InMotion WS711129 Engine Crankshaft Seal - Front

Overview

InMotion WS711129 is a differential pinion seal built to help maintain a tight barrier against contaminants and fluid loss. It uses fluoro-elastomer material for sealing performance in demanding driveline service, and it is listed for front applications on a wide range of Cadillac, Chevrolet, and GMC vehicles.

For shoppers looking for a front differential pinion seal for Cadillac CTS, Chevrolet Silverado 1500, or GMC Sierra 1500 applications, WS711129 provides a direct-fit service part reference for the listed vehicles.

Key Features

• Fluoro-elastomer construction for sealing durability.
• Helps block debris and moisture from entering the differential.
• Supports leak control at the pinion sealing surface.
• Fits front applications across multiple Cadillac, Chevrolet, and GMC models.
• Part number WS711129 for easy catalog matching.

Detailed Description

WS711129 is engineered as a differential pinion seal for front driveline service. The seal is designed around precise dimensions and a fluoro-elastomer sealing material to maintain contact at the housing bore and shaft interface, helping protect internal differential components from contamination and lubricant loss. This makes it a practical replacement for vehicles that need a front differential pinion seal with consistent sealing performance.

Fitment includes 2014-2019 Cadillac CTS, front; 2014-2019 Cadillac Escalade, front; 2014-2019 Cadillac Escalade ESV, front; 2014-2019 Chevrolet Camaro, front; 2014-2019 Chevrolet Corvette, front; 2014-2019 Chevrolet Silverado 1500, front; 2019 Chevrolet Silverado 1500 LD, front; 2015-2019 Chevrolet Suburban, front; 2014-2019 Chevrolet Tahoe, front; 2014-2019 GMC Sierra 1500, front; 2019 GMC Sierra 1500 Limited, front; 2014-2019 GMC Yukon, front; 2015-2019 GMC Yukon XL, front; 2014-2017 Chevrolet SS, front; 2014 Chevrolet Express 1500, front; 2014 Chevrolet Suburban 1500, front; 2014 GMC Savana 1500, front; and 2014 GMC Yukon XL 1500, front.

This part cross-references no listed interchange numbers in the provided data. The WS711129 part number should be matched carefully to the vehicle’s front differential application before installation.

What It Helps Address

• Fluid seepage at the differential pinion area.
• Contamination from dirt and moisture entering the differential.
• Wear-related sealing loss at the pinion interface.
• Service replacement needs for front differential sealing.
• Fitment matching for Cadillac, Chevrolet, and GMC driveline repairs.

Installation Notes

Confirm the vehicle’s front differential application and compare the seal dimensions before installation. Clean the sealing surfaces thoroughly and inspect the pinion area for wear, scoring, or damage that could affect seal life. Proper installation technique is important to maintain sealing integrity on this WS711129 part.

Quality Assurance

InMotion specifies precision engineering and high-quality materials for this seal. The fluoro-elastomer construction is selected for sealing durability in differential service, and the part is built to support reliable containment of lubricant and exclusion of contaminants.