Part #: 17842N

WAI 17842N Starter

⚙️ 23 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Scion and Toyota, Echo, xA, xB, and Yaris
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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.

BrandWAI
Part Number17842N
1212
DesignPermanent magnet gear reduction
FamilyDenso
Power Rating1.6
Starter RotationClockwise (right)
Tooth Quantity10
Mounting TypeFlange

This part fits 23 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2019ToyotaYaris1.5LL4N/A
2018ToyotaYarisAutomatic1.5LL4N/A1.6kW Rating
2017ToyotaYarisAutomatic1.5LL4N/A1.6kW Rating
2016ToyotaYarisAutomatic1.5LL4N/A1.6kW Rating
2015ToyotaYarisAutomaticN/A1.6kW Rating
2014ToyotaYarisAutomaticN/A1.6kW Rating
2013ToyotaYarisAutomaticN/A1.6kW Rating
2012ToyotaYarisAutomaticN/A1.6kW Rating
2011ToyotaYarisAutomaticN/A1.6kW Rating
2010ToyotaYarisAutomaticN/A1.6kW Rating
2009ToyotaYarisAutomaticN/A1.6kW Rating
2008ToyotaYarisAutomaticN/A1.6kW Rating
2007ToyotaYarisAutomaticN/A1.6kW Rating
2006ScionxAN/A
2006ScionxBN/A1.6kW Rating
2006ToyotaYarisAutomaticN/A1.6kW Rating
2005ScionxAN/A
2005ScionxBN/A1.6kW Rating
2005ToyotaEchoN/A1.6kW Rating
2004ScionxAN/A
2004ScionxBN/A1.6kW Rating
2004ToyotaEchoN/A1.6kW Rating
2003ToyotaEchoN/A1.6kW 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:

1784228100-2106028100-2106128100-2106228100-21062-8428100-21063428000-0024

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.