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Thumbnail Filmstrip of 1994-1997 7.3L OBS Powerstroke Severe Duty Fan Clutch Hayden 2835 Images
The Hayden 2835 is a severe duty, reverse rotation thermal fan clutch for 1994-1997 Ford 7.3L OBS Powerstroke trucks and vans. It replaces a worn clutch that no longer locks the fan when the engine gets hot.
When engaged it turns the fan at 80-90 percent of shaft speed, and it drops to 20-30 percent when cool to cut noise and drag. The land and groove design and finned faceplate shed heat for longer life.
- Severe Duty Rated: Built for towing and hot weather.
- Strong Lockup: 80-90 percent of shaft speed engaged.
- Quiet When Cool: Slips to 20-30 percent when cold.
- Heat Dissipation: Thick body and deep finned faceplate.
- OE Fit: 6-bolt fan mount on a 6 inch circle.
Technical Specifications
- Part Number: 2835
- Manufacturer: Hayden
- Type: Thermal, severe duty
- Rotation: Reverse
- Fan Bolt Circle: 6 in, 6 bolts, 5/16-18
- Diameter: 7.4 in
- Fan Pitch: For fans with 2.5 in or more pitch
Vehicle Fitment & Technical Installation Notes
- Fitment: 1994-1996 Ford F-250, 1994-1997 F-350, 1997 F-250 HD and 1995-1997 E-350 with the 7.3L Powerstroke.
- Installation Tip: Use a fan clutch wrench and pulley holder set to break the large nut loose. A roar from the fan when the engine is hot is normal; a clutch that stays locked all the time is not.
The Hayden 2835 is a severe duty, reverse rotation thermal fan clutch for 1994-1997 Ford 7.3L OBS Powerstroke trucks and vans. It replaces a worn clutch that no longer locks the fan when the engine gets hot.
When engaged it turns the fan at 80-90 percent of shaft speed, and it drops to 20-30 percent when cool to cut noise and drag. The land and groove design and finned faceplate shed heat for longer life.
Severe Duty Rated: Built for towing and hot weather.
Strong Lockup: 80-90 percent of shaft speed engaged.
Quiet When Cool: Slips to 20-30 percent when cold.
Heat Dissipation: Thick body and deep finned faceplate.
OE Fit: 6-bolt fan mount on a 6 inch circle.
Technical Specifications
Part Number: 2835
Manufacturer: Hayden
Type: Thermal, severe duty
Rotation: Reverse
Fan Bolt Circle: 6 in, 6 bolts, 5/16-18
Diameter: 7.4 in
Fan Pitch: For fans with 2.5 in or more pitch
Vehicle Fitment & Technical Installation Notes
Fitment: 1994-1996 Ford F-250, 1994-1997 F-350, 1997 F-250 HD and 1995-1997 E-350 with the 7.3L Powerstroke.
Installation Tip: Use [...]
The Hayden 2835 is a severe duty, reverse rotation thermal fan clutch for 1994-1997 Ford 7.3L OBS Powerstroke trucks and vans. It replaces a worn clutch that no longer locks the fan when the engine gets hot.
When engaged it turns the fan at 80-90 percent of shaft speed, and it drops to 20-30 percent when cool to cut noise and drag. The land and groove design and finned faceplate shed heat for longer life.
- Severe Duty Rated: Built for towing and hot weather.
- Strong Lockup: 80-90 percent of shaft speed engaged.
- Quiet When Cool: Slips to 20-30 percent when cold.
- Heat Dissipation: Thick body and deep finned faceplate.
- OE Fit: 6-bolt fan mount on a 6 inch circle.
Technical Specifications
- Part Number: 2835
- Manufacturer: Hayden
- Type: Thermal, severe duty
- Rotation: Reverse
- Fan Bolt Circle: 6 in, 6 bolts, 5/16-18
- Diameter: 7.4 in
- Fan Pitch: For fans with 2.5 in or more pitch
Vehicle Fitment & Technical Installation Notes
- Fitment: 1994-1996 Ford F-250, 1994-1997 F-350, 1997 F-250 HD and 1995-1997 E-350 with the 7.3L Powerstroke.
- Installation Tip: Use a fan clutch wrench and pulley holder set to break the large nut loose. A roar from the fan when the engine is hot is normal; a clutch that stays locked all the time is not.
Q
Chad moody • 03/18/2026, 0:49:58 AM
Will this fit my 2002 73 diesel?
A
03/18/2026, 3:20:32 PM
No.
Q
ruben • 08/20/2026, 11:20:24 AM
This kit fits a 94-97 f250 but i have to acquire my own 6.0 fan blade? no modifications other than just taking old and putting new?
A
08/20/2026, 1:36:59 PM
Many owners also use it with a fan-clutch adapter to convert 2003–2007 6.0L Powerstrokes from the electronic clutch to a more reliable mechanical setup (often reusing the 6.0 fan blade). No mods required. Quick swap.
5/5 Stars out of 1 Reviews
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Austin Horak (Texas) | July 30th, 2026
Fan Locked all the time very loud like a jet fan I don’t recommend unless you keep your radio turned up loud very loud fan really hurts the ears it won’t even turn off at full throttle
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: Universal