Luk LMC431 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Chevrolet, GMC, Hummer, and Isuzu

The Luk LMC431 clutch master cylinder is designed to restore precise clutch control for manual transmission vehicles. Compatible with Chevrolet Canyon and Colorado, GMC Canyon and Colorado, Hummer H3, and Isuzu i-280 and i-290 models, this new part ensures consistent hydraulic performance.

• Includes push rod for direct installation
• Installation instructions provided for ease of use
• New, unused clutch master cylinder for reliable operation
• Does not include clutch slave cylinder or heat shield
• Requires manual bleeding; not pre-bled or pre-filled with fluid

Product Details and Specifications

The Luk LMC431 clutch master cylinder is a new replacement part engineered to meet OEM standards for manual transmission systems. It comes with a push rod included, facilitating proper connection to the clutch pedal assembly. While the unit does not come pre-filled with fluid or pre-bled, it includes detailed installation instructions to guide through the bleeding process. This clutch master cylinder is designed without a heat shield and does not include a clutch slave cylinder, making it suitable for applications where the slave cylinder is serviced separately.

Compatible Vehicles and Applications

This clutch master cylinder is compatible with a range of manual transmission vehicles, specifically:

• Chevrolet Canyon and Colorado
• GMC Canyon and Colorado
• Hummer H3
• Isuzu i-280 and i-290

It is ideal for restoring clutch hydraulic function in these models, ensuring smooth pedal operation and reliable clutch engagement.

Common Issues Addressed by Luk LMC431

• Spongy or soft clutch pedal feel
• Difficulty shifting gears due to hydraulic failure
• Clutch pedal sticking or not returning properly
• Fluid leaks from the master cylinder
• Loss of hydraulic pressure affecting clutch disengagement

Installation Notes and Tips

Installation instructions are included with the Luk LMC431 clutch master cylinder to assist with proper setup. Since the unit is not pre-filled or pre-bled, it is important to perform a thorough bleeding procedure after installation to remove air from the hydraulic system. Ensure the push rod is correctly adjusted to maintain proper pedal travel and engagement. This part is designed to be installed without a clutch slave cylinder, so verify the condition of the slave cylinder separately if applicable.

Quality Assurance and Warranty

The Luk LMC431 clutch master cylinder is a new part manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Luk products typically adhere to strict quality control processes to ensure reliability in manual transmission applications.