Mahle SS45591 Engine Valve Stem Oil Seal Set - Exhaust

Reliable Engine Valve Stem Oil Seal Set for Select GM and Ford Vehicles

The Mahle SS45591 Engine Valve Stem Oil Seal Set is designed to provide precise sealing performance for a range of Buick, Chevrolet, Ford, Oldsmobile, and Pontiac models. Engineered with durable fluoroelastomer material, this valve stem seal set ensures effective oil control and long-lasting reliability.

• Inside Diameter: 0.341 inches (8.7 mm)
• Outside Diameter: 0.562 inches
• Thickness: 0.019 inches
• Height: 0.019 inches (0.48 mm overall height)
• Constructed from high-quality fluoroelastomer for enhanced durability and heat resistance

Precision Engine Valve Stem Seal Specifications

The Mahle SS45591 valve stem oil seal set features a compact design with an inside diameter of 0.341 inches and an outside diameter of 0.562 inches, making it suitable for tight engine tolerances. The fluoroelastomer material offers excellent resistance to heat, oil, and wear, which is critical for maintaining proper valve stem lubrication and preventing oil leaks. With a thickness and height of 0.019 inches, this seal set fits securely to maintain engine efficiency and reduce emissions.

Compatible Vehicle Applications

This valve stem seal set is compatible with a variety of vehicles, including Buick models like the Century, LeSabre, and Park Avenue; Chevrolet models such as the Caprice, Impala, and Monte Carlo; Ford trucks including the F-150, F-250, and E-350 Econoline series; Oldsmobile models like the Cutlass Ciera and Delta 88; and Pontiac vehicles including the Firebird, Grand Prix, and Bonneville. The part number SS45591 ensures correct fitment for these specific makes and models.

Common Engine Issues Addressed by Valve Stem Oil Seals

• Prevents excessive oil consumption caused by worn or damaged valve stem seals
• Reduces blue smoke emissions from burning oil in the combustion chamber
• Maintains proper valve lubrication to avoid valve guide wear
• Helps prevent oil leaks around the valve stems
• Supports consistent engine performance and efficiency

Installation Notes and Tips

When installing the Mahle SS45591 valve stem oil seal set, ensure the engine is cool and clean the valve stem area thoroughly before installation. Use appropriate tools to avoid damaging the seals during placement. Verify the correct orientation of the seals to maintain proper sealing function. It is recommended to inspect valve guides and stems for wear and replace if necessary to ensure optimal performance.

Quality Assurance and Warranty

Mahle manufactures the SS45591 valve stem oil seal set to meet strict OEM standards, ensuring reliable performance and durability. The use of fluoroelastomer material provides resistance to heat and chemical degradation. While specific warranty details are not provided, Mahle products typically come with manufacturer-backed quality assurance to support long-term engine reliability.