High Voltage Ignition Coil - Model BK-6160 Replacement

A High Voltage Ignition Coil, Model BK-6160

This is a replacement ignition coil, model BK-6160, built to deliver the high-voltage spark that fires your engine's spark plugs. If your car has started misfiring, hesitating, or throwing a rough idle, a weak or failing ignition coil is one of the more common culprits, and replacing it is usually a straightforward fix once you've confirmed that's actually the problem.

What an Ignition Coil Does

Your car's battery only puts out 12 volts, which isn't nearly enough to jump the gap on a spark plug and ignite the air-fuel mixture in the cylinder. The ignition coil's job is to take that low voltage and step it up dramatically — often into the tens of thousands of volts — timed precisely with each cylinder's firing order. When a coil starts to weaken, the spark it produces gets thinner and less consistent, which shows up as a misfire, a check engine light, reduced fuel economy, or a noticeable loss of power under acceleration. If you want the more technical explanation of the step-up transformer principle behind this, Wikipedia's ignition coil article covers the electromagnetic side of it in more depth than we will here.

What You're Getting

This listing is for one high voltage ignition coil, model BK-6160, classified as a general automotive spare part. It's built to replace a coil that's failed or is showing signs of weakening, restoring proper spark delivery to the cylinder it serves. As with most ignition coils, this is sold as an individual unit rather than a full engine set, so check whether your vehicle needs one coil replaced or several before ordering quantity.

A Note on Compatibility

We don't have a specific vehicle application list attached to this coil beyond the BK-6160 model designation, so we're not going to claim it fits a particular make or model without that confirmation. Ignition coils are one of those parts where the physical connector, mounting style, and electrical specifications have to match your engine exactly — a coil that looks similar but isn't the correct fit either won't seat properly or won't deliver the voltage your engine needs. If you're not already working from a confirmed cross-reference against your vehicle's OEM coil number, the safest approach is to compare this BK-6160 designation against your existing coil or your vehicle's parts catalog before ordering, or reach out through our Request a Part page and we'll help you confirm fitment.

Signs You Might Need One

A failing ignition coil often shows up first as a rough idle or a slight hesitation when you accelerate, especially noticeable at low RPM. As it gets worse, you may notice an intermittent misfire that feels like the engine briefly stumbles, sometimes accompanied by a flashing check engine light, which usually indicates the engine control computer has detected a misfire on a specific cylinder. Some drivers also notice reduced fuel economy, since an engine running on a weak spark doesn't burn fuel as efficiently as it should. None of these symptoms are exclusive to a bad coil — spark plugs, fuel injectors, and wiring issues can cause similar problems — so it's worth ruling out the simpler and cheaper possibilities first if you're not sure.

Installation Notes

Replacing an ignition coil is one of the more approachable jobs in home auto maintenance on most vehicles, particularly on engines with coil-on-plug designs where the coil sits directly above each spark plug. Typically it involves disconnecting the electrical connector, removing a single retaining bolt, and pulling the old coil straight up and off the spark plug before reversing the process with the new one. It's worth inspecting the spark plug underneath while you're in there, since a worn plug can shorten the life of a brand new coil if it's not replaced at the same time.

Specifications

• Type: High voltage ignition coil
• Model: BK-6160
• Classification: Automotive spare part
• Condition: New

Why This Is Worth Getting Right

Driving on a failing ignition coil for an extended period can do more damage than the coil itself would cost to replace — unburned fuel from a misfiring cylinder can wash oil off the cylinder walls and, in some cases, damage the catalytic converter if raw fuel keeps making it into the exhaust system. Catching a weak coil early and swapping it out is a lot cheaper than dealing with a fouled catalytic converter down the line.

Ordering Information

This ignition coil is in stock and ships as a single unit, ready to install once you've confirmed it's the right match for your vehicle. Our Shipping Information page covers current timelines, and our Warranty and Returns pages explain the process if anything needs to go back.

Related Parts

This coil sits in our electrical parts collection and our sensors and electronics collection alongside our other ignition and electrical components. If you're diagnosing a misfire and aren't yet certain the coil is the cause, it's worth browsing those collections for related sensors and electrical parts that can cause similar symptoms.