Luk 04-020 Clutch Kit

LuK 04-020 Transmission Clutch Kit

LuK 04-020 is a transmission clutch kit built for manual-transmission service on a wide range of classic Chevrolet, Pontiac, Buick, Oldsmobile, and GMC applications. It includes the core clutch components needed for a proper clutch replacement, with OE-focused engineering for vehicles such as the Chevrolet Camaro, Corvette, and Pontiac Firebird.

Key Features

• Push type diaphragm pressure plate for the listed applications
• 11-1/16" clutch disc diameter with 26-spline disc configuration
• 1-1/8" input shaft diameter
• 13-9/16" clutch diameter and 10-15/16" clutch plate facing outer diameter
• Five-spring clutch disc design
• Kit contents include cover assembly, clutch disc, release bearing, all necessary pilots, and accessory pack
• OE supplier engineering for application-specific performance specifications

Detailed Description

Built under the LuK RepSet approach, part number 04-020 brings together the clutch components commonly needed for a complete manual transmission clutch service. LuK develops the performance specifications for individual vehicle applications as an original-equipment supplier, and this kit reflects that application-specific focus. It is a direct-fit choice for many 1968-1981 GM passenger cars and trucks, including Chevrolet Camaro, Chevrolet Corvette, Pontiac Firebird, Chevrolet Monte Carlo, Buick Riviera, and GMC Jimmy listings shown in the fitment data.

This part cross-references Sachs K1877-04 and Valeo 52802207 for the same application.

What It Helps Address

• Clutch slip during acceleration
• Hard or inconsistent clutch engagement
• Worn release bearing noise or rough operation
• Shudder or chatter on takeoff
• Difficulty restoring proper pedal feel after clutch wear

Installation Notes and Tips

• Verify transmission and spline match before installation; this kit lists a 26-spline clutch disc.
• Check the release bearing and fork attachment requirements noted in the fitment data, including LB179 references where specified.
• Confirm clutch diameter and input shaft dimensions against the vehicle’s original setup before assembly.
• Inspect the flywheel and related clutch surfaces during service to support proper break-in and engagement.

Quality Assurance

LuK is an OE supplier with high in-house manufacturing content and application-specific engineering standards. Part number 04-020 is built to match the performance specifications called for by the listed vehicle applications.