Dayco 89051 upper accessory drive belt tensioner pulley for the 1997-2003 Ford F-150 V6 4.2L, the 2002-2008 F-150 V8 4.6L or 5.4L and other vehicles guides the serpentine belt around the accessory drive.
- Grooved pulley for a 6-rib serpentine belt
- Single bearing with a 17 mm inner diameter and a 12 mm width
- Upper position in the accessory belt drive
Quick facts
- Part: Dayco 89051 accessory drive belt tensioner pulley
- Fits: the 1997-2003 Ford F-150 V6 4.2L, the 2002-2008 F-150 V8 4.6L or 5.4L and other vehicles
- Position: Upper
- Condition: New
A worn Dayco drive belt tensioner pulley can show up as a chirp, a squeal or a wobble in the belt path. Noise alone does not prove the pulley is at fault, since a glazed belt can squeal as well.
Fits
The vehicles it fits include the 1994-2004 Ford Mustang V6 3.8L and the 2004 Mustang V6 3.9L, plus the 2002-2008 Ford F-450 Super Duty V10 6.8L. Each engine takes one pulley, and this listing is a single pulley.
Specifications
Fit and size
- Position: upper
- Quantity per vehicle: 1
- Belt width: 6 rib
- Bearing inner diameter: 17 mm
- Bearing width: 12 mm
Build and materials
- Pulley type: grooved
- Belt type: serpentine
- Number of bearings: 1
- Condition: New
Interchange: 419-629
36100 · ALT04115 · 580128 · 580254 · 36329 · 49106 · 49186 · 900162A · 900539A · YS249 · YS291 · 900162 · 900539
This part cross-references / interchanges with the following part numbers:
36100, ALT04115, 580128, 580254, 36329, 49106, 49186, 419-629, 900162A, 900539A, YS249, YS291, 900162, 900539
Frequently Asked Questions
Will the Dayco 89051 pulley fit a 1997-2003 Ford F-150 V6 4.2L?
Yes, Dayco 89051 fits the 1997-2003 Ford F-150 V6 4.2L and the 2002-2008 F-150 V8 4.6L or 5.4L; for any other car, look it up by year and engine in the "Vehicles it fits" section.
Does Dayco 89051 fit the 1994-2004 Ford Mustang V6 3.8L?
Yes. Dayco 89051 fits the 1994-2004 Ford Mustang V6 3.8L, and the 2004 Mustang V6 3.9L is covered too.
What belt width does this grooved tensioner pulley take?
This grooved pulley is made for a 6-rib serpentine belt.
What size is the bearing in this upper tensioner pulley?
This pulley has one bearing with a 17 mm inner diameter and a 12 mm width.
Does Dayco 89051 replace 419-629?
Yes, 419-629 is one of the numbers Dayco 89051 replaces, along with 36100 and ALT04115.
