HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89146 Accessory Drive Belt Tensioner Pulley - Alternator and Air Conditioning
Part #: 89146

Dayco 89146 Accessory Drive Belt Tensioner Pulley - Alternator and Air Conditioning

Alternator and Air Conditioning
⚙️ 151 vehicles fit this part
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🚗Fitment: Polaris, Buick, Chevrolet, GMC, Saab, Pontiac, Saturn, and Oldsmobile, Slingshot Grand Touring, Slingshot S, Slingshot SL, Slingshot SLR, Slingshot Grand Touring LE, Slingshot SLR LE, Verano, Equinox, Terrain, Slingshot, Slingshot SL LE, Regal, Malibu, Orlando, LaCrosse, HHR, 9-3, 9-3X, 9-5, Cobalt, G5, G6, Sky, Vue, Solstice, Aura, Ion, Pursuit, Cavalier, Classic, Grand Am, Sunfire, Alero, L300, L200, LW200, L100, LS, LS1, and LW1
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Overview of Dayco Accessory Drive Belt Tensioner Pulley 89146

The Dayco Accessory Drive Belt Tensioner Pulley 89146 is designed to maintain proper tension on serpentine belts in various GM and Saab vehicles. Engineered with a durable polymer material, this pulley supports smooth belt operation and helps prevent premature wear.

  • Constructed from high-quality polymer for durability and reduced noise
  • Compatible with serpentine belt systems up to 5 ribs wide
  • Features a single bearing with a 17mm inner diameter and 12mm width
  • Flat pulley design suitable for specific accessory drive configurations
  • Designed for use in select Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn models

Technical Specifications and Compatibility

This accessory drive belt tensioner pulley measures 82mm in outer diameter and 21.7mm in thickness, optimized for serpentine belt systems. The single bearing design ensures reliable rotation with minimal friction, supporting belt widths up to 5 ribs. The flat pulley profile is engineered to fit specific tensioner assemblies found in vehicles such as the Chevrolet Malibu, Pontiac G6, Buick LaCrosse, Saab 9-3, and Saturn Vue.

Applications and Vehicle Fitment

The Dayco 89146 pulley is compatible with a range of makes and models, including Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn. Notable compatible models include the Chevrolet Equinox, Pontiac Grand Am, Buick Regal, Saab 9-5, and Saturn Aura. This part is essential for maintaining proper belt tension in these vehicles’ accessory drive systems, ensuring efficient operation of alternators, power steering pumps, and air conditioning compressors.

Common Issues Addressed by This Pulley

  • Eliminates belt slippage caused by worn or loose tensioners
  • Reduces noise from misaligned or damaged pulleys
  • Prevents premature serpentine belt wear and failure
  • Maintains consistent belt tension for optimal accessory performance
  • Supports smooth operation of engine-driven components

Installation Notes and Tips

When installing the Dayco 89146 tensioner pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Verify the pulley’s flat profile matches the original equipment part. Use appropriate tools to avoid damaging the polymer surface or bearing. It is recommended to inspect the entire accessory drive belt system during installation and replace any worn components to maintain system integrity.

Quality Assurance and Warranty

Dayco manufactures this accessory drive belt tensioner pulley to meet or exceed OEM specifications. The polymer material and bearing assembly are tested for durability and performance under typical operating conditions. While specific warranty details may vary, Dayco products generally come with a limited warranty covering defects in materials and workmanship, providing confidence in the part’s reliability.

BrandDayco
Part Number89146
21.7
82
Bearing Inner Diameter 117
Bearing Width12
Belt TypeSerpentine
FlatY
MaterialPolymer
Max Belt Width05 Rib
Number of Bearings1

This part fits 151 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2017BuickVeranoFLEXN/A
2017ChevroletEquinox2.4LL4N/A
2017GMCTerrain2.4LL4N/A
2016BuickVerano2.4LL4FLEXN/A
2016BuickVerano2.0LL4N/A
2016ChevroletEquinox2.4LL4N/A
2016GMCTerrain2.4LL4N/A
2015BuickVerano2.4LL4N/A
2015BuickVerano2.0LL4N/A
2015ChevroletEquinox2.4LL4N/A
2015GMCTerrain2.4LL4N/A
2014BuickVerano2.4LL4N/A
2014BuickVerano2.0LL4N/A
2014ChevroletEquinox2.4LL4N/A
2014GMCTerrain2.4LL4N/A
2013BuickVerano2.4LL4N/A
2013BuickVerano2.0LL4N/A
2013ChevroletEquinox2.4LL4N/A
2013GMCTerrain2.4LL4N/A
2012BuickRegal2.4LL4FLEXN/A
2012BuickVeranoN/A
2012ChevroletEquinox2.4LL4N/A
2012ChevroletMalibu2.4LL4N/A
2012GMCTerrain2.4LL4N/A
2011BuickLaCrosse2.4LL4N/A
2011ChevroletEquinox2.4LL4N/A
2011ChevroletHHR2.2LL4N/A
2011ChevroletHHR2.4LL4N/A
2011ChevroletMalibu2.4LL4N/A
2011GMCTerrain2.4LL4N/A
2011Saab9-3N/A
2011Saab9-3XN/A
2011Saab9-52.0LL4N/A
2010ChevroletCobalt2.2LL4N/A
2010ChevroletCobalt2.0LL4N/A
2010ChevroletEquinox2.4LL4N/A
2010ChevroletHHR2.2LL4N/A
2010ChevroletHHR2.4LL4N/A
2010ChevroletMalibu2.4LL4N/A
2010GMCTerrain2.4LL4N/A
2010PontiacG5N/A
2010PontiacG62.4LL4N/A
2010Saab9-3N/A
2010Saab9-3XN/A
2010SaturnSky2.4LL4Alternator and Air Conditioning
2010SaturnSky2.0LL4Alternator and Air Conditioning
2010SaturnVue2.4LL4N/A
2009ChevroletCobalt2.2LL4N/A
2009ChevroletCobalt2.0LL4N/A
2009ChevroletHHR2.2LL4N/A
2009ChevroletHHR2.4LL4N/A
2009ChevroletMalibu2.4LL4N/A
2009PontiacG5N/A
2009PontiacG62.4LL4N/A
2009PontiacSolstice2.4LL4Alternator and Air Conditioning
2009PontiacSolstice2.0LL4Alternator and Air Conditioning
2009Saab9-32.0LL4N/A
2009SaturnAura2.4LL4N/A
2009SaturnSky2.4LL4Alternator and Air Conditioning
2009SaturnSky2.0LL4Alternator and Air Conditioning
2009SaturnVue2.4LL4GASN/A
2008ChevroletCobalt2.2LL4N/A
2008ChevroletCobalt2.4LL4N/A
2008ChevroletCobalt2.0LL4N/A
2008ChevroletHHR2.2LL4N/A
2008ChevroletHHR2.4LL4N/A
2008ChevroletMalibu2.2LL4N/A
2008ChevroletMalibu2.4LL4N/A
2008PontiacG52.2LL4N/A
2008PontiacG52.4LL4N/A
2008PontiacG62.4LL4N/A
2008PontiacSolstice2.4LL4Alternator and Air Conditioning
2008PontiacSolstice2.0LL4Alternator and Air Conditioning
2008Saab9-32.0LL4N/A
2008SaturnAura2.4LL4N/A
2008SaturnSky2.4LL4Alternator and Air Conditioning
2008SaturnSky2.0LL4Alternator and Air Conditioning
2008SaturnVue2.4LL4GASN/A
2007ChevroletCobalt2.2LL4N/A
2007ChevroletCobalt2.4LL4N/A
2007ChevroletHHR2.2LL4N/A
2007ChevroletHHR2.4LL4N/A
2007ChevroletMalibu2.2LL4N/A
2007PontiacG52.2LL4N/A
2007PontiacG52.4LL4N/A
2007PontiacG62.4LL4N/A
2007PontiacSolstice2.4LL4Alternator and Air Conditioning
2007PontiacSolstice2.0LL4Alternator and Air Conditioning
2007Saab9-32.0LL4N/A
2007SaturnAura2.4LL4N/A
2007SaturnIon2.2LL4N/A
2007SaturnIon2.4LL4N/A
2007SaturnSky2.4LL4Alternator and Air Conditioning
2007SaturnSky2.0LL4Alternator and Air Conditioning
2007SaturnVue2.2LL4N/A
2006ChevroletCobalt2.2LL4N/A
2006ChevroletCobalt2.4LL4N/A
2006ChevroletHHR2.2LL4N/A
2006ChevroletHHR2.4LL4N/A
2006ChevroletMalibu2.2LL4N/A
2006PontiacG62.4LL4N/A
2006PontiacPursuit2.2LL4N/A
2006PontiacPursuit2.4LL4N/A
2006PontiacSolsticeAlternator and Air Conditioning
2006Saab9-32.0LL4N/A
2006SaturnIon2.2LL4N/A
2006SaturnIon2.4LL4N/A
2006SaturnVue2.2LL4N/A
2005ChevroletCavalierN/A
2005ChevroletClassicN/A
2005ChevroletCobalt2.2LL4N/A
2005ChevroletMalibu2.2LL4N/A
2005PontiacGrand Am2.2LL4N/A
2005PontiacPursuitN/A
2005PontiacSunfireN/A
2005Saab9-3N/A
2005SaturnIon2.2LL4N/A
2005SaturnVue2.2LL4N/A
2004ChevroletCavalier2.2LL4N/A
2004ChevroletClassicN/A
2004ChevroletMalibu2.2LL4N/A
2004OldsmobileAlero2.2LL4N/A
2004PontiacGrand Am2.2LL4N/A
2004PontiacSunfireN/A
2004Saab9-3N/A
2004SaturnIon2.2LL4N/A
2004SaturnL3002.2LL4N/A
2004SaturnVue2.2LL4N/A
2003ChevroletCavalier2.2LL4BI-FUELN/A
2003OldsmobileAlero2.2LL4N/A
2003PontiacGrand Am2.2LL4N/A
2003PontiacSunfireN/A
2003Saab9-32.0LL4N/A
2003SaturnIonN/A
2003SaturnL200N/A
2003SaturnLW200N/A
2003SaturnVue2.2LL4N/A
2002ChevroletCavalier2.2LL4N/A
2002OldsmobileAlero2.2LL4N/A
2002PontiacGrand Am2.2LL4N/A
2002PontiacSunfire2.2LL4N/A
2002SaturnL100N/A
2002SaturnL200N/A
2002SaturnLW200N/A
2002SaturnVue2.2LL4N/A
2001SaturnL100N/A
2001SaturnL200N/A
2001SaturnLW200N/A
2000SaturnLSN/A
2000SaturnLS1N/A
2000SaturnLW1N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

36193

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.