Luk LFW372 Clutch Flywheel

LuK LFW372 Flywheel for GM Trucks

The LuK LFW372 is a new clutch flywheel engineered to OE specifications for select Chevrolet and GMC heavy-duty trucks. It provides the smooth, flat friction surface needed for consistent clutch engagement and is a practical alternative to resurfacing during clutch service.

• New flywheel, never remanufactured
• OE-spec engineering for fit and function
• 12.047 in. flywheel diameter
• 30.6 mm flywheel diameter specification listed in metric
• 168 teeth for starter engagement
• 0 cup depth / step height
• Includes ring gear and dowel pins per manufacturer description

OE-Style Replacement Details

Built for clutch replacement service, the LuK LFW372 flywheel is manufactured to original-equipment specifications to help restore proper clutch contact and drivetrain operation. For Chevrolet C2500, Chevrolet C3500, Chevrolet K2500, Chevrolet K3500, GMC C2500, GMC C3500, GMC K2500, and GMC K3500 applications, this flywheel supports a direct-service replacement approach without resurfacing an existing unit. This part cross-references Sachs NFW1051 for the same application.

Vehicle Fitment

• Fits 1991-1995 Chevrolet C2500, N/A
• Fits 1991-1995 Chevrolet C3500, N/A
• Fits 1991-1995 Chevrolet K2500, N/A
• Fits 1991-1995 Chevrolet K3500, N/A
• Fits 1991-1995 GMC C2500, N/A
• Fits 1991-1995 GMC C3500, N/A
• Fits 1991-1995 GMC K2500, N/A
• Fits 1991-1995 GMC K3500, N/A
• Fits 1991 Chevrolet R3500, N/A
• Fits 1991 Chevrolet V3500, N/A
• Fits 1991 GMC R3500, N/A
• Fits 1991 GMC V3500, N/A

What This Flywheel Helps Address

• Uneven or worn clutch contact surface
• Clutch chatter during engagement
• Vibration caused by flywheel surface wear
• Starter ring gear wear concerns
• Service delays from resurfacing an existing flywheel

Installation Notes and Tips

Verify flywheel diameter, tooth count, and OE-style dimensions before installation. The LFW372 is intended for clutch service on 1991-1995 Chevrolet C2500, C3500, K2500, K3500 and GMC C2500, C3500, K2500, K3500 models, plus 1991 Chevrolet R3500, V3500, GMC R3500, and V3500 applications. Inspect the clutch assembly, pilot components, and crankshaft mounting surface during replacement to help ensure proper operation.

Quality Assurance

LuK manufactures this flywheel as a new component built to OE specifications, including the ring gear and dowel pins. The LFW372 is designed as a direct replacement part for clutch service on the listed Chevrolet and GMC truck applications.