Luk LMC131 Clutch Master Cylinder

Clutch Master Cylinder for Manual Transmission Service

This LuK clutch master cylinder is a new hydraulic replacement for manual transmission systems that need consistent clutch release performance. It includes a push rod and installation instructions, and it is supplied without a clutch slave cylinder.

Key Features

• New part for manual transmission clutch hydraulic service
• Push rod included for installation convenience
• Installation instructions included
• Not pre-filled and not pre-bled
• Supplied without clutch slave cylinder
• Heat shield not included

Product Details

LuK, part number LMC131, is built for vehicles using a hydraulic clutch release system. LuK has extensive experience in clutch release system development, moving from mechanical to hydraulic designs over many years through Schaeffler engineering. This clutch master cylinder is a direct-fit style replacement for manual transmission applications, including 1983-1986 Chevrolet S10, 1983-1986 Chevrolet S10 Blazer, 1984-1986 GMC S15, 1983-1986 GMC S15 Jimmy, and 1991 Oldsmobile Bravada. This part cross-references Sachs SH5003 for the same application.

Common Problems This Part Can Address

• Soft or inconsistent clutch pedal feel
• Hydraulic fluid leakage at the master cylinder
• Difficulty disengaging the clutch during shifting
• Delayed clutch release response
• Wear-related failure in the clutch hydraulic circuit

Installation Notes

Installation instructions are included. The unit is not pre-filled and not pre-bled, so the hydraulic system must be filled and bled after installation. Verify the push rod and hydraulic line connection points before installation, and confirm that the vehicle uses the correct manual transmission clutch master cylinder layout. Compatible with 1983-1986 Chevrolet S10 and S10 Blazer, 1984-1986 GMC S15 and 1983-1986 GMC S15 Jimmy, plus 1991 Oldsmobile Bravada.

Quality Assurance

LuK is recognized for its long-standing development of clutch release systems, and this LMC131 replacement reflects that engineering background for hydraulic clutch service.