Walker
Single Coil

Walker 921-2438 Ignition Coil

Brand Walker 921-2438
Product line Single Coil
Fits Subaru · 10 vehicles

Single coil design. Provides a straightforward ignition coil replacement.

Ignition coil for dependable spark delivery.

$51.97Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $51.97
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Free returns within 60 days if it doesn't fit when fitment is verified.

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
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2019SubaruLegacy2.5LH4Single Coil
2019SubaruOutback2.5LH4Single Coil
2018SubaruLegacy2.5LH4Single Coil
2018SubaruOutback2.5LH4Single Coil
2017SubaruLegacy2.5LH4Single Coil
2017SubaruOutback2.5LH4Single Coil
2016SubaruLegacy2.5LH4Single Coil
2016SubaruOutback2.5LH4Single Coil
2015SubaruLegacy2.5LH4Single Coil
2015SubaruOutback2.5LH4Single Coil