{"product_id":"ignition-coil-and-iridium-spark-plugs-for-toyota-avalon-2019-2021-2-5l","title":"Ignition Coil and Iridium Spark Plugs for Toyota Avalon (2019-2021) 2.5L","description":"\u003ch2\u003eDirect-Replacement Ignition Coil and Iridium Spark Plug Kit for 2019-2021 Toyota Avalon\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestores combustion efficiency and eliminates cylinder misfires:\u003c\/strong\u003e This direct-fit ignition service kit replaces degraded coil-on-plug packs and worn spark plugs on the 2.5L Dynamic Force engine to ensure precise ignition timing under high thermal loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Avalon Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory ignition coils operating on the high-compression (14.0:1) A25A engine endure extreme thermal cycling in modern hybrid engine bays. Over time, OEM coil boots develop micro-fissures and dielectric breakdown within the internal epoxy potting. This creates secondary voltage leaks, carbon tracking, and intermittent misfire codes (P0300-P0304). Concurrently, standard spark plug electrodes erode, widening the gap and overworking the primary coil windings, leading to rough cold starts, degraded fuel economy, and erratic idle transitions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition assembly features high-conductivity copper primary and secondary windings housed within reinforced thermoplastic and potted in high-dielectric epoxy to resist thermal degradation and internal flashover. Paired with four fine-wire iridium spark plugs, the kit delivers focused spark energy with minimal voltage demand. The high-melting-point iridium center electrode resists erosion under lean-burn conditions, restoring factory throttle response, idle stability, and combustion efficiency.\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;\"\u003e2019-2021 Toyota Avalon\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;\"\u003e2.5L A25A-FXS \/ XX50 (AXVH50)\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;\"\u003e215 hp \/ 163 lb-ft (Hybrid System Total)\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;\"\u003eUF849, UF-849\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2019 Toyota Avalon (Hybrid XLE, Hybrid Limited, Hybrid XSE) 2.5L L4\u003c\/li\u003e\n  \u003cli\u003e2020 Toyota Avalon (Hybrid XLE, Hybrid Limited, Hybrid XSE) 2.5L L4\u003c\/li\u003e\n  \u003cli\u003e2021 Toyota Avalon (Hybrid XLE, Hybrid Limited, Hybrid XSE) 2.5L L4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Toyota Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to precise OEM resistance and output tolerances, these direct-fit components utilize factory blade-style electrical connectors for plug-and-play installation without causing ECU calibration errors or check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50456032542968,"sku":"DS-EX6DJ7BVQ","price":105.95,"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-toyota-avalon-2019-2021-2-5l-1.jpg?v=1788757164","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-toyota-avalon-2019-2021-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}