--- product_id: 473975250 title: "Saihisday 12V Car Truck Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting" brand: "saihisday" price: "776.29 DT" currency: TND in_stock: true category: "Saihisday" url: https://www.desertcart.tn/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash store_origin: TN region: Tunisia --- # Powerful 12V heating motor Universal fit for cars & trucks 4 vent holes for optimal airflow Saihisday 12V Car Truck Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting **Brand:** saihisday **Price:** 776.29 DT **Availability:** ✅ In Stock ## Summary > ❄️🔥 Defrost, heat, and conquer winter roads in style! ## Quick Answers - **What is this?** Saihisday 12V Car Truck Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting by saihisday - **How much does it cost?** 776.29 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash) ## Best For - saihisday enthusiasts ## Why This Product - Trusted saihisday brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Underdash Fit:** Compact design fits seamlessly under dashboards in cars, trucks, and heavy machinery. - • **Winter-Ready Heat Power:** Stay warm with a robust 12V, 8A blower motor that melts frost fast. - • **Quad-Vent Airflow Control:** Four strategically placed vents deliver even heating and defrosting across your windshield. - • **Multi-Function Climate Control:** Effortlessly switch between heating, defrosting, and demisting for all winter conditions. - • **Easy Installation with Standard Hose:** Compatible with 5/8" water hoses (not included) for quick setup and reliable performance. ## Overview The Saihisday 12V Car Truck Auxiliary Heater is a compact, universal underdash heating solution designed for cars, trucks, and heavy equipment. Featuring a powerful 8A blower motor and four vent holes, it efficiently heats and defrosts your windshield, ensuring clear visibility and comfort during harsh winter conditions. Easy to install with standard 5/8" water hoses, this polished, front-positioned heater is a must-have for any winter driver seeking reliable warmth and safety. ## Description Buy Saihisday 12V Car Truck Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting: Heaters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Function: Designed with powerful blower motor and 4 vent holes, this car air conditioner is used as windscreen defroster, demister and heater in winter. Used for Car Truck Excavators Harvesters Minivans - Type: 4 Ports Universal Underdash Compact Auxiliary Heater; Voltage: 12V; Power Supply: 8A; Fitting Required: 5/8"(16 mm) inner diameter water hose (NOT included) - Switch Instruction 1: The red wire of the speed control switch is connected with positive pole of power supply and motor - Switch Instruction 2: The blue wire of the switch is connected with negative pole of motor - Switch Instruction 3: The black wire of the speed control is connected with negative pole of power supply ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B429F213 | | Best Sellers Rank | #59,867 in Automotive ( See Top 100 in Automotive ) #64 in Automobile Interior Heaters | | Brand | Saihisday | | Customer Reviews | 4.1 4.1 out of 5 stars (145) | | Date First Available | June 14, 2022 | | Exterior | Polished | | Item Weight | 7.04 pounds | | Item model number | 12V Car Auxiliary Heater | | Manufacturer | Saihisday | | Manufacturer Part Number | 12V Car Auxiliary Heater | | Model | 12V Car Auxiliary Heater | | OEM Part Number | 12V Car Auxiliary Heater | | Package Dimensions | 17.83 x 13.94 x 5.79 inches | | Position | Front | ## Images ![Saihisday 12V Car Truck Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting - Image 1](https://m.media-amazon.com/images/I/71Uahlc8KkL.jpg) ## Frequently Bought Together - Saihisday 12V Car Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting - 4Pcs Dashboard Air Conditioning Deflector Outlet Side Roof Vent - Mount Round Louvered Dash Vent Exhaust Grille for Car RV Boats Yacht - Black - EVIL ENERGY 5/8" Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 10FT Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash](https://www.desertcart.tn/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-20*