Luk LFW140 Clutch Flywheel

LuK LFW140 Flywheel for Ford Super Duty

The LuK LFW140 is a new clutch flywheel engineered to OE specifications for Ford diesel truck applications. It provides the flat, smooth friction surface needed for consistent clutch engagement and is a practical alternative to resurfacing during clutch service.

Key Features

• New, never remanufactured flywheel
• OE-spec engineering for fit, form, and function
• 12.992 in. flywheel diameter for the listed Ford applications
• 155-tooth ring gear
• 0.634 in. cup depth / step height
• 24 in. inner diameter
• Designed as a solid flywheel option for select Ford F-250 and F-350 diesel trucks

Detailed Description

Built for clutch replacement service, the LuK LFW140 flywheel is made to deliver the correct mounting and friction surface characteristics required for proper clutch operation. It is engineered and manufactured to OE specifications, including the ring gear and dowel pins, which helps maintain the dimensional accuracy expected in Ford F-250, Ford F-350, and Ford F-250 Super Duty or F-350 Super Duty clutch jobs. This part number, LFW140, is a direct-fit solid flywheel solution for the listed applications and a cost-effective alternative to resurfacing an existing unit.

This part cross-references Sachs NFW1068 and FEL-PRO 773 for the same application.

What It Helps Address

• Uneven or worn clutch contact surface
• Chatter or inconsistent clutch engagement
• Flywheel damage found during clutch replacement
• Need to convert from a dual-mass flywheel to a solid flywheel on listed Ford trucks
• Service concerns tied to incorrect flywheel step height or tooth count

Installation Notes and Tips

• Fits 1999-2003 Ford F-250 Super Duty, N/A
• Fits 1999-2003 Ford F-350 Super Duty, N/A
• Fits 1997 Ford F-250 HD, N/A; solid flywheel option compatibility may vary with specific clutch kits
• Fits 1996-1997 Ford F-350, N/A; solid flywheel option
• Fits 1996 Ford F-250, N/A; solid flywheel option
• Fits 1995 Ford F-250, N/A; solid flywheel option
• Fits 1995 Ford F-350, N/A; solid flywheel option
• Fits 1994 Ford F-250, N/A; solid flywheel option
• Fits 1994 Ford F-350, N/A; solid flywheel option
• For 1995-1994 applications, replace master and slave cylinders with LMC176 and LSC158 and refer to LB172 and LB188 for upgrade details
• For 1994 applications, factory turbo and VIN fuel-injection designation notes apply

Quality Assurance

LuK manufactures this flywheel to OE specifications with new components, including the ring gear and dowel pins, for consistent service fitment and clutch operation.