---
product_id: 534217065
title: "12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting"
brand: "saihisday"
price: "A$268"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/534217065-12v-car-auxiliary-heater-4-ports-car-fan-heater-winter
store_origin: AU
region: Australia
---

# 12V Power Supply 8A High-Power Heating 4 Vent Ports for Even Airflow 12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting

**Brand:** saihisday
**Price:** A$268
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay warm, drive smart — never miss a morning commute again! 🌬️

## Quick Answers

- **What is this?** 12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting by saihisday
- **How much does it cost?** A$268 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/534217065-12v-car-auxiliary-heater-4-ports-car-fan-heater-winter)

## 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

- • **Quad-Vent Design:** Four strategically placed vents ensure rapid, even heat distribution for total cabin comfort.
- • **Universal Fit & Control:** Compact 12V design fits most vehicles with a 5/8" water hose; speed control switch lets you customize airflow.
- • **Effortless Winter Warmth:** Powerful 8A blower motor heats and defrosts your windshield fast, so you never wait in the cold.
- • **Defrost & Demist Like a Pro:** Say goodbye to foggy windshields and icy windows with reliable, automotive-grade heating technology.
- • **All-Inclusive Installation Kit:** Comes with mounting brackets, fittings, air pipes, and clamps—everything you need to upgrade your ride.

## Overview

The Saihisday 12V Car Auxiliary Heater is a compact, powerful automotive heating solution featuring a 4-port vent system and an 8A blower motor. Designed for universal underdash installation, it efficiently heats and defrosts your vehicle’s windshield using a 12V power supply and requires a 5/8" water hose. Complete with a speed control switch and all necessary mounting hardware, it ensures quick, even warmth and clear visibility during cold weather drives.

## Description

Saihisday 12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting   Specifications: Type: Car Auxiliary Heater Hole Type: 4 Ports Voltage: 12V Power Supply: 8A Function: Heating&Defrosting Fitting Required: 5/8"(16mm) inner diameter water hose   Speed Control Switch Instructions: The red wire is connected with positive pole of power supply and motor. The blue wire is connected with negative pole of motor. The black wire is connected with negative pole of power supply.   Package Included: 1* Car Heater with 4 Ports 1* Speed Control Cwitch 2* Mounting Brackets 2* Straight Fittings 4* Black Air Condition Pipes 6* Water Hose Clamps

## 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 |
|---------------|-------|
| Manufacturer | Saihisday |
| Brand | Saihisday |
| Model | 12V Car Auxiliary Heater |
| Package Dimensions | 38.7 x 34.9 x 15.4 cm; 3.16 kg |
| Item model number | 12V Car Auxiliary Heater |
| Exterior | Polished |
| Manufacturer part number | 12V Car Auxiliary Heater |
| OEM Part Number | 12V Car Auxiliary Heater |
| Position | Front |
| Item Weight | 3.16 kg |

## Images

![12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting - Image 1](https://m.media-amazon.com/images/I/71Uahlc8KkL.jpg)
![12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting - Image 2](https://m.media-amazon.com/images/I/71P20AUOEfL.jpg)
![12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting - Image 3](https://m.media-amazon.com/images/I/714sb97dgTL.jpg)
![12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting - Image 4](https://m.media-amazon.com/images/I/71mLyVL8JVL.jpg)
![12V Car Auxiliary Heater, 4 Ports Car Fan Heater, Winter Automotive Air Conditioner for Heating&Defrosting - Image 5](https://m.media-amazon.com/images/I/61I8RsGzHtL.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.com.au/products/534217065-12v-car-auxiliary-heater-4-ports-car-fan-heater-winter](https://www.desertcart.com.au/products/534217065-12v-car-auxiliary-heater-4-ports-car-fan-heater-winter)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-26*