Part #: 17840N

WAI 17840N Starter

⚙️ 40 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: Saab and Subaru, 9-2X, B9 Tribeca, Forester, Impreza, Legacy, and Outback
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Reliable Starter for Saab and Subaru Vehicles

The WAI 17840N starter is engineered to provide dependable starting performance for select Saab and Subaru models. Featuring a permanent magnet gear reduction design, this starter ensures efficient power delivery and durability for your vehicle's electrical system.

  • 12-volt electrical system compatibility
  • Permanent magnet gear reduction design for improved efficiency
  • 1.4 power rating suitable for reliable engine starts
  • Counterclockwise (left) starter rotation
  • 9-tooth pinion gear for precise engagement
  • Flange mounting type for secure installation
  • Compatible with Mitsubishi starter family components

Technical Details and Design Features

The WAI 17840N starter incorporates a permanent magnet gear reduction mechanism, which reduces the load on the electrical system while delivering consistent torque. Its 12-volt design aligns with standard automotive electrical systems, and the 1.4 power rating supports efficient engine cranking. The starter rotates counterclockwise (left), matching the specifications required by certain Saab and Subaru engines. With a 9-tooth pinion gear and flange mounting type, this starter ensures proper fit and reliable engagement with the flywheel.

Compatible Vehicles and Applications

This starter is compatible with a range of Saab and Subaru models, including the Saab 9-2X and Subaru B9 Tribeca, Forester, Impreza, Legacy, and Outback. It is designed to meet the specific starting requirements of these vehicles, making it a suitable replacement part for maintenance or repair.

  • Resolves slow or no-start conditions in Saab 9-2X and Subaru Forester
  • Addresses starter motor failure in Subaru Impreza and Legacy
  • Eliminates grinding or unusual noises during engine start
  • Improves starting reliability in Subaru Outback and B9 Tribeca
  • Replaces worn or damaged starter components in compatible models

Installation Notes and Tips

When installing the WAI 17840N starter, ensure the vehicle's battery is fully charged and disconnected to prevent electrical hazards. Verify the counterclockwise rotation matches the engine requirements. The flange mounting type requires proper alignment and secure fastening to avoid starter misalignment or damage. Consult the vehicle's service manual for torque specifications and installation procedures specific to Saab and Subaru models.

Quality Assurance and Warranty

WAI starters are manufactured to meet industry standards for durability and performance. The 17840N part number undergoes rigorous quality control to ensure reliable operation. While specific warranty details are not provided here, WAI products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.

BrandWAI
Part Number17840N
1212
DesignPermanent magnet gear reduction
FamilyMitsubishi
Power Rating1.4
Starter RotationCounterclockwise (left)
Tooth Quantity9
Mounting TypeFlange

This part fits 40 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersPositionNotes
2019SubaruLegacy3.6LH6N/A
2019SubaruOutback3.6LH6N/A
2018SubaruForester2.0LH4N/A
2018SubaruLegacy3.6LH6N/A
2018SubaruOutback3.6LH6N/A
2017SubaruForester2.0LH4N/A
2017SubaruLegacy3.6LH6N/A
2017SubaruOutback3.6LH6N/A
2016SubaruForester2.0LH4N/A
2015SubaruForester2.0LH4N/A
2014SubaruForester2.0LH4N/A
2013SubaruForesterAutomatic2.5LH4N/A
2012SubaruForesterAutomatic2.5LH4N/A
2011SubaruForesterAutomatic2.5LH4N/A
2011SubaruImprezaOutback SportAutomatic2.5LH4N/A
2010SubaruForesterAutomaticN/A
2010SubaruImprezaAutomatic2.5LH4N/A
2009SubaruForesterAutomaticN/A
2009SubaruImprezaAutomatic2.5LH4N/A
2008SubaruForesterAutomaticN/A
2008SubaruImprezaAutomatic2.5LH4N/A
2007SubaruB9 TribecaN/A
2007SubaruForesterAutomaticN/AMitsubishi PMGR
2007SubaruImprezaAutomaticN/AMitsubishi PMGR
2007SubaruLegacyAutomaticN/A
2007SubaruOutbackAutomatic2.5LH4N/A
2006Saab9-2XAutomaticN/AMitsubishi PMGR
2006SubaruB9 TribecaN/A
2006SubaruForesterAutomaticN/AMitsubishi PMGR
2006SubaruImprezaAutomaticN/AMitsubishi PMGR
2006SubaruLegacyAutomaticN/A
2006SubaruOutbackAutomatic2.5LH4N/A
2005Saab9-2XAutomatic2.5LH4N/AMitsubishi PMGR
2005SubaruForesterAutomaticN/AMitsubishi PMGR
2005SubaruImprezaAutomatic2.5LH4N/AMitsubishi PMGR
2005SubaruLegacyAutomaticN/A
2005SubaruOutbackAutomatic2.5LH4N/A
2004SubaruForesterAutomaticN/AMitsubishi PMGR
2004SubaruImprezaAutomatic2.5LH4N/AMitsubishi PMGR
2003SubaruForesterAutomaticN/AMitsubishi PMGR

* 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:

17840179551929223300-AA46023300-AA49A23300-AA57023300-AA57223300-AA57323300-AA86032-00-6007428000-2290428000-2291M000T20171M000T20175M000T20176M000T20176ZCM0T20176

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