Luk LFW115 Clutch Flywheel

LuK LFW115 Clutch Flywheel Overview

The LuK LFW115 is a new clutch flywheel engineered to OE specifications for smooth clutch engagement and a flat, consistent friction surface. It is a practical replacement choice when servicing the clutch on select Chevrolet S10 and GMC S15 applications, including S10 Blazer and S15 Jimmy models.

• New flywheel, never remanufactured
• OE-spec engineering and manufacturing
• 25 in. flywheel diameter (9.842 in. listed)
• 14.9 in. inner diameter (5.866 in. listed)
• 148-tooth ring gear
• 0 cup depth / step height

Detailed Product Information

Built as a clutch flywheel for transmission service, the LuK LFW115 provides the smooth, flat surface needed for proper clutch operation. Its OE-style construction includes the ring gear and dowel pins, helping maintain the correct interface for clutch installation and drivetrain function. For drivers searching for a flywheel for 1985-1993 Chevrolet S10, 1985-1988 Chevrolet S10 Blazer, 1985-1990 GMC S15, 1985-1988 GMC S15 Jimmy, or 1991-1993 GMC Sonoma, this part number offers a direct replacement option. This part cross-references Sachs NFW1008 for the same application.

What This Flywheel Helps Address

• Clutch chatter caused by an uneven flywheel surface
• Poor clutch engagement from worn friction contact areas
• Noise or drivability issues related to a damaged ring gear
• Fitment concerns during clutch replacement on OE-style applications
• Repeat service work tied to resurfacing limits or surface irregularities

Installation Notes and Tips

Inspect the clutch, pressure plate, and release components before installation, and verify that the flywheel mounting surface is clean and free of contamination. Confirm the 148-tooth count and OE-style dimensions match the vehicle application before assembly. For Chevrolet S10 and GMC S15 service, follow factory torque procedures and installation specifications for the exact model year.

Quality Assurance

LuK manufactures this flywheel to OE specifications using new components, including the ring gear and dowel pins, to support consistent fit and function in clutch service.