5073 Karlyn/STI Direct Ignition Coil
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Karlyn/STI Direct Ignition Coil | 5073

Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Saab
$28.99
Reg
$30.20
List
$49.42
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Make Sure It Fits

P/N: 5073 Karlyn/STI
Cross References:
  • 12568062

Ignition coils create the power needed for the spark plug to ignite the air-fuel charge in a gasoline engine's cylinder for combustion. They are induction-style coils that amplify the 12 volts used by your vehicle's electrical system to up to 40 kilovolts needed to make a spark strong enough for complete combustion. Some vehicles use only one or two ignition coils for the entire engine, while others use a single ignition coil for each cylinder or sometimes two.

Failed or failing ignition coils, even if producing voltage, may not be strong enough, causing a weak spark or no spark to the cylinders. When this happens, it can cause one or all the cylinders in your vehicle to misfire, making the engine run rough, if at all.

Replacing Your Vehicle's Ignition Coils

When replacing an ignition coil, whether as part of maintenance or due to a failed ignition coil, it is a good idea to replace any other connected ignition components. For engines that use a distributor, you should replace the distributor cap, distributor rotor, ignition wires, and spark plugs along with the ignition coil. For engines with a single ignition coil per cylinder or a single ignition coil for every two cylinders, you should replace the ignition wires or boots and spark plugs with the ignition coils. Additionally, it is always recommended to replace all the ignition coils simultaneously.

View more Karlyn Ignition Coils.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Karlyn/STI Direct Ignition Coil Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Buick
04-05 - Rainier AWD CXL, CXL Plus
04-05 - Rainier RWD CXL, CXL Plus
Chevrolet
04-04 - Colorado Sport, Sport LS
04-04 - Colorado Sport, Sport LS

L4
04-06 - Colorado 4WD Base, LS, LT, Sport, Sport LS & more
04-06 - Colorado 4WD Base, LS, LT, Sport, Sport LS & more

L4
04-06 - Colorado RWD Base, LS, LT, Sport, Sport LS & more
04-06 - Colorado RWD Base, LS, LT, Sport, Sport LS & more

L4
02-05 - Trailblazer 4WD LS, LT, LTZ, North Face
02-05 - Trailblazer RWD LS, LT, LTZ, North Face
GMC
04-06 - Canyon 4WD SL, SLE, SLT, WT, Z71 Fleet & more
04-06 - Canyon 4WD SL, SLE, WT, Z71 Fleet, Z71 SL & more

L4
04-06 - Canyon RWD SL, SLE, SLT, WT, Z71 Fleet & more
04-06 - Canyon RWD SL, SLE, WT, Z71 Fleet, Z71 SL & more

L4
02-05 - Envoy 4WD SLE, SLT
02-05 - Envoy RWD SLE, SLT
02-05 - Envoy XL 4WD SLE, SLT
02-05 - Envoy XL RWD SLE, SLT
04-05 - Envoy XUV 4WD SLE, SLT
04-05 - Envoy XUV RWD SLE, SLT
Isuzu
03-08 - Ascender 4WD Base, Limited, LS, S
03-08 - Ascender RWD Base, Limited, LS, S
06-06 - i-280
07-08 - i-290 LS, S
06-06 - i-350
for Cylinders 1-5
07-07 - i-370 4WD LS
for Cylinders 1-5
07-07 - i-370 RWD LS
for Cylinders 1-5
Oldsmobile
02-04 - Bravada AWD
02-04 - Bravada RWD
Saab
05-09 - 9-7x 4.2i, Linear