Oil Cooler Kit for Ford F350 F450 F550 (1994-2003) Powerstroke Diesel 7.3L Engine

Heavy-Duty Oil Cooler Kit for 1994-2003 Ford F-350, F-450, F-550 (7.3L Powerstroke)

What It Does: This comprehensive oil cooler kit replaces the prone-to-leak internal cooling bundle and seals to restore thermal regulation and prevent catastrophic oil-to-coolant contamination.

The Stock 7.3L Powerstroke Thermal Weakness

While the 7.3L Powerstroke (T444E) is renowned for million-mile durability, the factory oil cooler is its primary Achilles' heel. The OEM system relies on a series of elastomer O-rings and gaskets that eventually lose their elasticity due to relentless thermal cycling and exposure to high-pressure diesel oil. Once these seals fail, oil—which operates at higher pressure than the coolant—forces its way into the cooling system. This creates a thick sludge known as 'the milkshake' that coats the radiator, heater core, and engine galleries, drastically reducing heat transfer and risking turbocharger bearing failure. Furthermore, the internal copper-nickel tubes in the stock bundle can develop pinhole leaks or scale buildup, further compromising oil viscosity during heavy-duty towing operations.

The Engineering Solution

This kit provides a professional-grade repair for the 1994-2003 Ford diesel platform. It features a high-efficiency replacement tube bundle and a complete set of high-temperature Viton-equivalent gaskets designed to maintain a positive seal under the extreme pressures generated by the HEUI fuel system. By ensuring consistent oil temperatures, this kit protects the High-Pressure Oil Pump (HPOP) and prevents the premature breakdown of oil shear stability. The precision-machined components ensure a drop-in fit for both OBS and Super Duty chassis, providing a permanent fix that withstands the high-torque demands of industrial towing and commercial applications.

Technical Specifications

Compatibility

• 2003 Ford E-350 7.3L V8 DIESEL
• 2003 Ford E-350 Club Wagon 7.3L V8 DIESEL
• 1995-2002 Ford E-350 Econoline 7.3L V8 DIESEL
• 1995-2002 Ford E-350 Econoline Club Wagon 7.3L V8 DIESEL
• 2000-2002 Ford E-450 Econoline Super Duty 7.3L V8 DIESEL
• 2000-2002 Ford E-450 Econoline Super Duty Stripped 7.3L V8 DIESEL
• 2003 Ford E-450 Super Duty 7.3L V8 DIESEL
• 2003 Ford E-450 Super Duty Stripped Chassis 7.3L V8 DIESEL
• 2002 Ford E-550 Econoline Super Duty 7.3L V8 DIESEL
• 2003 Ford E-550 Super Duty 7.3L V8 DIESEL
• 1996-1999 Ford Econoline Super Duty 7.3L V8 DIESEL
• 2000-2003 Ford Excursion 7.3L V8 DIESEL
• 1995-1997 Ford F Super Duty 7.3L V8 DIESEL
• 1994 Ford F-250 7.3L V8 DIESEL OHV
• 1994-1997 Ford F-250 7.3L V8 DIESEL
• 1999-2003 Ford F-250 Super Duty 7.3L V8 DIESEL
• 1994 Ford F-350 7.3L V8 DIESEL OHV
• 1994-1997 Ford F-350 7.3L V8 DIESEL
• 1999-2003 Ford F-350 Super Duty 7.3L V8 DIESEL
• 1999-2003 Ford F-450 Super Duty 7.3L V8 DIESEL
• 1999-2003 Ford F-550 Super Duty 7.3L V8 DIESEL

The Ford Truck Caliber

In the world of diesel workhorses, reliability is the only metric that matters. This kit is built to match the extreme duty cycle of the 7.3L Powerstroke, ensuring your truck maintains the cooling capacity required for heavy-haul towing and long-range logistics without the risk of oil-related engine failure.