Keep the alternator, water pump and other belt-driven accessories spinning with the Dayco accessory drive belt 17425, a V-belt that loops over your engine's factory pulleys as a direct-fit replacement for the listed applications. It covers many vehicles, including the 1975 Ford F-150 (L6-4.9L), 1974-1975 Ford F-250 (L6-4.9L) and 1968-1969 Ford Mustang (V8-6.4L, V8-7.0L) — see the "Vehicles it fits" section for the full list.
- Construction: bottom-cog V-belt with a 36-degree angle; non-banded (single belt).
- Material: black synthetic rubber compound.
- Dimensions: .53 in top width, 42.50 in (1079.50 mm) effective length, 42.77 in (1086.36 mm) outside circumference.
- Built to standards: SAE J636 and SAE J637; rated from -35°F to 175°F (-37.2°C to 79.4°C).
- Country of origin: Indonesia.
Quantity per application varies — many applications use one belt while some use two, so check the "Vehicles it fits" section for your vehicle. Signs a V-belt may need replacing include squealing, visible cracking, glazing or fraying on the belt.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Does this belt fit a 1975 Ford F-150 with the L6-4.9L engine?
Yes, the Dayco 17425 is listed for the 1975 Ford F-150 with the L6-4.9L engine. Check the "Vehicles it fits" section to confirm your exact vehicle and engine.
What type of belt is the Dayco 17425?
It's a V-belt with a bottom-cog (cogged) underside, a .53 in top width and a 36-degree angle, made from a black synthetic rubber compound.
What is the belt's length?
The effective length is 42.50 in (1079.50 mm) with an outside circumference of 42.77 in (1086.36 mm).
How many belts do I need?
Quantity varies by application — many use one belt, while some use two. Check the "Vehicles it fits" section for your vehicle's listed quantity.
What standards does this belt meet?
It's built to SAE J636 and SAE J637, and is rated for operation from -35°F to 175°F (-37.2°C to 79.4°C).
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