Luk 04-173 Transmission Clutch Kit

LuK 04-173 Clutch Kit Overview

The LuK 04-173 transmission clutch kit is built for select GM performance applications that need a complete clutch service solution. It includes the cover assembly, clutch disc, flywheel, necessary pilots, and an accessory pack for a more efficient repair on Corvette, Camaro, Firebird, GTO, and G8 applications.

As an OE supplier, LuK develops application-specific performance specifications for each vehicle platform. This LuK 04-173 kit is configured with a pull-type diaphragm pressure plate, an 11-3/4" clutch disc, and a 26-spline hub for the listed fitments.

Key Features

• Transmission clutch kit for select Chevrolet and Pontiac vehicles
• Pull type diaphragm pressure plate design
• 11-3/4" clutch disc diameter
• 26-spline clutch disc with 1-1/8" input shaft diameter
• 13-11/16" clutch diameter and 11-11/16" facing outer diameter
• Includes cover assembly, clutch disc, flywheel, necessary pilots, and accessory pack
• Four clutch disc springs for the listed application
• Release bearing not included

Detailed Product Description

LuK 04-173 is a transmission clutch kit engineered for standard-duty service on select 1997-2009 GM rear-wheel-drive performance cars. It is listed for the 2001-2004 Chevrolet Corvette, 1998-2002 Chevrolet Camaro, 1997-2000 Chevrolet Corvette, 1998-2002 Pontiac Firebird, 2004-2006 Pontiac GTO, and 2009 Pontiac G8. This part number is also referenced as 04-173 in related aftermarket listings.

This kit is built around a pull-type diaphragm pressure plate and a matched clutch disc assembly to support proper engagement characteristics for the specified vehicles. The included flywheel and pilot components help streamline a clutch replacement on Corvette, Camaro, Firebird, GTO, and G8 applications where the original parts are being serviced together.

This part cross-references Sachs K70185-01 for the same application.

Common Repair Uses

• Restoring clutch engagement after slipping under load
• Addressing chatter, shudder, or uneven take-up during shifts
• Replacing worn clutch disc friction material
• Servicing a damaged or heat-affected flywheel during clutch replacement
• Correcting drivability issues caused by worn pilot components

Installation Notes and Fitment

• Fits 2009 Pontiac G8, N/A; Flywheel included; Standard Duty
• Fits 2004-2006 Pontiac GTO, N/A; Flywheel included; Standard Duty
• Fits 2001-2004 Chevrolet Corvette, N/A; Flywheel included; Standard Duty
• Fits 1998-2002 Chevrolet Camaro, N/A; Flywheel included; Standard Duty
• Fits 1998-2002 Pontiac Firebird, N/A; Flywheel included; Standard Duty
• Fits 1997-2000 Chevrolet Corvette, N/A; Flywheel included; Standard Duty; Refer to LB181 regarding flywheel balance weights

Verify clutch diameter, spline count, and input shaft dimensions before installation. The release bearing is not included, so confirm whether the existing bearing should be reused or replaced separately. For 1997-2000 Chevrolet Corvette applications, review LB181 for flywheel balance weight details before assembly.

Quality Assurance

LuK is an original-equipment supplier with high in-house manufacturing content, and its RepSet clutch components are built around application-specific OE performance specifications. That engineering approach supports consistent fit and function for the listed Chevrolet Corvette, Camaro, Pontiac Firebird, Pontiac GTO, and Pontiac G8 applications.