{"product_id":"motorcraft-7-3l-power-stroke-injector-o-ring-kit-set-of-8-oem-fit-high-temp-fuel-resistant-seals","title":"Motorcraft 7.3L Power Stroke Injector O-Ring Kit (Set of 8) — OEM-fit, High-Temp Fuel-Resistant Seals","description":"\u003cp\u003e\u003cstrong\u003eMotorcraft CM-5010 is an OEM-quality set of eight replacement O-ring seals engineered to restore reliable sealing on 7.3L diesel fuel injectors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese O-rings are manufactured to Motorcraft's original-equipment specifications and are tested to resist fuel, heat, and pressure typical of Ford 7.3L Power Stroke injector systems. The kit contains the specific sizes and materials matched to the injector interfaces, designed to prevent leaks and contamination that can affect performance. Each seal is produced and validated through lab and real-world testing for correct seating, resilience to temperature swings, and long-term durability in engine environments.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose OEM Motorcraft O-rings for a 7.3L injector service?\u003c\/h3\u003e\n\u003cp\u003eOEM-spec seals replicate the dimensions, material compound, and tolerances from the original manufacturer to ensure proper fit and function. Using Motorcraft parts avoids mismatches that can cause seepage, premature wear, or fuel-amplified degradation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact dimensions for 7.3L Power Stroke injector ports\u003c\/li\u003e\n  \u003cli\u003eCompound formulated to resist diesel, additives, heat, and oil\u003c\/li\u003e\n  \u003cli\u003eEngineered to seat correctly under injector clamping forces\u003c\/li\u003e\n  \u003cli\u003eSupplied as a complete set of eight for full-bank servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these O-rings perform under heat and pressure?\u003c\/h3\u003e\n\u003cp\u003eMotorcraft seals are tested across temperature and pressure extremes typical of diesel operation, ensuring they maintain sealing integrity during hot starts and sustained loads. Their elastomeric formulation resists hardening and extrusion that cause leaks over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-temperature tolerance to prevent shrinkage or cracking\u003c\/li\u003e\n  \u003cli\u003ePressure resistance to avoid blowouts at injection pressures\u003c\/li\u003e\n  \u003cli\u003eFlexibility to maintain contact across thermal cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and fitment?\u003c\/h3\u003e\n\u003cp\u003eEach O-ring is sized to slide into its respective injector groove and seal mating surfaces without stretching beyond limits. Proper lubrication and clean surfaces are recommended for an easy install and to prevent nicks that shorten seal life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Ford 7.3L Power Stroke injector applications made for the CM-5010 spec\u003c\/li\u003e\n  \u003cli\u003eInstall with compatible assembly lube or clean engine oil\u003c\/li\u003e\n  \u003cli\u003eInspect mating bores for corrosion or debris before seating\u003c\/li\u003e\n  \u003cli\u003eReplace all eight seals when servicing a bank for consistent sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect these replacement seals to last?\u003c\/h3\u003e\n\u003cp\u003eLongevity depends on operating conditions, fuel quality, and maintenance, but Motorcraft seals are formulated for extended service life compared with generic alternatives. Regular inspections during service intervals will help catch deterioration early and preserve injector performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for long-term resistance to fuel and heat-related aging\u003c\/li\u003e\n  \u003cli\u003eRegular maintenance and fuel filters extend seal life\u003c\/li\u003e\n  \u003cli\u003eReplace seals when symptoms like seepage or rough idle appear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: technicians, DIY diesel owners, and fleet managers working on Ford 7.3L Power Stroke engines who need a complete, OEM-quality set of injector O-rings. This Motorcraft CM-5010 kit suits routine injector servicing, rebuilds, or any scenario where reliable sealing and correct fit matter. Use it when replacing injectors, addressing minor leaks, or performing preventive maintenance to preserve fuel system integrity and avoid downstream contamination.\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: Are these O-rings compatible with all 7.3L Power Stroke injectors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — CM-5010 is made to Motorcraft OEM specifications for standard 7.3L Power Stroke injector fittings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I replace all eight seals at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing the full set is recommended to ensure consistent sealing and avoid mixed-age failures.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Motorcraft","offers":[{"title":"Default Title","offer_id":67585147404473,"sku":"B07SXJGZPF","price":261.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/motorcraft-cm-5010-front-packaging.jpg?v=1790468942","url":"https:\/\/redleafauto.ca\/products\/motorcraft-7-3l-power-stroke-injector-o-ring-kit-set-of-8-oem-fit-high-temp-fuel-resistant-seals","provider":"Redleaf Auto","version":"1.0","type":"link"}