{"product_id":"yoursme-duramax-injector-puller-tube-remover-kit-6-6l-gm-2001-2021-hardened-steel-corrosion-resistant","title":"Yoursme Duramax Injector Puller \u0026 Tube Remover Kit — 6.6L GM 2001–2021, hardened steel, corrosion-resistant","description":"\u003cp\u003e\u003cstrong\u003eYoursme's 6778, 6779 injector pullers and 7222 tube remover\/installers are purpose-built steel tools for safely extracting and reinstalling injectors and tubes on GM 6.6L Duramax engines (2001–2021).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you service Duramax 6.6L engines, having the correct pullers and tube tools prevents damaged cups and speeds repair. This kit replaces factory service tool references J-44639, J-46594 and J-45910 in function, offering a corrosion-resistant, black-coated steel construction and a one-year warranty for dependable garage or shop use.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these tools prevent injector or cup damage during removal?\u003c\/h3\u003e\n\u003cp\u003eThe 6778 and 6779 injector pullers are engineered to grip and extract injectors without engaging the injector cup, while the 7222 tube remover separates the injector tube cleanly for service or replacement. Using the right contact points and leverage reduces flex or twisting that can crack delicate components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePurpose-shaped jaws and contact pads match Duramax injector geometry\u003c\/li\u003e\n  \u003cli\u003eSolid steel build avoids bending under torque\u003c\/li\u003e\n  \u003cli\u003eBlack surface coating reduces corrosion where clamps contact metal\u003c\/li\u003e\n  \u003cli\u003eDesigned to work with common press or slide extraction methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich model fits my Duramax year and what’s the overlap?\u003c\/h3\u003e\n\u003cp\u003eFitment is split by model number: 6778 supports GM Duramax 6.6L from 2001–2004, 6779 covers 2005–2011, and the 7222 tube remover fits 2001–2021 applications. Review engine year and cylinder head style before ordering to match the correct puller and ensure tube compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6778 — GM Duramax 6.6L engines 2001–2004\u003c\/li\u003e\n  \u003cli\u003e6779 — GM Duramax 6.6L engines 2005–2011\u003c\/li\u003e\n  \u003cli\u003e7222 tube remover\/installer — fits 2001–2021 Duramax 6.6L\u003c\/li\u003e\n  \u003cli\u003eReplaces functions of J-44639, J-46594 and J-45910\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect from these tools?\u003c\/h3\u003e\n\u003cp\u003eAll components are manufactured from hardened steel with a black corrosion-resistant coating to withstand repeated shop use. The finish resists rust and provides long-term protection while the solid construction minimizes deformation under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened steel construction for strength and stiffness\u003c\/li\u003e\n  \u003cli\u003eBlack protective coating reduces corrosion and wear\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined contact surfaces for repeatable alignment\u003c\/li\u003e\n  \u003cli\u003eMade for professional and home-shop environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these tools compatible with OEM service procedures?\u003c\/h3\u003e\n\u003cp\u003eYes — the 7222, 6778 and 6779 are designed to match the same function and performance as OEM-style service tools referenced by J-45910 and J-46594. They allow technicians to follow standard removal and installation techniques while saving cost over dealer tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMimics OEM tool geometries and extraction methods\u003c\/li\u003e\n  \u003cli\u003eSaves money compared with dealer-only service tools\u003c\/li\u003e\n  \u003cli\u003eWorks with common shop presses and hand tools for removal\u003c\/li\u003e\n  \u003cli\u003eIncludes one-year warranty and customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These Yoursme tools are for professional diesel mechanics, independent repair shops and knowledgeable DIYers who maintain GM 6.6L Duramax engines. If you routinely remove injectors or service injector tubes, these purpose-made pullers and tube remover\/installer tools reduce repair time, lower the risk of component damage, and replace costly OEM-only service tools with durable, workshop-ready alternatives.\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: Do these tools fit all 6.6L Duramax years?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 7222 tube tool fits 2001–2021. 6778 fits 2001–2004 and 6779 fits 2005–2011; match tool to your engine year.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is there a warranty if a tool fails?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, Yoursme provides a one-year warranty and reachable customer service for product support.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yoursme","offers":[{"title":"Default Title","offer_id":55168448430423,"sku":"B08222BKNX","price":47.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/yoursme-front-packaging-duramax-tools.jpg?v=1790404225","url":"https:\/\/britishgarage.co.uk\/products\/yoursme-duramax-injector-puller-tube-remover-kit-6-6l-gm-2001-2021-hardened-steel-corrosion-resistant","provider":"British Garage","version":"1.0","type":"link"}