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Mahle SS45900 Engine Valve Stem Oil Seal Set - Intake and Exhaust
Reliable Engine Valve Stem Oil Seal Set for Ford, Mazda, and Mercury
The Mahle SS45900 Engine Valve Stem Oil Seal Set is engineered to provide precise sealing performance for select Ford, Mazda, and Mercury vehicles. Designed with durable fluoroelastomer material, this valve stem seal set ensures effective oil control and long-lasting reliability.
- Inside diameter: 0.283 inches (7.2 mm)
- Outside diameter: 0.459 inches
- Thickness: 0.015 inches
- Height: 0.015 inches (0.381 mm overall height)
- Constructed from high-quality fluoroelastomer for heat and chemical resistance
Technical Details and Material Specifications
The Mahle SS45900 valve stem oil seal set features a precise inside diameter of 0.283 inches, matching the valve stem size for a secure fit. The outside diameter measures 0.459 inches, providing a tight seal within the valve guide. With a thickness and height of 0.015 inches, these seals maintain optimal compression to prevent oil leakage. The fluoroelastomer material offers excellent resistance to high temperatures and engine fluids, ensuring durability under demanding operating conditions.
Compatible Vehicles and Applications
This valve stem oil seal set is compatible with a range of Ford, Mazda, and Mercury models, including the Ford Aerostar, B4000, Bronco II, Capri, Explorer, Mustang, Navajo, Pinto, and Ranger, as well as the Mazda Bobcat. The SS45900 part number is specifically designed to meet the sealing requirements of these engines, making it suitable for maintenance and repair tasks involving valve stem oil seals.
- Prevents oil leakage into the combustion chamber
- Reduces valve guide wear and extends engine life
- Maintains proper lubrication of valve stems
- Helps control emissions by preventing oil burning
- Addresses issues such as blue smoke from exhaust and oil consumption
Installation Notes and Tips
When installing the Mahle SS45900 valve stem oil seal set, ensure the valve stems and guides are clean and free of debris. Use appropriate tools to avoid damaging the seals during installation. Proper seating of the seals is critical to prevent oil leaks and maintain engine performance. Refer to vehicle-specific service manuals for torque specifications and installation procedures.
Quality Assurance and Warranty
Mahle manufactures the SS45900 valve stem oil seal set to meet stringent quality standards. The use of fluoroelastomer material ensures resistance to heat and chemical exposure typical in engine environments. While specific warranty details are not provided, Mahle products are generally backed by manufacturer quality controls to ensure reliable performance in compatible Ford, Mazda, and Mercury vehicles.
| Brand | Mahle |
| Part Number | SS45900 |
| Inside Diameter | 0.283 |
| Thickness | 0.015 |
| Outside Diameter | 0.459 |
| Height | 0.015" |
| Inside Diameter | 0.283" |
| Upper Inside Diameter-Valve Side (mm) | 7.2 |
| Valve Stem Seal Material | Fluoroelastomer |
| Valve Stem Seal Outside Diameter - B (in) | 0.459 |
| Valve Stem Seal Stem Overall Height (mm) | 0.381 |
This part fits 74 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 2000 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 2000 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1999 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1999 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1999 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1998 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1998 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1998 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1997 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1997 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1997 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1997 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1996 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1996 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1996 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1996 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1995 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1995 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1995 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1995 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1994 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1994 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1994 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1994 | Mazda | B4000 | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1994 | Mazda | Navajo | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1993 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1993 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1993 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1993 | Mazda | Navajo | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1992 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1992 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1992 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1992 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1992 | Mazda | Navajo | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1991 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1991 | Ford | Explorer | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1991 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1991 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1991 | Mazda | Navajo | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1990 | Ford | Aerostar | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1990 | Ford | Bronco II | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1990 | Ford | Ranger | 4.0L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1990 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1989 | Ford | Bronco II | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1989 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1988 | Ford | Bronco II | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1988 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1987 | Ford | Bronco II | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1987 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1986 | Ford | Aerostar | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1986 | Ford | Bronco II | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1986 | Ford | Ranger | 2.9L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1985 | Ford | Bronco II | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1985 | Ford | Ranger | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1984 | Ford | Bronco II | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1984 | Ford | Ranger | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1983 | Ford | Ranger | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1979 | Ford | Mustang | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1979 | Ford | Pinto | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1979 | Mercury | Bobcat | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1979 | Mercury | Capri | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1978 | Ford | Pinto | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1978 | Mercury | Bobcat | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1977 | Ford | Pinto | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1977 | Mercury | Bobcat | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1977 | Mercury | Capri | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1976 | Ford | Pinto | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1976 | Mercury | Bobcat | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1976 | Mercury | Capri | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1975 | Ford | Pinto | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1975 | Mercury | Bobcat | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1975 | Mercury | Capri | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
| 1974 | Mercury | Capri | 2.8L | V6 | Intake and Exhaust | Positive Type; Contains 6, Priced as a Set; Fluoroelastomer |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.