Beck Arnley 178-8600 Direct Ignition Coil

Direct Ignition Coil for Subaru Applications

Beck Arnley 178-8600 is a direct ignition coil built for OE-style replacement on select Subaru models. It is designed around proper form, fit, and function for foreign nameplate applications, with a 3-terminal male connector for the specified vehicles.

• Direct ignition coil for OE replacement service
• 3-terminal male electrical connection
• Mounting hardware not included
• Built for select Subaru WRX, Ascent, Legacy, and Outback applications
• Beck Arnley part number 178-8600

OE-Style Replacement Details

Beck Arnley sources parts through a global network and specifies them to meet the brand’s replacement standards for foreign vehicles. This ignition coil is intended for drivers and repair shops looking for a direct replacement on 2022-2025 Subaru WRX, 2019-2020 Subaru Ascent to 1/15/20, and 2020 Subaru Legacy and Outback to 1/15/20. The Beck Arnley 178-8600 supports clean electrical connection and correct fitment for the listed Subaru applications.

Vehicle Fitment

• Fits 2022-2025 Subaru WRX, N/A
• Fits 2019-2020 Subaru Ascent, N/A, to 1/15/20
• Fits 2020 Subaru Legacy, N/A, to 1/15/20
• Fits 2020 Subaru Outback, N/A, to 1/15/20

Common Issues This Part Can Address

• Engine misfire caused by a failing ignition coil
• Rough idle or hesitation under acceleration
• Hard starting related to weak spark output
• Check engine light conditions tied to ignition performance
• Loss of power from inconsistent coil operation

Installation Notes and Tips

Verify the connector style, terminal count, and model-year break before installation. This coil uses a 3-terminal male connector and does not include mounting hardware, so reuse or source any required fasteners separately. Confirm the vehicle build date on 2019-2020 Subaru Ascent and 2020 Subaru Legacy and Outback applications, since fitment is limited to units built to 1/15/20.

Quality Assurance

Beck Arnley parts are specified as direct replacements for OE applications across foreign nameplates, with attention to fit, function, and durability. Part number 178-8600 is built to match the listed Subaru applications and support a confident repair decision.