Luk LSC644 Clutch Slave Cylinder

Clutch Slave Cylinder for Chevrolet Spark

LuK LSC644 is a clutch slave cylinder for manual transmission applications on select Chevrolet Spark models. It supports hydraulic clutch release operation for 2013-2015 Chevrolet Spark vehicles and is a direct-fit service part for this application.

Key Features

• Clutch slave cylinder for manual transmission systems
• Fits 2013-2015 Chevrolet Spark
• LuK part number LSC644
• OE-style hydraulic clutch release component
• Cross-references Four Seasons 73644 for the same application

Product Details

LuK has extensive experience in hydraulic clutch release systems, and that background is reflected in this clutch slave cylinder. The LSC644 is built for Chevrolet Spark manual transmission service where consistent hydraulic actuation is required. If you are replacing a worn clutch slave cylinder on a 2013 Chevrolet Spark, 2014 Chevrolet Spark, or 2015 Chevrolet Spark, this part provides the correct application match.

This part cross-references Four Seasons 73644 for the same application.

Common Issues It May Solve

• Hard or inconsistent clutch pedal feel
• Hydraulic fluid leakage at the slave cylinder
• Difficulty disengaging the clutch
• Incomplete clutch release during shifting
• Loss of hydraulic pressure in the clutch system

Installation Notes and Tips

Verify the vehicle is a manual transmission Chevrolet Spark before ordering. Inspect the hydraulic clutch system for leaks, air in the lines, and worn related components during replacement. Confirm the part number LSC644 matches the application before installation.

Quality Assurance

LuK is recognized for its long-standing development work in hydraulic clutch release systems, backed by Schaeffler’s clutch system expertise. That engineering background supports consistent fitment and service performance for the Chevrolet Spark application.