WAI 16428N Starter

Brand WAI 16428N
12 12
Design Permanent magnet gear reduction
Family Bosch
Power Rating 1.4
Starter Rotation Clockwise (right)
Tooth Quantity 11
Mounting Type Flange
Product line New
Fits Audi · 25 vehicles

100% new unit. Not remanufactured, with proprietary manufacturing for consistent performance.

Gear reduction design. Permanent magnet construction helps deliver strong cranking output.

Bosch-family fitment. Built for applications that require a 1.4 kW starter configuration.

Cross-references BBB Industries 16428, 0 001 172 402 and 0 001 172 403 for the same application. See all 14.

$189.04Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $189.04
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Free returns within 60 days if it doesn't fit when fitment is verified.

Starter for Audi Applications

The WAI 16428N starter is a new, non-remanufactured unit built for Audi applications that require Bosch-style fitment and 1.4 kW output. It uses a permanent magnet gear reduction design to deliver the cranking performance needed for modern charging and starting systems.

  • New starter, not remanufactured
  • Permanent magnet gear reduction design
  • 1.4 kW power rating
  • Clockwise rotation
  • Flange mounting type
  • 11-tooth drive configuration

Fitment and Application Details

Compatible with 2017-2020 Audi A4, 2017-2020 Audi A4 Quattro, 2017-2020 Audi A4 allroad, 2018-2020 Audi A5 Quattro, 2018-2020 Audi A5 Sportback, 2018-2020 Audi Q5, and 2021-2024 Audi Q5 PHEV. This part number, 16428N, cross-references BBB Industries 16428 for the same application.

WAI engineers these starters with proprietary components and manufacturing processes to support consistent output and long service life. The 16428N is built for drivers and technicians replacing a Bosch-family starter on Audi A4, Audi A5, and Audi Q5 platforms.

What It Helps Address

  • Slow or weak engine cranking
  • No-start conditions caused by starter failure
  • Intermittent starting performance
  • Starter replacement on Bosch-family applications
  • Restoring proper rotation and engagement

Installation Notes and Quality

Verify Bosch-family fitment, rotation, tooth count, mounting style, and electrical requirements before installation. Match the application notes for the exact Audi model and year range listed in the fitment data. WAI states this starter is 100% new and manufactured with proprietary processes for maximum life and performance.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2024AudiQ5 PHEVBosch 1.4 kW; New
2023AudiQ5 PHEVBosch 1.4 kW; New
2022AudiQ5 PHEVBosch 1.4 kW; New
2021AudiQ5 PHEVBosch 1.4 kW; New
2020AudiA4Bosch Unit
2020AudiA4 allroadBosch Unit
2020AudiA4 QuattroBosch Unit
2020AudiA5 QuattroBosch Unit
2020AudiA5 SportbackBosch Unit
2020AudiQ5Bosch Unit
2019AudiA4Bosch Unit
2019AudiA4 allroadBosch Unit
2019AudiA4 QuattroBosch Unit
2019AudiA5 QuattroBosch Unit
2019AudiA5 SportbackBosch Unit
2019AudiQ5Bosch Unit
2018AudiA4Bosch Unit
2018AudiA4 allroadBosch Unit
2018AudiA4 QuattroBosch Unit
2018AudiA5 QuattroBosch Unit
2018AudiA5 SportbackBosch Unit
2018AudiQ5Bosch Unit
2017AudiA4Bosch Unit
2017AudiA4 allroad—
2017AudiA4 QuattroBosch Unit
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 164280 001 172 4020 001 172 40306L-911-02106L-911-021-A06L-911-021-AX06L-911-021-B06L-911-021-BX06L-911-021-X06L-911-021A06L-911-021AX06L-911-021B06L-911-021BX06L-911-021X