Dayco Accessory Drive Belt Tensioner Assembly 89202
Dayco Accessory Drive Belt Tensioner Assembly 89202 - view 2
Dayco Accessory Drive Belt Tensioner Assembly 89202
Dayco Accessory Drive Belt Tensioner Assembly 89202 - view 2

Dayco Accessory Drive Belt Tensioner Assembly P/N:89202

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$78.99
MPN: 89202
Item Package Quantity: 1
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Dayco Accessory Drive Belt Tensioner Assembly P/N:89202
Dayco Accessory Drive Belt Tensioner Assembly P/N:89202
$78.99

Keep the serpentine belt tight and every engine accessory spinning with the Dayco Accessory Drive Belt Tensioner Assembly 89202. This automatic tensioner installs as a direct-fit replacement for 1987-1993 Chevrolet and GMC full-size pickups and Suburbans equipped with the V8-7.4L engine — covering the Chevrolet C1500, C2500, C3500, K2500 and K3500 plus the R/V-Series Suburbans, and the matching GMC C2500, C3500, K2500, K3500 and R/V-Series models. See the Buyer's Guide tab for the full list of 25 applications.

The tensioner uses spring force to hold steady tension on the serpentine accessory drive belt, taking up slack as the belt wears and stretches so it tracks properly and keeps the accessories turning.

  • Automatic operation: self-adjusting design maintains belt tension without manual adjustment.
  • Serpentine belt type: built for the serpentine accessory drive, rotating counter-clockwise.
  • Single flat pulley: one flat pulley measuring 90 mm in diameter and 27 mm wide.
  • Made in the United States.

Signs the original tensioner may need replacing include belt squeal or chirp, a worn or wobbling pulley, and belt slippage. If a worn tensioner is the cause, this Dayco unit replaces it. Manufacturer part number 89202.

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

38143, 49001, 49261, 45857, 5857, 180202, 900052A, 999025A, VKM999025, 10129518, 10129559, 10187663, 12552358, 14103115

Frequently Asked Questions

What does this tensioner do?

It applies spring force to the serpentine accessory drive belt, automatically taking up slack as the belt wears so the belt stays properly tensioned and keeps driving the engine accessories.

Will this fit my vehicle?

It's a direct-fit replacement for 1987-1993 Chevrolet and GMC full-size trucks and Suburbans with the V8-7.4L engine. Check the Buyer's Guide tab to confirm your exact model and year.

Is this an automatic tensioner?

Yes. It's an automatic, self-adjusting tensioner that maintains belt tension without manual adjustment, and its pulley rotates counter-clockwise.

What are the pulley dimensions?

It has a single flat pulley measuring 90 mm in diameter and 27 mm wide.

What are the signs my tensioner needs replacing?

Belt squeal or chirp, a worn or wobbling pulley, and belt slippage can point to a worn tensioner. Diagnose the cause before replacing, since these symptoms can have other sources.

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