OE Quality
60-Day Returns

InMotion WS6988H Automatic Transmission Oil Pump Seal - Front
Automatic Transmission Oil Pump Seal for Ford and Jaguar
The InMotion WS6988H is a silicone automatic transmission oil pump seal built for front-position applications across select Ford, Mercury, Lincoln, and Jaguar vehicles. With precise dimensions and a sealing-focused design, it helps maintain a secure barrier at the pump area to reduce fluid loss and keep contaminants out.
Use this seal when servicing a Borg-Warner T12, Borg-Warner T8, Ford MX, or Ford FX transmission in the listed applications. The WS6988H is sized for a 1.937 in inside diameter, 2.69 in outside diameter, and 0.5 in thickness.
Key Features
- Silicone sealing material for consistent sealing performance
- Inside diameter: 1.937 in
- Outside diameter: 2.69 in
- Thickness: 0.5 in
- Width: 0.5 in
- Fits front-position transmission applications listed below
- Part number: WS6988H
Fitment Details
- Fits 1976-1978 Jaguar XJS, front, with Borg-Warner T12 Transmission
- Fits 1973-1977 Jaguar XJ12, front, with Borg-Warner T12 Transmission
- Fits 1972-1973 Jaguar XJ6, front, with Borg-Warner T12 Transmission
- Fits 1968-1971 Jaguar XJ, front, with Borg-Warner T8 Transmission
- Fits 1967 Ford LTD, front, with Ford MX Transmission
- Fits 1965 Ford LTD, front, with Ford MX Transmission
- Fits 1964-1967 Ford Mustang, front, with Ford FX Transmission
- Fits 1963-1967 Ford Thunderbird, front, with Ford MX Transmission
- Fits 1963-1967 Mercury Colony Park, front, with Ford MX Transmission
- Fits 1967 Mercury Cougar, front, with Ford FX Transmission
- Fits 1967 Mercury Marquis, front, with Ford MX Transmission
- Fits 1966 Ford LTD, front, with Ford FX Transmission
- Fits 1963-1966 Mercury Marauder, front, with Ford MX Transmission
- Fits 1953-1964 Ford F-100, front, with Borg-Warner T12 Transmission
- Fits 1953-1964 Ford F-250, front, with Borg-Warner T12 Transmission
- Fits 1953-1964 Ford F-350, front, with Borg-Warner T12 Transmission
- Fits 1963-1964 Mercury Villager, front, with Ford FX Transmission
- Fits 1955-1962 Ford Thunderbird, front, with Borg-Warner T12 Transmission
- Fits 1957-1962 Mercury Colony Park, front, with Borg-Warner T12 Transmission
- Fits 1958-1960 Lincoln Continental, front, with Borg-Warner T12 Transmission
What This Seal Helps Address
- Transmission fluid seepage at the oil pump area
- Contamination entering the pump seal interface
- Wear-related sealing loss during transmission service
- Leak concerns during rebuild or maintenance work
- Replacement needs for front-position pump seal service
Installation Notes and Tips
Confirm the transmission type and seal dimensions before installation. Clean the sealing surfaces thoroughly, inspect the pump bore and shaft area for wear, and install the seal squarely to avoid distortion. For best results, match the seal to the exact application listed for your Ford Mustang, Ford Thunderbird, Mercury Cougar, or Jaguar XJS service.
Quality Assurance
InMotion manufactures this seal with precision and high-quality materials to support a reliable fit and consistent sealing performance in the specified applications. Part number WS6988H is built for direct replacement use where the listed dimensions and transmission types match.
| Brand | InMotion |
| Part Number | WS6988H |
| Material | Silicone |
| Inside Diameter | 1.9370000000000001 |
| Thickness | 0.5 |
| Outside Diameter | 2.69 |
| Shaft Diameter | 1.9370000000000001 |
| Housing Bore | 2.6859999999999999 |
| Sealing Material | Silicone |
| Width (in) | 0.5 |
This part fits 92 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1978 | Jaguar | XJS | Automatic | Front | with Borg-Warner T12 Transmission |
| 1977 | Jaguar | XJ12 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1977 | Jaguar | XJS | Automatic | Front | with Borg-Warner T12 Transmission |
| 1976 | Jaguar | XJ12 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1976 | Jaguar | XJS | Automatic | Front | with Borg-Warner T12 Transmission |
| 1975 | Jaguar | XJ12 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1974 | Jaguar | XJ12 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1973 | Jaguar | XJ12 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1973 | Jaguar | XJ6 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1972 | Jaguar | XJ6 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1971 | Jaguar | XJ | Automatic | Front | with Borg-Warner T8 Transmission |
| 1970 | Jaguar | XJ | Automatic | Front | with Borg-Warner T8 Transmission |
| 1969 | Jaguar | XJ | Automatic | Front | with Borg-Warner T8 Transmission |
| 1968 | Jaguar | XJ | Front | with Borg-Warner T8 Transmission | |
| 1967 | Ford | LTD | Automatic | Front | with Ford MX Transmission |
| 1967 | Ford | Mustang | Automatic | Front | with Ford FX Transmission |
| 1967 | Ford | Thunderbird | Automatic | Front | with Ford MX Transmission |
| 1967 | Mercury | Colony Park | Front | with Ford MX Transmission | |
| 1967 | Mercury | Cougar | Automatic | Front | with Ford FX Transmission |
| 1967 | Mercury | Marquis | Automatic | Front | with Ford MX Transmission |
| 1966 | Ford | LTD | Automatic | Front | with Ford FX Transmission |
| 1966 | Ford | Mustang | Automatic | Front | with Ford FX Transmission |
| 1966 | Ford | Thunderbird | Automatic | Front | with Ford MX Transmission |
| 1966 | Mercury | Colony Park | Front | with Ford MX Transmission | |
| 1966 | Mercury | Marauder | Front | with Ford MX Transmission | |
| 1965 | Ford | LTD | Automatic | Front | with Ford MX Transmission |
| 1965 | Ford | Mustang | Automatic | Front | with Ford FX Transmission |
| 1965 | Ford | Thunderbird | Automatic | Front | with Ford MX Transmission |
| 1965 | Mercury | Colony Park | Front | with Ford MX Transmission | |
| 1965 | Mercury | Marauder | Front | with Ford MX Transmission | |
| 1964 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1964 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1964 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1964 | Ford | Mustang | Automatic | Front | with Ford FX Transmission |
| 1964 | Ford | Thunderbird | Automatic | Front | with Ford MX Transmission |
| 1964 | Mercury | Colony Park | Front | with Ford MX Transmission | |
| 1964 | Mercury | Marauder | Front | with Ford MX Transmission | |
| 1964 | Mercury | Villager | Front | with Ford FX Transmission | |
| 1963 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1963 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1963 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1963 | Ford | Thunderbird | Automatic | Front | with Ford MX Transmission |
| 1963 | Mercury | Colony Park | Front | with Ford MX Transmission | |
| 1963 | Mercury | Marauder | Front | with Ford MX Transmission | |
| 1963 | Mercury | Villager | Front | with Ford FX Transmission | |
| 1962 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1962 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1962 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1962 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1962 | Mercury | Colony Park | Front | with Borg-Warner T12 Transmission | |
| 1961 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1961 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1961 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1961 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1961 | Mercury | Colony Park | Front | with Borg-Warner T12 Transmission | |
| 1960 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1960 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1960 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1960 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1960 | Lincoln | Continental | Automatic | Front | with Borg-Warner T12 Transmission |
| 1960 | Mercury | Colony Park | Front | with Borg-Warner T12 Transmission | |
| 1959 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1959 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1959 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1959 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1959 | Lincoln | Continental | Automatic | Front | with Borg-Warner T12 Transmission |
| 1959 | Mercury | Colony Park | Front | with Borg-Warner T12 Transmission | |
| 1958 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1958 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1958 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1958 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1958 | Lincoln | Continental | Automatic | Front | with Borg-Warner T12 Transmission |
| 1958 | Mercury | Colony Park | Front | with Borg-Warner T12 Transmission | |
| 1957 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1957 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1957 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1957 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1957 | Mercury | Colony Park | Front | with Borg-Warner T12 Transmission | |
| 1956 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1956 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1956 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1956 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1955 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1955 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1955 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1955 | Ford | Thunderbird | Automatic | Front | with Borg-Warner T12 Transmission |
| 1954 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1954 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1954 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1953 | Ford | F-100 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1953 | Ford | F-250 | Automatic | Front | with Borg-Warner T12 Transmission |
| 1953 | Ford | F-350 | Automatic | Front | with Borg-Warner T12 Transmission |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.