Home› Transfer Case > Gaskets and Sealing Systems› SKF 18637A Transfer Case Output Shaft Seal - Front
SKF 18637A Transfer Case Output Shaft Seal - FrontOE Quality 60-Day Returns
SKF 18637A Transfer Case Output Shaft Seal - Front - view 1
SKF 18637A Transfer Case Output Shaft Seal - Front - view 2
SKF 18637A Transfer Case Output Shaft Seal - Front - view 3
Part #: 18637A

SKF 18637A Transfer Case Output Shaft Seal - Front

Front
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.41Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-150, F-250 Super Duty, and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Transfer Case Output Shaft Seal options
SKF 18637A Transfer Case Output Shaft Seal - Front
BrandSKF
Part Number18637A
Width0.512
Seal TypeHmsa92
Shaft Diameter1.862

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2018FordF-250 Super DutyFront
2018FordF-350 Super DutyFront
2017FordF-250 Super DutyFront
2017FordF-350 Super DutyFront
2015FordF-150FrontWarner Transfer Case

* 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:

FL3Z7B215C

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