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Dayco 89146 Accessory Drive Belt Tensioner Pulley - Alternator and Air Conditioning
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.
| Brand | Dayco |
| Part Number | 89146 |
| 21.7 | |
| 82 | |
| Bearing Inner Diameter 1 | 17 |
| Bearing Width | 12 |
| Belt Type | Serpentine |
| Flat | Y |
| Material | Polymer |
| Max Belt Width | 05 Rib |
| Number of Bearings | 1 |
This part fits 151 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Buick | Verano | FLEX | N/A | |||
| 2017 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2017 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2016 | Buick | Verano | 2.4L | L4 | FLEX | N/A | |
| 2016 | Buick | Verano | 2.0L | L4 | N/A | ||
| 2016 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2016 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2015 | Buick | Verano | 2.4L | L4 | N/A | ||
| 2015 | Buick | Verano | 2.0L | L4 | N/A | ||
| 2015 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2015 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2014 | Buick | Verano | 2.4L | L4 | N/A | ||
| 2014 | Buick | Verano | 2.0L | L4 | N/A | ||
| 2014 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2014 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2013 | Buick | Verano | 2.4L | L4 | N/A | ||
| 2013 | Buick | Verano | 2.0L | L4 | N/A | ||
| 2013 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2013 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2012 | Buick | Regal | 2.4L | L4 | FLEX | N/A | |
| 2012 | Buick | Verano | N/A | ||||
| 2012 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2012 | Chevrolet | Malibu | 2.4L | L4 | N/A | ||
| 2012 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2011 | Buick | LaCrosse | 2.4L | L4 | N/A | ||
| 2011 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2011 | Chevrolet | HHR | 2.2L | L4 | N/A | ||
| 2011 | Chevrolet | HHR | 2.4L | L4 | N/A | ||
| 2011 | Chevrolet | Malibu | 2.4L | L4 | N/A | ||
| 2011 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2011 | Saab | 9-3 | N/A | ||||
| 2011 | Saab | 9-3X | N/A | ||||
| 2011 | Saab | 9-5 | 2.0L | L4 | N/A | ||
| 2010 | Chevrolet | Cobalt | 2.2L | L4 | N/A | ||
| 2010 | Chevrolet | Cobalt | 2.0L | L4 | N/A | ||
| 2010 | Chevrolet | Equinox | 2.4L | L4 | N/A | ||
| 2010 | Chevrolet | HHR | 2.2L | L4 | N/A | ||
| 2010 | Chevrolet | HHR | 2.4L | L4 | N/A | ||
| 2010 | Chevrolet | Malibu | 2.4L | L4 | N/A | ||
| 2010 | GMC | Terrain | 2.4L | L4 | N/A | ||
| 2010 | Pontiac | G5 | N/A | ||||
| 2010 | Pontiac | G6 | 2.4L | L4 | N/A | ||
| 2010 | Saab | 9-3 | N/A | ||||
| 2010 | Saab | 9-3X | N/A | ||||
| 2010 | Saturn | Sky | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2010 | Saturn | Sky | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2010 | Saturn | Vue | 2.4L | L4 | N/A | ||
| 2009 | Chevrolet | Cobalt | 2.2L | L4 | N/A | ||
| 2009 | Chevrolet | Cobalt | 2.0L | L4 | N/A | ||
| 2009 | Chevrolet | HHR | 2.2L | L4 | N/A | ||
| 2009 | Chevrolet | HHR | 2.4L | L4 | N/A | ||
| 2009 | Chevrolet | Malibu | 2.4L | L4 | N/A | ||
| 2009 | Pontiac | G5 | N/A | ||||
| 2009 | Pontiac | G6 | 2.4L | L4 | N/A | ||
| 2009 | Pontiac | Solstice | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2009 | Pontiac | Solstice | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2009 | Saab | 9-3 | 2.0L | L4 | N/A | ||
| 2009 | Saturn | Aura | 2.4L | L4 | N/A | ||
| 2009 | Saturn | Sky | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2009 | Saturn | Sky | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2009 | Saturn | Vue | 2.4L | L4 | GAS | N/A | |
| 2008 | Chevrolet | Cobalt | 2.2L | L4 | N/A | ||
| 2008 | Chevrolet | Cobalt | 2.4L | L4 | N/A | ||
| 2008 | Chevrolet | Cobalt | 2.0L | L4 | N/A | ||
| 2008 | Chevrolet | HHR | 2.2L | L4 | N/A | ||
| 2008 | Chevrolet | HHR | 2.4L | L4 | N/A | ||
| 2008 | Chevrolet | Malibu | 2.2L | L4 | N/A | ||
| 2008 | Chevrolet | Malibu | 2.4L | L4 | N/A | ||
| 2008 | Pontiac | G5 | 2.2L | L4 | N/A | ||
| 2008 | Pontiac | G5 | 2.4L | L4 | N/A | ||
| 2008 | Pontiac | G6 | 2.4L | L4 | N/A | ||
| 2008 | Pontiac | Solstice | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2008 | Pontiac | Solstice | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2008 | Saab | 9-3 | 2.0L | L4 | N/A | ||
| 2008 | Saturn | Aura | 2.4L | L4 | N/A | ||
| 2008 | Saturn | Sky | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2008 | Saturn | Sky | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2008 | Saturn | Vue | 2.4L | L4 | GAS | N/A | |
| 2007 | Chevrolet | Cobalt | 2.2L | L4 | N/A | ||
| 2007 | Chevrolet | Cobalt | 2.4L | L4 | N/A | ||
| 2007 | Chevrolet | HHR | 2.2L | L4 | N/A | ||
| 2007 | Chevrolet | HHR | 2.4L | L4 | N/A | ||
| 2007 | Chevrolet | Malibu | 2.2L | L4 | N/A | ||
| 2007 | Pontiac | G5 | 2.2L | L4 | N/A | ||
| 2007 | Pontiac | G5 | 2.4L | L4 | N/A | ||
| 2007 | Pontiac | G6 | 2.4L | L4 | N/A | ||
| 2007 | Pontiac | Solstice | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2007 | Pontiac | Solstice | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2007 | Saab | 9-3 | 2.0L | L4 | N/A | ||
| 2007 | Saturn | Aura | 2.4L | L4 | N/A | ||
| 2007 | Saturn | Ion | 2.2L | L4 | N/A | ||
| 2007 | Saturn | Ion | 2.4L | L4 | N/A | ||
| 2007 | Saturn | Sky | 2.4L | L4 | Alternator and Air Conditioning | ||
| 2007 | Saturn | Sky | 2.0L | L4 | Alternator and Air Conditioning | ||
| 2007 | Saturn | Vue | 2.2L | L4 | N/A | ||
| 2006 | Chevrolet | Cobalt | 2.2L | L4 | N/A | ||
| 2006 | Chevrolet | Cobalt | 2.4L | L4 | N/A | ||
| 2006 | Chevrolet | HHR | 2.2L | L4 | N/A | ||
| 2006 | Chevrolet | HHR | 2.4L | L4 | N/A | ||
| 2006 | Chevrolet | Malibu | 2.2L | L4 | N/A | ||
| 2006 | Pontiac | G6 | 2.4L | L4 | N/A | ||
| 2006 | Pontiac | Pursuit | 2.2L | L4 | N/A | ||
| 2006 | Pontiac | Pursuit | 2.4L | L4 | N/A | ||
| 2006 | Pontiac | Solstice | Alternator and Air Conditioning | ||||
| 2006 | Saab | 9-3 | 2.0L | L4 | N/A | ||
| 2006 | Saturn | Ion | 2.2L | L4 | N/A | ||
| 2006 | Saturn | Ion | 2.4L | L4 | N/A | ||
| 2006 | Saturn | Vue | 2.2L | L4 | N/A | ||
| 2005 | Chevrolet | Cavalier | N/A | ||||
| 2005 | Chevrolet | Classic | N/A | ||||
| 2005 | Chevrolet | Cobalt | 2.2L | L4 | N/A | ||
| 2005 | Chevrolet | Malibu | 2.2L | L4 | N/A | ||
| 2005 | Pontiac | Grand Am | 2.2L | L4 | N/A | ||
| 2005 | Pontiac | Pursuit | N/A | ||||
| 2005 | Pontiac | Sunfire | N/A | ||||
| 2005 | Saab | 9-3 | N/A | ||||
| 2005 | Saturn | Ion | 2.2L | L4 | N/A | ||
| 2005 | Saturn | Vue | 2.2L | L4 | N/A | ||
| 2004 | Chevrolet | Cavalier | 2.2L | L4 | N/A | ||
| 2004 | Chevrolet | Classic | N/A | ||||
| 2004 | Chevrolet | Malibu | 2.2L | L4 | N/A | ||
| 2004 | Oldsmobile | Alero | 2.2L | L4 | N/A | ||
| 2004 | Pontiac | Grand Am | 2.2L | L4 | N/A | ||
| 2004 | Pontiac | Sunfire | N/A | ||||
| 2004 | Saab | 9-3 | N/A | ||||
| 2004 | Saturn | Ion | 2.2L | L4 | N/A | ||
| 2004 | Saturn | L300 | 2.2L | L4 | N/A | ||
| 2004 | Saturn | Vue | 2.2L | L4 | N/A | ||
| 2003 | Chevrolet | Cavalier | 2.2L | L4 | BI-FUEL | N/A | |
| 2003 | Oldsmobile | Alero | 2.2L | L4 | N/A | ||
| 2003 | Pontiac | Grand Am | 2.2L | L4 | N/A | ||
| 2003 | Pontiac | Sunfire | N/A | ||||
| 2003 | Saab | 9-3 | 2.0L | L4 | N/A | ||
| 2003 | Saturn | Ion | N/A | ||||
| 2003 | Saturn | L200 | N/A | ||||
| 2003 | Saturn | LW200 | N/A | ||||
| 2003 | Saturn | Vue | 2.2L | L4 | N/A | ||
| 2002 | Chevrolet | Cavalier | 2.2L | L4 | N/A | ||
| 2002 | Oldsmobile | Alero | 2.2L | L4 | N/A | ||
| 2002 | Pontiac | Grand Am | 2.2L | L4 | N/A | ||
| 2002 | Pontiac | Sunfire | 2.2L | L4 | N/A | ||
| 2002 | Saturn | L100 | N/A | ||||
| 2002 | Saturn | L200 | N/A | ||||
| 2002 | Saturn | LW200 | N/A | ||||
| 2002 | Saturn | Vue | 2.2L | L4 | N/A | ||
| 2001 | Saturn | L100 | N/A | ||||
| 2001 | Saturn | L200 | N/A | ||||
| 2001 | Saturn | LW200 | N/A | ||||
| 2000 | Saturn | LS | N/A | ||||
| 2000 | Saturn | LS1 | N/A | ||||
| 2000 | Saturn | LW1 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.