HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89837 Accessory Drive Belt Idler Assembly - Alternator
Part #: 89837

Dayco 89837 Accessory Drive Belt Idler Assembly - Alternator

Alternator
10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, XLR
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Overview of Dayco Accessory Drive Belt Idler Assembly 89837

The Dayco accessory drive belt idler assembly 89837 is engineered for reliable performance in Cadillac XLR vehicles. Constructed from durable steel, this serpentine belt idler assembly is designed to maintain proper tension and alignment of the accessory drive belt system.

  • Material: Steel construction for strength and durability
  • Groove Quantity: 5 grooves to accommodate serpentine belts
  • Belt Type: Compatible with serpentine belts
  • Bearing Inner Diameter: 17 mm for precise fitment
  • Bearing Width: 17.5 mm ensuring smooth rotation
  • Max Belt Width: Supports 5 rib belts
  • Number of Bearings: Single bearing design for efficient operation

Detailed Product Description

The Dayco 89837 accessory drive belt idler assembly is specifically designed for the Cadillac XLR, providing a critical role in the vehicle’s belt drive system. Made from steel, this idler assembly features five grooves that match the serpentine belt profile, ensuring consistent belt tracking and tension. The single bearing with a 17 mm inner diameter and 17.5 mm width supports smooth and reliable rotation, reducing wear on the belt and other components. This assembly accommodates belts up to 5 ribs wide, making it suitable for the accessory drive systems found in the Cadillac XLR.

Applications and Problem Solving

  • Maintains proper tension in the serpentine belt system
  • Prevents belt slippage and misalignment
  • Reduces noise caused by worn or damaged idler pulleys
  • Supports smooth operation of engine accessories such as alternator and power steering
  • Replaces worn or damaged idler assemblies in Cadillac XLR models

Installation Notes and Tips

When installing the Dayco 89837 idler assembly, ensure the serpentine belt is properly routed according to the Cadillac XLR service manual. Verify the bearing rotates smoothly before installation. Use appropriate tools to avoid damage to the assembly or belt. Regular inspection of the belt and idler assembly is recommended to maintain optimal performance.

Quality Assurance

Dayco manufactures this accessory drive belt idler assembly to meet OEM specifications for the Cadillac XLR. The steel construction and precision bearing design contribute to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability.

BrandDayco
Part Number89837
MaterialSteel
106875
Groove Quantity5
25623.5
Belt TypeSerpentine
Bearing Inner Diameter 117
Bearing Width17.5
FlatN
Max Belt Width05 rib
Number of Bearings1

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009CadillacXLR4.6LV8N/A
2009CadillacXLR4.4LV8Alternator
2008CadillacXLR4.6LV8N/A
2008CadillacXLR4.4LV8Alternator
2007CadillacXLR4.6LV8N/A
2007CadillacXLR4.4LV8Alternator
2006CadillacXLR4.6LV8N/A
2006CadillacXLR4.4LV8Alternator
2005CadillacXLRN/A
2004CadillacXLRN/A

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