{"title":"6.6L Duramax Tuner Harness Plug Kit 2011-2023","description":"\u003ch2\u003e6.6L Duramax Tuner Harness Plug Kits\u003c\/h2\u003e\n\u003cp\u003eWhen you are choosing a duramax tuner harness plug, start with the engine code and the year range shown in the listing. This collection covers tuner harness plug kits listed for 6.6L LML Duramax GM applications from 2011-2016 and 6.6L L5P Duramax Chevy GMC applications from 2017-2023.\u003c\/p\u003e\n\u003cp\u003eCompare the two kits by the product title, engine designation, vehicle wording, and listed year range before ordering. Because these are tuner-related harness plug kits, they are intended only for off-road use, and buyers should check applicable local regulations before purchasing.\u003c\/p\u003e\n\u003ch3\u003eMatch the Listing to Your Truck\u003c\/h3\u003e\n\u003cp\u003eThe key selection point is not just that the truck has a 6.6L Duramax. One listing is for LML applications, while the other is for L5P applications, so use the product page to confirm the exact fitment notes before adding a kit to your cart.\u003c\/p\u003e\n\u003cp\u003eIf the title or product page gives vehicle wording such as GM or Chevy GMC, treat that as part of the fitment check. Do not assume a kit crosses over unless the individual listing supports it.\u003c\/p\u003e\n\u003ch3\u003eCheck These Details Before You Order\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSeparate the kits by the engine code shown in the product title, LML or L5P.\u003c\/li\u003e\n  \u003cli\u003eConfirm the listed year range matches the truck you are shopping for.\u003c\/li\u003e\n  \u003cli\u003eReview the vehicle model wording on the individual product page.\u003c\/li\u003e\n  \u003cli\u003eCheck the product page for any included parts or application notes not shown in the collection view.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompare Available Kits\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProduct\u003c\/th\u003e\n      \u003cth\u003eEngine\u003c\/th\u003e\n      \u003cth\u003eVehicle Model\u003c\/th\u003e\n      \u003cth\u003eYear Range\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTuner Harness Plug Kit for 6.6L L5P Duramax Chevy GMC (2017-2023) Replace for Shibby Engineering\u003c\/td\u003e\n      \u003ctd\u003e6.6L L5P Duramax\u003c\/td\u003e\n      \u003ctd\u003eChevy GMC\u003c\/td\u003e\n      \u003ctd\u003e2017-2023\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTuner Harness Plug Kit for LML 6.6L Duramax SHIBBY ENGINEERING 2011-2016 GM\u003c\/td\u003e\n      \u003ctd\u003eLML 6.6L Duramax\u003c\/td\u003e\n      \u003ctd\u003eGM\u003c\/td\u003e\n      \u003ctd\u003e2011-2016\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eU.S. Shipping:\u003c\/strong\u003e Free shipping is available within the United States except Alaska, Hawaii, Puerto Rico, the Virgin Islands, Guam, and the Marshall Islands. Delivery timing depends on location and inventory.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e45-Day Returns:\u003c\/strong\u003e Unused products may be returned within 45 days of delivery when the Return \u0026amp; Exchange Policy conditions are met. Return shipping responsibility depends on the reason for the return.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Check the individual product page for any applicable warranty terms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer Support:\u003c\/strong\u003e Use the Contact Us page for order or product questions during published Monday-Friday business hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShop duramax tuner harness plug kits and verify the product page before you buy.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which trucks are represented in this collection?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This collection includes one tuner harness plug kit title for LML 6.6L Duramax GM applications from 2011-2016 and one title for 6.6L L5P Duramax Chevy GMC applications from 2017-2023. Use those year ranges as product-level boundaries, then open the individual listing to confirm the full fitment notes before ordering.\"}},{\"@type\":\"Question\",\"name\":\"How do I choose between the LML and L5P listings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Start with the engine code shown for your truck. The LML listing and the L5P listing are separate, so do not select by displacement alone. Match the year range, engine designation, and vehicle wording in the product title, then review the product page for any additional application notes.\"}},{\"@type\":\"Question\",\"name\":\"What is a duramax tuner harness plug kit used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The supplied product titles identify these as tuner-related harness plug kits for specific 6.6L Duramax applications. The titles do not state performance results, included electronics, connector style, or installation requirements. Treat the collection as a fitment-based shopping category and check the individual product page for the exact kit details.\"}},{\"@type\":\"Question\",\"name\":\"Can I assume a 2017-2023 kit also fits an earlier LML truck?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The 2017-2023 listing is tied to 6.6L L5P Duramax Chevy GMC wording, while the 2011-2016 listing is tied to LML 6.6L Duramax GM wording. Do not carry one year range or engine code over to the other product unless the individual product page clearly supports it.\"}},{\"@type\":\"Question\",\"name\":\"What details should I verify before adding a kit to the cart?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Check the engine code, listed year range, vehicle wording, and any connector or configuration notes shown on the product page. If your truck information does not match the listing cleanly, use the Contact Us page during published Monday-Friday business hours for help reviewing the available product information.\"}},{\"@type\":\"Question\",\"name\":\"Do these listings include material or installation information?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The supplied product titles do not state materials, tools, installation steps, or setup time. Because those details are not shown at the collection level, use the individual product page for the most specific information available. Do not assume included components or installation requirements from the collection title alone.\"}},{\"@type\":\"Question\",\"name\":\"Are these tuner harness plug kits for street use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because these are tuner-related harness plug kits, they are intended only for off-road use. Buyers should check applicable local regulations before purchasing. The collection information does not establish emissions compliance, tuning requirements, or vehicle inspection status, so confirm legal use for your application before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Do I need tuning or programming with these products?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The product titles show tuner harness plug kits, but they do not provide programming instructions or identify a required tuning device. Review the individual product page for any setup notes that are actually listed. If the page does not state a programming requirement, do not assume one from the collection name.\"}},{\"@type\":\"Question\",\"name\":\"What is the return, warranty, and support policy?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Unused products may be returned within 45 days of delivery when the Return \u0026 Exchange Policy conditions are met. Return shipping responsibility depends on the reason for the return. Review the current policy and use the Contact Us page for assistance. Check the individual product page for any applicable warranty terms.\"}}]}\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 6.6L L5P Duramax Chevy GMC (2017-2023) Replace for Shibby Engineering","description":"\u003ctable border=\"0\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eBrand\u003c\/th\u003e\n            \u003cth\u003eModel\u003c\/th\u003e\n            \u003cth\u003eYear\u003c\/th\u003e\n            \u003cth\u003eEngine Model\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eChevy\u003c\/td\u003e\n            \u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n            \u003ctd\u003e2017-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5P Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eChevy\u003c\/td\u003e\n            \u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n            \u003ctd\u003e2017-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5P Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eGMC\u003c\/td\u003e\n            \u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n            \u003ctd\u003e2017-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5P Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eGMC\u003c\/td\u003e\n            \u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n            \u003ctd\u003e2017-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5P Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eChevy\u003c\/td\u003e\n            \u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n            \u003ctd\u003e2019-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5D Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eGMC\u003c\/td\u003e\n            \u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n            \u003ctd\u003e2019-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5D Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eChevy\u003c\/td\u003e\n            \u003ctd\u003eSilverado 4500 HD\u003c\/td\u003e\n            \u003ctd\u003e2019-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5D Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eGMC\u003c\/td\u003e\n            \u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n            \u003ctd\u003e2019-2023\u003c\/td\u003e\n            \u003ctd\u003e6.6L L5D Duramax\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e✅ Exact Fitment Guarantee: If you are unsure about compatibility, contact us at \u003ca rel=\"noopener\" href=\"mailto:service@egrperformance.com\" target=\"_blank\"\u003eservice@egrperformance.com\u003c\/a\u003e with your VIN.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eThis\u003cstrong\u003e \u003c\/strong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.egrperformance.com\/collections\/tuner-harness-plug-kit\" target=\"_blank\"\u003eTuner Harness Plug Kit\u003c\/a\u003e protects exposed DPF\/EGR wiring connectors after emissions modifications.\u003c\/li\u003e\n\u003cli\u003eDesigned for 2017-2023 Chevy Silverado 2500 HD and GMC Sierra 3500 HD with 6.6L L5P Duramax engines.\u003c\/li\u003e\n\u003cli\u003eFactory-style snap-in caps deliver \u003cstrong\u003e100% weatherproof sealing\u003c\/strong\u003e against moisture, dirt, and corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep reading about this \u003ca rel=\"noopener\" href=\"https:\/\/www.egrperformance.com\/collections\/6-6l-duramax-l5p-2017-present\" target=\"_blank\"\u003eL5P performance part\u003c\/a\u003e to learn about full features, fitment, and installation details.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EGR Performance","offers":[{"title":"Default Title","offer_id":50885652480315,"sku":"JW-EP-194","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0284\/6448\/0316\/files\/Tuner_Harness_Plug_Kit_for_6.6L_L5P_Duramax_Chevy_GMC.jpg?v=1782870990"}],"url":"https:\/\/www.egrperformance.com\/collections\/duramax-tuner-harness-plug.oembed","provider":"EGR Performance","version":"1.0","type":"link"}