Luk 10-040 Clutch Kit

LuK 10-040 Clutch Kit Overview

The LuK 10-040 transmission clutch kit is built for manual-transmission service on select Mazda, Kia, and Mercury applications. It combines OE-style clutch components with application-specific engineering for a direct replacement approach on vehicles such as the Mazda Protege, Mazda 2, Mazda MX-3, Kia Sephia, and Mercury Capri.

LuK develops performance specifications for individual vehicle applications as an original-equipment supplier, and this RepSet-style kit reflects that focus with matched clutch hardware and release components for service work on the drivetrain.

Key Features

• Part number: 10-040
• Transmission clutch kit for manual transmission service
• Push type diaphragm pressure plate
• 8-inch clutch disc diameter
• 10-3/16-inch clutch diameter
• 20-spline clutch disc configuration with 7/8-inch input shaft diameter
• 4-spring clutch disc design
• Kit contents include cover assembly, clutch disc, release bearing, necessary pilots, and accessory pack
• OE-focused design from LuK, a supplier that develops specifications for individual vehicle applications

Detailed Description

LuK 10-040 is a transmission clutch kit engineered for service replacement on select compact and subcompact manual-transmission vehicles. The kit centers on a push type diaphragm pressure plate and an 8-inch clutch disc with a 20-spline layout, making it a fitment-specific solution for drivetrain repair on Mazda Protege, Mazda 2, Mazda MX-3, Kia Sephia, and Mercury Capri applications. The LuK 10-040 part number is also referenced in aftermarket interchange listings for related applications, including Sachs KF759-02 and Valeo 52002001.

As part of LuK’s RepSet approach, the kit is organized around the components commonly needed for clutch service, including the cover assembly, clutch disc, release bearing, necessary pilots, and accessory pack. That OE-oriented structure helps support a clean replacement process when addressing clutch wear on vehicles covered by the listed fitments.

What This Clutch Kit Helps Address

• Clutch slip during acceleration
• Hard or inconsistent clutch engagement
• Chatter or shudder when taking off from a stop
• Noise from a worn release bearing
• Service replacement for worn clutch components in manual-transmission drivetrains

Installation Notes and Tips

Confirm the vehicle’s transmission specifications before ordering, including clutch diameter, spline count, and input shaft diameter. This kit is listed for Fits 2011-2014 Mazda 2, Fits 1990-2003 Mazda Protege, Fits 1994-1997 Kia Sephia, Fits 1994-1995 Mazda MX-3, and Fits 1991-1994 Mercury Capri. For best results, inspect the flywheel, hydraulic system, and related wear surfaces during clutch service, and verify all mating parts are clean before assembly.

Quality Assurance

LuK is an original-equipment supplier that develops performance specifications for individual vehicle applications, and the brand is known for high in-house manufactured content across its clutch offerings. The 10-040 clutch kit follows that OE-focused engineering approach for service replacement on the listed applications.