HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89168 Accessory Drive Belt Idler Pulley
Part #: 89168

Dayco 89168 Accessory Drive Belt Idler Pulley

50 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ram and Dodge, 2500, 3500, Ram 2500, and Ram 3500
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Overview of Dayco Accessory Drive Belt Idler Pulley 89168

The Dayco 89168 accessory drive belt idler pulley is engineered for reliable performance in Dodge Ram 2500 and Ram 3500 vehicles. Constructed from durable steel, this pulley supports serpentine belt systems with precision and longevity.

  • Material: Steel construction for strength and durability
  • Groove Quantity: 8 grooves to accommodate serpentine belts
  • Belt Type Compatibility: Designed specifically for serpentine belts
  • Bearing Inner Diameter: 17 mm for smooth rotation
  • Bearing Width: 14 mm ensuring stable belt alignment
  • Maximum Belt Width: Supports up to 8 rib belts
  • Number of Bearings: Single bearing design for efficient operation

Detailed Product Description

The Dayco 89168 idler pulley is a critical component in the accessory drive belt system of Dodge Ram 2500 and Ram 3500 trucks. Made from steel, it offers robust resistance to wear and heat, essential for maintaining belt tension and alignment. The pulley features 8 grooves, matching the serpentine belt profile used in these heavy-duty vehicles. Its single bearing with a 17 mm inner diameter and 14 mm width ensures smooth, low-friction rotation, reducing strain on the belt and other engine components. This pulley supports belts up to 8 ribs wide, making it compatible with the factory-installed serpentine belt systems on Ram 2500 and 3500 models.

Common Applications and Problem Solving

  • Maintains proper tension and alignment of serpentine belts in Dodge Ram 2500 and 3500
  • Prevents belt slippage and premature wear
  • Reduces noise caused by worn or damaged pulleys
  • Replaces faulty or seized idler pulleys to restore accessory drive function
  • Supports engine accessories such as alternator, power steering, and air conditioning

Installation Notes and Tips

  • Ensure compatibility with Dodge Ram 2500 or Ram 3500 models before installation
  • Inspect the serpentine belt for wear and replace if necessary during pulley installation
  • Use proper torque specifications to avoid over-tightening the pulley
  • Check pulley alignment to prevent belt mis-tracking and premature failure
  • Lubricate bearing if recommended by vehicle service manual

Quality Assurance and Warranty

Dayco manufactures the 89168 idler pulley to meet OEM standards for fit and function in Dodge Ram 2500 and Ram 3500 vehicles. The steel construction and precision bearing design contribute to long service life under demanding conditions. While specific warranty details may vary, Dayco products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dayco’s official warranty policy for exact terms.

BrandDayco
Part Number89168
37.5
119
Bearing Inner Diameter 117
Bearing Width14
Belt TypeSerpentine
Groove Quantity8
MaterialSteel
Max Belt Width08 Rib
Number of Bearings1

This part fits 50 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025Ram25006.7LL6N/A
2025Ram35006.7LL6N/A
2024Ram25006.7LL6N/A
2024Ram35006.7LL6N/A
2023Ram25006.7LL6N/A
2023Ram35006.7LL6N/A
2022Ram25006.7LL6N/A
2022Ram35006.7LL6N/A
2021Ram25006.7LL6N/A
2021Ram35006.7LL6N/A
2020Ram25006.7LL6N/A
2020Ram35006.7LL6N/A
2019Ram25006.7LL6N/A
2019Ram35006.7LL6N/A
2018Ram25006.7LL6N/A
2018Ram35006.7LL6N/A
2017Ram25006.7LL6N/A
2017Ram35006.7LL6N/A
2016Ram25006.7LL6N/A
2016Ram35006.7LL6N/A
2015Ram25006.7LL6N/A
2015Ram35006.7LL6N/A
2014Ram25006.7LL6N/A
2014Ram35006.7LL6N/A
2013Ram25006.7LL6N/A
2013Ram35006.7LL6N/A
2012Ram25006.7LL6N/A
2012Ram35006.7LL6N/A
2011Ram25006.7LL6N/A
2011Ram35006.7LL6N/A
2010DodgeRam 25006.7LL6N/A
2010DodgeRam 3500N/A
2009DodgeRam 25005.9LL6N/A
2009DodgeRam 25006.7LL6N/A
2009DodgeRam 35006.7LL6N/A
2008DodgeRam 25005.9LL6N/A
2008DodgeRam 25006.7LL6N/A
2008DodgeRam 35006.7LL6N/A
2007DodgeRam 25005.9LL6N/A
2007DodgeRam 25006.7LL6N/A
2007DodgeRam 35005.9LL6N/A
2007DodgeRam 35006.7LL6N/A
2006DodgeRam 25005.9LL6N/A
2006DodgeRam 35005.9LL6N/A
2005DodgeRam 25005.9LL6N/A
2005DodgeRam 35005.9LL6N/A
2004DodgeRam 25005.9LL6N/A
2004DodgeRam 35005.9LL6N/A
2003DodgeRam 25005.9LL6N/A
2003DodgeRam 35005.9LL6N/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:

36315

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