Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900 - view 2
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900 - view 3
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900 - view 4
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900 - view 2
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900 - view 3
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley 45900 - view 4

Drive Belt Idler Pulley for 1975-1986 Ford F-150 & More - Four Seasons 45900

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$24.99
MPN: 45900
Item Package Quantity: 1
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Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley P/N:45900
Four Seasons Accessory Drive Belt Idler Pulley,Accessory Drive Belt Tensioner Pulley P/N:45900
$24.99

Four Seasons 45900 drive belt idler pulley for the 1975-1986 Ford F-150 4.9L / 5.0L and other vehicles guides the belt in the air conditioning drive. It is also listed as a tensioner pulley.

  • Engineered and tested for trouble-free operation, backed by over 50 years of mobile A/C experience
  • Constructed to ensure OE quality and reliability
  • High-grade bearings created to withstand higher operating temperatures
  • Prevents belt slip, which eliminates noise

A squeal or grinding noise from the belt area, or a belt that slips, can mean this pulley is worn. A worn belt or a failing A/C compressor can produce those same symptoms, so pin down which part is at fault before you buy.

The 1975-1986 Ford F-150 4.9L / 5.0L, 1985-1987 Toyota Corolla 1.6L and 1972-1986 Ford F-250 4.9L are among the many vehicles it fits, at one pulley per vehicle.

Specifications

Fit and size

  • Location: Air conditioning
  • Quantity per vehicle: 1
  • Outside diameter: 3.500 in (88.9 mm)
  • Width: 20 mm
  • Belt width: 0.500 in
  • Mounting holes: 1

Build and materials

  • Type: Idler pulley
  • Material: Steel
  • Belt type: V-belt
  • Grooves: 1

In the box: the pulley. Mounting hardware is not included, so plan on new bolts.

Frequently Asked Questions

Does the Four Seasons 45900 idler pulley fit a 1985-1987 Toyota Corolla 1.6L?

Yes, Four Seasons 45900 fits the 1985-1987 Toyota Corolla 1.6L and the 1975-1986 Ford F-150 4.9L / 5.0L. If your car is not named here, find it on the Buyer's Guide tab.

Does the 45900 idler pulley come with a mounting bolt?

No. The Four Seasons 45900 does not include mounting hardware, so plan on new bolts when you install it.

What size is this A/C idler pulley?

The pulley has a 3.500 in (88.9 mm) outside diameter and is 20 mm wide. Its belt width is 0.500 in.

How can I tell if this A/C idler pulley is wearing out?

A squeal or grinding noise from the belt area, or a belt that slips, can be signs the pulley bearing is wearing.

Is this A/C idler pulley made of steel?

Yes, the pulley is steel. It uses high-grade bearings created to withstand higher operating temperatures.

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