Karlyn STI® 5072 - Direct Ignition Coil

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Karlyn STI® - Direct Ignition Coil
Karlyn STI® - Direct Ignition CoilKarlyn STI® - Ignition Catalog 2016Karlyn STI Authorized Dealer
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Product Details

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Karlyn STI

Direct Ignition Coil (5072) by Karlyn STI®. Requires 4 per Vehicle. The ignition coil is one of the most important part in the ignition system. Ignition Coil aimed to provide the needed high voltage and ignition energy for generating the high voltage sparks at the spark plug.

Karlyn STI


  • Place directly on the spark plug
  • High temperature resistant
  • Made of High Quality Materials

Karlyn STI® is recognized worldwide as one of the most proven and reliable manufacturers of ignition and suspension parts in the automotive aftermarket. The brand's history traces back to 1971 when German engineer Hans Bierdumpfel founded Karlyn STI, after working on leading positions in several respected companies in the USA. At first the company produced VW ball joints and tie rod ends, and further expanded into manufacturing suspension parts and high-performance spark plug ignition cable sets for a range of vehicle applications. Today, Karlyn STI product lines are admired by automotive fans for their unmatched performance and superior durability.

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Warranty Information

Find out everything you need to know about the product warranty

Karlyn Industries/STI distributes high quality COP components. Karlyn Industries/STI utilize independent engineers to monitor their coils and test warranties. Most coils that are returned do not have a problem. Rough running engines that set misfire codes can have multiple causes. It is the responsibility of the dealer/installer of their products to verify that the following items of inspection have been performed, in order to comply with warranty replacement. General misfire codes are most likely due to an intake vacuum leak or fuel delivery problem. Misfire codes identifying a particular cylinder are usually due to a fouled spark plug, dirty or dead fuel injector or loss of compression in the cylinder burned or bent valve, weak or broken valve spring or leaky head gasket. If the crankshaft position sensor fails, the loss of the basic timing signal will prevent the system from generating a spark and the engine will not start or run. A failed driver circuit within the power train control module (PCM) can kill an individual coil and prevent that cylinder from firing. Replacing the coil without addressing the cause will only result in another damaged coil. Misfire codes can also be triggered from a damaged wire harness due to poor grounds. Inspect the wire harness carefully. You may have to cut back the insulation to verify that there is no corrosion or melting of the wire harness due to poor grounds. A faulty harness can cause the coil to fail. If you simply install a new COP it may seem like you have corrected the problem but, merely replacing the coil without repairing the grounding problem may result in future coil failures. In summary, it is important to remember that ignition misfire can also be caused by other factors such as worn or fouled spark plugs, loose or damaged coil connectors or terminals, dirty fuel injectors, low fuel pressure, intake vacuum leaks, loss of compression in a cylinder, even a tankfull of "bad" gas contaminated with water. These other possibilities should all be ruled out before a COP unit is replaced. Note: A fouled sparkplug can damage the COP. Karlyn STI recommend that you always replace the spark plugs when you replace the COP units and that all the ignition coils be replaced at the same time. As a form of preventive maintenance we suggest this be done every 60,000 miles Karlyn Industries/STI will do their job to monitor and test the integrity of their coils. Karlyn STI hope that this information will help you to enhance the reliability and credibility of your repair while complementing their product. The main goal here is a real solution to your ignition problem which will result in happy customers. Temporary solutions will only result in the return of non-defective parts and unhappy customers who will continue to have the same problem.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

This part is compatible with 33 vehicle(s)
Year Make Model Fitment Notes:
2014 Subaru WRX STI
2013 Subaru WRX STI
2012 Subaru WRX STI
2011 Subaru WRX STI
2010 Subaru Forester
  • XT Limited / XT Premium
2010 Subaru Impreza
  • 2.5 GT
2010 Subaru WRX STI
2010 Subaru WRX
  • Base / Limited / Premium
2009 Subaru Forester
  • XT / XT Limited
2009 Subaru Impreza
  • 2.5 GT
2009 Subaru Legacy
  • GT Limited / GT Spec.B
2009 Subaru Outback
  • XT Limited
2009 Subaru WRX / WRX STI
  • Base
2008 Subaru Forester
  • Sports 2.5 XT / XT Limited
2008 Subaru Legacy
  • GT Limited / GT Spec.B
2008 Subaru Outback
  • XT Limited
2008 Subaru WRX / WRX STI
  • Base
2007 Subaru Forester
  • XT Limited
2007 Subaru Legacy
  • 2.5i Special Edition / GT Spec.B
2007 Subaru Outback
  • XT Limited
2007 Subaru WRX / WRX STI
2006 Subaru Baja
  • Turbo
2006 Subaru Forester
  • XT Limited
2006 Subaru Legacy
  • GT / GT Spec.B
2006 Subaru Outback
  • XT
2006 Subaru WRX / WRX STI
2005 Subaru Baja
  • Turbo
2005 Subaru Forester
  • XT / XT Premium
2005 Subaru Legacy
  • I / Limited
2005 Subaru Outback
  • XT / XT Limited
2005 Subaru WRX STI
  • 2.5L
2004 Subaru Baja
  • Turbo
2004 Subaru Forester
  • XT
2004 Subaru WRX STI
  • 2.5L

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