Luk LFW273 Clutch Flywheel

LuK LFW273 Clutch Flywheel Overview

The LuK LFW273 clutch flywheel is a direct-fit replacement for select Mazda applications, including Mazda 3 and Mazda 5 models. Built to OE specifications, it provides the smooth, flat friction surface needed for consistent clutch engagement and reliable transmission operation.

For Mazda 3 and Mazda 5 clutch service, replacing the flywheel at the same time as the clutch can help restore proper drivability without resurfacing an old unit. The LuK LFW273 is all new, not remanufactured, and is engineered with the ring gear and dowel pins required for accurate installation.

Key Features

• OE-spec clutch flywheel for transmission service
• Flywheel diameter: 23.5 in. / 9.252 in.
• Flywheel inner diameter: 14.8 in. / 5.827 in.
• Flywheel cup depth/step height: -0.285 in. / -7.25 mm
• 112-tooth ring gear for proper starter engagement
• All-new construction, never remanufactured
• Engineered and manufactured to OE specifications

Detailed Description

The LuK LFW273 is a clutch flywheel made for Mazda 3 and Mazda 5 vehicles that need a precise replacement during clutch service. Its machined surface and OE-level dimensions help maintain correct clutch contact, while the 112-tooth ring gear supports dependable starter engagement. This part number, LFW273, is a practical choice when replacing worn or heat-affected flywheel components on 2004-2009 Mazda 3, 2006-2010 Mazda 5, and 2012-2014 Mazda 5 applications.

This part cross-references Monroe Shocks & Struts (e.g., 4160337100, L32711500B) for the same application.

Common Problems This Part Can Address

• Clutch chatter caused by an uneven flywheel surface
• Poor clutch engagement from heat spots or scoring
• Starter engagement issues related to ring gear wear
• Vibration or drivability concerns during clutch operation
• Repeat clutch service caused by reusing a worn flywheel

Installation Notes and Tips

Inspect the clutch, release components, and rear main seal during flywheel replacement. Verify flywheel diameter, inner diameter, and step height before installation, and follow the vehicle service manual for torque sequence and fastener specifications. For Mazda 3 and Mazda 5 clutch jobs, replacing the flywheel with the clutch assembly helps ensure a consistent mating surface and proper pedal feel.

Quality Assurance

LuK manufactures this flywheel to OE specifications using new components, including the ring gear and dowel pins, for accurate fit and dependable service. Part number LFW273 is built as a direct replacement for the listed Mazda applications.