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InMotionPart #: WS4638N
InMotion WS4638N Manual Transmission Input Shaft Seal
⚙️ 130 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$9.52Free 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: Chevrolet, Dodge, and GMC, C1500, C2500, C3500, K1500, K2500, K3500, P3500, Ram 2500, Ram 3500, Sierra 1500, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, and Silverado 3500 Classic
🔄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 Manual Transmission Input Shaft Seal options
InMotion WS4638N Manual Transmission Input Shaft Seal
| Brand | InMotion |
| Part Number | WS4638N |
| Material | Polyacrylate |
| Inside Diameter | 1.375 |
| Thickness | 0.192 |
| Outside Diameter | 1.9890000000000001 |
| Shaft Diameter | 1.375 |
| Housing Bore | 1.982 |
This part fits 130 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 2500 HD Classic | Manual | N/A | with New Process 4500 Transmission |
| 2007 | Chevrolet | Silverado 3500 Classic | Manual | N/A | with New Process 4500HD Transmission |
| 2007 | GMC | Sierra 2500 HD Classic | Manual | N/A | with New Process 4500HD Transmission |
| 2007 | GMC | Sierra 3500 Classic | Manual | N/A | with New Process 4500 Transmission |
| 2006 | Chevrolet | Silverado 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2006 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2006 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2006 | GMC | Sierra 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2006 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2006 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500 Transmission |
| 2005 | Chevrolet | Silverado 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2005 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2005 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | GMC | Sierra 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2005 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2005 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | Chevrolet | Silverado 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2004 | Chevrolet | Silverado 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2004 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500 Transmission |
| 2004 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | GMC | Sierra 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2004 | GMC | Sierra 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2004 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2004 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | Chevrolet | Silverado 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2003 | Chevrolet | Silverado 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2003 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500 Transmission |
| 2003 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | GMC | Sierra 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2003 | GMC | Sierra 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2003 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2003 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | Chevrolet | Silverado 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2002 | Chevrolet | Silverado 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2002 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2002 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500 Transmission |
| 2002 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | GMC | Sierra 1500 | Manual | N/A | with New Process 4500 Transmission |
| 2002 | GMC | Sierra 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2002 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500 Transmission |
| 2002 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | Chevrolet | Silverado 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2001 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | GMC | Sierra 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2001 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | Chevrolet | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | Chevrolet | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | Chevrolet | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | Chevrolet | K3500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | Chevrolet | Silverado 2500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 2000 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2000 | GMC | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | GMC | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | GMC | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | GMC | K3500 | Manual | N/A | with New Process 4500 Transmission |
| 2000 | GMC | Sierra 2500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | Chevrolet | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | Chevrolet | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | Chevrolet | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | Chevrolet | Silverado 2500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | GMC | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | GMC | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | GMC | P3500 | Manual | N/A | with New Process 4500 Transmission |
| 1999 | GMC | Sierra 2500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | Chevrolet | C1500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | Chevrolet | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | Chevrolet | K1500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | Chevrolet | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | GMC | C1500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | GMC | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | GMC | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | GMC | K1500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | GMC | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | GMC | K3500 | Manual | N/A | with New Process 4500 Transmission |
| 1998 | GMC | P3500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | Chevrolet | C1500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | Chevrolet | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | Chevrolet | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | Chevrolet | K1500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | Chevrolet | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | GMC | C1500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | GMC | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | GMC | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | GMC | K1500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | GMC | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1997 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | GMC | P3500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | Chevrolet | C1500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | Chevrolet | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | Chevrolet | C3500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | Chevrolet | K1500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | Chevrolet | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | GMC | C1500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | GMC | C2500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | GMC | K1500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | GMC | K2500 | Manual | N/A | with New Process 4500 Transmission |
| 1996 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | GMC | P3500 | Manual | N/A | with New Process 4500 Transmission |
| 1995 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 1995 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1994 | Dodge | Ram 2500 | Manual | N/A | with New Process 4500HD Transmission |
| 1994 | Dodge | Ram 3500 | Manual | N/A | with New Process 4500HD Transmission |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.