OE Quality
60-Day Returns

Dorman 594-350 Engine Harmonic Balancer
Overview of Dorman Engine Harmonic Balancer 594-350
The Dorman 594-350 engine harmonic balancer is designed for reliable performance in select Lexus and Toyota vehicles. This component helps reduce engine vibration and maintain smooth operation in models such as the Lexus GS300 and Toyota Tacoma.
- Grade Type: Regular
- Mounting Hole Quantity: 1
- Drive Belt Type: Serpentine
- Bolt and Washer Included
- Color/Finish: Black
- Degree Markings for precise alignment
- Package Contents: Balancer, instruction sheet, woodruff key
Detailed Product Description
The Dorman 594-350 engine harmonic balancer is engineered to meet the specifications required for proper engine balance and vibration dampening. Featuring a single mounting hole and designed for serpentine drive belts, this balancer is finished in black for corrosion resistance and durability. The included degree markings assist with accurate installation and timing alignment. This part comes complete with a bolt, washer, woodruff key, and an instruction sheet to facilitate proper setup.
Compatible with Lexus and Toyota models including the 4Runner, FJ Cruiser, GS300, IS250, Tacoma, and Tundra, the 594-350 harmonic balancer supports engine longevity and smooth operation by minimizing torsional vibrations.
Common Applications and Issues Addressed
- Reduces engine vibration and noise
- Prevents premature wear on crankshaft and accessories
- Maintains proper timing and belt alignment
- Eliminates crankshaft pulley wobble
- Supports serpentine belt drive system stability
Installation Notes and Tips
- Ensure the engine is cool before installation
- Use the included bolt and washer for secure mounting
- Align degree markings carefully for accurate timing
- Verify serpentine belt routing after installation
- Consult the instruction sheet for step-by-step guidance
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards. The 594-350 harmonic balancer undergoes quality checks to ensure fit and function for Lexus and Toyota applications. This product includes a limited warranty covering defects in material and workmanship, providing confidence in its durability and performance.
| Brand | Dorman |
| Part Number | 594-350 |
| Bolt And Washer Included | Yes |
| Color/Finish | Black |
| Degree Markings | Yes |
| Drive Belt Type | Serpentine |
| Grade Type | Regular |
| Mounting Hole Quantity | 1 |
| Package Contents | Balancer; Instruction Sheet; Woodruff Key |
This part fits 62 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2023 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2022 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2021 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2020 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2019 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2018 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2017 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2016 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2015 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2015 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2015 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2014 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2014 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2014 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2014 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2014 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2013 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2013 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2013 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2013 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2013 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2012 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2012 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2012 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2012 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2012 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2011 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2011 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2011 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2011 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2011 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2010 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2010 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2010 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2010 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2010 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2009 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2009 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2009 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2009 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2009 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2008 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2008 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2008 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2008 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2008 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2007 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2007 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2007 | Toyota | FJ Cruiser | 4.0L | V6 | N/A | |
| 2007 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2007 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2006 | Lexus | GS300 | 3.0L | V6 | N/A | |
| 2006 | Lexus | IS250 | 2.5L | V6 | N/A | |
| 2006 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2006 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2006 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2005 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2005 | Toyota | Tacoma | 4.0L | V6 | N/A | |
| 2005 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2004 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2003 | Toyota | 4Runner | 4.0L | V6 | N/A |
* 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.