Beck Arnley 178-8572 Direct Ignition Coil

OE-Style Ignition Coil for Subaru Applications

Beck Arnley 178-8572 is a direct ignition coil built to meet foreign nameplate OE specifications for form, fit, and function. It is a practical replacement for Subaru ignition service when you need the correct coil for the application and a confident install.

Fits 2015-2021 Subaru WRX STI, N/A. Fits 2011-2014 Subaru Impreza, N/A. Fits 2011-2013 Subaru Forester, N/A. Fits 2010-2012 Subaru Legacy, N/A.

Key Features

• Direct ignition coil for specified Subaru applications
• Built to OE specifications for form, fit, and function
• Supports accurate replacement selection for foreign nameplate vehicles
• Beck Arnley part number 178-8572 for catalog and service matching
• Lead is listed as a chemical of issue for this part

Detailed Description

Beck Arnley 178-8572 is engineered as a direct ignition coil for Subaru models including WRX STI, Impreza, Forester, and Legacy across the listed model years. Beck Arnley sources parts through global partners and focuses on OE-style fitment so the replacement matches the original application requirements. This part number 178-8572 is a straightforward choice for ignition system service on Subaru WRX STI and related models when the original coil needs replacement.

Common Issues This Part Can Address

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

Installation Notes and Tips

Verify the year, model, and engine application before installation. Inspect the coil connector, boot, and surrounding ignition components for wear or contamination before swapping the part. Clear diagnostic trouble codes after repair and confirm proper engine operation during a road test. Use the vehicle’s service information for torque and diagnostic procedures.

Quality Assurance

Beck Arnley parts are selected to meet foreign nameplate OE specifications for form, fit, and function, helping support accurate replacement on the listed Subaru applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.