{"product_id":"espar-airtronic-d4-portable-mini-4kw-diesel-heater","title":"ESPAR Airtronic D4- Portable Mini 4kW Diesel Heater","description":"\u003cp\u003e\u003cstrong\u003eSparks Overland ESPAR Airtronic D4- Portable 4kW Mini Diesel Heater\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eBig heat. OEM toughness. Ultra-quiet refinement.\u003cbr\u003e\u003cbr\u003eWhen maximum heat and cold-weather reliability matter most, Espar sets the standard. The Sparks Overland Espar Airtronic D4 Portable Diesel Heater delivers powerful, whisper-quiet heat for overlanding, camping, van life, RVs, and demanding off-grid travel — using efficient, cold-weather-proven diesel fuel.\u003cbr\u003e\u003cbr\u003eThis high-output 4kW system pairs Espar’s legendary Airtronic D4 diesel heater — trusted by OEM vehicle manufacturers, military fleets, and professional expedition vehicles worldwide — with Sparks Overland’s hand-built stainless enclosure and premium components.\u003cbr\u003e\u003cbr\u003eBuilt for larger spaces, extreme cold, and users who demand OEM-grade power, durability, and silence — without compromise.\u003cbr\u003e\u003cbr\u003e• Up to 4.0 kW heat output\u003cbr\u003e• Genuine Espar Airtronic D4 (Diesel)\u003cbr\u003e• 2-Year Espar Warranty Included\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eProduction \u0026amp; Lead Time\u003c\/strong\u003e\u003cbr\u003eEach heater is hand-built with hours of skilled labor, quality control \u0026amp; rigorous testing.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003ePlease allow 4–6 weeks for production, plus shipping.\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eWhy Sparks Overland?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eBuilt the Right Way — Inside \u0026amp; Out\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eReal Metal Fuel Tank\u003c\/strong\u003e\u003cbr\u003eNo plastic. Ever. Our sealed, pressure-vented stainless steel fuel tank is safer, stronger, and built for long-term field use in harsh environments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDiesel-Optimized Fuel System\u003c\/strong\u003e\u003cbr\u003eDesigned specifically for diesel operation, with premium fuel lines and filtration to ensure clean combustion, reliable priming, and long service life — even in sustained sub-freezing conditions.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eA Proven ESPAR Core\u003c\/strong\u003e\u003cbr\u003ePowered by the Espar Airtronic D4, the professional-grade diesel heater trusted in OEM, military, and expedition applications where high output and absolute reliability are non-negotiable.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eUltra-Quiet Magnetic Fuel Pump\u003c\/strong\u003e\u003cbr\u003eEspar’s magnetic fuel pump dramatically reduces ticking noise compared to conventional solenoid pumps — making this one of the quietest high-output diesel heaters available, even at sustained output.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFull System Diagnostics\u003c\/strong\u003e\u003cbr\u003eAdvanced diagnostics and fault reporting provide real-time system insight, simplified servicing, and long-term reliability. This is a professional heating system, not a consumer gadget.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePremium Components Only\u003c\/strong\u003e\u003cbr\u003eStainless exhaust with muffler, sealed electrical connectors, high-quality fuel lines, and carefully selected hardware throughout. Built for durability — not cost cutting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFresh Air Combustion Design\u003c\/strong\u003e\u003cbr\u003eAll combustion air is drawn from outside the unit. No fumes, no odors, and no shared cabin air.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHand-Built in Colorado\u003c\/strong\u003e\u003cbr\u003eEvery Sparks Overland heater is built one at a time by skilled hands. No mass production. No shortcuts.\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e    •    1.9-gallon stainless steel fuel tank (flat design, pressure relief)\u003cbr\u003e    •    Espar Airtronic D4 diesel air heater\u003c\/p\u003e\u003cul\u003e\t\u003cli\u003e  Easy Start Pro Controller\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e    •    Mountable legs\u003cbr\u003e    •   Quick-connect duct + 27\" fully expanded ducting\u003cbr\u003e    •    12V cigarette-lighter power plug\u003cbr\u003e    •    Espar controller\u003cbr\u003e    •    Silicone fuel funnel\u003cbr\u003e    •    Accessory bag (cables \u0026amp; hardware)\u003cbr\u003e    •    Silicone air-intake travel cap\u003cbr\u003e    •    Instruction manual\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003ePower \u0026amp; Performance\u003c\/strong\u003e\u003cbr\u003e    •    Up to 4.0 kW heat output\u003cbr\u003e    •    Heated air volume up to 155 m³\/h\u003cbr\u003e    •    Wide modulation range from low to high output\u003cbr\u003e    •    Strong, consistent heat for large cabins and extreme winter conditions\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003cbr\u003e    •    Highly efficient heat exchanger\u003cbr\u003e    •    Extremely low diesel consumption for its output class\u003cbr\u003e    •    Optimized combustion for long run times and clean operation\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eQuiet Comfort\u003c\/strong\u003e\u003cbr\u003e    •    Whisper-quiet magnetic fuel pump\u003cbr\u003e    •    Smooth, balanced blower operation\u003cbr\u003e    •    Exceptionally low vibration for a 4kW diesel system\u003cbr\u003e    •    Designed for uninterrupted sleep, even in cold climates\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eUser-Friendly Control\u003c\/strong\u003e\u003cbr\u003e    •    Intuitive Espar controller interface\u003cbr\u003e    •    Real-time diagnostics and system feedback\u003cbr\u003e    •    Precise temperature regulation\u003cbr\u003e    •    Professional-grade service access\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003ePortability \u0026amp; Installation\u003c\/strong\u003e\u003cbr\u003e    •    Portable, self-contained design\u003cbr\u003e    •    Mounting brackets for fixed or mobile use\u003cbr\u003e    •    Ideal for large rooftop tents, vans, campers, trailers, and shelters\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003cbr\u003e    •    Overheat protection\u003cbr\u003e    •    Flame monitoring \u0026amp; automatic shutdown\u003cbr\u003e    •    Low-voltage protection\u003cbr\u003e    •    OEM-grade safety systems throughout\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eReliability\u003c\/strong\u003e\u003cbr\u003e    •    OEM Espar glow plug and internal components\u003cbr\u003e    •    Designed for continuous, multi-season operation\u003cbr\u003e    •    Long service life with full Espar global support\u003cbr\u003e    •    Trusted worldwide in commercial, military, and expedition use\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e    •    Heater Output: 4.0 kW (max) \/ ~1.0 kW (min)\u003cbr\u003e    •    Fuel Type: Diesel (EN590)\u003cbr\u003e    •    Fuel Consumption: ~0.12–0.49 L\/hr\u003cbr\u003e    •    Operating Voltage: 12V\u003cbr\u003e    •    Operating Temperature: Down to -40 °C \/ -40 °F\u003cbr\u003e    •    Dimensions: 20\" x 12\" x 12.5\" \u003cbr\u003e    •    Weight: 36 lbs \u003cbr\u003e    •    Fuel Tank: 1.9-gallon stainless steel\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eWhy Choose ESPAR?\u003c\/strong\u003e\u003cbr\u003eEspar heaters are the OEM and professional standard — selected by vehicle manufacturers, military fleets, and expedition builders who demand absolute reliability, ultra-quiet operation, and long-term serviceability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eChoose Espar if you want:\u003c\/strong\u003e\u003cbr\u003e    •    High-output diesel heat with extreme cold reliability\u003cbr\u003e    •    OEM-grade diagnostics and components\u003cbr\u003e    •    Long service life with worldwide support\u003cbr\u003e    •    A heater engineered for professionals, not hobbyists\u003cbr\u003e\u003cbr\u003eWhen paired with Sparks Overland’s stainless fuel system, hand-built enclosure, and premium components, the Espar Airtronic D4 becomes a top-tier portable diesel heating solution for serious cold-weather travelers who need real heat — done the right way.\u003c\/p\u003e","brand":"Sparks Overland","offers":[{"title":"NO","offer_id":55627991384137,"sku":null,"price":20.0,"currency_code":"USD","in_stock":false},{"title":"Yes +$34","offer_id":55627991416905,"sku":null,"price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/4137\/3513\/files\/e1e535_247a87b3f2434f7999a3d06424ba1710_mv2.jpg?v=1776101127","url":"https:\/\/www.sparksoverland.com\/products\/espar-airtronic-d4-portable-mini-4kw-diesel-heater","provider":"Sparks Overland","version":"1.0","type":"link"}