ATS Diesel Performance

ATS - Five Star Torque Converter - 89 - Early 03 Ford 7.3L E4OD/4R100 3029503104

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SKU: ATS3029503104
$1,398.16

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Refundable Core Charge: $400

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ATS - Five Star Torque Converter
1989 - Early 2003 Ford E4OD/4R100 Transmissions

Part # 3029503104

Five Star Viskus Clutch Drive Torque Converter, Mid-Stall w/ Extreme Efficiency Mixed Flow Stator - 1989 - Early 2003 Ford E4OD/4R100

Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter is built to handle daily driving and towing duties while delivering reliable performance.


Key features of the ATS Five Star Torque Converter include:
  • Patented Viskus Clutch Drive System for increased efficiency
  • Billet Cover with Patented Square Flank Drive
  • Square Tab Construction (Not Round)
  • Viskus Disc CNC Laser Cut Clutch Plates
  • Billet Piston with Patented Flank Drive Tab design
  • Proprietary ATS exclusive Clutch Formulation with unique bonding technology (ensures 100% chemical Bond)
  • Redesigned Spring Dampener supports increased torque loads
  • 4340 hardened turbine splines provide longevity and reliability
  • Fully welded turbine and impeller vanes
  • CNC Stator with high flow windows increase oil flow, providing increased efficiency
  • Full roller bearing construction between high load areas
  • 4340 CNC cut pump drive hub locked into impeller housing
  • Plasma welded for unsurpassed strength

The ATS Five Star utilizes an optimized factory stall speed that features improved torque multiplication. With factory torque multiplication at approximately 1.25:1, the ATS Five Star boasts 2.4:1. This occurs when peak engine torque is achieved. Increased torque multiplication results in improved vehicle response, towing and driving ability.

Every Five Star comes standard with a 5 year / 500,000 mile warranty.
When the most efficient torque converter is required, look no further than ATS' Five Star Torque Converter.


The E4OD/4R100/5R110 is plagued by a weak factory converter that can fail with high mileage, greater than stock power and/or frequent towing. OEM units are typically made with stamped metal components and the stall speed is not matched to the motor’s torque curve. Power-adders hasten the life of the OEM converter.

ATS TripleLok and Five Star converters completely eliminate these weaknesses. They feature our patented square tab clutch design (for reliability during lock-up), ATS’ proprietary clutch material, CNC cut steels, re-designed stators, Torrington bearings and stall speeds matched to the 7.3, 6.0 and 6.4 Powerstroke motor. Both the TripleLok and Five Star are designed to hold increase torque while efficiently transferring it to the transmission. The result is more power to the ground, lower transmission temperatures and greater overall performance.

Custom stall speeds are available for racing/sled-pulling applications. ATS TripleLok and Five Star converters come with a 5 year / 500,000 mile warranty – even for competition use or motor conversions.

WARNING : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov