Beck Arnley 178-8405 Ignition Coil

Brand Beck Arnley 178-8405
Fits Subaru and Saab · 22 vehicles

OE-spec replacement. Built to match foreign nameplate form, fit, and function.

Ignition coil for dependable spark delivery.

$109.41Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $109.41
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Ignition Coil for Subaru and Saab Applications

Restore consistent spark output with the Beck Arnley 178-8405 ignition coil. This OE-style replacement is built to match foreign nameplate specifications for form, fit, and function, giving you a direct replacement for select Subaru and Saab applications.

  • OE-style ignition coil for foreign nameplate vehicles
  • Built to match original form, fit, and function requirements
  • Supports reliable ignition performance in daily driving conditions
  • Beck Arnley 178-8405 for select Subaru and Saab applications

Detailed Product Overview

Beck Arnley 178-8405 is an ignition coil engineered for drivers who need a replacement that follows original equipment specifications. Beck Arnley works with global sourcing partners to supply parts that align with the vehicle’s original design expectations, helping ensure proper fit and dependable operation. This part is used in select 2005-2010 Subaru Impreza, 2006-2009 Subaru Legacy, 2006-2009 Subaru Outback, 2005-2008 Subaru Forester, and 2005-2006 Saab 9-2X applications. It also covers 2005 Subaru Legacy and 2005 Subaru Outback Federal applications.

Common Problems This Part Can Address

  • Engine misfire caused by a weak or failing ignition coil
  • Rough idle or inconsistent combustion
  • Hard starting related to ignition output loss
  • Loss of power under acceleration from poor spark delivery
  • Check engine light conditions tied to ignition coil faults

Installation Notes and Tips

Verify the vehicle year, make, model, and Federal note before ordering. This Beck Arnley 178-8405 ignition coil is listed for N/A position applications, so match the original coil location and connector style before installation. Inspect related ignition components and clear diagnostic trouble codes after replacement if required by the vehicle.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. This part cross-references Bosch 0221504470 for the same application.

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010SubaruImpreza2.5LH4N/A—
2009SubaruImpreza2.5LH4N/A—
2009SubaruLegacy2.5LH4N/A—
2009SubaruOutback2.5LH4N/A—
2008SubaruForester2.5LH4N/A—
2008SubaruImpreza2.5LH4N/A—
2008SubaruLegacy2.5LH4N/A—
2008SubaruOutback2.5LH4N/A—
2007SubaruForester2.5LH4N/A—
2007SubaruImpreza2.5LH4N/A—
2007SubaruLegacy2.5LH4N/A—
2007SubaruOutback2.5LH4N/A—
2006Saab9-2X2.5LH4N/A—
2006SubaruForester2.5LH4N/A—
2006SubaruImpreza2.5LH4N/A—
2006SubaruLegacy2.5LH4N/A—
2006SubaruOutback2.5LH4N/A—
2005Saab9-2X2.5LH4N/A—
2005SubaruForester2.5LH4N/A—
2005SubaruImpreza2.5LH4N/A—
2005SubaruLegacy2.5LH4N/AFederal
2005SubaruOutback2.5LH4N/AFederal