{"product_id":"npauto-ignition-coil-pack-4-pack-for-ford-mazda-mercury-2-0-2-5l-d505-oe-style-fit-restores-smooth-idle","title":"NPAUTO Ignition Coil Pack 4-Pack for Ford Mazda Mercury 2.0–2.5L — D505 OE-Style Fit, Restores Smooth Idle","description":"\u003cp\u003e\u003cstrong\u003eNPAUTO D505 is a four-pack ignition coil replacement engineered to restore consistent spark delivery for compatible Ford, Mazda, Mercury and Lincoln 4‑cylinder engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle shows intermittent misfires, rough idle or reduced throttle response, worn or failed ignition coils are a common cause. The NPAUTO D505 set includes four coils that match OE mounting and electrical interfaces for a wide range of L4 2.0L–2.5L engines from model years listed below, letting you replace all cylinders at once for balanced performance and smoother operation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich cars and engines does this coil pack fit?\u003c\/h3\u003e\n\u003cp\u003eThese coils are designed for transverse 4‑cylinder Ford, Mazda, Mercury and Lincoln models with 2.0L, 2.3L or 2.5L engines across multiple years. Always cross‑check the compatibility chart and your vehicle’s part numbers before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFord: Focus (2003–2011), Escape (2005–2019), Fusion (2010–2020), Ranger (2013–2020), Transit Connect (2010–2013), C‑Max (2013–2018), EcoSport (2009–2012)\u003c\/li\u003e\n  \u003cli\u003eMazda: Mazda3 (2004–2005), Tribute (2005–2006, 2008)\u003c\/li\u003e\n  \u003cli\u003eMercury: Mariner (2005–2008), Milan (2010–2011)\u003c\/li\u003e\n  \u003cli\u003eLincoln: MKZ (2013–2020; some 2011–2012 2.5L applications)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils improve driveability after installation?\u003c\/h3\u003e\n\u003cp\u003eReplacing degraded coils with a matched four‑pack helps restore uniform spark timing and cylinder combustion, reducing misfires and restoring smoother idle. You should notice steadier acceleration and potentially improved fuel efficiency when the ignition system is functioning correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces all four coils to eliminate cylinder imbalance\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit OE-style coil sockets and connectors for straightforward installation\u003c\/li\u003e\n  \u003cli\u003eHelps resolve symptoms like hesitation under load and rough idling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these coils compatible with OE part numbers or aftermarket equivalents?\u003c\/h3\u003e\n\u003cp\u003eNPAUTO D505 corresponds to several common interchange numbers used across OE and aftermarket catalogs. If your vehicle’s existing coil lists one of these references, D505 is likely a direct replacement, but visually confirm connector type and mounting orientation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross references include FD505, DG501, DG504, DG541 and DG507\u003c\/li\u003e\n  \u003cli\u003eAlso matches UF621, 4M5G12A366BC, ZZCA18100 and other listed equivalents\u003c\/li\u003e\n  \u003cli\u003eCheck the vehicle-specific compatibility chart and compare the old coil before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and what should I check before buying?\u003c\/h3\u003e\n\u003cp\u003eThis listing contains four ignition coils so you can replace every cylinder coil at once. Before ordering, verify engine displacement, model year range, and connector style against your vehicle to ensure fitment and avoid returns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage includes: 4 ignition coils (complete set)\u003c\/li\u003e\n  \u003cli\u003eConfirm engine size (2.0L, 2.3L, 2.5L) and model year compatibility\u003c\/li\u003e\n  \u003cli\u003eCompare part numbers and electrical connector shape to your original coils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The NPAUTO D505 four‑pack is for owners and mechanics seeking an affordable, like‑for‑like replacement for worn ignition coils on compatible Ford, Mazda, Mercury and Lincoln four‑cylinder cars and light trucks. It suits DIY installers and service shops that want to replace all coils together to prevent cylinder imbalance, reduce diagnostic time and restore smoother engine performance. If in doubt, use the vehicle compatibility chart or consult a technician to confirm fitment before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace a single bad coil with this 4-pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, you can, but replacing all four at once prevents imbalance and matching wear across cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these coils match original equipment part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They cross‑reference common OE and aftermarket numbers; confirm the listed interchange codes with your old coil.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NPAUTO","offers":[{"title":"Default Title","offer_id":48085884928158,"sku":"B08K42DGKD","price":49.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/npauto-ignition-coil-pack-front-view.jpg?v=1785879430","url":"https:\/\/northtrailauto.ca\/products\/npauto-ignition-coil-pack-4-pack-for-ford-mazda-mercury-2-0-2-5l-d505-oe-style-fit-restores-smooth-idle","provider":"North Trail Auto","version":"1.0","type":"link"}