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Dayco 89837 Accessory Drive Belt Idler Assembly - Alternator
| Brand | Dayco 89837 |
|---|---|
| Position | Alternator |
| Material | Steel |
| 1068 | 75 |
| Groove Quantity | 5 |
| 256 | 23.5 |
| Belt Type | Serpentine |
| Bearing Inner Diameter 1 | 17 |
| Bearing Width | 17.5 |
| Flat | N |
| Max Belt Width | 05 rib |
| Number of Bearings | 1 |
| Fits | Cadillac · 10 vehicles |
Steel construction. Provides durable support for the accessory drive belt system.
Serpentine belt type. Built for smooth, reliable belt routing and operation.
Single-bearing design. Helps keep the belt system running with fewer moving parts.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Dayco 89837 Accessory Drive Belt Idler Assembly
The Dayco 89837 accessory drive belt idler assembly is built for serpentine belt routing on select Cadillac XLR applications. With a steel construction, 5-groove pulley design, and a single bearing, it is specified for accessory drive belt system service where stable belt tracking and consistent rotation are required.
Key Features
- Steel idler assembly for accessory drive belt system use
- 5-groove pulley profile for a 5-rib serpentine belt
- Single bearing design with 17 mm inner diameter and 17.5 mm bearing width
- Flat: N
- Max belt width: 05 rib
- Dayco part number 89837
Application Details
This Dayco 89837 idler assembly is listed for 2004-2009 Cadillac XLR and 2006-2009 Cadillac XLR, Alternator. It is a direct-fit accessory drive belt component for Cadillac XLR belt routing service, including alternator-related applications where the pulley and bearing assembly must maintain proper belt alignment.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Address
- Squealing or chirping from a worn accessory drive belt idler
- Belt tracking issues caused by pulley wear
- Rough or noisy bearing operation in the belt drive system
- Accessory drive belt routing problems on Cadillac XLR models
- Alternator belt drive service needs on 2006-2009 Cadillac XLR
Installation Notes
Verify pulley alignment, belt condition, and mounting surface condition before installation. Confirm the serpentine belt matches the 5-rib pulley specification and inspect adjacent belt drive components for wear while servicing the idler assembly. Use the vehicle fitment details to confirm the correct Cadillac XLR application before ordering.
Quality Assurance
Dayco manufactures accessory drive belt system components for automotive service applications, and this idler assembly is built to match the listed material and bearing specifications for the confirmed Cadillac XLR fitment. Part number 89837 should be matched to the vehicle year, model, and position shown above.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Cadillac | XLR | 4.6L | V8 | N/A | — |
| 2009 | Cadillac | XLR | 4.4L | V8 | Alternator | — |
| 2008 | Cadillac | XLR | 4.6L | V8 | N/A | — |
| 2008 | Cadillac | XLR | 4.4L | V8 | Alternator | — |
| 2007 | Cadillac | XLR | 4.6L | V8 | N/A | — |
| 2007 | Cadillac | XLR | 4.4L | V8 | Alternator | — |
| 2006 | Cadillac | XLR | 4.6L | V8 | N/A | — |
| 2006 | Cadillac | XLR | 4.4L | V8 | Alternator | — |
| 2005 | Cadillac | XLR | — | — | N/A | — |
| 2004 | Cadillac | XLR | — | — | N/A | — |
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