Dayco 89012 accessory drive belt idler pulley for the 1997-2003 Ford F-150 V6 4.2L and other vehicles guides the drive belt along its path around the engine.
- Grooved pulley face, not flat, for a ribbed belt
- Takes a belt up to 6 ribs wide
- Single bearing with a 17 mm inner diameter
- Bearing width of 12 mm
Quick facts
- Part: Dayco 89012 accessory drive belt idler pulley
- Fits: 1997-2003 Ford F-150 V6 4.2L and other vehicles
- Position: Right, left, alternator, main drive, grooved pulley
- Condition: New
A rough or noisy bearing, a wobbling pulley or a worn groove surface can mean the pulley has worn out. A squeal alone does not prove the pulley is at fault, since a glazed or worn belt can make the same sound.
Fits
The vehicles it fits include the 1997-2003 Ford F-150 V6 4.2L, the 1986-2001 Jeep Cherokee and the 1991-1994 Jeep Wrangler 4-cylinder 2.5L or 6-cylinder 4.0L, along with many other vehicles. The 1997-2003 Ford F-150 V6 4.2L takes one.
Specifications
Fit and size
- Position: Right, left, alternator, main drive, grooved pulley
- Quantity per vehicle: 1
- Maximum belt width: 6 ribs
- Bearing inner diameter: 17 mm
- Bearing width: 12 mm
Build and materials
- Pulley face: grooved (not flat)
- Number of bearings: 1
- Condition: New
Interchange: 419-631
38019 · ALT04033 · 580201 · 580243 · 36327 · A5484 · 45976 · 49016 · 50003 · 57789 · 5976 · 131082 · 900037A · 900517A · 231082 · 5L3Z8678AA · YS271 · YS315 · 209756 · 900037 · 900517
This part cross-references / interchanges with the following part numbers:
38019, ALT04033, 580201, 580243, 36327, 419-631, A5484, 45976, 49016, 50003, 57789, 5976, 131082, 900037A, 900517A, 231082, 5L3Z8678AA, YS271, YS315, 209756, 900037, 900517, 53002903, 4W4E-6C348-AA, 4W4Z-6C348-AA, 5L3E-19A216-AA, 5L3Z-8678-AA, F75Z-8678-BA, F75Z-8678-BB, F75Z 8678-BB, 14103118, LR010689, LR035544, LR077672, LR086058, LR106769
Frequently Asked Questions
Does the Dayco 89012 idler pulley fit the 1997-2003 Ford F-150 V6 4.2L?
Yes. Dayco 89012 fits the 1997-2003 Ford F-150 V6 4.2L. If your vehicle is a different one, look it up in the "Vehicles it fits" section and check it there.
Is the Dayco 89012 right for the 1991-1994 Jeep Wrangler 4-cylinder 2.5L or 6-cylinder 4.0L?
Yes. The 1991-1994 Jeep Wrangler is covered with either the 4-cylinder 2.5L or the 6-cylinder 4.0L engine, and each takes one pulley.
What size is the bearing in the Dayco 89012 idler pulley?
Dayco 89012 has a single bearing with a 17 mm inner diameter and a width of 12 mm.
Is this idler pulley flat or grooved, and what belt width does it take?
This idler pulley is grooved, not flat, and takes a belt up to 6 ribs wide.
Does Dayco 89012 interchange with number 5L3Z8678AA?
Yes. 5L3Z8678AA is on the interchange list for Dayco 89012, which is printed in full at the bottom of the description.
