--- product_id: 421218011 title: "Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off)" brand: "american volt" price: "S$60" currency: SGD in_stock: true reviews_count: 8 category: "American Volt" url: https://www.desertcart.sg/products/421218011-automotive-engine-radiator-in-line-hose-fitting-adapter-water-temperature store_origin: SG region: Singapore --- # 15A rated electric fan switch Universal 38mm hose inline adapter fit Precise 180°F ON / 165°F OFF temp control Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) **Brand:** american volt **Price:** S$60 **Availability:** ✅ In Stock ## Summary > 🌟 Stay cool, stay ahead — your engine’s new best friend! ## Quick Answers - **What is this?** Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) by american volt - **How much does it cost?** S$60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/421218011-automotive-engine-radiator-in-line-hose-fitting-adapter-water-temperature) ## Best For - american volt enthusiasts ## Why This Product - Trusted american volt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Thermal Control:** Automatically activates your cooling fan at 180°F and shuts off at 165°F to optimize engine temperature and performance. - • **Trusted Brand & Support:** American Volt quality with responsive customer service ensures your upgrade is hassle-free and dependable. - • **Durable & Reliable Build:** Constructed with aluminum contacts and IP54 protection rating for long-lasting, corrosion-resistant operation. - • **Multi-Fluid Compatibility:** Accurately measures temperature in water, coolant, and oil, making it perfect for all automotive cooling systems. - • **Universal Fit & Easy Install:** 38mm inline hose adapter with 1/8 inch NPT port mounts anywhere on radiator or condenser hoses for seamless integration. ## Overview The American Volt Automotive Engine Radiator In-Line Hose Fitting Adapter is a universal 38mm inline thermostat sensor switch designed to activate electric cooling fans at 180°F and deactivate at 165°F. Featuring a 1/8 inch NPT port, aluminum contacts, and IP54 protection, it mounts easily on radiator or condenser hoses and works with water, coolant, and oil. Rated for 15A and compatible with 12V vehicle systems, this kit ensures precise temperature control and reliable fan operation for enhanced engine cooling performance. ## Description American Volt radiator hose in-line fitting and 1/8 inch NPT port. Fixed turn-on electric cooling fan thermostat sensor switch. Circuit closes at turn-on temperature and grounds your fan. Turn-off temperature is always 15 degrees less than turn-on. Mounts anywhere along the radiator or condenser hose line. Measures all fluid/liquid including water, coolant and oil. Universal for any car, truck, automotive or hot rod project. Review: Recommend it. - Perfect fit for my coolant hose and works just fine. Review: Sensor had slight issue, but seller solved my problem. - Adapter is great quality. Only issue is have is the sensor seems to have an intermittent connection issue. The blade connector coming through the black resin is loose and slightly moves causing two issues, a coolant leak and the fans to kick on and off. **Edited rating. The seller quickly resolved my issue and sent out a replacement temp sensor to fix my issue. Thanks again! ## Features - Universal radiator hose in-line fitting and 1/8 inch NPT port. - Fixed turn-on electric cooling fan thermostat sensor switch. - Circuit closes at turn-on temperature and grounds your fan. - Mounts anywhere along the radiator or condenser hose line. - Measures all fluid/liquid including water, coolant and oil. - Part number: AV-TXXFXX ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B091DS1KXV | | Best Sellers Rank | #57,677 in Automotive ( See Top 100 in Automotive ) #38 in Automotive Replacement Coolant Temperature Sensors #1,142 in Automotive Replacement Engine Cooling & Climate Control | | Brand | American Volt | | Brand Name | American Volt | | Circuit Type | 1-way | | Color | 180'F On - 165'F Off | | Compatible Devices | Vehicles with 12V electrical system and radiator/condenser hose line | | Compatible with Vehicle Type | All of the above | | Connectivity Protocol | X-10 | | Connector Type | Adapter | | Contact Material | Aluminum | | Contact Type | Normally Open | | Control Method | Sensor | | Control Type | Power | | Current Rating | 15 A | | Customer Reviews | 4.3 out of 5 stars 114 Reviews | | Included Components | Hose Adapter, Hose Clamps, Thermostat Switch | | International Protection Rating | IP54 | | Lower Temperature Rating | 165 °F | | Manufacturer | American Volt | | Material Type | Aluminum | | Model | AV-TXXFXX | | Mounting Type | Hose Line Mount | | Number of Items | 1 | | Number of Positions | 1 | | Operating Voltage | 12 volts | | Operation Mode | ON-OFF | | Part Number | AV-TXXFXX | | Specification Met | CE, ETL, REACH, RoHS, WEEE | | Switch Type | Temperature Switch | | Terminal | Screw | | Unit Count | 1 Count | | Upper Temperature Rating | 180 °F | ## Product Details - **Brand:** American Volt - **Circuit Type:** 1-way - **Connector Type:** Adapter - **Contact Type:** Normally Open - **Current Rating:** 15 A - **Material:** Aluminum - **Operating Voltage:** 12 volts - **Operation Mode:** ON-OFF - **Switch Type:** Temperature Switch - **Terminal:** Screw ## Images ![Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) - Image 1](https://m.media-amazon.com/images/I/51JRBaBEM-L.jpg) ![Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) - Image 2](https://m.media-amazon.com/images/I/519ndqbZkVL.jpg) ![Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) - Image 3](https://m.media-amazon.com/images/I/61O0xHOBriL.jpg) ![Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) - Image 4](https://m.media-amazon.com/images/I/51zrzPCSMBL.jpg) ![Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (38mm, 180'F On - 165'F Off) - Image 5](https://m.media-amazon.com/images/I/516qy-DHY+L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Recommend it. *by F***. on October 13, 2026* Perfect fit for my coolant hose and works just fine. ### ⭐⭐⭐⭐⭐ Sensor had slight issue, but seller solved my problem. *by M***E on October 26, 2025* Adapter is great quality. Only issue is have is the sensor seems to have an intermittent connection issue. The blade connector coming through the black resin is loose and slightly moves causing two issues, a coolant leak and the fans to kick on and off. **Edited rating. The seller quickly resolved my issue and sent out a replacement temp sensor to fix my issue. Thanks again! ### ⭐⭐⭐⭐⭐ 10/10 *by A***5 on July 26, 2026* Functional. 10 out of 10. --- ## 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.sg/products/421218011-automotive-engine-radiator-in-line-hose-fitting-adapter-water-temperature](https://www.desertcart.sg/products/421218011-automotive-engine-radiator-in-line-hose-fitting-adapter-water-temperature) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-24*