{"product_id":"engine-block-heater-for-dodge-durango-2004-2009-5-7l-hemi","title":"Engine Block Heater for Dodge Durango (2004-2009) 5.7L Hemi","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eCold-Weather Engine Block Heater for 2004-2009 Dodge Durango (HB)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Engine Block Heater installs directly into the cylinder block core port of the 2004-2009 Dodge Durango to preheat engine coolant, guaranteeing rapid oil pressure stabilization and reduced cold-start valvetrain wear in sub-zero temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Dodge Durango Cold-Start Vulnerability\u003c\/h3\u003e\n\u003cp\u003eDuring freezing ambient cycles, the cast-iron block and aluminum cylinder heads of the \u003cstrong\u003e5.7L Hemi\u003c\/strong\u003e cause motor oil to thicken substantially, delaying hydrodynamic lubrication to the overhead camshaft and hydraulic roller lifters. This delayed circulation starves the valvetrain during the initial cranking phase, accelerating cam lobe scoring and placing parasitic torque loads on the starter motor and charging system of the \u003cstrong\u003eHB\u003c\/strong\u003e chassis.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis immersion-style heating unit utilizes a precision-machined brass thermal element seated directly within the engine coolant jacket. Operating at 600 watts on standard 120-volt AC current, it drives convective thermal transfer throughout the cooling passages, warming the block evenly without localized hot spots. The assembly features a high-temp, abrasion-resistant 7-foot wiring harness designed to withstand road debris and chassis vibration while isolating electrical connections from thermal exhaust radiation.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2004-2009 Dodge Durango\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e5.7L Hemi V8 \/ HB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e335-376 hp \/ 370-401 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004-2009 Dodge Durango Limited (5.7L Hemi V8)\u003c\/li\u003e\n  \u003cli\u003e2004-2009 Dodge Durango SLT (5.7L Hemi V8)\u003c\/li\u003e\n  \u003cli\u003e2004-2005 Dodge Durango ST (5.7L Hemi V8)\u003c\/li\u003e\n  \u003cli\u003e2006-2009 Dodge Durango Adventurer (5.7L Hemi V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the HB Durango?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2004-2009 Dodge Durango equipped with the 5.7L Hemi engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this unit require draining the cooling system for installation?\u003c\/h4\u003e\n\u003cp\u003eYes, removing the engine block core plug requires a partial coolant drain to install the immersion element securely.\u003c\/p\u003e\n\n\u003ch3\u003eThe Dodge Truck Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle severe winter duty, this immersion heater maintains optimal oil viscosity for immediate lubrication under heavy towing and utility demands.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67540372750584,"sku":"DS-E0YNPVK8L","price":175.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/engine-block-heater-for-dodge-durango-2004-2009-5-7l-hemi-1.jpg?v=1790659412","url":"https:\/\/performancechiptuning.com\/es\/products\/engine-block-heater-for-dodge-durango-2004-2009-5-7l-hemi","provider":"Performance Chip Tuning","version":"1.0","type":"link"}