--- 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: "€ 218.90" currency: EUR in_stock: true reviews_count: 13 category: "Saihisday" url: https://www.desertcart.hr/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash store_origin: HR region: Croatia --- # 12V power supply for universal compatibility 8A powerful blower motor for rapid warming 4 vent holes for efficient heat distribution Saihisday 12V Car Truck Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting **Brand:** saihisday **Price:** € 218.90 **Availability:** βœ… In Stock ## Summary > πŸ”₯ Defrost, heat, and conquer winter drives 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?** € 218.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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 - β€’ **Multi-Vent Airflow:** Four strategically placed vents ensure even warmth and clear windshields every drive. - β€’ **Winter-Ready Comfort:** Stay cozy with rapid heating and defrosting power that beats the chill. - β€’ **Energy-Smart Operation:** 12V, 8A power supply balances strong performance with efficient energy use. - β€’ **Sleek & Polished Design:** Modern, polished exterior blends seamlessly with your car’s interior for a professional look. - β€’ **Universal Fit, Effortless Install:** Compact underdash design fits most vehicles with a simple 5/8" water hose hookup. ## Overview The Saihisday 12V Car Auxiliary Heater is a compact, universal underdash heating solution featuring a powerful 8A blower motor and four vent holes for optimal heat distribution. Designed for easy installation with a 5/8" water hose, it efficiently defrosts and warms your vehicle’s interior, making it an essential winter accessory for any car. ## Description Buy Saihisday 12V Car Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting: Heaters - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases Review: Easy to install - Easy to install, works well, good value. Review: Definitely worth it for what it is - I installed this in my 1998 Chevy. S ten, it's only been in there for about a week.But for sixty two dollars.So far so good I had no heat in my pick up.And this works pretty well for what it is in a single cab. Pick up. It's definitely better than no heat. Especially for the price the noise level, it's fine, especially if you have no heat β˜†β˜†β˜†Also does come with the plastic hoseβ˜†β˜†β˜† ## 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 - 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 | #187,172 in Automotive ( See Top 100 in Automotive ) #35 in Automobile Interior Heaters | | Brand | Saihisday | | Customer Reviews | 4.1 4.1 out of 5 stars (126) | | Date First Available | June 14, 2022 | | Exterior | Polished | | Item Weight | 6.96 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 | 17.76 x 14.57 x 6.06 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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to install *by J***S on February 5, 2026* Easy to install, works well, good value. ### ⭐⭐⭐⭐⭐ Definitely worth it for what it is *by A***R on January 9, 2026* I installed this in my 1998 Chevy. S ten, it's only been in there for about a week.But for sixty two dollars.So far so good I had no heat in my pick up.And this works pretty well for what it is in a single cab. Pick up. It's definitely better than no heat. Especially for the price the noise level, it's fine, especially if you have no heat β˜†β˜†β˜†Also does come with the plastic hoseβ˜†β˜†β˜† ### ⭐⭐⭐⭐⭐ Well worth the money *by J***N on February 29, 2024* Hard to install but saved 100;s of dollars. ## 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash](https://www.desertcart.hr/products/473975250-saihisday-12v-car-truck-auxiliary-heater-4-ports-universal-underdash) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-08*