Hayden® 2797 - Severe Duty Thermal Engine Cooling Fan Clutch

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$55.17
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Product Details

Severe Duty Thermal Engine Cooling Fan Clutch (2797) by Hayden®. Rotation: Standard. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. From fan clutches and electric fans to performance oil and transmission coolers, we’ve got what you need to protect your vehicle from damaging and performance robbing heat. Hayden Automotive - products engineered and built to take the heat, so your vehicle won’t.

Specifications

Mounting Hole/Stud Qty: 4
Bolt Quantity: 4
Bolt Thread: 5/16-18 Hole
Clutch Type: D - Severe Duty and Truck Fan Drive
Color: Raw Aluminum in Color
Description: Fan Clutches
Drawing Type: D
Duty Rating: Severe
Electronic Fan Clutch: Non Electronic
Fan Bolt Circle : 3.250"
Fan Mount Dia. : 2.62"
Fan Mount Height : 1.63"
Material: Aluminum
Meets or Exceeds OEM Specs: Yes
Mount Dia. : 2.58"
Mount Type: Flange
Mounting Hardware Included: Not Included
New or Remanufactured: New
Original Equipment Replacement: Yes
Overall Dia. : 6.450"
Overall Height : 3.645"
Overall Height : 3.65625"
Performance Rated: Yes
Pilot Depth : 0.625"
Pilot Dia. : 0.63"
Rotation: STD
Style: Severe Duty
Type: Thermal

Features

  • Turns the fan 80-90% of the shaft speed when engaged
  • Turns the fan 20-30% of the shaft speed when disengaged
  • Land and groove design with 70 sq. in. of working area
  • Used with deeper pitch fans (2 -1/2° of pitch)
  • Larger working surface ensures cooler running and longer service life
  • Thicker body and deep finned faceplate dissipate more heat
  • Can replace many heavy-duty clutches

A fan clutch is the part of the cooling system that powers up the fan blades. Each time your engine gets too hot, the clutch fully engages the fan. This allows the fan to blow the right amount of air onto your radiator for maximum cooling. Once the operating temperature of the engine goes down or the engine starts operating at a normal temperature, the clutch partially disengages the fan to save more power.

There are two types of fan clutches, non-thermal and thermal. Thermal fan clutches are a little more sophisticated and operate in response to underhood temperatures. A bi-metal thermal spring mounted at the front of the clutch senses the underhood temperature and operates the fan clutch accordingly. When the engine is cold, the fan is disengaged, providing fuel economy and noise reduction. When too much heat is generated, the clutch allows the fan to rotate really fast to cool the engine faster. The thermal fan clutch is engaged on a cold startup because the fluid drains into the working area when the engine is shut off. The fan clutch will slow down shortly after startup as a result of a pumping action produced by a difference in speed between the shaft and clutch body. Thermal fan clutches are available in standard duty, heavy duty, and severe duty options. If your fan spins excessively when the engine is stopped, the A/C performance is poor at idle or low vehicle speeds, or you feel vibration that increases with the engine speed, these are the signs of the failed fan clutch. Replace it with premium product from Hayden.

Located in Grapevine, Texas, Hayden® Automotive is a leading manufacturer of automotive, truck, and performance cooling parts. For over 55 years, the company provides both OE and performance cooling products designed to protect any street car, off-road truck, or performance vehicle from power-robbing heat. Continuous investment in technology allows Hayden to develop premium products that feature the highest quality and durability. The company's commitment to quality includes both TS16949 and ISO2001 certifications. From idler and belt tensioner pulleys to transmission and engine oil coolers, Hayden has everything a vehicle owner needs to keep their vehicle running cool.

Brand:
Part Number:
2797
UPC:
036752027972

Vehicle Fitment

Buick
Century 1977
Commercial Chassis 1994-1996
Electra 1977-1985
Estate 1977-1979
Le Sabre 1977-1978, 1980, 1985
Regal 1981-1983, 1985
Riviera 1977-1985
Roadmaster 1994-1996
Cadillac
Calais 1965-1976
Commercial Chassis 1968-1970, 1975-1976, 1994-1996
Deville 1964, 1975-1976
Eldorado 1964
Fleetwood 1968-1970, 1975-1976, 1994-1996
Series 62 1964
Chevy
Astro 1985-1986
Blazer 1973-1991
Caprice 1972-1973, 1975-1985, 1994-1996
CK Pickup 1973-1991
Commercial Chassis 1994
El Camino 1978-1987
G-Series 1973-1988
Impala 1972-1985, 1994-1996
Malibu 1978-1983
Monte Carlo 1978-1988
P-Series 1970-1995
Suburban 1973-1991
Dodge
B-Series 1992-1993
DW Pickup 1990-1992
Ramcharger 1990-1992
Ford
Bronco 1978-1979
E-series 1983-1987
F-100 1970-1983
F-150 1975-1987
F-200 1986
F-250 1970-1987
F-350 1970-1987
GMC
Caballero 1978-1987
CK Pickup 1973-1991
G-Series 1973-1988
Jimmy 1973-1991
P-Series 1970-1995
Safari 1985-1986
Suburban 1973-1991
Oldsmobile
Calais 1980-1984
Custom Cruiser 1977-1987
Cutlass 1979-1985
Eighty-Eight 1968-1985
Ninety-Eight 1980-1984
Toronado 1979-1985
Pontiac
Bonneville 1964-1965, 1967-1986
Catalina 1964-1965, 1967-1981
Executive 1967-1969
Firebird 1976-1986
Grand Am 1973-1975, 1978-1980
Grand Prix 1967-1987
Grand Safari 1977-1978
GTO 1964-1973
Laurentian 1976, 1980-1981
LeMans 1968-1983
Parisienne 1976, 1980-1982
Safari 1967-1970
Tempest 1968-1970
Ventura 1977

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Hayden® 2797 - Severe Duty Thermal Engine Cooling Fan Clutch
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