Dayco 17580 accessory drive belt for the 1976 Ford F-150 V8 5.9L or 6.4L and other vehicles carries rotation from the crankshaft to the belt-driven accessories. If the belt slips or breaks, those accessories stop turning with the engine.
- Synthetic rubber compound
- Bottom cog construction, not a banded belt
- Operating temperature range of -37.2 C to 79.4 C (-35 F to 175 F)
- Standards: SAE J636 and SAE J637
Quick facts
- Part: Dayco 17580 accessory drive belt
- Fits: the 1976 Ford F-150 V8 5.9L or 6.4L and other vehicles
- Material: synthetic rubber compound
- Condition: New
Cracks, fraying, missing chunks or a glazed, shiny surface can mean the belt is worn, and so can a squeal on start-up. With the engine off, look along the whole belt for these marks. A squeal can also come from a pulley or tensioner, so check those before you order a belt.
Fits
The 1976 Ford F-150 V8 5.9L or 6.4L, the 1983 Ford F-250 V8 6.9L and the 1989-1991 Peterbilt 379 10.5L all take this belt, along with more cars and trucks. The 1989-1991 Peterbilt 379 10.5L takes two belts, while the 1983 Ford F-250 V8 6.9L takes one.
Specifications
Fit and size
- Quantity per vehicle: 1 or 2, depending on the vehicle
- Angle: 36 degrees
Build and materials
- Construction: bottom cog
- Banded belt: no
- Compound: synthetic rubber
- Operating temperature: -37.2 C to 79.4 C (-35 F to 175 F)
- Standards: SAE J636, SAE J637
- Condition: New
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Does the Dayco 17580 belt fit the 1983 Ford F-250 V8 6.9L?
Yes. Dayco 17580 fits the 1983 Ford F-250 V8 6.9L, which takes one belt. If your vehicle isn't named here, look up its year and engine in the "Vehicles it fits" section.
Is the Dayco 17580 belt right for the 1989-1991 Peterbilt 379 10.5L?
Yes. Dayco 17580 fits the 1989-1991 Peterbilt 379 10.5L, and that truck takes two belts. This listing is a single belt.
What temperatures can this Dayco accessory drive belt operate in?
The operating range runs from -37.2 C to 79.4 C (-35 F to 175 F). The belt uses a synthetic rubber compound.
What does a worn bottom cog belt look like?
Cracks, fraying, missing chunks of cog or a glazed, shiny surface can mean the belt is worn. Check with the engine off; a shop can test belt tension and alignment.
Which SAE standards are listed for the Dayco 17580 belt?
Dayco 17580 lists SAE J636 and SAE J637. It has bottom cog construction and is not a banded belt.
