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The leader in automotive cooling since 1960. Hayden Automotive offers a full line of engine and transmission cooling products that meet or exceed the original equipment. Virtually every vehicle's cooling system can be improved or enhanced with Hayden's products. They help to improve fuel efficiency, horsepower and extend the life of your engine and transmission.


  • Made out of steel and thermoplastic which provides longer life and superior dampening
  • Prevents belt slips which eliminates noise
  • Made with high grade bearings that are created to withstand higher operating temperatures
  • Constructed to ensure OE quality and reliability
Belt TypeBack Idler
Belt Width IN1.000
Belt Width MM25.400
DescriptionTensioners and Pulleys
I.D. IN0.6875
I.D. MM17.463
Meets / Exceeds OEM?Yes
O.D. IN3.000
O.D. MM76.200
StyleIdler / Tensioner Pulley

HAYDEN Warranty Information:
Standard / Heavy Duty Flex Fans, Fan Clutch Fans, Transmission and Engine Oil Coolers - 24 months / 24,000 miles. Fan Clutches, Electric Fans, Radiator Fan Motors & Accessories, Pulleys, Idlers & Tensioners, Semi-Flex Fans - 12 months / 12,000 miles.
Warranty Details