OE Quality
60-Day Returns

Apex ATC4231 Engine Auxiliary Shaft Seal
Reliable Engine Auxiliary Shaft Seal for Ford, Mazda, and Mercury
The Apex ATC4231 Engine Auxiliary Shaft Seal is designed to provide a precise fit and dependable sealing performance for a range of Ford, Mazda, and Mercury vehicles. This seal helps maintain engine integrity by preventing oil leaks around the auxiliary shaft.
- Compatible with Ford Aerostar, Mustang, Ranger, Thunderbird, and other models
- Fits Mazda B2300, B2500, Bobcat, and Courier vehicles
- Suitable for Mercury Capri, Cougar, Fairmont, LTD, Marquis, Pinto, and Zephyr
- Durable construction to withstand engine operating conditions
- Part number ATC4231 ensures exact replacement fit
Product Details and Compatibility
The Apex ATC4231 Engine Auxiliary Shaft Seal is engineered to meet OEM specifications for a variety of Ford, Mazda, and Mercury models. This part is essential for maintaining the seal around the engine auxiliary shaft, preventing oil leaks that can lead to engine damage or reduced performance. Compatible with popular models such as the Ford Aerostar, Mustang, and Ranger, as well as Mazda B2300 and B2500 trucks, and Mercury Capri and Cougar, this seal offers a reliable solution for engine maintenance and repair.
Common Applications and Problem Solving
- Prevents oil leaks from the engine auxiliary shaft area
- Reduces risk of engine contamination and damage
- Maintains proper engine oil pressure and lubrication
- Addresses wear and tear from prolonged engine use
- Replaces worn or damaged seals to restore engine performance
Installation Notes and Tips
When installing the Apex ATC4231 Engine Auxiliary Shaft Seal, ensure the engine surface is clean and free of debris. Proper alignment during installation is critical to avoid leaks. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify compatibility with your specific vehicle model before installation to ensure a correct fit.
Quality Assurance and Warranty
Apex manufactures the ATC4231 Engine Auxiliary Shaft Seal to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically undergo quality control testing to ensure reliability in automotive applications. Using this seal helps maintain engine integrity and supports long-term vehicle operation.
This part fits 105 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Ford | Ranger | 2.5L | L4 | N/A | ||
| 2001 | Mazda | B2500 | 2.5L | L4 | N/A | ||
| 2000 | Ford | Ranger | 2.5L | L4 | N/A | ||
| 2000 | Mazda | B2500 | 2.5L | L4 | N/A | ||
| 1999 | Ford | Ranger | 2.5L | L4 | N/A | ||
| 1999 | Mazda | B2500 | 2.5L | L4 | N/A | ||
| 1998 | Ford | Ranger | 2.5L | L4 | N/A | ||
| 1998 | Mazda | B2500 | 2.5L | L4 | N/A | ||
| 1997 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1997 | Mazda | B2300 | 2.3L | L4 | N/A | ||
| 1996 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1996 | Mazda | B2300 | 2.3L | L4 | N/A | ||
| 1995 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1995 | Mazda | B2300 | 2.3L | L4 | N/A | ||
| 1994 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1994 | Mazda | B2300 | 2.3L | L4 | N/A | ||
| 1993 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1993 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1992 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1992 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1991 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1991 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1990 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1990 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1989 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1989 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1988 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1988 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1988 | Ford | Thunderbird | 2.3L | L4 | N/A | ||
| 1987 | Ford | Aerostar | 2.3L | L4 | N/A | ||
| 1987 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1987 | Ford | Ranger | 2.3L | L4 | GAS | N/A | |
| 1987 | Ford | Thunderbird | 2.3L | L4 | N/A | ||
| 1986 | Ford | Aerostar | 2.3L | L4 | N/A | ||
| 1986 | Ford | LTD | 2.3L | L4 | N/A | ||
| 1986 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1986 | Ford | Ranger | 2.3L | L4 | GAS | N/A | |
| 1986 | Ford | Thunderbird | 2.3L | L4 | N/A | ||
| 1986 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1986 | Mercury | Cougar | 2.3L | L4 | N/A | ||
| 1986 | Mercury | Marquis | 2.3L | L4 | N/A | ||
| 1985 | Ford | LTD | 2.3L | L4 | N/A | ||
| 1985 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1985 | Ford | Ranger | 2.3L | L4 | GAS | N/A | |
| 1985 | Ford | Thunderbird | 2.3L | L4 | N/A | ||
| 1985 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1985 | Mercury | Cougar | 2.3L | L4 | N/A | ||
| 1985 | Mercury | Marquis | 2.3L | L4 | N/A | ||
| 1984 | Ford | LTD | 2.3L | L4 | N/A | ||
| 1984 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1984 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1984 | Ford | Thunderbird | 2.3L | L4 | N/A | ||
| 1984 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1984 | Mercury | Cougar | 2.3L | L4 | N/A | ||
| 1984 | Mercury | Marquis | 2.3L | L4 | N/A | ||
| 1983 | Ford | Fairmont | 2.3L | L4 | N/A | ||
| 1983 | Ford | LTD | 2.3L | L4 | N/A | ||
| 1983 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1983 | Ford | Ranger | 2.3L | L4 | N/A | ||
| 1983 | Ford | Thunderbird | 2.3L | L4 | N/A | ||
| 1983 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1983 | Mercury | Marquis | 2.3L | L4 | N/A | ||
| 1983 | Mercury | Zephyr | 2.3L | L4 | N/A | ||
| 1982 | Ford | Courier | 2.3L | L4 | N/A | ||
| 1982 | Ford | Fairmont | 2.3L | L4 | N/A | ||
| 1982 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1982 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1982 | Mercury | Cougar | 2.3L | L4 | N/A | ||
| 1982 | Mercury | Zephyr | 2.3L | L4 | N/A | ||
| 1981 | Ford | Courier | 2.3L | L4 | N/A | ||
| 1981 | Ford | Fairmont | 2.3L | L4 | N/A | ||
| 1981 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1981 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1981 | Mercury | Cougar | 2.3L | L4 | N/A | ||
| 1981 | Mercury | Zephyr | 2.3L | L4 | N/A | ||
| 1980 | Ford | Courier | 2.3L | L4 | N/A | ||
| 1980 | Ford | Fairmont | 2.3L | L4 | N/A | ||
| 1980 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1980 | Ford | Pinto | 2.3L | L4 | N/A | ||
| 1980 | Mercury | Bobcat | 2.3L | L4 | N/A | ||
| 1980 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1980 | Mercury | Zephyr | 2.3L | L4 | N/A | ||
| 1979 | Ford | Courier | 2.3L | L4 | N/A | ||
| 1979 | Ford | Fairmont | 2.3L | L4 | N/A | ||
| 1979 | Ford | Mustang | 2.3L | L4 | N/A | ||
| 1979 | Ford | Pinto | 2.3L | L4 | N/A | ||
| 1979 | Mercury | Bobcat | 2.3L | L4 | N/A | ||
| 1979 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1979 | Mercury | Zephyr | 2.3L | L4 | N/A | ||
| 1978 | Ford | Courier | 2.3L | L4 | N/A | ||
| 1978 | Ford | Fairmont | 2.3L | L4 | N/A | ||
| 1978 | Ford | Pinto | 2.3L | L4 | N/A | ||
| 1978 | Mercury | Bobcat | 2.3L | L4 | N/A | ||
| 1978 | Mercury | Zephyr | 2.3L | L4 | N/A | ||
| 1977 | Ford | Courier | 2.3L | L4 | N/A | ||
| 1977 | Ford | Pinto | 2.3L | L4 | N/A | ||
| 1977 | Mercury | Bobcat | 2.3L | L4 | N/A | ||
| 1977 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1976 | Ford | Pinto | 2.3L | L4 | N/A | ||
| 1976 | Mercury | Bobcat | 2.3L | L4 | N/A | ||
| 1976 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1975 | Ford | Pinto | 2.3L | L4 | N/A | ||
| 1975 | Mercury | Bobcat | 2.3L | L4 | N/A | ||
| 1975 | Mercury | Capri | 2.3L | L4 | N/A | ||
| 1974 | Ford | Pinto | 2.3L | L4 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.