Mahle SS45779 Engine Valve Stem Oil Seal Set - Exhaust

Reliable Engine Valve Stem Oil Seal Set for GM Vehicles

The Mahle SS45779 Engine Valve Stem Oil Seal Set is designed to provide precise sealing performance for a range of General Motors vehicles. Engineered to exact specifications, this valve stem seal set helps maintain optimal engine function by preventing oil leaks around the valve stems.

• Inside Diameter: 0.341 inches (8.7 mm)
• Outside Diameter: 0.76 inches
• Thickness: 0.023 inches
• Height: 0.023 inches (0.58 mm overall height)
• Compatible with multiple GM makes and models including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac

Precision Dimensions for Effective Sealing

The Mahle SS45779 valve stem oil seal set features an inside diameter of 0.341 inches and an outside diameter of 0.76 inches, ensuring a tight fit around the valve stem to prevent oil leakage. With a thickness and height of 0.023 inches, these seals maintain proper clearance and durability under engine operating conditions. The upper inside diameter on the valve side measures 8.7 mm, providing a secure seal where it matters most.

Compatible GM Models and Applications

This valve stem oil seal set is compatible with a wide range of GM vehicles, including popular models such as the Chevrolet Camaro, Corvette, Impala, and Silverado series (C10, C1500, C3500). It also fits Buick models like the Century and Regal, Cadillac Brougham and Fleetwood, Pontiac Firebird and Grand Prix, as well as GMC trucks and SUVs including the Yukon and Jimmy. The part number SS45779 ensures you receive the correct seal set for these applications.

Common Engine Issues Addressed

• Prevents oil leaks around valve stems
• Reduces valve guide wear caused by oil contamination
• Maintains proper oil control for efficient combustion
• Helps avoid blue smoke from exhaust due to oil burning
• Supports engine longevity by preserving valve train components

Installation Notes and Tips

When installing the Mahle SS45779 valve stem oil seal set, ensure the engine is cool and clean the valve stem area thoroughly. Use appropriate tools to avoid damaging the seals during installation. Verify the seal orientation matches the valve side specifications, and replace seals in sets to maintain balanced engine performance.

Quality Assurance and Warranty

Mahle manufactures the SS45779 valve stem oil seal set to meet OEM standards, ensuring reliable fit and function. Each seal undergoes rigorous quality control to provide consistent sealing performance. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects.