Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Yukon Gear & Axle / New

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

Yukon Gear & Axle · New

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

MPN YMS9363S · Store SKU yukYMS9363S

$19.89
IN STOCK4 ready to ship

Supplier stock checked 11/8/2026, 3:12:27 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

This is the Yukon Mighty Seal. 9" 31 Spline ('69 – '73 Mustang and Others) axle seal. (Part number YMS9363S) Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. Yukon Mighty Seal. 9" 31 spline (‘69 – ‘73 Mustang & Others) axle seal Yukon Mighty Seal. 9in. 31 spline ( 69 - 73 Mustang/Others) axle seal

Manufacturer fitment & guides

Check YMS9363S against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

More from Yukon Gear & Axle ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.