--- product_id: 72975328 title: "Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat" brand: "gebildet" price: "¥6283" currency: JPY in_stock: true category: "Gebildet" url: https://www.desertcart.jp/products/72975328-gebildet-4pcs-jd1914-car-relay-harness-12v-40a-5-pin store_origin: JP region: Japan --- # 40A high current capacity 12V standard automotive voltage Built-in diode for voltage protection Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat **Brand:** gebildet **Price:** ¥6283 **Availability:** ✅ In Stock ## Summary > ⚡ Drive with confidence—rely on Gebildet’s high-performance relay harness! ## Quick Answers - **What is this?** Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat by gebildet - **How much does it cost?** ¥6283 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/72975328-gebildet-4pcs-jd1914-car-relay-harness-12v-40a-5-pin) ## Best For - gebildet enthusiasts ## Why This Product - Trusted gebildet brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durability That Lasts:** Engineered for 100,000 electrical and 10 million mechanical operations - • **Powerhouse Performance:** Handles up to 40A current for robust automotive applications - • **Seamless Compatibility:** Works flawlessly with all 12V DC vehicles and devices - • **Built-in Voltage Shield:** Integrated diode protects your electronics from harmful voltage spikes - • **Lightning-Fast Response:** Operates and releases in under 10 milliseconds for instant switching ## Overview The Gebildet 4pcs JD1914 Car Relay Harness is a compact, high-sensitivity 5-pin SPDT relay designed for 12V automotive systems. Featuring a robust 40A switching capacity, built-in diode for voltage spike protection, and silver alloy contacts with ultra-low resistance, it ensures reliable, lightning-fast switching. Rated for extreme temperatures (-40°C to +85°C) and engineered for longevity with up to 100,000 electrical cycles, this relay harness is perfect for trucks, vans, motorcycles, and boats demanding durable, efficient electrical control. ## Description Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source. Relay technical specification Relay load: 40A/12VDC Contact Resistance:≤ 100MΩ Contact Material: Ag Alloy Operate Time: ≤ 10ms Release Time: ≤10ms Insulation Resistance: 100MΩ/( 500VDC) Temperature Range: -40°C ~+85°C Humidity Range:35%-70% Life Expectancy Electrical: 100,000 Operations (at 30 Operations/min) Life Expectancy Mechanical: 10,000,000 Operations (at 300 Operations/min) ## Features - Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage. - Rated operational voltage: 12V/ Switching Capability:40A - Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA. - Small size/Low power consumption/High contact voltage/ High sensitivity - Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ. Life Expectancy Electrical: 100,000 Operations, Life Expectancy Mechanical: 10,000,000 Operations ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07BJZ5L5T | | Best Sellers Rank | 1,429 in Automotive ( See Top 100 in Automotive ) 2 in Car Relays | | Brand | Gebildet | | Coil Voltage | 12 Volts | | Connector Type | Wired Connector | | Contact Current Rating | 40 Amps | | Contact Material | Silver Alloy | | Contact Type | spdt | | Current Rating | 40 Amps | | Customer Reviews | 4.4 4.4 out of 5 stars (302) | | Manufacturer | Gebildet | | Manufacturer Part Number | DE128 | | Maximum Switching Current | 40 Amps | | Minimum Switching Voltage | 8 Volts (DC) | | Mounting Type | Surface Mount | | Operating Time | 0.01 Seconds | | Operation Mode | Automatic | | UPC | 646040294551 | | Unit Count | 140.0 gram | | Upper Temperature Rating | 85 Degrees Celsius | | Wattage | 480 watts | ## Product Details - **Connector type:** Wired Connector - **Contact material:** Silver Alloy - **Contact type:** spdt - **Current rating:** 40 Amps - **Mounting type:** Surface Mount ## Images ![Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat - Image 1](https://m.media-amazon.com/images/I/41-bapO-FLL.jpg) ![Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat - Image 2](https://m.media-amazon.com/images/I/41oc8IDODOL.jpg) ![Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat - Image 3](https://m.media-amazon.com/images/I/41BlqQ2V7-L.jpg) ![Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat - Image 4](https://m.media-amazon.com/images/I/417F45BFVTL.jpg) ![Gebildet 4pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT with Built-in Diode for Automotive Truck Van Motorcycle Boat - Image 5](https://m.media-amazon.com/images/I/41mlFhSDKkL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Gebildet Standard Auto Relay 12V 40A SPDT 5pin-Car Heavy Duty Switches & Starters, used for Auto Motor Automobile, with Black Waterproof Transparent Case. Pack of 4 - Inline Fuse Holder, 12 AWG Waterproof Blade Fuse Holders with Caps, Includes 30A Fuses, Copper Wire, Ideal for Car, Truck, Motorcycle, Boat (2) - VIABRICO 100FT 18 AWG Gauge Electrical Wire, DC 12V Hookup Red Black Copper Stranded Auto 2 Cord Low Voltage, Extension Cable with Spool for LED Ribbon Lamp Light --- ## 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.jp/products/72975328-gebildet-4pcs-jd1914-car-relay-harness-12v-40a-5-pin](https://www.desertcart.jp/products/72975328-gebildet-4pcs-jd1914-car-relay-harness-12v-40a-5-pin) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-27*