{"product_id":"ignition-coil-and-iridium-spark-plugs-for-mazda-b4000-1994-2004-4-0l","title":"Ignition Coil and Iridium Spark Plugs for Mazda B4000 (1994-2004) 4.0L","description":"\u003ch2\u003eDirect-Fit Ignition Service Kit for 1994-2004 Mazda B4000\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Provides a complete secondary ignition refresh to eliminate engine misfires, restore clean combustion, and stabilize voltage delivery under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock B4000 Dielectric Breakdown\u003c\/h3\u003e\n\u003cp\u003eProlonged heat cycling and engine bay vibration severely degrade the factory ignition components on the 4.0L Cologne V6. Over time, internal epoxy insulation deteriorates, leading to primary winding resistance drift, thermal shorting, and micro-cracking in the coil housing. This breakdown allows secondary voltage arc-through, creating rough idling, hesitant throttle response, unburnt hydrocarbon build-up, and lost torque during heavy towing cycles.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive kit restores proper ignition dynamics using high-density thermoplastic housings and heat-resistant internal copper windings engineered to resist thermal degradation. Paired with fine-wire iridium spark plugs, the assembly produces a focused, stable spark kernel at lower firing voltages. Direct-fit blade terminals and factory-matched electrical connectors ensure consistent continuity without harness modification.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1994-2004 Mazda B4000\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4.0L Cologne V6 \/ UN Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e160-207 hp \/ 225-238 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF406, FD502, DG500, UF-406\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1994-2004 Mazda B4000 Base 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e1994-2004 Mazda B4000 SE 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e1994-2004 Mazda B4000 LE 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e1994-2004 Mazda B4000 DS 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e1994-2004 Mazda B4000 Cab Plus \/ 4WD 4.0L V6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Mazda Truck Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for workhorse durability, this ignition kit maintains consistent spark delivery under sustained payloads and off-road operating demands.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452202520824,"sku":"DS-EL1MXV842","price":71.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-mazda-b4000-1994-2004-4-0l-1.jpg?v=1788720664","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-mazda-b4000-1994-2004-4-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}