Luk LFW149 Clutch Flywheel

LuK LFW149 Flywheel Overview

The LuK LFW149 clutch flywheel is a new OE-spec replacement for manual transmission service on select Chevrolet S10, GMC Sonoma, GMC S15, Chevrolet S10 Blazer, and Isuzu Rodeo applications. It provides the smooth, flat friction surface needed for proper clutch engagement and is a practical alternative to resurfacing an existing flywheel.

Key Features

• New flywheel, never remanufactured
• Engineered and manufactured to OE specifications
• Flywheel diameter: 10.039 in. / 25.5 mm
• Inner diameter: 14.6 in. / 5.748 in.
• Number of teeth: 148
• Flywheel cup depth/step height: 0
• Includes ring gear and dowel pins as part of OE-style construction

Fitment Details

• Fits 1988-1993 Chevrolet S10, N/A, w/ Casting # 14046567
• Fits 1991-1993 GMC Sonoma, N/A, w/ Casting # 14046567
• Fits 1991-1992 Isuzu Rodeo, N/A, Borg-Warner Transmission; w/ Casting # 14046567
• Fits 1988-1990 GMC S15, N/A, w/ Casting # 14046567
• Fits 1989 Chevrolet S10 Blazer, N/A, w/ Casting # 14046567

What This Flywheel Helps Address

• Uneven or worn clutch contact surface
• Clutch chatter during engagement
• Vibration caused by flywheel surface irregularities
• Repeat clutch service when resurfacing is no longer the preferred option
• Fitment concerns on vehicles requiring casting # 14046567

Installation Notes

Verify casting number 14046567 before installation and confirm the flywheel matches the vehicle’s transmission and engine application. Inspect the clutch, pressure plate, and release components during service, and replace worn parts as needed to restore proper clutch operation. This part cross-references Sachs NFW1009 for the same application.

Quality Assurance

LuK manufactures this flywheel to OE specifications for dimensional accuracy and consistent clutch contact. The LFW149 is a new component, not a remanufactured unit, and is built to support reliable service in manual transmission clutch replacement.