Dayco Accessory Drive Belt P/N:28580
Dayco 15535 accessory drive belt for the 1975-1976 Ford F-150 V8 5.9L or 6.4L and other vehicles carries engine power to the belt-driven accessories.
A cracked, glazed or frayed belt, or a squeal from the front of the engine, can mean the belt is worn. A weak tensioner, a worn idler or pulley, or a misaligned pulley can make similar noises, so find the cause before buying. Inspect the belt by eye with the engine off and cool.
This accessory drive belt fits the 1975-1976 Ford F-150 V8 5.9L or 6.4L, the 1985-1986 Ford Mustang 4-cylinder 2.3L and the 1978-1980 Ford F-250 6-cylinder 4.9L, along with many other vehicles. The 1985-1986 Ford Mustang 4-cylinder 2.3L takes two; the other cars named here take one each. Driving something else? Look up your year, make and engine in the "Vehicles it fits" section.
Fit and size
Build and materials
Product information is for general reference and may contain errors. See our Disclaimer.
Does the Dayco 15535 accessory drive belt fit a 1985-1986 Ford Mustang 4-cylinder 2.3L?
Yes. Dayco 15535 is listed for the 1985-1986 Ford Mustang 4-cylinder 2.3L, and that car takes two belts.
What temperature range does the Dayco 15535 belt handle?
Dayco 15535 has an operating range of -35 F to 175 F (-37.2 C to 79.4 C).
Is this drive belt a bottom cog design?
Yes. This belt has bottom cog construction and a 36-degree angle. It is not a banded belt.
What does a worn drive belt look like?
Cracks, glazing, fraying or a squeal at the front of the engine can point to wear. Look with the engine off and cool; a shop can test belt tension and the tensioner.
Which SAE standards does this drive belt list?
This belt lists SAE J636 and SAE J637. Its compound is synthetic rubber.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.