HomeIgnition > Ignition CoilWalker 921-2438 Ignition Coil
Part #: 921-2438

Walker 921-2438 Ignition Coil

Single Coil
10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$59.97Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Single Coil
Fitment: Subaru, Legacy and Outback
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Walker Single Coil Ignition Coil 921-2438

Walker 921-2438 is a single ignition coil for direct replacement on select Subaru applications. It is built for 2015-2019 Subaru Legacy and 2015-2019 Subaru Outback models with single coil fitment.

Key Features

  • Ignition coil for Subaru Legacy and Subaru Outback applications
  • Single Coil product line from Walker
  • Direct fit for 2015-2019 model years listed in the fitment data
  • Part number 921-2438 for accurate ordering and lookup

Detailed Description

Walker 921-2438 is an ignition coil designed for vehicles that use a single coil configuration. It serves as a replacement ignition component for 2015-2019 Subaru Legacy and 2015-2019 Subaru Outback models, helping restore proper spark delivery when the original coil is worn or failing. The Walker Single Coil line focuses on application-specific ignition replacement, and this part number 921-2438 is the reference to use when matching the correct coil for these Subaru vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

  • Engine misfire caused by a weak ignition coil
  • Hard starting related to inconsistent spark output
  • Rough idle from ignition breakdown
  • Loss of acceleration response tied to coil failure
  • Check engine light conditions associated with ignition faults

Installation Notes and Tips

Verify the vehicle’s ignition system layout before ordering. Confirm the part number 921-2438 against the existing coil and match the application to 2015-2019 Subaru Legacy or 2015-2019 Subaru Outback with single coil fitment. Inspect related ignition components during replacement and clear diagnostic trouble codes after installation if required.

Quality Assurance

Walker is a recognized aftermarket brand for exhaust and ignition replacement parts, and the Single Coil line is organized for application-specific fitment. Use the listed vehicle data to confirm the correct Subaru Legacy or Subaru Outback application before installation.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019SubaruLegacy2.5LH4N/ASingle Coil
2019SubaruOutback2.5LH4N/ASingle Coil
2018SubaruLegacy2.5LH4N/ASingle Coil
2018SubaruOutback2.5LH4N/ASingle Coil
2017SubaruLegacy2.5LH4N/ASingle Coil
2017SubaruOutback2.5LH4N/ASingle Coil
2016SubaruLegacy2.5LH4N/ASingle Coil
2016SubaruOutback2.5LH4N/ASingle Coil
2015SubaruLegacy2.5LH4N/ASingle Coil
2015SubaruOutback2.5LH4N/ASingle Coil

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.