Genuine Nissan Smooth Idler Pulley – 350Z HR / 370Z From Oct 2013 – 11925-JK21A
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Genuine Nissan · 11925-JK21A
Smooth idler pulley · 1 supplied
350Z HR 2007–2008 · 370Z from 10/2013
Description
Genuine Nissan 11925-JK21A is a smooth idler pulley that guides the accessory drive belt. Its smooth face runs against the back of the belt and helps keep the belt running on its correct path.
A worn pulley bearing may squeal, feel rough when turned by hand or develop play. Replace the pulley if inspection confirms wear, particularly when servicing a noisy or damaged drive belt.
Fitment
- 350Z 2007–2008 — VQ35HR engine.
- 370Z built from October 2013 — VQ37VHR engine. Confirm the build date or VIN.
Earlier 370Zs may require smooth pulley 11925-EY00A. This part does not suit the 350Z DE or RevUp.
Product Details
| Manufacturer | Nissan |
|---|---|
| Part number | 11925-JK21A |
| Part | Accessory-belt idler pulley |
| Pulley face | Smooth |
| Quantity supplied | 1 pulley |
Please Check Before Ordering
Match the original part number and smooth pulley face. For a 370Z, confirm the October 2013 production change by VIN; registration year alone may not identify the correct pulley.
Related Parts
Also inspect the drive belt and the genuine Nissan grooved idler pulley, 11925-JK20D. Replace them if worn or damaged.
