FAG SR3520 Engine Camshaft Repair Sleeve - Rear or Right

Engine Camshaft Repair Sleeve for Precision Sealing

The FAG SR3520 engine camshaft repair sleeve restores sealing performance on a worn or damaged shaft surface without removing the shaft for machining. Made from heat-treated stainless steel, it provides a precise repair surface that helps extend shaft life and reduce premature wear.

Compatible With front and rear applications across select Chevrolet Silverado 2500 HD, GMC Sierra 3500, Porsche 928, Nissan Sentra, and Volkswagen Beetle fitments, this FAG repair sleeve is a practical solution when the original sealing area is no longer serviceable. The SR3520 is built for accurate shaft repair where a new sealing surface is needed.

• Precision repair sleeve for damaged camshaft and shaft sealing surfaces
• Heat-treated stainless steel construction for durability
• Helps restore sealing performance without shaft removal or machining
• Supports longer shaft service life by reducing further wear
• Cross-references National 99235 for the same application

Detailed Product Overview

The FAG SR3520 is an engine camshaft repair sleeve designed to create a new sealing surface over worn shaft areas. Key dimensions include a 2.362-inch shaft diameter, 2.785-inch flange diameter, 0.905-inch overall width, 0.787-inch width on shaft, and 1.375-inch installation depth. These measurements help ensure proper placement on the shaft during repair.

Fitment coverage includes 2001-2006 Chevrolet Silverado 2500 HD and Silverado 3500 front applications, 2001-2006 GMC Sierra 2500 HD and Sierra 3500 front applications, 2000-2003 Volvo C70 rear applications, and select Porsche 928, Nissan, Ford, Mercury, and Volkswagen applications. The SR3520 part number is also referenced under 4133520100 and National 99235.

Common Problems This Part Can Address

• Oil leakage at a worn camshaft or shaft sealing surface
• Premature seal wear caused by shaft scoring or groove damage
• Loss of sealing integrity on high-mileage engine hardware
• Need for a repair solution without machining the shaft
• Surface damage that prevents a new seal from seating correctly

Installation Notes and Tips

Clean the shaft thoroughly before installation and verify the repair area is free of burrs, debris, and heavy scoring. Measure the shaft diameter and installation depth against the listed dimensions before pressing the sleeve into place. Because this is a precision repair component, correct alignment is important for proper sealing performance.

Use the vehicle-specific fitment data to confirm whether your application is front or rear, including 2007 Chevrolet Silverado 2500 HD Classic front, 2007 GMC Sierra 3500 Classic front, and 1990-1992 Nissan Pathfinder front. For Porsche 928, Volkswagen Beetle, and other listed applications, match the notes and engine configuration shown in the fitment data before installation.

Quality Assurance

FAG manufactures this repair sleeve as a precision stainless steel component intended for accurate shaft sealing repair. The heat-treated construction and exact dimensional specifications support consistent fitment and long-term service in the listed applications.