WAI 17842N Starter

Brand WAI 17842N
12 12
Design Permanent magnet gear reduction
Family Denso
Power Rating 1.6
Starter Rotation Clockwise (right)
Tooth Quantity 10
Mounting Type Flange
Fits Scion and Toyota · 23 vehicles

100% new unit. Not remanufactured, with proprietary components and processes.

Permanent magnet gear reduction. Delivers efficient starting power in a compact starter design.

Flange mount design. A straightforward starter configuration for secure installation.

Cross-references BBB Industries 17842, 28100-21060 and 28100-21061 for the same application. See all 7.

$122.94Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $122.94
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Starter for Toyota Yaris, Scion xA, xB, Echo

The WAI 17842N starter is a 12-volt, permanent magnet gear reduction unit built for vehicles that need reliable cranking performance. It is a 100% new starter with a DENSO family design, 1.6 kW power rating, clockwise rotation, and a 10-tooth flange mount configuration.

Key Features

  • 12-volt starter for everyday starting performance
  • Permanent magnet gear reduction design for efficient cranking
  • DENSO family application with flange mounting
  • 1.6 kW power rating for Toyota and Scion applications
  • Clockwise (right) starter rotation
  • 10-tooth drive configuration
  • 100% new construction, not remanufactured

Detailed Description

WAI Part Number 17842N is engineered for direct replacement use in select Toyota Yaris, Scion xA, Scion xB, and Toyota Echo applications. This starter follows the DENSO family layout and uses a permanent magnet gear reduction design to deliver the amp output needed for modern starting systems. The flange mount, clockwise rotation, and 10-tooth specification help match the original starting configuration on covered vehicles. This part cross-references BBB Industries 17842 for the same application.

Vehicle Fitment

  • Fits 2019 Toyota Yaris, N/A
  • Fits 2006-2018 Toyota Yaris, N/A, 1.6kW Rating
  • Fits 2004-2006 Scion xA, N/A
  • Fits 2004-2006 Scion xB, N/A, 1.6kW Rating
  • Fits 2003-2005 Toyota Echo, N/A, 1.6kW Rating

Common Starting Issues It May Address

  • Engine no-crank condition
  • Slow or weak cranking during startup
  • Intermittent starter engagement
  • Starter failure from worn internal components
  • Starting problems related to incorrect rotation or tooth count

Installation Notes and Tips

Verify the vehicle’s original starter specifications before installation, including 12-volt system voltage, clockwise rotation, 10-tooth drive, flange mount style, and 1.6 kW rating where applicable. Confirm fitment by year, make, and model for Toyota Yaris, Scion xA, Scion xB, and Toyota Echo applications. Inspect battery condition, cable connections, and charging system output before replacing the starter to avoid repeat starting issues.

Quality Assurance

WAI states that this starter is built as a new unit using proprietary components and manufacturing processes to support long service life and consistent performance.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 1784228100-2106028100-2106128100-2106228100-21062-8428100-21063428000-0024