarCobra Jet

Additional Resources

Official Yukon Gear & Axle Product Page

Installation Guide (PDF)

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Browse More: Shop All Differential Seal Kits — Drivetrain

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
1967-1970FordFairlane500
1967FordFairlane500XL
1967-1969FordFairlaneBase
1972FordGran TorinoBase
1972FordGran TorinoSport
1972FordGran TorinoSquire
1969-1973FordMustangBase
1969-1971FordMustangBoss 302
1971-1972FordMustangBoss 351
1969-1970FordMustangBoss 429
1970-1973FordMustangGrande
1970-1973FordMustangMach 1
1969-1970FordMustangShelby GT-350
1969-1970FordMustangShelby GT-500
1967-1972FordRanchero500
1967FordRanchero500 XL
1967-1971FordRancheroBase
1968-1972FordRancheroGT
1970-1972FordRancheroSquire
1972LincolnContinentalBase
1969,1971MercuryCometBase
1967-1973MercuryCougarBase
1969-1970MercuryCougarBoss 302
1969-1970MercuryCougarBoss 429
1969-1970MercuryCougarCobra Jet
1967-1973MercuryCougarXR-7
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Additional Information

Clearance Item:
N
MPN:
YMS9363S
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Drivetrain>Differential Seal Kits
Product Level:
Budget Upgrade
Street Performance:
7/10
Daily Driving Comfort:
7/10
Drag Racing:
6/10
Track / Autocross:
6/10
Weekend Off-Roading:
5/10
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