Hayden® 2705 - Standard Duty Thermal Engine Cooling Fan Clutch

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$36.30
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Product Details

Standard Duty Thermal Engine Cooling Fan Clutch (2705) 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: B - Non-Thermal and Std Thermal
Color: Raw Aluminum in Color
Description: Fan Clutches
Drawing Type: B
Duty Rating: Standard
Electronic Fan Clutch: Non Electronic
Fan Bolt Circle : 3.250"
Fan Mount Dia. : 2.62"
Fan Mount Height : 1.53"
Material: Aluminum
Meets or Exceeds OEM Specs: Yes
Mount Dia. : 2.6"
Mount Type: Flange
Mounting Hardware Included: Not Included
New or Remanufactured: New
Original Equipment Replacement: Yes
Overall Dia. : 7.200"
Overall Height : 3.109375"
Performance Rated: Yes
Pilot Depth : 1.03125"
Pilot Dia. : 0.63"
Rotation: STD
Style: Standard Duty
Type: Thermal

Features

  • Flat plate impeller design with 11.4 sq. in. of working surface
  • Turns the fan 60-70% of the shaft speed when engaged
  • Turns the fan 20-30% of the shaft speed when disengaged
  • Used with lighter pitch fans (1-1/2” of pitch)
  • Identified by a smooth steel faceplate and thermal spring assembly on the front side
  • Longer service life than a non-thermal fan clutch

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:
2705
UPC:
036752027057

Vehicle Fitment

American Motors
Ambassador 1966-1974
AMX 1968-1970, 1978-1980
Concord 1978-1982
Eagle 1980-1987
Gremlin 1970-1978
Hornet 1970-1977
Javelin 1968-1974
Matador 1971-1978
Pacer 1975-1980
Rambler Ambassador 1965
Rambler Marlin 1965-1967
Rambler Rebel 1967
Rebel 1968-1970
Spirit 1979-1983
Buick
Apollo 1973-1975
Centurion 1973
Century 1973-1974, 1977-1981
Electra 1970-1989
Estate 1970-1983
Gran Sport 1968-1972
Le Sabre 1966, 1968-1990
Regal 1973, 1975-1987
Riviera 1970-1985
Skylark 1967-1972, 1975-1979
Special 1969
Cadillac
Deville 1983-1984
Eldorado 1968-1969, 1979, 1982-1985
Fleetwood 1983-1985
Seville 1976-1979, 1982-1985
Checker
Deluxe 1969
Marathon 1965-1982
Chevy
150 1957
210 1957
3100 1957-1958
3200 1957-1958
3400 1957-1958
3500 1957-1958
3600 1957-1958
3700 1957-1958
3800 1957-1958
Astro 1985-1986
Bel Air 1968-1975, 1981
Biscayne 1968-1972
Blazer 1969-1987
Brookwood 1969-1972
Camaro 1967-1986
Caprice 1968-1990
Chevelle 1964-1973
Chevy II 1968
CK Pickup 1961-1988
El Camino 1964-1987
Estate 1969-1970
G-Series 1966-1986
Impala 1968-1985
Kingswood 1969-1972
Laguna 1973-1976
Malibu 1964-1967, 1973-1983
Monte Carlo 1970-1988
Monza 1975-1980
Nova 1969-1979
P-Series 1961-1974, 1976, 1979
S-10 Blazer 1985-1986
S-10 Pickup 1985-1986
Suburban 1961-1987
Townsman 1969-1972
Vega 1971-1977
Chrysler
Newport 1961-1964
Town and Country 1961-1964
Dodge
B-Series 1974-1978
GMC
1000 Series 1961-1966
1500 Series 1961-1966
2500 Series 1961-1966
Caballero 1978-1985
CK Pickup 1961-1962, 1966-1988
G-Series 1963-1986
Jimmy 1970-1987
P-Series 1966-1974
PB-Series 1963-1966
Safari 1985-1986
Sonoma 1985-1986
Sprint 1971-1977
Suburban 1963-1987
International
100 1974
150 1975
200 1974-1975
1010 1971-1973
1110 1971-1973
1210 1971-1973
1310 1971-1973
1000A 1966
1000B 1967-1969
1000C 1968-1969
1000D 1969-1970
1100A 1966
1100B 1967-1969
1100C 1968
1100D 1969-1970
1200A 1966
1200B 1967-1969
1200C 1968-1969
1200D 1969-1970
1300A 1966
1300B 1967-1969
1300C 1968
1300D 1969-1970
908B 1967
908C 1968-1969
AB120 1957-1965
AM120 1961-1965
AM130 1961-1965
B100 1960
B102 1960
B110 1960
B112 1960
B120 1960
B122 1960
B130 1960
B132 1960
C100 1961-1962
C1000 1963-1964
C102 1961-1962
C110 1961-1962
C1100 1963-1964
C112 1961-1962
C120 1961-1962
C1200 1963-1964
C122 1961-1962
C130 1961-1962
C1300 1963-1964
C132 1961-1962
D1000 1965
D1100 1965
D1200 1965
M1100 1965-1972
M1200 1965-1972
M1400 1965-1967, 1969
M800 1965-1972
MA1200 1967-1971
MHC1310 1974
MS 1975
MS1210 1972-1974
Scout 1968-1980
Travelall 1975
Jaguar
XJ-Type 1971-1973
Jeep
Cherokee 1974-1983
CJ 1972-1981
Commando 1972-1973
DJ 1972-1974
J-Series 1972, 1974-1988
Wagoneer 1974-1991
Oldsmobile
442 1965-1971
Calais 1978-1984
Custom Cruiser 1971-1990
Cutlass 1964-1988
Eighty-Eight 1960-1964, 1967-1985
F85 1964-1972
Fiesta 1960-1963
Jetstar 1964-1966
Ninety-Eight 1960-1964, 1968-1984
Omega 1973-1979
Starfire 1961-1964, 1977-1980
Toronado 1968-1985
Vista Cruiser 1964-1969
Pontiac
6000 1982-1984
Astre 1977
Bonneville 1967-1986
Catalina 1967-1981
Firebird 1967-1989
Grand Am 1973-1975, 1978-1980
Grand Prix 1967-1987
Grand Safari 1971, 1973-1978
Grandville 1971-1975
GTO 1967-1973
Laurentian 1977-1981
LeMans 1967-1983
Parisienne 1977-1986
Phoenix 1977-1984
Safari 1967-1970, 1987-1989
Sunbird 1977-1980
Tempest 1968-1970
Ventura 1971-1977

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Hayden® 2705 - Standard Duty Thermal Engine Cooling Fan Clutch
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