Dayco 89020 accessory drive belt idler pulley for the 1976-1986 Ford F-150 V8 5.0L, the 1977-1979 F-150 V8 6.6L or 7.5L, the 1977-1986 F-150 V8 5.8L, the 1983-1986 F-150 6-cylinder 4.9L and other vehicles guides the drive belt along its path on a single bearing. It is made for the air conditioning position, and this listing is one pulley.
- Single bearing for the pulley to turn on
- Bearing with a 17 mm inner diameter and 12 mm width
- Takes belts up to 1/2 in. wide
Quick facts
- Part: Dayco 89020 accessory drive belt idler pulley
- Fits: the 1976-1986 Ford F-150 V8 5.0L, the 1977-1979 F-150 V8 6.6L or 7.5L, the 1977-1986 F-150 V8 5.8L, the 1983-1986 F-150 6-cylinder 4.9L and other vehicles
- Position: Air conditioning
- Condition: New
A worn idler pulley bearing can show up as a squeal or rumble from the belt area, or as a pulley that feels rough or wobbles when turned by hand with the engine off. A glazed drive belt, a weak belt tensioner or a noisy A/C compressor can be behind those noises too, so find the cause before buying.
Fits
The 1976-1986 Ford F-150 V8 5.0L, the 1977-1986 Ford F-250 V8 5.8L and the 1979-1987 Ford Mustang 4-cylinder 2.3L take this pulley, and so do many other vehicles. Each takes one pulley at the air conditioning position. If your vehicle isn't named here, find its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Air conditioning
- Quantity per vehicle: 1
- Maximum belt width: 1/2 in.
- Bearing inner diameter: 17 mm
- Bearing width: 12 mm
Build and materials
- Number of bearings: 1
- Condition: New
Interchange: 580238 · 38038 · 49034 · A5494 · A8796 · 45900 · 5900 · 131076 · 900048A · 209739 · 209842 · 900048
This part cross-references / interchanges with the following part numbers:
580238, 38038, 49034, A5494, A8796, 45900, 5900, 131076, 900048A, 209739, 209842, 900048, 3236315, 4271473, 83501351, J3240577, D8RZ-8678-A, E8UZ-8679-A, E8UZ-8679-AA, 32021724, 4118964, 9325663
Frequently Asked Questions
Does this idler pulley fit the 1977-1986 Ford F-250 V8 5.8L?
Yes. Dayco 89020 is listed for the 1977-1986 Ford F-250 V8 5.8L, and that truck takes one pulley.
Is Dayco 89020 the right idler pulley for the 1979-1987 Ford Mustang 4-cylinder 2.3L?
Yes. Dayco 89020 is listed for the 1979-1987 Ford Mustang 4-cylinder 2.3L, and the car takes one.
What size bearing does this idler pulley have?
This pulley has one bearing with a 17 mm inner diameter and a 12 mm width.
How can I tell if an idler pulley bearing is going bad?
A squeal or rumble from the belt area, or a pulley that feels rough or wobbles when turned by hand with the engine off, can mean the bearing is worn.
Does Dayco 89020 replace the 580238 idler pulley?
Yes. 580238 is one of the numbers listed as interchange for Dayco 89020.
