Dayco 89050 | Accessory Drive Belt Idler Pulley

Part Number
Accessory Drive Belt Idler Pulley

Fits: 90-94 Mazda 323, 90-97 Mazda Miata, 90-96 Mazda Protege, 99-00 Mazda Miata, 92-95 Hyundai Elantra, 92-98 Hyundai Sonata, 92-97 Isuzu Trooper, 93-97 Isuzu Rodeo, 94-97 Ford Aspire, 94-97 Honda Passport, 94-97 Kia Sephia, 96-97 Acura SLX, 02 Kia Sportage

Special Price $33.14 Regular Price $38.99
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Dayco® No Slack® Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer belt life. Lifetime lubricated ball bearings and double high temperature seals assure peak bearing performance, the most critical element of a pulley's service life. This specific "grooved", serpentine belt driven steel pulley contains a specially formulated e-coating, comparable to OE plating that resists corrosion and wear resistance under harsh environments.

BRAND: Dayco




Bearing Inner Diameter 115
Bearing Width13
Belt TypeSerpentine
Groove Quantity4
Max Belt Width04 Rib
Number of Bearings1



  • Goodyear: 49124
  • CARQUEST: 36099
  • Hyundai: 23129-34000
  • ACDelco: 36099
  • Duralast: 231050
  • Hyundai: 23129-28000
  • Mazda: BP01-15-930
  • Gates: 36099
  • Ford: F4BZ-8678-A
  • Isuzu: 8-97061-667-0
  • Hyundai: 97706-34000
  • Mazda: BP01-15-940
  • Ford: F4BZ-8679-A
  • Hyundai: 23129-28001
  • NAPA: 36099
  • Kia: 0K038-15-930
  • Kia: 0K201-15-930
  • Four Seasons: 45024


  • 1999-2000 Mazda Miata
    • w/o P.S., w/A.C.
  • 1992-1994 Mazda 323
  • 1990-1994 Mazda Protege
    • w/o P.S., w/A.C.
  • 2002-2002 Kia Sportage
  • 1990-1990 Mazda Miata
  • 1996-1997 Acura SLX
  • 1994-1997 Ford Aspire
    • w/Factory Air
  • 1990-1991 Mazda 323
    • w/o P.S., w/A.C.
  • 1992-1997 Isuzu Trooper - Position: Air Conditioning
  • 1994-1997 Honda Passport - Position: Front
  • 1994-1997 Kia Sephia
    • w/o P.S., w/A.C.
  • 1992-1998 Hyundai Sonata
  • 1993-1997 Isuzu Rodeo - Position: Air Conditioning
  • 1991-1997 Mazda Miata
    • w/o P.S., w/A.C.
  • 1995-1996 Mazda Protege
    • w/A.C., Early
  • 1992-1995 Hyundai Elantra
Customer Questions
Can a serpentine belt cause smoke?
Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.
Why is my serpentine belt squealing?
The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.
Is my serpentine belt too tight?
If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.
Why did my serpentine belt come off?
Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.
Please, mind that only logged in users can submit questions

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