Luk LMC439 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Nissan Altima and Maxima

The Luk LMC439 clutch master cylinder is designed specifically for Nissan Altima and Maxima models, providing precise hydraulic control for manual transmission systems. This new part ensures consistent clutch engagement and smooth shifting performance.

Key Features of Luk LMC439 Clutch Master Cylinder

• Includes installation instructions for straightforward replacement
• Equipped with a push rod for direct connection to the clutch pedal
• Does not include a clutch slave cylinder, sold separately
• New part, ensuring reliability and durability
• Pre-filled fluid and pre-bled system are not included, requiring manual bleeding
• Heat shield is not included

Detailed Product Description

The Luk LMC439 clutch master cylinder is engineered to meet the exact specifications of Nissan Altima and Maxima manual transmission systems. As a critical component in the hydraulic clutch mechanism, it transfers the force from the clutch pedal to the clutch slave cylinder, enabling smooth gear changes. This part comes with a push rod included, facilitating proper pedal linkage installation. While it does not come pre-filled with fluid or pre-bled, this allows for a fresh hydraulic setup tailored to your vehicle’s needs. Installation instructions are provided to assist with the replacement process.

Common Applications and Issues Addressed

• Restores clutch pedal pressure and responsiveness
• Eliminates clutch engagement problems caused by a failing master cylinder
• Resolves fluid leaks that lead to clutch slippage or incomplete disengagement
• Prevents air entry into the hydraulic system by replacing worn components
• Improves overall manual transmission performance in Nissan Altima and Maxima vehicles

Installation Notes and Tips

Installation of the Luk LMC439 clutch master cylinder requires manual bleeding of the hydraulic system to remove air and ensure proper clutch operation. The included push rod must be correctly adjusted to match the clutch pedal travel. Follow the provided installation instructions carefully to avoid misalignment or leaks. Since the part is not pre-filled with fluid, use the manufacturer-recommended brake fluid during installation.

Quality Assurance and Warranty

This Luk clutch master cylinder is a new, OEM-quality replacement part designed to meet or exceed original equipment standards. While specific warranty details are not provided, Luk products typically come with manufacturer-backed quality assurance to support reliable performance in Nissan Altima and Maxima manual transmission systems.