Mahle SS45922 Engine Valve Stem Oil Seal Set - Intake

Mahle SS45922 Valve Stem Oil Seal Set

Mahle SS45922 is an engine valve stem oil seal set built for intake-side sealing on select GM V8 applications. It uses a metal with molded rubber construction to help maintain a consistent seal at the valve stem and guide interface, supporting clean oil control in the cylinder head.

Compatible With 1997-2001 Chevrolet Corvette, intake, and other listed Chevrolet, GMC, and Pontiac applications, this Mahle valve stem seal set is a direct-fit sealing service part for engine repair work. The SS45922 part number is also a useful reference when matching OE-style replacement seals for the same application.

Key Features

• Mahle engine valve stem oil seal set for intake applications
• Metal with molded rubber construction for sealing durability
• Upper inside diameter: 7.1 mm
• Inside diameter: 0.28 in
• Outside diameter: 0.491 in
• Thickness and height: 0.019 in
• OE-style sealing solution for select GM engines
• Part number: SS45922

Detailed Description

Mahle SS45922 is engineered for intake valve stem sealing on 1997-2001 Chevrolet Corvette, 1998-2000 Chevrolet Camaro, 1999-2000 Chevrolet Silverado 1500, 1999-2000 Chevrolet Silverado 2500, 2000 Chevrolet Suburban 1500, 2000 Chevrolet Tahoe, 1999-2000 GMC Sierra 1500, 1999-2000 GMC Sierra 2500, 2000 GMC Yukon, 2000 GMC Yukon XL 1500, 2000 GMC Yukon XL 2500, and 1998-2000 Pontiac Firebird. The seal design uses a metal shell with molded rubber to support a stable fit on the valve stem while helping control oil entry into the intake port.

Mahle is known for sealing products used by OEMs and technicians worldwide, and the SS45922 follows that OE-focused approach with dimensions and materials matched to the listed applications. This part cross-references FEL-PRO SS 70945 and General Motors 12533586 for the same application.

What It Helps Address

• Oil consumption caused by worn intake valve stem seals
• Blue exhaust smoke after startup or deceleration
• Oil fouling on spark plugs from valve guide leakage
• Loss of sealing performance in high-mileage cylinder heads
• Service replacement during valve train or head work

Installation Notes and Tips

• Verify valve guide outside diameter and seal dimensions before installation.
• Confirm intake-side application and engine design for the vehicle being serviced.
• Inspect valve stems and guides for wear, scoring, or excessive clearance before fitting new seals.
• Use clean assembly practices to avoid damaging the molded rubber sealing surface.
• Follow the factory service procedure for the specific Chevrolet, GMC, or Pontiac engine.

Quality Assurance

Mahle sealing products are supplied to OE and professional repair standards, with materials and dimensions intended to support consistent engine sealing performance on the listed applications. Part number SS45922 is a dependable reference for intake valve stem oil seal service on compatible GM vehicles.