Timken 710551 Engine Crankshaft Seal - Front

Timken 710551 Front Engine Crankshaft Seal

Timken 710551 is a front engine crankshaft seal built to retain oil and grease while keeping dirt and other contaminants out of the sealing area. It is a direct-fit service part for a wide range of GM and Isuzu applications, including Chevrolet Colorado, GMC Canyon, and Trailblazer front seal replacements.

Key Features

• Precision sealing design helps control lubricant loss at the crankshaft
• Reinforced outer case helps resist 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 contribute to leakage
• Vent holes allow lubricant flow around the seal lip to help reduce heat build-up

Detailed Description

Timken 710551 is an engine crankshaft seal for the front position, engineered for vehicles that need dependable sealing at the crankshaft interface. It is compatible with 2003-2010 Chevrolet Colorado, 2004-2010 GMC Canyon, 2005-2009 Chevrolet Trailblazer, 2005-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender, 2005-2007 Buick Rainier, 2005-2006 Chevrolet Trailblazer EXT, 2005-2006 GMC Envoy XL, 2005 GMC Envoy XUV, 2006 Isuzu i-280, 2006 Isuzu i-350, and 2004 Buick Rainier, Chevrolet Colorado, Chevrolet Trailblazer, GMC Canyon, GMC Envoy, and Oldsmobile Bravada front applications with the noted 40mm I.D. configurations. This part number, 710551, is a practical choice when replacing a worn front crankshaft seal on GM and Isuzu platforms.

What It Helps Address

• Oil seepage at the front crankshaft seal
• Grease or lubricant escape from the sealing area
• Contamination entering the seal lip area
• Leakage related to minor spindle surface imperfections
• Heat-related seal wear from poor lubricant circulation

Installation Notes and Tips

Confirm the engine’s front seal dimensions and balancer configuration before installation, especially on 2004 Chevrolet Trailblazer and 2004 GMC Envoy applications with the 40mm I.D. and 2nd design notes. Inspect the crankshaft sealing surface for wear, clean the bore thoroughly, and install the seal squarely to avoid lip damage. Verify the replacement matches the vehicle’s exact year, make, model, and front-position requirements before service.

Quality Assurance

Timken manufactures oil and grease seals with precision sealing features and contamination control details intended to support reliable service life in engine applications.