Sinister Diesel · New
Sinister Diesel 99-03 Ford 7.3L (w/ Integrated Fuel Filter) Regulated Fuel Return Kit
MPN SD-FUELREG-7.3 · Store SKU sinSD-FUELREG-7.3
Supplier stock checked 11/7/2026, 9:45:42 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Sinister Diesel Regulated Fuel Return Kit for 7.3L Powerstroke Diesel, The Sinister Diesel Regulated Fuel Return Kit is designed to fit every Ford F-250 and F-350 Super Duty truck equipped with the 7.3L Powerstroke Diesel Engine. It's constructed with CNC machined billet aluminum parts and stainless steel braided fuel lines and nickel-plated fittings. This Powerstroke Fuel Return Kit comes with an adjustable fuel regulator and fuel pressure gauge to help you adjust and monitor constant fuel pressure to prolong the life of your injectors while getting the power levels you need. This kit completely replaces the factory fuel filter bowl with the 10 Micron filter allow you to upgrade your fuel system with a strong high-flow fuel line and a 6 micron canister style fuel filter that integrates right into your factory fuel lines. The Sinister Diesel Regulated Fuel Return Kit for the 7.3L Powerstroke is a complete package with everything you need and doesn't require any additional parts. Note: Not legal for sale in the state of California Features:Higher Filtration Efficiency, CNC Billet Aluminum Construction, Blue Anodized Finish, Covered by the SinisterNote: A 3/8in quick disconnect tool is required for installation, Note: To ensure longevity of your Fuel Return Kit, it is HIGHLY suggested to also install a Lift Pump or Fuel Air Separator with additional filtration. Kit Includes:6 Micron Fuel Filter, Sinister Diesel Fuel Filter Block, Adjustable Fuel Regulator, Oil Filled Fuel Pressure Gauge, All New High Flow Fuel Lines, Retaining Clips, Protective Cover For Braided Lines. Regulated Fuel Return Kit for 1999-2003 Ford Powerstroke 7.3L with Integrated Fuel Filter. Regulated Fuel Return Kit
Manufacturer fitment & guides
- 1999-2003 Ford F-250; F-350; 7.3L
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
