Accessory Drive Belt for 1997-1999 Mack DM & More - Dayco 17645

$27.99

Dayco Accessory Drive Belt 17645 - view 2

Dayco Accessory Drive Belt 17645 - view 3

Part number: 17645

UPC: 038244119400

Condition: New

Weight: 0.50 LBS

Item Package Quantity: 1

$27.99

Current Stock: 4

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Dayco Accessory Drive Belt P/N:17645

$27.99

Description

Dayco 17645 accessory drive belt for the 1997-1999 Mack DM 11.9L and other vehicles carries engine power to the driven accessories.

Bottom cog construction on a non-banded belt
Synthetic rubber compound
36-degree belt angle
Made to SAE J636 and SAE J637 standards
Rated for operation from -35 F to 175 F (-37.2 C to 79.4 C)

Quick facts

Part: Dayco 17645 accessory drive belt
Fits: the 1997-1999 Mack DM 11.9L and other vehicles
Material: synthetic rubber compound
Condition: New

Cracks, fraying or a squeal at start-up can mean this belt is worn, though a tired tensioner or a misaligned pulley can be behind them too.

Fits

The 1997-1999 Mack DM 11.9L, the 1997-1999 Kenworth T2000 6-cylinder 14.6L and the 1997-1999 Mack DMM take this belt, and so do many other vehicles. Each of those takes two belts and other applications take one or two, and this listing is one belt; if your vehicle is not named here, open the "Vehicles it fits" section to check your exact model and engine.

Specifications

Fit and size

Quantity per vehicle: 1 or 2, depending on the application
Belt lengths: 64.50 in (1638.30 mm) and 64.77 in (1645.16 mm)
Belt angle: 36 degrees

Build and materials

Construction: bottom cog
Banded belt: no
Material: synthetic rubber compound
Standards: SAE J636, SAE J637
Operating temperature: -35 F to 175 F (-37.2 C to 79.4 C)
Condition: New

Interchange: L38-1640 · JC-647 · JC-647C · JC-650
16659 · 1963142 · JC654

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

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

16659, NA, 1963142, 17645, L38-1640, JC-647, JC-647C, JC-650, JC654

Buyer's Q&A

Frequently Asked Questions

Does the Dayco 17645 belt fit the 1997-1999 Mack DM 11.9L?

Yes. Dayco 17645 fits the 1997-1999 Mack DM 11.9L, which takes two belts. For another vehicle, open the "Vehicles it fits" section and check your exact model and engine.

What temperature range is the Dayco 17645 belt rated for?

Dayco 17645 is rated for operation from -35 F to 175 F (-37.2 C to 79.4 C).

Is this accessory drive belt banded or bottom cog?

It is a bottom cog belt and it is not banded. The compound is synthetic rubber and the belt angle is 36 degrees.

What signs show an accessory drive belt is wearing out?

Visible cracks or fraying, checked with the engine off and cool, or a squeal or chirp while driving can mean the belt is worn. A shop can inspect it if you are unsure.

Does Dayco 17645 replace belt number L38-1640?

Yes. L38-1640 is one of the other numbers that Dayco 17645 replaces. The full list is on the Interchange line.