Duralast Ignition Coil C846 - Read 2 Reviews on Duralast #C846

Duralast Ignition Coil

Vehicle Specific

Part Number: C846
Alternate Part Number: C846
Features & Benefits

Duralast products are engineered for original equipment and replacement applications. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

  • High dielectric epoxy is injected into the case and pulled into a vacuum to eliminate air pockets and prevent moisture intrusion or thermal breakdown
  • Neodymium in the core creates the strongest magnetic field and produces max high voltage output at all speeds
  • Our reinforced bobbins prevent voltage flash over for an extended service life
  • We use the high heat resistant compound for our coil on plug boot to withstanding heat stress for longer durability
Product Details
Part Number: C846
Weight: 1.30lbs
Notes: Enter your vehicle information above to see product notes.
Coil Color / Finish: Black / Smooth Plastic
Coil Configuration: DIS (Distributorless Ignition System)
Coil Terminal Type: Blade
Coil Wire Terminal Attachment Type: Male
Item Grade: OEM Standard
Package Contents: Ignition Coil
Vehicle System Voltage: 12V
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
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    Duralast/Ignition Coil

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    4

    This review is hidden because you have chosen to ignore Member 2009905742. Show DetailsHide Details

    Overall good though requires some fabrication and a few extra materials I wasnt sure what to do with

    3 of 3 people found this helpful

    Bought this for my 93 Z28 and the ICM too. The ignition coil and ignition control module both mount to this one metal bracket on the front of the driver side cylinder head. Mine were factory and 23 years old. Prior to installing this, my car started up fine and would idle fine.. but after the install I could really tell a difference in how long it took from engaging the key and cranking to actually starting. Idle was much smoother as well. About 5k miles prior I had done the plugs and wires and I noticed a nice improvement in the vibration at idle as well. The coil, ICM, plugs, and wires all just make your car feel healthier.

    The install was easy so long as you have a drill to drill out the rivets holding the factory coil to the coil mount. This includes a couple bolts/nuts to replace the drilled out rivets. The only thing I wasnt really sure what to do with were these thin, flat metal bars that run about the length of the square shape of the coil and have a short, 1-2cm 90 degree angle on the ends. There were 2 of them and I figured they were some kind of support bracket but I messed with it for a while and couldnt figure a logical way to actually utilize them. That said, you dont actually NEED them with that factory bracket and the provided bolts. A quick image search didnt help either hoping to see if maybe someone had used this duralast coil and maybe had a picture demonstrating how to use those flat metal bars.

    I also hear that some people have trouble with the coil/icm and its location on the head causing issues when hot.. and even though I have never had that problem.. I thought now would be a good time to take a few washers to put a little space between this bracket and the cylinder head. Knowing the kind of temperatures this LT1 engine gets to, for a few cents I think its worth doing.

    Pros: Price, noticeable difference when starting the car and a much smoother idle

    Cons: Could use a simple set of directions

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