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Product Details
The Honda OEM Idler Pulley is a genuine factory replacement designed for the 2002-2011 Honda Civic Si equipped with the K20 engine. This pulley is an essential component of the engine's accessory drive belt system, helping maintain proper belt routing and smooth operation of engine-driven accessories.
The idler pulley features an integrated bearing that allows it to rotate smoothly as the serpentine belt travels around the accessory drive system. A properly functioning pulley helps minimize belt vibration, unwanted noise, and premature belt wear.
Over time, the pulley bearing can deteriorate due to heat, mileage, and normal wear. A failing idler pulley may produce squealing, chirping, grinding, or rattling noises from the engine bay. Excessive bearing wear can also contribute to belt misalignment or accessory belt failure.
Manufactured to Honda's original equipment specifications, this idler pulley provides factory-quality fitment and dependable performance. It is an excellent replacement during routine maintenance, accessory belt repairs, or K-Series engine rebuilds.
Features
- Genuine Honda OEM Part: Manufactured to Honda's original factory specifications.
- Smooth Belt Operation: Helps guide the serpentine belt through the accessory drive system.
- Integrated Bearing: Provides smooth pulley rotation and reduces unwanted friction.
- Factory Belt Alignment: Maintains proper belt routing on compatible engines.
- Durable Construction: Designed to withstand normal engine operating temperatures and continuous rotation.
- Direct Factory Replacement: Installs in the original mounting location without modification.
- K-Series Compatibility: Designed for select Honda K20 engine applications.
- OEM Part Number: 31190-RRA-A00.
Additional Information
- Manufacturer: Honda
- Part Number: 31190-RRA-A00
- OEM Description: Pulley, Idle
- Product Type: Accessory Drive Belt Idler Pulley
- Replaces: 31190-PRA-000
- Compatible Engines: K20A3 / K20Z3
- Installation Location: Engine Accessory Drive Belt System
- Quantity: Sold Individually (1 Pulley)
Installation Notes
- Before installation, inspect the serpentine belt, automatic belt tensioner, and surrounding accessory pulleys for excessive wear or damage.
- Remove the original idler pulley and inspect the mounting hardware and mounting surface. Install the replacement using Honda's factory service manual procedures and specified tightening torque.
- After installation, verify that the serpentine belt is properly routed and seated on all pulleys. Start the engine and inspect the accessory drive system for unusual noises, vibration, or belt tracking issues.
Note:
- Includes one genuine Honda idler pulley. The serpentine belt, belt tensioner, and mounting hardware are sold separately unless otherwise specified.
For K-Series engine swaps or custom accessory drive setups, confirm pulley compatibility with your specific belt routing and accessory configuration before ordering.
| Part Number: | 31190-RRA-A00 |
| Brand: | Honda |
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 2002 | Honda | Civic | Si |
| 2003 | Honda | Civic | Si |
| 2004 | Honda | Civic | Si |
| 2005 | Honda | Civic | Si |
| 2006 | Honda | Civic | Si |
| 2007 | Honda | Civic | Si |
| 2008 | Honda | Civic | MUGEN Si |
| 2008 | Honda | Civic | Si |
| 2009 | Acura | TSX | Base |
| 2009 | Honda | Civic | Si |
| 2010 | Honda | Civic | Si |
| 2011 | Honda | Civic | Si |
2 Reviews ★★★★★
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Jose Rodriguez | July 18th, 2024
Good equality
Tony | May 5th, 2022
No issues/easy install.
