{"product_id":"motorcraft-glow-plugs-for-ford-7-3l-powerstroke-8-piece-oem-set-1995-2003-oem-fit-cold-start-reliability","title":"Motorcraft Glow Plugs for Ford 7.3L PowerStroke — 8‑Piece OEM Set (1995–2003) - OEM Fit \u0026 Cold-Start Reliability","description":"\u003cp\u003e\u003cstrong\u003eGenuine Motorcraft 8-piece glow plug set (ZD-11, now superseded by ZD30 \/ MC3Z12A342F) designed for Ford 7.3L PowerStroke diesel engines from 1995–2003.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit supplies all eight OEM-spec glow plugs built to the fitment and electrical requirements of Ford 7.3L Super Duty and F-series PowerStroke turbo diesels. Sold as a complete eight-piece set, these Motorcraft glow plugs restore proper preheat function for cold starts, replace worn or failed elements, and match factory dimensions and connectors for a straightforward swap.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these Motorcraft glow plugs match my 7.3L PowerStroke?\u003c\/h3\u003e\n\u003cp\u003eThese glow plugs are the factory-recommended items for the 7.3L PowerStroke engine used across Ford trucks from 1995 to 2003. They follow the same thread size, length and electrical characteristics as the original components, ensuring correct engagement and heat-up performance when installed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM part superseded: ZD-11 updated to ZD30 \/ MC3Z12A342F\u003c\/li\u003e\n  \u003cli\u003eSold as a full set of eight to cover every cylinder\u003c\/li\u003e\n  \u003cli\u003eDesigned to match factory thread, tip geometry and connector\u003c\/li\u003e\n  \u003cli\u003eCompatible with 1995–2003 Ford 7.3L PowerStroke applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits will I notice after replacing all eight glow plugs?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn glow plugs helps restore consistent preheat capability, which supports smoother cold starting and reduced burden on the starter motor. While not a cure-all for unrelated fuel or compression issues, fresh OEM glow plugs remove a common source of hard starting or extended crank time in older diesels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuicker warm-up of the combustion chamber in cold conditions\u003c\/li\u003e\n  \u003cli\u003eMore reliable engine starts and fewer extended cranks\u003c\/li\u003e\n  \u003cli\u003eBalanced performance across all cylinders with matched parts\u003c\/li\u003e\n  \u003cli\u003eReduced electrical stress on starting and charging systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is the installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine maintenance. Replace one plug at a time to keep wiring correct; use a torque wrench to the manufacturer’s spec and inspect connectors, boots and the harness for wear while you work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove and replace plugs one cylinder at a time to avoid mix-ups\u003c\/li\u003e\n  \u003cli\u003eUse recommended torque values and anti-seize where advised by service manual\u003c\/li\u003e\n  \u003cli\u003eCheck wiring and connectors for corrosion; replace boots if brittle\u003c\/li\u003e\n  \u003cli\u003eConsider testing glow plug relay\/circuit if problems persist after replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these genuine Motorcraft parts and what part numbers apply?\u003c\/h3\u003e\n\u003cp\u003eYes — this listing is for genuine Motorcraft glow plugs originally designated ZD-11 and now shipped as the superseded ZD30 (MC3Z12A342F). Purchasing the OEM set ensures you get factory fitment, build quality and compatibility with Ford service procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOriginal Motorcraft designation: ZD-11\u003c\/li\u003e\n  \u003cli\u003eCurrent superseded part number: ZD30 (MC3Z12A342F)\u003c\/li\u003e\n  \u003cli\u003eIncluded: one complete set of eight glow plugs\u003c\/li\u003e\n  \u003cli\u003eRecommended to verify vehicle year\/engine before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This eight-piece Motorcraft glow plug set is aimed at Ford owners, fleet technicians and diesel enthusiasts maintaining or restoring 1995–2003 vehicles equipped with the 7.3L PowerStroke engine. It’s appropriate when glow plugs are aged, a cylinder shows preheat failure, or as part of preventive maintenance to retain reliable cold starts and factory-compatible performance.\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: Will one plug failure require replacing all eight?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Technically you can replace one, but replacing all eight ensures matched performance and avoids staggered failures later.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these fit all 7.3L PowerStroke years?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit most 1995–2003 Ford 7.3L PowerStroke applications; always cross-check vehicle year and engine serial before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Motorcraft","offers":[{"title":"Default Title","offer_id":48081423827102,"sku":"B017O2I7NS","price":180.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/motorcraft-glow-plugs-front-packaging.jpg?v=1785803661","url":"https:\/\/northtrailauto.ca\/products\/motorcraft-glow-plugs-for-ford-7-3l-powerstroke-8-piece-oem-set-1995-2003-oem-fit-cold-start-reliability","provider":"North Trail Auto","version":"1.0","type":"link"}