4R100 Master Rebuild Kit

Features:

• Complete 4R100 transmission rebuild solution
• Fits 1999–2002 Ford F250/F350/F450 7.3L Powerstroke
• Includes all rings, seals, paper, and rubber
• Comes with all steel and friction clutch discs
• New bearings, bushings, washers, and sprags included
• Includes filter and band for full overhaul
• Replaces low, forward, direct, and overdrive clutches
• Ideal for restoring lost transmission performance
• Built for high-torque diesel applications
• Covers every major internal wear component
• Designed for durability and long-term reliability
• Core charges apply to pressure plates only

Breathe New Life Into Your Powerstroke Transmission

If your 7.3L Powerstroke isn’t shifting like it used to, it might be time to bring your 4R100 back to life, and this ATS Master Rebuild Kit is the all-in-one solution you’ve been looking for. Whether your truck is slipping gears, shuddering on shifts, or just showing its age, this kit gives you everything needed to restore smooth, confident operation. It’s packed with all the seals, rings, and clutches to replace the worn-out internals that are dragging your performance down. You even get a new filter, band, bushings, pistons, and bearings, so you’re not left chasing down parts halfway through the job. Built for the demands of diesel trucks, this kit is a perfect fit for your 1999–2002 F250, F350, or F450 Powerstroke. If you’re the kind of owner who wants to rebuild it right the first time, this comprehensive kit lets you do just that with no shortcuts. It’s not just a fix, it’s an upgrade that keeps your truck pulling hard and running strong for the long haul.

Built With Precision For Total Transmission Overhaul

The ATS 313-920-3224 4R100 Master Rebuild Kit is engineered to completely restore and reinforce the 4R100 transmission found in 1999 to 2002 Ford Super Duty trucks equipped with the 7.3L Powerstroke diesel engine. This kit includes a full array of internal components, from all the required rings, seals, and rubber parts to friction and steel clutch discs for every gear range including low reverse, forward, direct, intermediate, overdrive, and coast clutches. It also features critical wear items like new pistons, bearings, bushings, washers, and sprags, all selected for durability under high torque conditions. A replacement filter and band are included, allowing for a complete teardown and rebuild without sourcing additional parts. The design of the kit supports both stock and mildly upgraded transmission builds, ensuring strong, consistent shifts under heavy load. Core charges apply to key pressure plates, so be sure to return those components if needed during your build. This kit is built for technicians and experienced DIYers alike who want a factory-quality rebuild without compromise.

Fits: 1999, 2000, 2001, 2002 Ford F250/F350 7.3L Powerstroke

Notes:

• Designed for 1999–2002 Ford F250, F350, and F450 with 7.3L Powerstroke
• Compatible specifically with the 4R100 automatic transmission
• Includes all required seals, rings, clutches, and steel discs
• Kit contains new pistons, bearings, bushings, and washers
• Includes replacement filter and band for full rebuild
• Sold as a complete overhaul solution for worn transmissions
• Core charges apply to OD, intermediate, and forward pressure plates
• Intended for use in stock or mild performance applications
• Professional installation recommended for best results
• Ensure proper fitment by confirming vehicle transmission type