Beck Arnley 178-8390 Direct Ignition Coil

Brand Beck Arnley 178-8390
Fits Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab · 36 vehicles

OE-spec replacement. Form, fit, and function match the original part.

Direct ignition coil. Built for reliable spark delivery in the ignition system.

$78.52Free 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
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Step 2 — Quantity
Order total $78.52
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct Ignition Coil for OE-Style Replacement

Beck Arnley 178-8390 is a direct ignition coil built to match foreign nameplate OE specifications for form, fit, and function. It is a practical replacement for drivers servicing ignition issues on select Chevrolet, GMC, Buick, Saab, Isuzu, Hummer, and Oldsmobile applications.

  • Direct ignition coil for OE-style replacement
  • Built to foreign nameplate OE specifications for form, fit, and function
  • Supports accurate replacement on select 2002-2008 vehicles
  • Beck Arnley part number 178-8390

Vehicle Fitment

  • Fits 2008 Isuzu Ascender, N/A
  • Fits 2003-2005 Isuzu Ascender, N/A
  • Fits 2007-2008 Isuzu i-290, N/A
  • Fits 2007 Isuzu i-370, N/A
  • Fits 2004-2006 Chevrolet Colorado, N/A
  • Fits 2004-2006 GMC Canyon, N/A
  • Fits 2006 Hummer H3, N/A
  • Fits 2006 Isuzu i-280, N/A
  • Fits 2006 Isuzu i-350, N/A
  • Fits 2004-2005 Buick Rainier, N/A
  • Fits 2002-2005 Chevrolet Trailblazer, N/A
  • Fits 2002-2005 GMC Envoy, N/A
  • Fits 2005 Saab 9-7x, N/A
  • Fits 2002-2004 Oldsmobile Bravada, N/A

What This Coil Helps Address

  • Engine misfire conditions tied to weak ignition output
  • Hard starting caused by ignition coil failure
  • Rough idle from inconsistent spark delivery
  • Loss of power under load related to ignition breakdown
  • Check engine light concerns associated with ignition performance

Installation Notes

Verify the part number and vehicle application before installation. For best results, inspect related ignition components and confirm the coil connector and mounting points match the original unit on your Chevrolet Colorado, GMC Canyon, or other listed application. Beck Arnley 178-8390 is intended as a direct replacement for the specified fitments.

Quality Assurance

Beck Arnley sources parts to meet OE specifications for foreign nameplate applications, with product specialists working through global sourcing partners to help ensure the correct fit and function for the listed vehicles.

This part fits 36 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008IsuzuAscender4.2LL6N/A—
2008Isuzui-2902.9LL4N/A—
2007Isuzui-2902.9LL4N/A—
2007Isuzui-3703.7LL5N/A—
2006ChevroletColorado2.8LL4N/A—
2006ChevroletColorado3.5LL5N/A—
2006GMCCanyon2.8LL4N/A—
2006GMCCanyon3.5LL5N/A—
2006HummerH33.5LL5N/A—
2006Isuzui-2802.8LL4N/A—
2006Isuzui-3503.5LL5N/A—
2005BuickRainier4.2LL6N/A—
2005ChevroletColorado2.8LL4N/A—
2005ChevroletColorado3.5LL5N/A—
2005ChevroletTrailblazer4.2LL6N/A—
2005GMCCanyon2.8LL4N/A—
2005GMCCanyon3.5LL5N/A—
2005GMCEnvoy4.2LL6N/A—
2005IsuzuAscender4.2LL6N/A—
2005Saab9-7x4.2LL6N/A—
2004BuickRainier4.2LL6N/A—
2004ChevroletColorado2.8LL4N/A—
2004ChevroletColorado3.5LL5N/A—
2004ChevroletTrailblazer4.2LL6N/A—
2004GMCCanyon2.8LL4N/A—
2004GMCCanyon3.5LL5N/A—
2004GMCEnvoy4.2LL6N/A—
2004IsuzuAscender4.2LL6N/A—
2004OldsmobileBravada4.2LL6N/A—
2003ChevroletTrailblazer4.2LL6N/A—
2003GMCEnvoy4.2LL6N/A—
2003IsuzuAscender4.2LL6N/A—
2003OldsmobileBravada4.2LL6N/A—
2002ChevroletTrailblazer4.2LL6N/A—
2002GMCEnvoy4.2LL6N/A—
2002OldsmobileBravada4.2LL6N/A—