OCPTY 8 ignition coils with 8 iridium Spark Plugs fits UF483 UF521 UF542 A8 Allroad S4 4.2L V8

Compatible Vehicle -Compatible with 2005 A6 4.2L V8,Compatible with 2004 V8 4.2L, Replaces OEM Part Numbers - 06A905115D, 06A905115, 06B905115, UF418, UF483, UF521, UF542, E891, E898, E983, E1021, E1042, C1420, C1447, C1463, C1471, 5C1391, 5C1415, 5C1437, 5C1462, 5C1470, 1788337, 1788338, 1788416, 1788422, 1788428, Premium Quality Material - You'll have an easy time mounting these coils due to their lightweight and winding construction. The copper material ensures maximum power delivery to the spark plugs. They come pre-greased for direct replacement.Superior winding process yields greater wire length control, which means less chance of a breakdown of the wire coating and insulation. Material resists pinholes and cracks that can cause failures., Function & OEM Fit - OCPTY Ignition Coils are engineered for original equipment and replacement applications.Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability.The ignition coil acts like a transformer.the ignition coil transforms the electrical energy from the vehicle battery into high voltage, saves it briefly and then emits it as a high voltage current pulse to the spark plug., Promise - Our Ignition Coils come with a one-year warranty, Please use enter your vehicle in your Amazon Garage above to see if this part is compatible with your vehicle,And also you can check the Replaces OEM Part Numbers list to make sure it fits.

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