OE Quality
60-Day Returns

INA ZG-9-5621 Engine Timing Chain Guide - Right Lower
Engine Timing Chain Guide for Toyota Applications
INA ZG-9-5621 is an engine timing chain guide built for select Toyota V6 applications that use a right lower guide position. It is made to meet or exceed OE quality and performance expectations, with plastic material formulated to match OEM PA66 and PA46 grade requirements for hardness.
- Engine timing chain guide for the right lower position
- OE-quality replacement from INA
- Plastic material matched to OEM PA66 and PA46 grade standards
- Direct fit for select Toyota Tacoma, Tundra, 4Runner, and FJ Cruiser applications
- Part number: ZG-9-5621
Detailed Product Information
This INA timing chain guide is designed for engine valve train service where the chain guide must maintain proper chain routing and control. It is a fitment-specific component for Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota FJ Cruiser models in the right lower position. The ZG-9-5621 reference also helps confirm the correct application during parts lookup and service matching.
This part cross-references Monroe Shocks & Struts (e.g., 5550188100) for the same application.
Common Repair Uses
- Replacing a worn or damaged timing chain guide
- Addressing timing chain noise from guide wear
- Restoring proper chain tracking in the valve train
- Repairing engine timing service issues on Toyota Tacoma, Tundra, 4Runner, or FJ Cruiser
Installation Notes
Fits 2005-2015 Toyota Tacoma, right lower. Fits 2005-2010 Toyota Tundra, right lower. Fits 2003-2009 Toyota 4Runner, right lower. Fits 2007-2009 Toyota FJ Cruiser, right lower. Confirm engine configuration and guide position before installation, and compare the old part to ZG-9-5621 to verify match.
Quality Assurance
INA states this timing chain guide is engineered to meet or exceed OE quality and performance, with plastic material matched to OEM PA66 and PA46 grade requirements for material hardness.
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2014 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2013 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2012 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2011 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2010 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2010 | Toyota | Tundra | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2009 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2009 | Toyota | FJ Cruiser | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2009 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2009 | Toyota | Tundra | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2008 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2008 | Toyota | FJ Cruiser | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2008 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2008 | Toyota | Tundra | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2007 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2007 | Toyota | FJ Cruiser | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2007 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2007 | Toyota | Tundra | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2006 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2006 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2006 | Toyota | Tundra | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2005 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2005 | Toyota | Tacoma | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2005 | Toyota | Tundra | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2004 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
| 2003 | Toyota | 4Runner | 4.0L | V6 | Right Lower | INA Global Number 555 0188 100 |
* 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.