Keep the alternator, power steering pump, cooling fan, air pump, and water pump spinning with the Dayco Accessory Drive Belt 15388. This engine-belt-driven accessory belt loops over the accessory pulleys and transfers rotation from the crankshaft to drive the belt-powered accessories on your vehicle. It's a direct-fit replacement across a broad range of classic and light-truck applications, including the 1973 Buick LeSabre, 1973-1974 Cadillac DeVille, 1975-1979 Chevrolet C10, 1972-1974 Dodge D100 Pickup, 1960 Ford Fairlane, 1975-1978 GMC C15, and many more — see the Buyer's Guide tab for the full list of 138 applications.
- Drive coverage: Cataloged for accessory-drive positions including the alternator, power steering, fan, air pump, and water pump, depending on the application.
- Function: Routes over the accessory pulleys to transmit crankshaft rotation to the belt-driven accessories.
- Replacement part: A worn belt may show cracking, glazing, fraying, or squeal — signs this belt may need replacing.
Interchange: NA · FB15388 · 15395 · 1961865 · 38813 · 8383 · 13391 · 15W388L · JB-394 · JB394 · JE-390LA · JE390LA · 25-7385 · 257385 · 15390. Manufacturer part number 15388.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this belt do?
It loops over the accessory pulleys and transmits crankshaft rotation to drive belt-powered accessories such as the alternator, power steering pump, fan, air pump, and water pump, depending on the application.
Will this belt fit my vehicle?
The 15388 is a direct-fit replacement across 138 listed applications from 1959 through 1992. Check the Buyer's Guide tab to confirm your exact year, make, and model before ordering.
How do I know when the belt needs replacing?
Cracking, glazing, fraying, or a squeal from the belt can be signs it may need replacing. Diagnose the source of any noise before deciding, as other components can also cause it.
What numbers does this belt cross-reference?
It interchanges with NA, FB15388, 15395, 1961865, 38813, 8383, 13391, 15W388L, JB-394, JE-390LA, 25-7385, and 15390.
Which accessories does this belt drive?
It is cataloged for accessory-drive positions including the alternator, power steering, fan, air pump, and water pump; the exact accessories driven vary by application.
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