7.3 Powerstroke OBS Cooling System

Upgrade your 1994–1997 7.3 Powerstroke OBS cooling system with high-performance components designed to prevent overheating and extend engine life. Our selection includes durable coolant filter kits, precision thermostats, reinforced silicone hose kits, aluminum radiators, reliable water pumps, and performance-enhancing coolant additives. Each component is engineered to maintain optimal engine temperatures, improve coolant flow, and ensure long-lasting reliability under towing, hauling, and high-performance conditions—essential for OBS owners seeking maximum efficiency and protection.

28 Items

7.3 OBS Powerstroke OBS Coolant Filter Kit Dieselsite CFIK97 — 7.3 OBS Powerstroke OBS Coolant Filter Kit Dieselsite CFIK97 $160.00
Fits: 7.3 Powerstroke 1994-1997

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7.3 Powerstroke 203 Degree Thermostat Dieselsite DS203 — 7.3 Powerstroke 203 Degree Thermostat Dieselsite DS203 $36.00
Fits: 7.3 Powerstroke 1996-2003

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7.3 Powerstroke 205 Degree Thermostat Mishimoto MMTS-F2D-96H — 7.3 Powerstroke 205 Degree Thermostat Mishimoto MMTS-F2D-96H $68.95
Fits: 7.3 Powerstroke 1996-2003

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7.3 Powerstroke 189 Degree Low Temp Thermostat Mishimoto MMTS-F2D-96L — 7.3 Powerstroke 189 Degree Low Temp Thermostat Mishimoto MMTS-F2D-96L $68.95
Fits: 7.3 Powerstroke 1996-2003

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7.3 OBS Powerstroke Red Silicone Hose Kit Mishimoto MMHOSE-F250D-94RD — 7.3 OBS Powerstroke Red Silicone Hose Kit Mishimoto MMHOSE-F250D-94RD $312.95
Fits: 7.3 OBS Powerstroke 1994-1997

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7.3 OBS Powerstroke Aluminum Radiator Mishimoto MMRAD-F2D-95 — 7.3 OBS Powerstroke Aluminum Radiator Mishimoto MMRAD-F2D-95 $530.95
Fits: 7.3 OBS Powerstroke 1995-1997

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7.3 Powerstroke OE Thermostat Motorcraft F6TZ-8575-EA — 7.3 Powerstroke OE Thermostat Motorcraft F6TZ-8575-EA $50.67
Fits: 7.3 Powerstroke 1996-2003

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7.3 Powerstroke Water Pump Atlas 146-0001 — 7.3 Powerstroke Water Pump Atlas 146-0001 $205.94
Fits: 7.3 Powerstroke 1999-2003

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7.3 Powerstroke Water Pump Upper Heater Hose Nipple Ford F81Z-18599-AA — 7.3 Powerstroke Water Pump Upper Heater Hose Nipple Ford F81Z-18599-AA $47.19
Fits: 7.3 Powerstroke 1996-2003

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7.3 OBS Powerstroke Blue Silicone Hose Kit Mishimoto MMHOSE-F250D-94BL — 7.3 OBS Powerstroke Blue Silicone Hose Kit Mishimoto MMHOSE-F250D-94BL $312.95
Fits: 7.3 OBS Powerstroke 1994-1997

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7.3 Powerstroke Thermostat Housing Reinforcement Ring Driven Diesel DD-73L-TSHR — 7.3 Powerstroke Thermostat Housing Reinforcement Ring Driven Diesel DD-73L-TSHR $44.95
Fits: 7.3 Powerstroke 1994-2003

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7.3 Powerstroke Water Pump Alliant AP63501 — 7.3 Powerstroke Water Pump Alliant AP63501 $222.96
Fits: 7.3 Powerstroke 1994-2003

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7.3 Powerstroke Water Pump Dieselsite WP73 — 7.3 Powerstroke Water Pump Dieselsite WP73 $189.00
Fits: 7.3 Powerstroke 1996-2003

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-10AN Male To 1.325 Inch Adapter Fitting Fleece FPE-34224-B — -10AN Male To 1.325 Inch Adapter Fitting Fleece FPE-34224-B $33.95
Fits: Universal

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7.3 Powerstroke Lower Water Pump Inlet Dieselsite LWPN — 7.3 Powerstroke Lower Water Pump Inlet Dieselsite LWPN $59.00
Fits: 7.3 Powerstroke 1996-2001

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7.3 Powerstroke Thermostat Motorcraft F4TZ-8575-CB — 7.3 Powerstroke Thermostat Motorcraft F4TZ-8575-CB $50.05
Fits: 7.3 Powerstroke 1994-1995

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7.3 OBS Powerstroke Heavy Duty Fan Clutch Hayden 2835 — 7.3 OBS Powerstroke Heavy Duty Fan Clutch Hayden 2835 $131.97
Fits: 7.3 Powerstroke 1994-1997

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7.3 Powerstroke Lower Inlet Water Pump Bolt Ford W300003 — 7.3 Powerstroke Lower Inlet Water Pump Bolt Ford W300003 $1.84
Fits: 7.3 Powerstroke 1994-2003

Select Quantity

7.3 Powerstroke Oil Cooler Alliant AP63452 — 7.3 Powerstroke Oil Cooler Alliant AP63452 $316.32
Fits: 7.3 Powerstroke 1994-2003

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7.3 OBS Powerstroke Water Pump w/ Coolant Filter Dieselsite CFIKsWPCFOBS — 7.3 OBS Powerstroke Water Pump w/ Coolant Filter Dieselsite CFIKsWPCFOBS $449.00
Fits: 7.3 OBS Powerstroke 1995.5-1997

Select Options

7.3 OBS Powerstroke Engine Fan Dieselsite OBSFAN — 7.3 OBS Powerstroke Engine Fan Dieselsite OBSFAN $199.00
Fits: 7.3 OBS Powerstroke 1994-1997

Select Options

7.3 Powerstroke Oil Cooler Ford 1C3Z-6A642-AA — 7.3 Powerstroke Oil Cooler Ford 1C3Z-6A642-AA $425.60
Fits: 7.3 Powerstroke 1994-2003

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7.3 Powerstroke Lower Water Pump Elbow Ford F81Z-8592-BA — 7.3 Powerstroke Lower Water Pump Elbow Ford F81Z-8592-BA $108.11
Fits: 7.3 Powerstroke 1996-2001

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7.3 OBS Powerstroke Silicone Black Hose Kit Mishimoto MMHOSE-F250D-94BK — 7.3 OBS Powerstroke Silicone Black Hose Kit Mishimoto MMHOSE-F250D-94BK $312.95
Fits: 7.3 OBS Powerstroke 1994-1997

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7.3 Powerstroke X-Tra Cool Direct-Fit Replacement Radiator XDP XD468 — 7.3 Powerstroke X-Tra Cool Direct-Fit Replacement Radiator XDP XD468 $545.95
Fits: 7.3 Powerstroke 1995-1997

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5/8 Inch Hose With 90 Degree Ends & 5/8 Inch T-Fitting Fleece FPE-34257-A — 5/8 Inch Hose With 90 Degree Ends & 5/8 Inch T-Fitting Fleece FPE-34257-A $28.84
Fits: Universal - Many Applications

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Cold Case RC100 Polished Billet Radiator Cap Cover — Cold Case RC100 Polished Billet Radiator Cap Cover $23.22
Fits: Press Fit Cover For Cold Case Radiator Caps

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7.3 Powerstroke Thermostat Housing Ford MC3Z-8592-A — 7.3 Powerstroke Thermostat Housing Ford MC3Z-8592-A $40.04
Fits: 7.3 Powerstroke 1994-1997

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