ECCPP Ignition Coil, Ignition Coil Packs Replacement Coils DG474 DG489 DG506 DG536 C1341 FD497 FD501 for Ford Mazda Mercury L4 1999-2004 IGNITION COILS FITMENT: Replacement ignition coil is compatible with Ford Mercury Mazda 1999-2004 Please refer to the product description for details COIL PACK FEATURES: Ignition coil packs are easy-installation designed and meticulously manufactured, which are made of superior quality materials PRODUCT 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 IMPORTANT NOTES: 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 INTIMATE WARRANTY: Our ignition coil sets provide you with a 12-months maintenance period and all-round after-sale technical assistance