Timken KWK99452 Engine Crankshaft Repair Sleeve - Rear

Timken KWK99452 Crankshaft Repair Sleeve

Restore a seal-worn shaft surface without machining with the Timken KWK99452 crankshaft repair sleeve. This stainless steel, hard-chromed sleeve provides a precise sealing surface for lip seals and is built for rear applications on a wide range of Chevrolet, GMC, and Hummer vehicles.

Key Features

• Precision-engineered stainless steel sleeve with hard chrome finish for extended service life
• Thin-wall design preserves seal size for lip-sealing applications
• No expensive preparation or shaft machining required before installation
• Removable installation flange helps reduce sleeve distortion during mounting
• Includes its own installation tool for shaft installation without removing the shaft
• Fits rear manual transmission output shafts and differential pinions on select applications

Application Details

The Timken KWK99452 is a Kwik-Sleeves engine crankshaft repair sleeve used to renew worn sealing surfaces on rear shafts. It is a practical repair solution for 1992-2016 Chevrolet Silverado, GMC Sierra, Chevrolet Express, GMC Savana, Chevrolet C/K trucks, Suburban, Tahoe, Yukon, Hummer H1, and related heavy-duty platforms where a worn seal surface can cause leakage. This part number, KWK99452, is commonly searched for rear shaft repair on Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD applications.

What It Helps Fix

• Oil or fluid leakage from a worn shaft sealing surface
• Grooves or wear marks where the lip seal rides
• Need for shaft repair without replacing the shaft
• Downtime caused by machining or extensive surface preparation
• Seal failure on rear output shafts and differential pinions

Installation Notes

Install the sleeve on a clean, inspected shaft surface and follow the supplied tool procedure to minimize distortion. The removable flange supports accurate placement and helps the sleeve slide into position without removing the shaft. Verify the seal contact area is smooth and properly aligned before returning the vehicle to service. Fits 2007-2016 Chevrolet Silverado 3500 HD, rear; Fits 2001-2009 Chevrolet Silverado 2500 HD, rear; Fits 2006 Hummer H1, rear.

Quality Assurance

Timken Kwik-Sleeves are precision engineered for consistent fit and sealing performance. The KWK99452 uses stainless steel construction with a hard chrome surface to support long-term wear resistance in demanding drivetrain repair applications.