ECCPP Ignition Coils Pack of 4 Compatible with Mazda RX-8 2004-2011 Replacement for UF501 C1459 IGNITION COIL PACK FITMENT - Replacement ignition coil for Mazda Rx-8 2004-2011(Please refer to the product description for details) HIGH QUALITY REPLACEMENT - Made of top quality materials,for higher stability and reliability, meet or exceed OEM standards,it helps solve the issue cased by bad coils such as shake and eliminate misfire FUNCTIONS - This new premium ignition coil can fit your vehicles perfectly and produce a high output energy, which can keep your engine running well and smoothly BUYER NOTICE - Please read the fitment list carefully beforehand to avoid ordering the improper coils, remember to prevent putting the ignition coils under the hot or wet environment COMPATIBLE PART NUMBERS - C1459 5c1450 E1001 52-1788 N3h1-18-100 N3h1-18-100a-9u N3h1-18-100b-9u Uf-501, UF501 N3H1-18-100B-9U N3H118100B N3H118100B9U 5C1450 50231 N3H118100A9U, N3H1-18-100B-9U N3H1181009U N3H118100A N3H118100 N3H118100B N3H118100B9U 5C1450 50231 N3H118100A9U Preventing the ignition coil being heated or damp Turning off the ignition coil when the engine does not work Checking, clearing the ignition coil and tightening the connector in order to avoid short circuit or ground Controlling the engine capability to prevent excerssive voltage Changing the spark plug regularly