TechSmart R81001 Fuel Pressure Regulator Service Kit

Brand TechSmart R81001
Fuel Type Diesel
Fits Ford · 12 vehicles

Complete rebuild kit. Includes the regulator, gasket, O-rings, and hardware for easier installation.

Diesel fuel system part. Built for diesel applications and fuel pressure regulation service.

OE performance. Meets or exceeds OE performance for dependable service.

Cross-references Dorman - OE Solutions 904-239, GB 522-038 and Standard Ignition PRU1 for the same application. See all 8.

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Fuel Pressure Regulator Service Kit for Diesel Applications

TechSmart R81001 is a diesel fuel pressure regulator service kit for restoring proper fuel pressure in Ford Super Duty and Excursion applications. It addresses common drivability complaints tied to a weakened stock spring, including hard starting, stalling, poor fuel mileage, and sluggish acceleration.

Built for 2003-2007 Ford F-250 Super Duty, 2003-2007 Ford F-350 Super Duty, and 2003-2004 Ford Excursion upgrade applications, this kit helps return the fuel filter housing to proper operating condition. TechSmart R81001 is a direct service solution for technicians working on diesel fuel delivery repairs.

Key Features

  • Diesel fuel pressure regulator service kit
  • Restores fuel pressure after spring fatigue in the stock regulator
  • Raises fuel pressure by 10-15 PSI after installation
  • Includes fuel pressure regulator, gasket, O-rings, and hardware
  • Built to meet or exceed OE performance standards
  • Part number: R81001

Detailed Description

TechSmart R81001 is engineered to rebuild the fuel filter housing and restore fuel system pressure on diesel trucks and SUVs. By increasing fuel pressure 10-15 PSI, it supports stronger injector operation, improved throttle response, and longer injector life when the original regulator spring has weakened. This kit is a practical repair choice for Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Excursion diesel service work.

This part cross-references Dorman OE Solutions 904-239 for the same application. TechSmart R81001 also aligns with OE-style service needs for technicians replacing worn fuel pressure regulator components.

What It Helps Fix

  • Hard starting caused by low fuel pressure
  • Stalling related to regulator spring wear
  • Poor fuel mileage from inconsistent fuel delivery
  • Poor acceleration under load
  • Reduced injector performance from inadequate pressure

Installation Notes and Tips

  • Compatible With 2003-2007 Ford F-250 Super Duty, N/A, Upgrade Kit
  • Compatible With 2003-2007 Ford F-350 Super Duty, N/A, Upgrade Kit
  • Compatible With 2003-2004 Ford Excursion, N/A, Upgrade Kit
  • Inspect the fuel filter housing and sealing surfaces before installation.
  • Replace worn seals and verify fuel pressure after service.
  • Confirm diesel application before ordering TechSmart R81001.

Quality Assurance

TechSmart states that its parts meet or exceed OE performance, giving technicians a service kit built for accurate repair and dependable fitment on diesel fuel system maintenance.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007FordF-250 Super Duty6.0LV8N/AUpgrade Kit
2007FordF-350 Super Duty6.0LV8N/AUpgrade Kit
2006FordF-250 Super Duty6.0LV8N/AUpgrade Kit
2006FordF-350 Super Duty6.0LV8N/AUpgrade Kit
2005FordF-250 Super Duty6.0LV8N/AUpgrade Kit
2005FordF-350 Super Duty6.0LV8N/AUpgrade Kit
2004FordExcursion6.0LV8N/AUpgrade Kit
2004FordF-250 Super Duty6.0LV8N/AUpgrade Kit
2004FordF-350 Super Duty6.0LV8N/AUpgrade Kit
2003FordExcursionN/AUpgrade Kit
2003FordF-250 Super DutyN/AUpgrade Kit
2003FordF-350 Super DutyN/AUpgrade Kit
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 904-239GB — 522-038Standard Ignition — PRU13C3Z9T517AG600-2129FPU200ISK627RUK1