Mahle SS45905 Engine Valve Stem Oil Seal Set - Intake and Exhaust

Mahle SS45905 Valve Stem Oil Seal Set

Mahle SS45905 is an engine valve stem oil seal set for intake and exhaust service on a wide range of GM vehicles. Built with metal and molded rubber construction, it provides the sealing dimensions needed for valve stem applications where oil control and consistent stem sealing matter.

Key Features

• Engine valve stem oil seal set for intake and exhaust positions
• Metal with molded rubber seal material for durable sealing performance
• Upper inside diameter at valve side: 6.05 mm
• Inside diameter: 0.238 in
• Outside diameter: 0.541 in
• Height: 0.036 in
• Thickness: 0.036 in
• Mahle SS45905 is built to match the dimensional requirements of listed applications

Detailed Description

Mahle SS45905 is an OE-style engine valve stem oil seal set used on intake and exhaust valves across multiple Chevrolet, Buick, Pontiac, Oldsmobile, and Saturn applications. The seal design combines metal and molded rubber to support a secure fit at the valve stem while maintaining the dimensional profile required for proper oil control. For buyers searching for a valve stem seal set for a 2005-2009 Chevrolet Equinox, 1999-2006 Chevrolet Malibu, or 2000-2005 Pontiac Grand Am, this part number provides a direct match to the listed engine sealing applications. Mahle SS45905 also cross-references FEL-PRO SS 70829 and General Motors 24508009 for the same application.

What It Helps Address

• Oil leakage past worn valve stem seals
• Blue exhaust smoke caused by oil entering the combustion chamber
• Oil consumption related to deteriorated stem sealing
• Rough idle or fouled spark plugs linked to valve seal wear
• Loss of sealing integrity during cylinder head service

Installation Notes and Tips

Verify valve stem diameter and seal dimensions before installation. Mahle SS45905 is listed for intake and exhaust positions, so confirm the engine application against the vehicle fitment data before ordering. Clean the valve guide area thoroughly and inspect the valve stems for wear, scoring, or carbon buildup before installing new seals. This part fits 2005-2009 Chevrolet Equinox, intake and exhaust; 2006-2009 Pontiac Torrent, intake and exhaust; 2002-2007 Buick Rendezvous, intake and exhaust; 2005-2006 Buick Terraza, intake and exhaust; 1999-2006 Chevrolet Malibu, intake and exhaust; 2005-2006 Chevrolet Uplander, intake and exhaust; 2005-2006 Pontiac G6, intake and exhaust; 2000-2006 Pontiac Montana, intake and exhaust; 2005-2006 Saturn Relay, intake and exhaust; 2000-2005 Buick Century, intake and exhaust; 2000-2005 Chevrolet Impala, intake and exhaust; 2000-2005 Chevrolet Monte Carlo, intake and exhaust; 2001-2005 Pontiac Aztek, intake and exhaust; 2000-2005 Pontiac Grand Am, intake and exhaust; 2000-2004 Oldsmobile Alero, intake and exhaust; 2000-2004 Oldsmobile Silhouette, intake and exhaust; 2000-2003 Pontiac Grand Prix, intake and exhaust; 2000-2001 Chevrolet Lumina, intake and exhaust; 1999 Oldsmobile Cutlass, intake and exhaust.

Quality Assurance

Mahle supplies sealing products used by OEMs and technicians worldwide, and SS45905 follows the dimensional and material specifications needed for engine valve stem sealing service. The part number SS45905 is supported by established interchange references and broad GM fitment coverage for 1999-2009 applications.