Dayco 17585 accessory drive belt for the 1982-1986 Ford F-150 6-cylinder 4.9L, the 1984 F-150 V8 6.9L and other vehicles carries engine power from the crankshaft to the accessories it drives.
- Synthetic rubber compound belt body
- Bottom cog construction; not a banded belt
- 36-degree belt angle
- Made to SAE J636 and SAE J637 standards
- Operating temperature from -37.2 C to 79.4 C (-35 F to 175 F)
Quick facts
- Part: Dayco 17585 accessory drive belt
- Fits: 1982-1986 Ford F-150 6-cylinder 4.9L, the 1984 F-150 V8 6.9L and other vehicles
- Material: Synthetic rubber compound
- Condition: New
A squeal, cracking or fraying can mean the Dayco accessory drive belt is worn, though a worn tensioner or a bad idler pulley can be behind the same symptoms, so find out which one it is before you buy.
Fits
The 1982-1986 Ford F-250 6-cylinder 4.9L, the 1984-1987 F-250 V8 6.9L, the 1988-1989 F-250 V8 7.3L and the 1982-1986 Ford Bronco 6-cylinder 4.9L all fit this belt at one per vehicle, along with many other vehicles; some heavy trucks in the fitment take two or three. Driving something else? Look up your own vehicle's year and engine in the "Vehicles it fits" section before you order.
Specifications
Fit and size
- Quantity per vehicle: varies by application
- Belt angle: 36 degrees
Build and materials
- Material: Synthetic rubber compound
- Belt construction: Bottom cog
- Banded belt: No
- Standards: SAE J636, SAE J637
- Operating temperature: -37.2 C to 79.4 C (-35 F to 175 F)
- Condition: New
Interchange: 141-1283 · L38-1485 · JC-585 · JC-585L · JC-585LA · JC-587 · 25-14855 · 25-9585 · 25-9585HD · 17-586 · 17-590
9585HD · 7585 · 3575 · B3575 · RPF3575 · RPF3585 · 9585 · 58517 · 16588
This part cross-references / interchanges with the following part numbers:
17585, 9585HD, 7585, 3575, B3575, RPF3575, RPF3585, 141-1283, 9585, 58517, L38-1485, JC-585, JC-585L, JC-585LA, JC-587, 25-14855, 25-9585, 25-9585HD, 17-586, 17-590, 16588
Frequently Asked Questions
Does the Dayco 17585 accessory drive belt fit the 1982-1986 Ford F-250 6-cylinder 4.9L?
Yes. Dayco 17585 fits the 1982-1986 Ford F-250 6-cylinder 4.9L, and that truck takes one belt.
What temperature range can this Dayco 17585 belt handle?
The Dayco 17585 is rated for operating temperatures from -37.2 C to 79.4 C (-35 F to 175 F).
Is this accessory drive belt a banded belt?
No. It is a bottom cog belt in a synthetic rubber compound, with a 36-degree angle.
Does Dayco 17585 replace number 25-9585?
Yes. 25-9585 is one of the cross-reference numbers for Dayco 17585, along with 9585HD and 3575.
How can I tell this bottom cog belt is worn?
With the engine off and cool, look for cracks or fraying on the belt. A squeal in normal driving can also point to wear.
