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On/Off Lockup Kit - 1999-2003 Ford 4R100
Part # 1600411

75.00 USD Add to Cart
Availability: In Stock
  • NOTICE: This kit requires removal of the transmission for installation of the internal parts
  • Includes New On/Off Valve assembly to replace OEM PWM valve assembly in pump
  • Converts long soft pulse (PWM) lock-up to short crisp On/Off lockup, with longer converter life
  • Convenient drop in valves, No special tooling or machining necessary!
  • Should be used in conjunction with 1600410 kit
  • Installation recommendation: Experienced technician


  • 12-Months
  • 12,000 Miles