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WAI 17842N Starter
Reliable Starter for Toyota and Scion Vehicles
The WAI 17842N starter is designed to provide dependable engine starting performance for select Toyota and Scion models. Featuring a permanent magnet gear reduction design, this starter ensures efficient power delivery and smooth operation for your vehicle.
- Permanent magnet gear reduction design for improved efficiency
- Power rating of 1.6 kW for consistent starting power
- Clockwise (right) starter rotation compatible with specific engine configurations
- 10-tooth pinion gear for precise engagement
- Flange mounting type for secure installation
- Compatible with Toyota Echo, xA, xB, Yaris and Scion models
Technical Details and Design Features
The WAI 17842N starter utilizes a permanent magnet gear reduction system, which reduces the overall size and weight of the starter while maintaining strong torque output. This design helps improve starting efficiency and reduces strain on the vehicle’s electrical system. With a power rating of 1.6 kW, this starter delivers reliable cranking power to start engines quickly. The clockwise (right) rotation and 10-tooth pinion gear are engineered to match the specifications of the Denso starter family, ensuring compatibility and proper engagement with the flywheel. The flange mounting type provides a secure and stable attachment to the engine block, minimizing vibration and wear.
Compatible Vehicles and Applications
This starter is specifically compatible with several Toyota and Scion models, including the Toyota Echo, xA, xB, Yaris, and various Scion vehicles. It is designed to replace original equipment starters with matching specifications, making it suitable for owners seeking a direct replacement part. The WAI 17842N starter is ideal for addressing common starting issues in these vehicles.
- Resolves slow or no-crank conditions
- Eliminates intermittent starting failures
- Replaces worn or damaged starter components
- Improves cold-weather starting reliability
- Addresses starter gear engagement problems
Installation Notes and Tips
When installing the WAI 17842N starter, ensure the mounting flange aligns correctly with the engine block. Verify the starter rotation is clockwise (right) to match the engine’s requirements. Check the 10-tooth pinion gear for proper engagement with the flywheel teeth. It is recommended to inspect the battery and electrical connections to ensure optimal starter performance. Professional installation is advised to maintain vehicle safety and functionality.
Quality Assurance and Warranty
WAI starters are manufactured to meet industry standards for durability and performance. The 17842N starter is built to provide consistent operation under normal driving conditions. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.
| Brand | WAI |
| Part Number | 17842N |
| 12 | 12 |
| Design | Permanent magnet gear reduction |
| Family | Denso |
| Power Rating | 1.6 |
| Starter Rotation | Clockwise (right) |
| Tooth Quantity | 10 |
| Mounting Type | Flange |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Toyota | Yaris | 1.5L | L4 | N/A | ||
| 2018 | Toyota | Yaris | Automatic | 1.5L | L4 | N/A | 1.6kW Rating |
| 2017 | Toyota | Yaris | Automatic | 1.5L | L4 | N/A | 1.6kW Rating |
| 2016 | Toyota | Yaris | Automatic | 1.5L | L4 | N/A | 1.6kW Rating |
| 2015 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2014 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2013 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2012 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2011 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2010 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2009 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2008 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2007 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2006 | Scion | xA | N/A | ||||
| 2006 | Scion | xB | N/A | 1.6kW Rating | |||
| 2006 | Toyota | Yaris | Automatic | N/A | 1.6kW Rating | ||
| 2005 | Scion | xA | N/A | ||||
| 2005 | Scion | xB | N/A | 1.6kW Rating | |||
| 2005 | Toyota | Echo | N/A | 1.6kW Rating | |||
| 2004 | Scion | xA | N/A | ||||
| 2004 | Scion | xB | N/A | 1.6kW Rating | |||
| 2004 | Toyota | Echo | N/A | 1.6kW Rating | |||
| 2003 | Toyota | Echo | N/A | 1.6kW Rating |
* 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.