{"product_id":"docs-diesel-fuel-filter-dgf429-replaces-tp1015-fits-gm-duramax-6-6l-2017-2019-3-0l-2020","title":"Doc's Diesel Fuel Filter DGF429 | Replaces TP1015; Fits GM Duramax 6.6L (2017–2019) \u0026 3.0L (2020+)","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eDoc's Diesel Fuel Filter DGF429 is designed to help shield your fuel system from common contaminants that can affect performance. By separating water, dirt, rust, and debris from fuel, the filter supports clean fuel delivery and helps maintain steady engine operation under demanding conditions. With a focus on robust filtration media, the unit is engineered to maximize surface area for efficient filtration and reliable service. Each filter includes the necessary seals to simplify installation and ensure a proper fit right out of the box.\u003c\/p\u003e\n\u003cp\u003eIn real-world use, drivers often notice how a well-filtrated fuel stream can contribute to smoother starts, predictable throttle response, and consistent performance during long drives or heavy-duty use. While results can vary by vehicle and driving conditions, the DGF429 is built to support the goal of clean fuel delivery and dependable maintenance intervals.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits and features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves contaminants such as water, dirt, rust, and debris to help protect fuel system components.\u003c\/li\u003e\n  \u003cli\u003eMaximizes filtration media surface area for thorough filtration across fuel flow paths.\u003c\/li\u003e\n  \u003cli\u003e3 micron filtration with a 96.92% efficiency rating in third‑party testing, indicating strong filtration performance.\u003c\/li\u003e\n  \u003cli\u003eIncludes o-rings as needed to facilitate a secure seal and easier installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInterchange, fitment, and testing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInterchange: Replaces AC\/Delco TP1015, Wix WF10451, Premium Guard DF99173, Purolator F21393.\u003c\/li\u003e\n  \u003cli\u003eFitment: Compatible with 2017–2019 Chevrolet\/GMC 6.6L Duramax 2500HD, 3500HD and 2020–2025 Chevrolet\/GMC 3.0L Duramax 2500HD, 3500HD.\u003c\/li\u003e\n  \u003cli\u003eThird‑party tested: 3 micron with an efficiency rating of 96.92%.\u003c\/li\u003e\n  \u003cli\u003eReplacement guidelines: Change according to your vehicle manufacturer warranty; typically every 5,000–10,000 miles, with a 15,000 miles maximum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGuidance for use\u003c\/h3\u003e\n\u003cp\u003eFor best results, plan filter replacements alongside routine maintenance so fuel delivery remains consistent, especially during long trips or frequent hauling. The DGF429 is designed to integrate smoothly with the listed Duramax configurations and to simplify cross‑brand replacements where applicable.\u003c\/p\u003e\n\n\u003ch3\u003eWho should consider this filter\u003c\/h3\u003e\n\u003cp\u003eDrivers who rely on diesel-powered pickups for heavy loads, daily commuting, or extended highway journeys may find value in a filtration solution that emphasizes debris removal, robust media, and dependable seals. The DGF429 focuses on filtration efficiency and compatible interchange, offering a ready option for those seeking a straightforward replacement without sacrificing filtration quality.\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: Which vehicles are compatible with Doc's DGF429?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with 2017–2019 Chevy\/GMC 6.6L Duramax 2500HD\/3500HD and 2020+ 3.0L Duramax 2500HD\/3500HD.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the DGF429 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow your vehicle’s warranty; typically every 5,000–10,000 miles, up to 15,000 miles maximum.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Doc's Auto Parts","offers":[{"title":"Default Title","offer_id":42470843646037,"sku":"B08L6X4X51","price":43.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/docs-diesel-filter-dgf429-packaging.jpg?v=1778151948","url":"https:\/\/plentytorque.co.uk\/products\/docs-diesel-fuel-filter-dgf429-replaces-tp1015-fits-gm-duramax-6-6l-2017-2019-3-0l-2020","provider":"PlentyTorque","version":"1.0","type":"link"}