{"title":"Duramax Tuner Harness Plug Kits","description":"\u003ch2\u003eTuner Harness Plug Kits (Replacement for Shibby Engineering) - Duramax\u003c\/h2\u003e\n\u003cp\u003eShield your engine's sensitive electrical system with the \u003cstrong\u003ebest Duramax tuner harness plug kit\u003c\/strong\u003e on the market. Our collection featuring \u003cstrong\u003ereplacements for Shibby Engineering plug kits\u003c\/strong\u003e is a dedicated lineup of wiring solutions designed specifically for 6.6L Duramax trucks.\u003c\/p\u003e\n\u003cp\u003eWhether you are upgrading for more power or better towing, a \u003cstrong\u003eDuramax tuner harness\u003c\/strong\u003e ensures a clean, factory-style interface without the need for cutting or splicing OEM wires.\u003c\/p\u003e\n\n\u003ch3\u003eVehicle Fitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eSelect the correct \u003cstrong\u003eDuramax Tuner Harness Plug\u003c\/strong\u003e based on your specific GM platform:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.6 Duramax L5P (2017-2023):\u003c\/strong\u003e Silverado \u0026amp; Sierra 2500HD \/ 3500HD \/ 4500HD \/ 5500HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.6 Duramax LML (2011-2016):\u003c\/strong\u003e Silverado \u0026amp; Sierra 2500HD \/ 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnjoy \u003cstrong\u003eFree Shipping\u003c\/strong\u003e and a \u003cstrong\u003e45-day return policy\u003c\/strong\u003e on every order. Shop now to get the reliability your Duramax deserves!\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does a Duramax tuner harness plug kit actually do?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A Duramax tuner harness provides a dedicated, weather-sealed interface for tuning hardware. It allows you to connect performance modules to your LML or L5P without damaging the factory Duramax systems, maintaining long-term electrical reliability.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which kit do I need for my Silverado 2500HD?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your truck is a 2011-2016 model, you will need the LML tuner harness plug kit. For 2017-2023 models, you require the L5P tuner harness plug kit. Both are designed to be the best tuner harness plug kit for their respective year ranges.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this replacement for the Shibby Duramax tuner harness plug kit difficult to install?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Most replacement Shibby-style plug kits are designed for plug-and-play installation. While you should follow professional wiring notes for routing, these Duramax tuner harness kits use OEM-style connectors that click directly into your factory harness.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these Duramax tuner harness kits compatible with all tuners?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Most Duramax tuner harness kits are designed to be universally compatible with common performance tuners, provided they use the standard OBDII or engine bay diagnostic interface.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I return the Duramax tuner harness kit if it doesn't fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes! We offer a 45-day return policy on every Duramax tuner harness kit. At EGR Performance, we want to ensure your truck gets the perfect fit for maximum performance.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","products":[{"product_id":"tuner-harness-plug-kit-lml-6-6l-duramax-2011-2016-gm","title":"Tuner Harness Plug Kit for LML 6.6L Duramax SHIBBY ENGINEERING 2011-2016 GM","description":"\u003cdiv data-slate-node=\"element\" style=\"position: relative;\"\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eWhen it comes to emissions modifications on your 2011 - 2016 GM\/Chevy 6.6L Duramax LML engine, protecting exposed wiring is crucial. The Duramax DPF Delete Plug Kit is the perfect answer.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Duramax DPF Delete Plug Kit (2011–2016) is specifically designed for GM\/Chevy 6.6L Duramax LML engines. After emissions modifications, there are often unused exhaust and EGR connectors left exposed. This kit comes to the rescue by sealing these connectors, effectively blocking out moisture, dirt, and debris. It gives your truck a clean, factory - style finish, especially when running performance or off - road calibrations.\u003c\/p\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTruck owners who have removed or modified emissions components such as the DPF, EGR, or exhaust system on their 2011 - 2016 GM\/Chevy 6.6L Duramax LML engines.\u003c\/li\u003e\n\u003cli\u003eThose who want to maintain a clean and professional appearance in the engine bay after making performance - enhancing or off - road modifications.\u003c\/li\u003e\n\u003cli\u003eIndividuals looking to prevent wiring damage caused by environmental factors after emissions modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"JomGorg","offers":[{"title":"Default Title","offer_id":50885650415931,"sku":"JW-EP-193","price":79.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0284\/6448\/0316\/files\/Tuner_Harness_Plug_Kit_for_LML_6.6L_Duramax_-_Front_View.jpg?v=1767838834"},{"product_id":"tuner-harness-plug-kit-gm-6-6l-l5p-duramax-2017-2023","title":"Tuner Harness Plug Kit for L5P 6.6L Duramax SHIBBY ENGINEERING 2017-2023 GM","description":"\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eWhen it comes to emissions modifications on your 2017 - 2023 GM\/Chevy 6.6L L5P and L5D engines, protecting exposed wiring is crucial. The Duramax DPF Delete Plug Kit is here to safeguard your truck's electrical system. After emissions modifications, unused exhaust and EGR connectors are left vulnerable to moisture, dirt, and debris. This kit steps in to seal those connectors, providing a clean, factory - style finish for trucks running performance or off - road calibrations.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis Tuner Harness Plug Kit is a must - have for diesel performance enthusiasts. It offers a reliable solution to prevent potential wiring damage caused by environmental factors. With two available manufacturers, Shibby Engineering and Black Bandit, customers have options. Black Bandit manufactures locally, enabling them to offer a more cost - effective price while maintaining high - quality build standards that meet the expectations of the diesel performance market.\u003c\/p\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTruck Owners with Emissions Modifications\u003c\/strong\u003e: If you've removed or modified DPF, EGR, or exhaust components on your 2017 - 2023 6.6L Duramax L5P or L5D truck, this kit is perfect for you. It protects the unused connectors created by these changes, ensuring the longevity of your wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff - Road and Performance Enthusiasts\u003c\/strong\u003e: For those who have calibrated their trucks for off - road use or enhanced performance, maintaining a clean and protected electrical system is essential. This kit helps achieve that by sealing open harness ends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"JomGorg","offers":[{"title":"Default Title","offer_id":50885652480315,"sku":"JW-EP-194","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0284\/6448\/0316\/files\/d0550f1b1d003efec236a161093d32de.jpg?v=1767167029"}],"url":"https:\/\/www.egrperformance.com\/collections\/duramax-tuner-harness-plug-kit.oembed","provider":"EGR Performance","version":"1.0","type":"link"}