Walker 921-2306 Ignition Coil

Walker 921-2306 Ignition Coil Overview

Walker 921-2306 is a single ignition coil for direct replacement on select Subaru, Toyota, and Scion applications. It is built for vehicles that use one coil per cylinder, including Subaru WRX, Subaru BRZ, Toyota 86, Subaru Forester, and Scion FR-S fitments.

Key Features

• Single coil ignition coil for direct-fit replacement applications
• Compatible with 2015-2021 Subaru WRX, single coil
• Compatible with 2013-2020 Subaru BRZ, single coil
• Compatible with 2017-2020 Toyota 86, single coil
• Compatible with 2017-2018 Subaru Forester, single coil
• Compatible with 2014-2016 Scion FR-S, single coil
• Walker part number 921-2306 for catalog and service matching

Detailed Description

Walker 921-2306 is an ignition coil replacement for vehicles using a single-coil setup at each cylinder. It is a practical choice for Subaru WRX ignition coil replacement, Subaru BRZ ignition coil service, and Toyota 86 ignition coil applications where restoring spark output is the goal. The Walker Single Coil line identifies this as a coil-only ignition component for the listed fitments, and part number 921-2306 helps simplify lookup during maintenance or repair.

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

What It Is Used For

• Replacing a failed ignition coil on a Subaru WRX, BRZ, Forester, Toyota 86, or Scion FR-S
• Addressing engine misfire conditions tied to weak or inconsistent spark
• Restoring ignition performance after coil degradation or electrical failure
• Supporting smoother starting and more stable engine operation
• Resolving diagnostic trouble codes related to ignition coil circuit faults

Installation Notes and Tips

Verify the vehicle year, make, model, and single-coil configuration before ordering. Confirm the connector style and cylinder location against the original part, and inspect spark plugs and related ignition components during service. Use the vehicle service manual for torque and diagnostic procedures.

Quality Assurance

Walker ignition components are cataloged for specific vehicle applications to support accurate replacement selection. Confirm fitment with the listed model years and engine configuration before installation.