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Dayco 89174 Accessory Drive Belt Idler Pulley - Air Conditioning Bypass, Grooved Pulley or Right
Durable Steel Accessory Drive Belt Idler Pulley for Dodge, Jeep, and Ram
The Dayco 89174 accessory drive belt idler pulley is engineered to provide reliable performance for your Dodge Ram 2500, Ram 3500, and Jeep Wrangler vehicles. Designed with precision, this steel pulley supports serpentine belt systems, ensuring smooth operation and extended belt life.
Key Features of Dayco 89174 Idler Pulley
- Constructed from durable steel for long-lasting strength
- Compatible with serpentine belt systems featuring up to 6 ribs
- Six-groove design to maintain proper belt alignment
- Single bearing with a 17mm inner diameter and 14mm width for smooth rotation
- Supports maximum belt width of 6 ribs, ideal for heavy-duty applications
Detailed Product Description
The Dayco 89174 accessory drive belt idler pulley is built to meet the demands of heavy-duty vehicles such as the Dodge Ram 2500, Ram 3500, and Jeep Wrangler. Made from steel, this pulley offers enhanced durability and resistance to wear. Its six-groove design aligns with serpentine belts that have up to six ribs, ensuring consistent belt tracking and reducing slippage. The pulley incorporates a single bearing with a 17mm inner diameter and 14mm width, providing smooth and reliable rotation under various engine loads. This component is essential for maintaining proper tension and routing of the accessory drive belt system in your vehicle.
Common Applications and Issues Addressed
- Replacement for worn or damaged idler pulleys in Dodge Ram 2500 and 3500 models
- Restores proper serpentine belt alignment in Jeep Wrangler vehicles
- Eliminates belt noise caused by pulley bearing wear
- Prevents premature belt wear due to misalignment or pulley failure
- Supports accessory drive system performance under heavy load conditions
Installation Notes and Tips
When installing the Dayco 89174 idler pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Verify that the pulley grooves align precisely with the belt ribs to prevent slippage. Use appropriate tools to remove the old pulley and avoid damaging the belt or surrounding components. Inspect the belt for wear and replace if necessary during installation.
Quality Assurance and Warranty
Dayco manufactures the 89174 idler pulley to meet OEM specifications, ensuring compatibility and durability for Dodge, Jeep, and Ram vehicles. The steel construction and precision bearing design contribute to reliable performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support long-term use.
| Brand | Dayco |
| Part Number | 89174 |
| Material | Steel |
| 1068 | 90 |
| Groove Quantity | 6 |
| 256 | 30 |
| Belt Type | Serpentine |
| Bearing Inner Diameter 1 | 17 |
| Bearing Width | 14 |
| Flat | N |
| Max Belt Width | 06 rib |
| Number of Bearings | 1 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Jeep | Wrangler | 3.6L | V6 | Right | Smooth | |
| 2024 | Jeep | Wrangler | 3.6L | V6 | Right | Smooth | |
| 2023 | Jeep | Wrangler | 3.6L | V6 | GAS | Right | Smooth |
| 2022 | Jeep | Wrangler | 3.6L | V6 | GAS | Right | Smooth |
| 2021 | Jeep | Wrangler | 3.6L | V6 | GAS | Right | Smooth |
| 2020 | Jeep | Wrangler | 3.6L | V6 | GAS | Right | Smooth |
| 2012 | Ram | 3500 | 5.7L | V8 | Grooved Pulley | ||
| 2011 | Jeep | Wrangler | N/A | Fits vehicles without air conditioning. | |||
| 2011 | Ram | 3500 | 5.7L | V8 | Grooved Pulley | ||
| 2010 | Jeep | Wrangler | N/A | Fits vehicles without air conditioning. | |||
| 2009 | Dodge | Ram 2500 | 5.7L | V8 | Air Conditioning Bypass | Fits vehicles without air conditioning. | |
| 2009 | Dodge | Ram 3500 | 5.7L | V8 | Air Conditioning Bypass | Fits vehicles without air conditioning. | |
| 2009 | Jeep | Wrangler | N/A | Fits vehicles without air conditioning. | |||
| 2008 | Jeep | Wrangler | N/A | Fits vehicles without air conditioning. | |||
| 2007 | Jeep | Wrangler | N/A | Fits vehicles without air conditioning. |
* 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.