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Thumbnail Filmstrip of 1994-1997 7.3L OBS Powerstroke Engine Fan Dieselsite OBSFAN Images
The DieselSite OBSFAN replaces the factory metal cooling fan on 1994-1997 Ford 7.3L OBS Powerstroke trucks. It is built from thicker material than stock for durability.
DieselSite revised the blade pitch to move more air, with better balance and smoother operation. The fan is slightly larger than stock but installs in the factory location without modification on stock trucks.
- More Airflow: Revised blade pitch moves more air.
- Thicker Blades: Built heavier than the stock fan.
- Better Balance: Smoother running at speed.
- Direct Replacement: Fits the factory fan location.
- Spacer Option: Spacer available for tight clearance.
Technical Specifications
- Part Number: OBSFAN
- Manufacturer: DieselSite
- Replaces: Factory metal engine fan
- Size: Slightly larger than stock
- Minimum Clearance: 1 3/8 in to the radiator
- Spacer: Required with an aftermarket Fluidampr balancer
Vehicle Fitment & Technical Installation Notes
- Fitment: 1994-1997 Ford 7.3L OBS Powerstroke. Trucks with an aftermarket Fluidampr balancer need the DieselSite fan spacer. Trucks with an aftermarket radiator or front end changes should check clearance first.
- Installation Tip: Measure the gap between the fan and radiator before installing. If you have less than 1 3/8 inch, or worn transmission mounts, fix that or add the spacer so the fan cannot contact the radiator.
The DieselSite OBSFAN replaces the factory metal cooling fan on 1994-1997 Ford 7.3L OBS Powerstroke trucks. It is built from thicker material than stock for durability.
DieselSite revised the blade pitch to move more air, with better balance and smoother operation. The fan is slightly larger than stock but installs in the factory location without modification on stock trucks.
More Airflow: Revised blade pitch moves more air.
Thicker Blades: Built heavier than the stock fan.
Better Balance: Smoother running at speed.
Direct Replacement: Fits the factory fan location.
Spacer Option: Spacer available for tight clearance.
Technical Specifications
Part Number: OBSFAN
Manufacturer: DieselSite
Replaces: Factory metal engine fan
Size: Slightly larger than stock
Minimum Clearance: 1 3/8 in to the radiator
Spacer: Required with an aftermarket Fluidampr balancer
Vehicle Fitment & Technical Installation Notes
Fitment: 1994-1997 Ford 7.3L OBS Powerstroke. Trucks with an aftermarket Fluidampr balancer need the DieselSite fan spacer. Trucks with an aftermarket radiator [...]
The DieselSite OBSFAN replaces the factory metal cooling fan on 1994-1997 Ford 7.3L OBS Powerstroke trucks. It is built from thicker material than stock for durability.
DieselSite revised the blade pitch to move more air, with better balance and smoother operation. The fan is slightly larger than stock but installs in the factory location without modification on stock trucks.
- More Airflow: Revised blade pitch moves more air.
- Thicker Blades: Built heavier than the stock fan.
- Better Balance: Smoother running at speed.
- Direct Replacement: Fits the factory fan location.
- Spacer Option: Spacer available for tight clearance.
Technical Specifications
- Part Number: OBSFAN
- Manufacturer: DieselSite
- Replaces: Factory metal engine fan
- Size: Slightly larger than stock
- Minimum Clearance: 1 3/8 in to the radiator
- Spacer: Required with an aftermarket Fluidampr balancer
Vehicle Fitment & Technical Installation Notes
- Fitment: 1994-1997 Ford 7.3L OBS Powerstroke. Trucks with an aftermarket Fluidampr balancer need the DieselSite fan spacer. Trucks with an aftermarket radiator or front end changes should check clearance first.
- Installation Tip: Measure the gap between the fan and radiator before installing. If you have less than 1 3/8 inch, or worn transmission mounts, fix that or add the spacer so the fan cannot contact the radiator.
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4/5 Stars out of 2 Reviews
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Mario (Texas) | July 9th, 2021
Worked really good...until it hit the shroud while turning and hard acceleration. Maybe motor mounts or some frame flex. Bought another oem new for 50 bucks and trimmed the shroud and reinstalled. Running the truck tomorrow so fingers crossed. Only reason for buying this fan blade was to pull more air across the ac condenser for colder air in traffic and when parked.
Proposition 65 Warning Information -
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Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 OBS Powerstroke 1995-1997
Fits: 7.3 Powerstroke 1999-2003
Fits: 7.3 Powerstroke 1996-2001
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 OBS Powerstroke 1995-1997