Gates Accessory Drive Belt P/N:2/9670PB

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$85.99
MPN: 2/9670PB
Item Package Quantity: 1
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Gates Accessory Drive Belt P/N:2/9670PB
Gates Accessory Drive Belt P/N:2/9670PB
$85.99

Silence belt squeal and keep the fan and alternator turning with the Gates Accessory Drive Belt 2/9670PB. This belt carries rotation from the crankshaft over to the fan and alternator, and it drops in as a direct-fit replacement for the 1988-1990 Chevrolet B60, 1989-1991 GMC B6000, 1989-1993 Mack RB, and the 1990-1993 Mack RD, Mack RM, and Mack RW.

  • Drive job: transfers the crankshaft's rotation to the fan and alternator to keep those accessories spinning.
  • Cataloged position: serves the fan and alternator drive.
  • Routed install: loops over the existing accessory pulleys rather than bolting on.
  • Application match: a direct-fit belt for the vehicles listed above.

A worn belt often shows up as squealing or chirping on startup, glazing, cracking, or fraying. If a failing belt is the cause of those signs, replacing it with this belt restores the drive path to the fan and alternator; diagnose the underlying condition first, since noise or charging issues can also come from the tensioner, pulleys, or accessories themselves.

Interchange: 2T17670 · GT2PB17672 · 2B17670 · 88GB439P672 · 25-17035-2 · 25170352 · 25-9670-2 · 2596702
Manufacturer part number 2/9670PB.

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

2T17670, GT2PB17672, 2B17670, 88GB439P672, 25-17035-2, 25-9670-2

Frequently Asked Questions

What does this belt drive?

It's cataloged for the fan and alternator, transferring rotation from the crankshaft to keep those accessories spinning.

Which vehicles does the 2/9670PB fit?

It's a direct-fit belt for the 1988-1990 Chevrolet B60, 1989-1991 GMC B6000, 1989-1993 Mack RB, and 1990-1993 Mack RD, RM, and RW. Check the Buyer's Guide tab to confirm your vehicle.

What part numbers does this belt interchange with?

It cross-references 2T17670, GT2PB17672, 2B17670, 88GB439P672, 25-17035-2 (25170352), and 25-9670-2 (2596702).

How do I know if my belt needs replacing?

Signs a belt may need replacing include squealing or chirping, glazing, cracking, or fraying. Confirm the belt is the cause before replacing, as pulleys or the tensioner can produce similar noise.

Does it install without special tools?

It loops over the existing accessory pulleys rather than bolting on. Follow the vehicle service procedure for the correct routing and belt tension.