HomeEngine > Gaskets and Sealing SystemsMahle SS45952 Engine Valve Stem Oil Seal Set - Intake and Exhaust
Part #: SS45952

Mahle SS45952 Engine Valve Stem Oil Seal Set - Intake and Exhaust

Intake and Exhaust
28 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, E-350 Super Duty, F-250 Super Duty, F-350 Super Duty, E-350 Club Wagon, and Excursion
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Reliable Valve Stem Oil Seal Set for Ford Super Duty Engines

The Mahle SS45952 Engine Valve Stem Oil Seal Set is designed to provide precise sealing performance for Ford heavy-duty trucks and vans. Engineered with durable fluoroelastomer material, this valve stem seal set ensures effective oil control and long-lasting reliability for models like the Ford E-350 Club Wagon and F-350 Super Duty.

  • Inside diameter: 0.248 inches (6.3 mm)
  • Outside diameter: 1 inch
  • Thickness: 0.04 inches
  • Height: 0.040 inches (1.01 mm overall height)
  • Constructed from high-quality fluoroelastomer for heat and chemical resistance

Technical Details and Material Specifications

The Mahle SS45952 valve stem oil seal set features a precise inside diameter of 0.248 inches, matching the valve stem size for a secure fit. The outside diameter measures 1 inch, providing a tight seal within the valve guide bore. With a thickness of 0.04 inches and an overall height of approximately 1.01 mm, these seals maintain optimal contact to prevent oil leakage. The fluoroelastomer material offers excellent resistance to high temperatures and engine fluids, making it suitable for demanding engine environments found in Ford E-350 Club Wagon, F-250 Super Duty, and Excursion models.

Compatible Ford Models and Applications

This valve stem oil seal set is compatible with a range of Ford heavy-duty vehicles, including:

  • Ford E-350 Club Wagon
  • Ford E-350 Super Duty
  • Ford Excursion
  • Ford F-250 Super Duty
  • Ford F-350 Super Duty

Part number SS45952 is specifically designed to meet the sealing requirements of these engines, ensuring proper valve stem lubrication and oil control.

Common Engine Issues Addressed by Valve Stem Oil Seals

  • Prevents excessive oil consumption caused by leaking valve seals
  • Reduces blue smoke emissions from burning oil
  • Maintains proper valve stem lubrication without oil seepage
  • Protects valve guides from oil contamination and wear
  • Helps maintain engine performance and efficiency

Installation Notes and Tips

  • Ensure the valve stem and guide are clean and free of debris before installation
  • Use appropriate tools to avoid damaging the seal during installation
  • Verify the seal orientation matches the valve stem side as specified
  • Replace valve stem seals in pairs or sets to maintain balanced engine performance
  • Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty Information

Mahle manufactures the SS45952 valve stem oil seal set to meet strict OEM standards for durability and performance. The fluoroelastomer material is selected for its resistance to heat, oil, and chemical exposure, ensuring long service life. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects. Always verify warranty terms with the supplier or manufacturer documentation.

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2010FordF-250 Super Duty6.4LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2010FordF-350 Super Duty6.4LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2009FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2009FordF-250 Super Duty6.4LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2009FordF-350 Super Duty6.4LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2008FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2008FordF-250 Super Duty6.4LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2008FordF-350 Super Duty6.4LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2007FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2007FordF-250 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2007FordF-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2006FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2006FordF-250 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2006FordF-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2005FordE-350 Club Wagon6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2005FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2005FordExcursion6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2005FordF-250 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2005FordF-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2004FordE-350 Club Wagon6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2004FordE-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2004FordExcursion6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2004FordF-250 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2004FordF-350 Super Duty6.0LV8Intake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2003FordExcursionIntake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2003FordF-250 Super DutyIntake and ExhaustPositive Type; Contains 16, Priced as a Set; Fluoroelastomer
2003FordF-350 Super DutyIntake and ExhaustPositive Type; Contains 16, 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:

SS 71264

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.