Beck Arnley 178-8402 Ignition Coil

Ignition Coil for Subaru Applications

Beck Arnley 178-8402 is an ignition coil built for foreign nameplate OE specifications, with attention to form, fit, and function. It is a direct-fit replacement for select Subaru models, including Subaru Forester, Subaru Impreza, Subaru Legacy, Subaru Outback, and Subaru Baja applications.

• OE-style ignition coil for Subaru ignition system service
• Built to match foreign nameplate OE specifications for fit and function
• Supports reliable spark delivery in confirmed Subaru applications
• Beck Arnley 178-8402 for targeted ignition coil replacement
• Fits 1999-2004 Subaru Forester, N/A
• Fits 1999-2004 Subaru Impreza, N/A
• Fits 1999-2004 Subaru Legacy, N/A
• Fits 2000-2004 Subaru Outback, N/A
• Fits 2003-2006 Subaru Baja, N/A
• Fits 2005 Subaru Legacy, N/A, California
• Fits 2005 Subaru Outback, N/A, California

Detailed Product Overview

Beck Arnley 178-8402 is engineered for Subaru ignition coil replacement where OE-style dimensions and electrical performance matter. Beck Arnley sources parts through a global network to meet foreign nameplate OE specifications, helping ensure the coil matches the original application requirements on Subaru Forester, Impreza, Legacy, Outback, and Baja models. This part number, 178-8402, is a practical choice for restoring ignition performance on listed Subaru vehicles.

Common Symptoms This Part May Address

• Engine misfire under load or at idle
• Hard starting or extended crank time
• Rough running and inconsistent spark output
• Check engine light related to ignition performance
• Loss of power caused by weak coil output

Installation Notes and Tips

Verify the year, model, and California note before ordering, especially for 2005 Subaru Legacy and 2005 Subaru Outback applications. Compare the original coil connector, mounting points, and engine-side layout to confirm the replacement matches the vehicle configuration. Use clean electrical connections and inspect related ignition components during service.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. This helps support confident installation on the confirmed Subaru applications listed for Beck Arnley 178-8402.