{"product_id":"engine-block-heater-for-cummins-b3-3-b3-3t-qsb3-3-3-3l-diesel-engines","title":"Engine Block Heater for Cummins B3.3 B3.3T QSB3.3 (3.3L) Diesel Engines","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eCold-Weather Starting Engine Block Heater for Cummins B3.3, B3.3T, QSB3.3 (Industrial Platforms)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Engine Block Heater directly warms coolant within the block of the \u003cstrong\u003eCummins B3.3, B3.3T, and QSB3.3\u003c\/strong\u003e to eliminate sub-zero hard starts, reduce battery draw, and prevent excessive cold-start cylinder wall wear.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Cummins B3.3, B3.3T, QSB3.3 Cold Start Challenge\u003c\/h3\u003e\n\u003cp\u003eIn sub-freezing temperatures, the cast-iron mass and indirect\/direct injection architecture of the \u003cstrong\u003eCummins B-Series 3.3L\u003c\/strong\u003e engine family suffer from severe heat sinking. Thickened 15W-40 diesel oil fails to reach critical journal bearings promptly on cold crank, leading to boundary lubrication friction, starter motor burnout, and unburnt diesel white smoke caused by low combustion chamber compression temperatures. Without active pre-heating, cold-cranking cycles accelerate parasitic starter drain and subject piston skirts to premature scuffing.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 400-watt immersion heating element mounts securely into a standard 40mm core bore on the left rear of the engine casting, submerging the copper element directly into the engine coolant circuit. Operating on standard 120V AC utility power, it initiates thermal siphon circulation throughout the cylinder water jackets, raising core engine block temperature prior to ignition. The included 5-foot weather-sealed power harness resists oil degradation, thermal cycling, and heavy industrial vibration encountered in severe construction and agricultural duty.\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: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\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;\"\u003eCummins B3.3, B3.3T, QSB3.3\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;\"\u003eB3.3 \/ QSB3.3 Tier 3\/4 Industrial\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;\"\u003e60-110 hp \/ 160-306 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\u003eCummins B3.3 Naturally Aspirated 3.3L 4-Cylinder Diesel Engines\u003c\/li\u003e\n  \u003cli\u003eCummins B3.3T Turbocharged 3.3L 4-Cylinder Diesel Engines\u003c\/li\u003e\n  \u003cli\u003eCummins QSB3.3 Electronic Common Rail 3.3L 4-Cylinder Diesel Engines\u003c\/li\u003e\n  \u003cli\u003eIndustrial, construction, and agricultural equipment utilizing 40mm core plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the Industrial Cummins B3.3, B3.3T, QSB3.3?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the Cummins B3.3, B3.3T, and QSB3.3 equipped with standard 40mm expansion plug bores.\u003c\/p\u003e\n\n\u003ch4\u003eWhere on the engine block does this freeze plug heater install?\u003c\/h4\u003e\n\u003cp\u003eIt installs directly into the 40mm freeze plug opening located on the left rear of the engine block.\u003c\/p\u003e\n\n\u003ch3\u003eThe Cummins Industrial Standard\u003c\/h3\u003e\n\u003cp\u003eCummins industrial diesels are engineered for continuous high-load service in severe environments; maintaining optimal operational cylinder temperatures with direct immersion block heating prevents cold-start cavitation, minimizes component fatigue, and guarantees fast turn-key reliability in the field.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67540432879864,"sku":"DS-ESA63R31A","price":70.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/engine-block-heater-for-cummins-b3-3-b3-3t-qsb3-3-3-3l-diesel-engines-1.jpg?v=1790659719","url":"https:\/\/performancechiptuning.com\/es\/products\/engine-block-heater-for-cummins-b3-3-b3-3t-qsb3-3-3-3l-diesel-engines","provider":"Performance Chip Tuning","version":"1.0","type":"link"}