Timken SL260378 Manual Transmission Output Shaft Seal - Left

Timken SL260378 Manual Transmission Output Shaft Seal

The Timken SL260378 is a manual transmission output shaft seal built for precise lubricant control and contamination exclusion. It is a direct-fit service part for select Chevrolet Spark applications, including Fits 2013-2018 Chevrolet Spark, left.

Key Features

• Precision sealing design helps retain transmission lubricant and block outside contaminants
• Reinforced outer case resists installation damage and supports long-term durability
• Ribbed rubber inner diameter helps seal minor shaft imperfections and promotes stable seating
• Internal exclusion features help keep debris out of the sealing area
• Vent holes promote lubricant flow around the seal lip to reduce heat buildup

Detailed Description

Timken SL260378 is a manual transmission output shaft seal engineered for the transmission and sealing demands of select Chevrolet Spark models. Its sealing profile is designed to maintain lubricant inside the transmission while helping prevent dirt and other contaminants from entering the assembly. This part cross-references National 711041 for the same application. The SL260378 is a practical replacement choice when servicing a Chevrolet Spark left-side output shaft seal.

Common Problems This Seal Can Address

• Transmission fluid seepage at the output shaft area
• Contamination entering the seal interface
• Seal wear from heat and lubricant breakdown
• Leakage caused by minor shaft surface imperfections
• Reduced sealing performance after service or high-mileage use

Installation Notes and Tips

Inspect the shaft surface, seal bore, and surrounding components before installation. Clean the sealing area thoroughly, and verify the seal is seated squarely to avoid distortion. Confirm application details against the vehicle’s transmission configuration before service. Fits 2013-2018 Chevrolet Spark, left.

Quality Assurance

Timken manufactures oil and grease seals with reinforced construction and contamination-control features to support consistent sealing performance in drivetrain service.