Timken 710258 Engine Crankshaft Seal - Rear

Timken Rear Engine Crankshaft Seal 710258

Timken 710258 is a rear engine crankshaft seal for a wide range of Chevrolet, GMC, and Hummer applications. It is built to help retain engine oil at the crankshaft while keeping dirt and other contaminants out of the sealing area.

Key Features

• Precision sealing design for crankshaft oil control
• Reinforced outer case helps reduce installation damage and improve durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and promote seating
• Internal contamination exclusion system helps block debris that can lead to leakage
• Vent holes promote lubricant flow around the seal lip to reduce heat build-up

Detailed Description

This Timken rear crankshaft seal is engineered for dependable sealing performance in rear-mounted engine applications. The design helps maintain proper lubrication at the crankshaft while limiting contamination that can shorten seal life. Part number 710258 is a direct-fit service part for many Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, Chevrolet Express, GMC Savana, Suburban, Tahoe, Yukon, Blazer, and Hummer H1 applications listed below.

This part cross-references National (e.g., 710258) for the same application.

What It Helps Fix

• Rear main oil seepage at the crankshaft seal area
• Oil loss caused by worn or hardened sealing lips
• Contamination entering the seal interface
• Heat-related seal wear from poor lubricant circulation
• Leakage associated with minor shaft surface imperfections

Installation Notes and Tips

Verify the rear seal location and match the vehicle application before installation. Inspect the crankshaft sealing surface for wear, scoring, or contamination, and clean the area thoroughly before fitting the new seal. Proper alignment during installation is important to avoid damaging the seal case or lip. Confirm the seal seats evenly before reassembly.

Quality Assurance

Timken designs oil and grease seals with reinforced construction and contamination control features to support consistent sealing performance. Part number 710258 is built for the listed rear applications and follows Timken’s precision sealing approach.

Compatible With

• Fits 2001-2009 Chevrolet Silverado 2500 HD, Rear
• Fits 2007 Chevrolet Silverado 2500 HD Classic, Rear
• Fits 1996-2002 Chevrolet Express 2500, Rear
• Fits 1996-2002 Chevrolet Express 3500, Rear
• Fits 1992-2000 Chevrolet C2500, Rear
• Fits 1992-2000 Chevrolet C3500, Rear
• Fits 1992-2000 Chevrolet K2500, Rear
• Fits 1992-2000 Chevrolet K3500, Rear
• Fits 1995-1999 Chevrolet C1500 Suburban, Rear
• Fits 1994-1999 Chevrolet C2500 Suburban, Rear
• Fits 1995-1999 Chevrolet K1500 Suburban, Rear
• Fits 1994-1999 Chevrolet K2500 Suburban, Rear
• Fits 1992-1999 Chevrolet P30, Rear
• Fits 1995-1999 Chevrolet Tahoe, Rear
• Fits 1992-1998 Chevrolet C1500, Rear
• Fits 1992-1998 Chevrolet K1500, Rear
• Fits 1992-1996 Chevrolet G30, Rear
• Fits 1992-1995 Chevrolet G20, Rear
• Fits 1994 Chevrolet Blazer, Rear
• Fits 2001-2009 GMC Sierra 2500 HD, Rear
• Fits 2007 GMC Sierra 2500 HD Classic, Rear
• Fits 1996-2002 GMC Savana 2500, Rear
• Fits 1996-2002 GMC Savana 3500, Rear
• Fits 1992-2000 GMC C2500, Rear
• Fits 1992-2000 GMC C3500, Rear
• Fits 1992-2000 GMC K2500, Rear
• Fits 1992-2000 GMC K3500, Rear
• Fits 1995-1999 GMC C1500 Suburban, Rear
• Fits 1994-1999 GMC C2500 Suburban, Rear
• Fits 1995-1999 GMC K1500 Suburban, Rear
• Fits 1994-1999 GMC K2500 Suburban, Rear
• Fits 1992-1999 GMC P3500, Rear
• Fits 1992-1998 GMC K1500, Rear
• Fits 1992-1997 GMC C1500, Rear
• Fits 1994-1997 GMC Yukon, Rear
• Fits 1992-1996 GMC G3500, Rear
• Fits 1992-1995 GMC G2500, Rear
• Fits 2006 Hummer H1, Rear
• Fits 2002-2004 Hummer H1, Rear