Dayco Accessory Drive Belt 17660
Dayco Accessory Drive Belt 17660 - view 2
Dayco Accessory Drive Belt 17660
Dayco Accessory Drive Belt 17660 - view 2

Dayco Accessory Drive Belt P/N:17660

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$29.99
MPN: 17660
Item Package Quantity: 1
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Dayco Accessory Drive Belt P/N:17660
Dayco Accessory Drive Belt P/N:17660
$29.99

Keep every belt-driven engine accessory turning with the Dayco Accessory Drive Belt 17660. This drive belt routes over the crankshaft and accessory pulleys to transfer power from the engine to components such as the alternator, water pump, and power steering pump. It's a direct-fit replacement for a wide range of listed applications, including the 1966 Ford Fairlane, the 1972 Ford E-100/E-200/E-300 Econoline, 1973 Jeep J-2500, J-2600 and Wagoneer, 1974 American Motors Hornet and Matador, and dozens of Chevrolet, GMC, Ford, Mack, Peterbilt, White and Blue Bird medium- and heavy-duty trucks.

  • Drives the accessory system: loops over the crankshaft and accessory pulleys to spin the engine-mounted accessories.
  • Signs it may need replacing: belt squeal or chirp, visible cracking, glazing, or fraying.
  • Broad coverage: fits 65 listed applications spanning passenger and commercial vehicles — see the Buyer's Guide tab for the full list.

Interchange: 2T17660 · 9660HD · 16663 · 3660 · B3650 · RPF3660 · 9660 · 13A1675 · 8399 · 17661 · L38-1675 · L381675 · JC-661 · JC661 · JC-661C · JC661C · JC-661L · JC661L · JC-664 · JC664 · 25-16755 · 2516755 · 25-16755-2 · 25167552 · 25-9660 · 259660 · 25-9660-2 · 2596602 · 25-9660HD · 259660HD · 12.5X1675 · 17-664 · 17664 · Manufacturer part number 17660.

This part cross-references / interchanges with the following part numbers:

17660, 2T17660, 9660HD, 16663, 3660, B3650, RPF3660, 9660, 13A1675, 8399, 17661, L38-1675, JC-661, JC-661C, JC-661L, JC-664, 25-16755, 25-16755-2, 25-9660, 25-9660-2, 25-9660HD, 12.5X1675, 17-664

Frequently Asked Questions

What does this belt do?

It routes over the crankshaft and accessory pulleys to transfer engine power to accessories such as the alternator, water pump, and power steering pump.

How do I know if my belt needs replacing?

Common signs include belt squeal or chirp, visible cracking, glazing, or fraying. Inspect the belt and replace it if it shows wear.

Will this fit my vehicle?

The 17660 is listed for 65 applications across Ford, Chevrolet, GMC, Jeep, AMC, Mack, Peterbilt, White and Blue Bird models. Check the Buyer's Guide tab to confirm your vehicle.

What numbers does this belt cross-reference?

Interchanges include 2T17660, 9660HD, 16663, 3660, B3650, RPF3660, 9660, 13A1675, 8399, 17661, L38-1675, JC-661, JC-664, 25-16755, 25-9660, 12.5X1675 and 17-664.

Is this a direct replacement?

Yes, it is a direct-fit replacement drive belt for the listed applications. Verify fitment for your specific vehicle before ordering.

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