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InMotion WS4099 Wheel Seal - Rear Inner
| Brand | InMotion WS4099 |
|---|---|
| Position | Rear Inner |
| Material | Nitrile |
| External Markings | 1.673 x 2.162 x 0.285 |
| Inside Diameter | 1.66 |
| Inside Diameter | 42.1 |
| Spring Material | Sae 1008 |
| Width | 0.28499999999999998 |
| Width | 7.2 |
| Outside Diameter | 2.17 |
| Outside Diameter | 55 |
| Shaft Diameter | 1.673 |
| Shaft Diameter | 42.5 |
| Weight | 17.600000000000001 |
| Housing Bore | 2.1619999999999999 |
| Housing Bore | 54.9 |
| Fits | Chrysler, Dodge, and Plymouth · 134 vehicles |
Precision-engineered seal. Creates a secure barrier against contaminants, moisture, and debris.
Nitrile construction. Offers dependable sealing performance with durable material choice.
Helps reduce leaks and protect sensitive differential components.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Rear Inner Differential Pinion Seal for Chrysler and Dodge
The InMotion WS4099 is a rear inner differential pinion seal built with nitrile material and a spring made from SAE 1008 steel. It is sized for a 1.673 shaft diameter, 2.162 housing bore, and 0.285 width to help maintain a secure seal at the differential pinion area.
Compatible with a wide range of Chrysler, Dodge, and Plymouth rear inner applications, including Chrysler LeBaron, Dodge Shadow, and Plymouth Reliant models. The WS4099 is specified for vehicles that need a precise sealing surface to keep contaminants out and fluid in.
Key Features
- Nitrile seal material for dependable fluid resistance
- SAE 1008 spring material for consistent sealing tension
- Inside diameter: 1.66 in. / 42.1 mm
- Shaft diameter: 1.673 in. / 42.5 mm
- Outside diameter: 2.17 in. / 55 mm
- Housing bore: 2.162 in. / 54.9 mm
- Width: 0.285 in. / 7.2 mm
- External markings: 1.673 x 2.162 x 0.285
Detailed Description
InMotion WS4099 is a differential pinion seal engineered to create a tight barrier at the rear inner position. Its nitrile construction and steel spring help maintain contact pressure around the shaft, reducing the chance of gear oil leakage while limiting entry of dirt and moisture into the differential assembly. This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.
Fits 1983-1995 Chrysler LeBaron, Rear Inner; Fits 1989-1995 Dodge Spirit, Rear Inner; Fits 1989-1995 Plymouth Acclaim, Rear Inner; Fits 1987-1994 Dodge Shadow, Rear Inner; Fits 1987-1994 Plymouth Sundance, Rear Inner; Fits 1984-1993 Chrysler Daytona, Rear Inner; Fits 1988-1993 Chrysler Dynasty, Rear Inner; Fits 1990-1993 Chrysler Imperial, Rear Inner; Fits 1983-1993 Chrysler New Yorker, Rear Inner; Fits 1984-1993 Dodge Daytona, Rear Inner; Fits 1983-1989 Dodge Aries, Rear Inner; Fits 1985-1989 Dodge Lancer, Rear Inner; Fits 1987-1989 Plymouth Expo, Rear Inner; Fits 1983-1989 Plymouth Reliant, Rear Inner; Fits 1983-1988 Chrysler Town & Country, Rear Inner; Fits 1983-1988 Dodge 600, Rear Inner; Fits 1983-1987 Dodge Charger, Rear Inner; Fits 1984-1986 Chrysler Laser, Rear Inner; Fits 1983-1986 Plymouth Turismo, Rear Inner; Fits 1985-1986 Plymouth Turismo 2.2, Rear Inner; Fits 1983-1984 Dodge Rampage, Rear Inner.
What It Helps Address
- Gear oil seepage at the differential pinion area
- Contamination from road debris and moisture
- Seal wear that can lead to driveline fluid loss
- Reduced sealing performance in rear inner differential service
- Noise or damage risk associated with low lubricant levels
Installation Notes and Tips
Verify shaft diameter, housing bore, and width before installation. Clean the sealing surface thoroughly and inspect the pinion area for wear, scoring, or contamination that could affect seal life. Confirm rear inner position and vehicle application against the listed fitment before service.
Quality Assurance
Built from nitrile with an SAE 1008 spring for controlled sealing contact, the WS4099 is manufactured to match the dimensional requirements listed above. InMotion WS4099 is intended for direct replacement use on the specified Chrysler, Dodge, and Plymouth rear inner applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Chrysler | LeBaron | Rear Inner | — |
| 1995 | Dodge | Spirit | Rear Inner | — |
| 1995 | Plymouth | Acclaim | Rear Inner | — |
| 1994 | Chrysler | LeBaron | Rear Inner | — |
| 1994 | Dodge | Shadow | Rear Inner | — |
| 1994 | Dodge | Spirit | Rear Inner | — |
| 1994 | Plymouth | Acclaim | Rear Inner | — |
| 1994 | Plymouth | Sundance | Rear Inner | — |
| 1993 | Chrysler | Daytona | Rear Inner | — |
| 1993 | Chrysler | Dynasty | Rear Inner | — |
| 1993 | Chrysler | Imperial | Rear Inner | — |
| 1993 | Chrysler | LeBaron | Rear Inner | — |
| 1993 | Chrysler | New Yorker | Rear Inner | — |
| 1993 | Dodge | Daytona | Rear Inner | — |
| 1993 | Dodge | Shadow | Rear Inner | — |
| 1993 | Dodge | Spirit | Rear Inner | — |
| 1993 | Plymouth | Acclaim | Rear Inner | — |
| 1993 | Plymouth | Sundance | Rear Inner | — |
| 1992 | Chrysler | Daytona | Rear Inner | — |
| 1992 | Chrysler | Dynasty | Rear Inner | — |
| 1992 | Chrysler | Imperial | Rear Inner | — |
| 1992 | Chrysler | LeBaron | Rear Inner | — |
| 1992 | Chrysler | New Yorker | Rear Inner | — |
| 1992 | Dodge | Daytona | Rear Inner | — |
| 1992 | Dodge | Shadow | Rear Inner | — |
| 1992 | Dodge | Spirit | Rear Inner | — |
| 1992 | Plymouth | Acclaim | Rear Inner | — |
| 1992 | Plymouth | Sundance | Rear Inner | — |
| 1991 | Chrysler | Daytona | Rear Inner | — |
| 1991 | Chrysler | Dynasty | Rear Inner | — |
| 1991 | Chrysler | Imperial | Rear Inner | — |
| 1991 | Chrysler | LeBaron | Rear Inner | — |
| 1991 | Chrysler | New Yorker | Rear Inner | — |
| 1991 | Dodge | Daytona | Rear Inner | — |
| 1991 | Dodge | Shadow | Rear Inner | — |
| 1991 | Dodge | Spirit | Rear Inner | — |
| 1991 | Plymouth | Acclaim | Rear Inner | — |
| 1991 | Plymouth | Sundance | Rear Inner | — |
| 1990 | Chrysler | Daytona | Rear Inner | — |
| 1990 | Chrysler | Dynasty | Rear Inner | — |
| 1990 | Chrysler | Imperial | Rear Inner | — |
| 1990 | Chrysler | LeBaron | Rear Inner | — |
| 1990 | Chrysler | New Yorker | Rear Inner | — |
| 1990 | Dodge | Daytona | Rear Inner | — |
| 1990 | Dodge | Shadow | Rear Inner | — |
| 1990 | Dodge | Spirit | Rear Inner | — |
| 1990 | Plymouth | Acclaim | Rear Inner | — |
| 1990 | Plymouth | Sundance | Rear Inner | — |
| 1989 | Chrysler | Daytona | Rear Inner | — |
| 1989 | Chrysler | Dynasty | Rear Inner | — |
| 1989 | Chrysler | LeBaron | Rear Inner | — |
| 1989 | Chrysler | New Yorker | Rear Inner | — |
| 1989 | Dodge | Aries | Rear Inner | — |
| 1989 | Dodge | Daytona | Rear Inner | — |
| 1989 | Dodge | Lancer | Rear Inner | — |
| 1989 | Dodge | Shadow | Rear Inner | — |
| 1989 | Dodge | Spirit | Rear Inner | — |
| 1989 | Plymouth | Acclaim | Rear Inner | — |
| 1989 | Plymouth | Expo | Rear Inner | — |
| 1989 | Plymouth | Reliant | Rear Inner | — |
| 1989 | Plymouth | Sundance | Rear Inner | — |
| 1988 | Chrysler | Daytona | Rear Inner | — |
| 1988 | Chrysler | Dynasty | Rear Inner | — |
| 1988 | Chrysler | LeBaron | Rear Inner | — |
| 1988 | Chrysler | New Yorker | Rear Inner | — |
| 1988 | Chrysler | Town & Country | Rear Inner | — |
| 1988 | Dodge | 600 | Rear Inner | — |
| 1988 | Dodge | Aries | Rear Inner | — |
| 1988 | Dodge | Daytona | Rear Inner | — |
| 1988 | Dodge | Lancer | Rear Inner | — |
| 1988 | Dodge | Shadow | Rear Inner | — |
| 1988 | Plymouth | Expo | Rear Inner | — |
| 1988 | Plymouth | Reliant | Rear Inner | — |
| 1988 | Plymouth | Sundance | Rear Inner | — |
| 1987 | Chrysler | Daytona | Rear Inner | — |
| 1987 | Chrysler | LeBaron | Rear Inner | — |
| 1987 | Chrysler | New Yorker | Rear Inner | — |
| 1987 | Chrysler | Town & Country | Rear Inner | — |
| 1987 | Dodge | 600 | Rear Inner | — |
| 1987 | Dodge | Aries | Rear Inner | — |
| 1987 | Dodge | Charger | Rear Inner | — |
| 1987 | Dodge | Daytona | Rear Inner | — |
| 1987 | Dodge | Lancer | Rear Inner | — |
| 1987 | Dodge | Shadow | Rear Inner | — |
| 1987 | Plymouth | Expo | Rear Inner | — |
| 1987 | Plymouth | Reliant | Rear Inner | — |
| 1987 | Plymouth | Sundance | Rear Inner | — |
| 1986 | Chrysler | Daytona | Rear Inner | — |
| 1986 | Chrysler | Laser | Rear Inner | — |
| 1986 | Chrysler | LeBaron | Rear Inner | — |
| 1986 | Chrysler | New Yorker | Rear Inner | — |
| 1986 | Chrysler | Town & Country | Rear Inner | — |
| 1986 | Dodge | 600 | Rear Inner | — |
| 1986 | Dodge | Aries | Rear Inner | — |
| 1986 | Dodge | Charger | Rear Inner | — |
| 1986 | Dodge | Daytona | Rear Inner | — |
| 1986 | Dodge | Lancer | Rear Inner | — |
| 1986 | Plymouth | Reliant | Rear Inner | — |
| 1986 | Plymouth | Turismo | Rear Inner | — |
| 1986 | Plymouth | Turismo 2.2 | Rear Inner | — |
| 1985 | Chrysler | Daytona | Rear Inner | — |
| 1985 | Chrysler | Laser | Rear Inner | — |
| 1985 | Chrysler | LeBaron | Rear Inner | — |
| 1985 | Chrysler | New Yorker | Rear Inner | — |
| 1985 | Chrysler | Town & Country | Rear Inner | — |
| 1985 | Dodge | 600 | Rear Inner | — |
| 1985 | Dodge | Aries | Rear Inner | — |
| 1985 | Dodge | Charger | Rear Inner | — |
| 1985 | Dodge | Daytona | Rear Inner | — |
| 1985 | Dodge | Lancer | Rear Inner | — |
| 1985 | Plymouth | Reliant | Rear Inner | — |
| 1985 | Plymouth | Turismo | Rear Inner | — |
| 1985 | Plymouth | Turismo 2.2 | Rear Inner | — |
| 1984 | Chrysler | Daytona | Rear Inner | — |
| 1984 | Chrysler | Laser | Rear Inner | — |
| 1984 | Chrysler | LeBaron | Rear Inner | — |
| 1984 | Chrysler | New Yorker | Rear Inner | — |
| 1984 | Chrysler | Town & Country | Rear Inner | — |
| 1984 | Dodge | 600 | Rear Inner | — |
| 1984 | Dodge | Aries | Rear Inner | — |
| 1984 | Dodge | Charger | Rear Inner | — |
| 1984 | Dodge | Daytona | Rear Inner | — |
| 1984 | Dodge | Rampage | Rear Inner | — |
| 1984 | Plymouth | Reliant | Rear Inner | — |
| 1984 | Plymouth | Turismo | Rear Inner | — |
| 1983 | Chrysler | LeBaron | Rear Inner | — |
| 1983 | Chrysler | New Yorker | Rear Inner | — |
| 1983 | Chrysler | Town & Country | Rear Inner | — |
| 1983 | Dodge | 600 | Rear Inner | — |
| 1983 | Dodge | Aries | Rear Inner | — |
| 1983 | Dodge | Charger | Rear Inner | — |
| 1983 | Dodge | Rampage | Rear Inner | — |
| 1983 | Plymouth | Reliant | Rear Inner | — |
| 1983 | Plymouth | Turismo | Rear Inner | — |
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