--- product_id: 47821852 title: "IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay" brand: "iztoss" price: "$71.81" currency: USD in_stock: true reviews_count: 13 category: "Iztoss" url: https://www.desertcart.us/products/47821852-iztoss-21-slot-relay-box-7-relays-9-atc-ato store_origin: US region: United States of America --- # 40A max current rating Snap-fit easy installation Supports 5 relays + 6 blade fuses IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay **Brand:** iztoss **Price:** $71.81 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride with precision and style — never settle for less! ## Quick Answers - **What is this?** IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay by iztoss - **How much does it cost?** $71.81 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/47821852-iztoss-21-slot-relay-box-7-relays-9-atc-ato) ## Best For - iztoss enthusiasts ## Why This Product - Trusted iztoss brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Mounting Legs:** Engineered to fit snugly in angular engine bays or trunk spaces for a seamless OEM look. - • **Power-packed 40A Capacity:** Handles high current loads with ease for reliable automotive and marine performance. - • **Durable OEM-Style Protection:** Keeps your engine bay tidy and components secure with a rugged, factory-quality enclosure. - • **Complete Relay & Fuse Compatibility:** Supports Bosch-style 5-pin and 4-pin relays plus 6 blade fuses for ultimate flexibility. - • **Snap-Fit Design for Effortless Access:** Quickly swap relays and fuses without hassle, saving you time and frustration. ## Overview The IZTOSS 12-Slot Relay Box is a robust 12V, 40A rated automotive and marine relay and fuse organizer. It supports up to 5 Bosch-style relays and 6 blade fuses, featuring a snap-fit cover for easy maintenance and versatile mounting legs designed for modern vehicle engine bays. This durable relay box ensures a clean, factory-grade look while providing reliable electrical protection and effortless installation. ## Description Product description Mounts on angled, sloped and flat surfaces Most modern vehicles have engine bays or trunk spaces with angled or sloping surfaces, making it difficult to mount many other relay boxes. To enable trouble-free mounting on these surfaces, we engineered our relay block with uneven mounting supports. Alternatively, the included rubber spacer lets you mount the fuse relay box on flat surfaces. Whether you’re searching for a relay and fuse storage solution for your automotive or marine application, clean up the clutter and protect your investment with the Relay and Fuse Box. Step 1 Crimp inclued metallic pins to wires.(Wires are not included) Step 2 Place crimped wires into the desired slots from the back of the relay box.Once placed,it cannot be removed. Step 3 Direct wires through cable opening hole and close the back lid.Cover wires with wire looms if necessary. The ultimate storage solution for your vehicle’s relays and fuses With the capacity to house up to 7 relays, and 9 ATO/ATC blade fuses, this versatile relay box delivers unparalleled protection for the fuses and relays in your truck, SUV, car, bike or boat. Hassle-free maintenance Our user-friendly relay block has easy-to-use snap-fit clips, allowing quick access to relays, fuses and wires. Simply crimp your wires to the included metallic pins, place them into the desired slots located on the backside of the relay box, and direct the wires to the cable opening holes and snap the lid shut. ## Features - SUPPORTS RELAYS & FUSES- Safely stores up to 7x Relays (compatible with 0.25" Pins), and (9x) middle size blade fuse (ATC, ATO).including 2 Pieces 4-pins relays and 10 Pieces ATC/ATO Fuses (5A*2,10A*2,15A*2,20A*2,25A,30A). - ACCESSORIES INCLUDED- Metallic pins are included so you can effortlessly swap out relays and fuses from the back of the fuse relay box. - INSTALLATION IS A SNAP- The Snap-Fit upper and lower cover cases allow easy access for relays, fuses, and wires. - VERSATILE MOUNTING OPTIONS- Since most modern vehicles have angular/sloping engine bays or trunk areas, we engineered the mounting legs to snugly adhere to these surfaces; a rubber spacer is also included so you can mount the automotive relay box on flat surfaces too. - OEM-STYLE PROTECTION- Tidy up your vehicle's engine bay by securely stowing away your relays and fuses in this sturdy relay box for a clean factory look backed by unbeatable protection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07FL14QB3 | | Best Sellers Rank | #3,989,005 in Automotive ( See Top 100 in Automotive ) #1,588 in Automotive Replacement Fuse Holders | | Brand | IZTOSS | | Brand Name | IZTOSS | | Connector Type | Crimp | | Contact Current Rating | 30 Amps | | Contact Type | Normally Open | | Current Rating | 30 Amps | | Customer Reviews | 4.1 out of 5 stars 271 Reviews | | Manufacturer | IZTOSS | | Mounting Type | Surface Mount | | Operation Mode | Automatic | | Part Number | F4010-Z | ## Product Details - **Connector Type:** Solder - **Current Rating:** 40 Amps - **Brand:** IZTOSS - **Operation Mode:** Automatic - **Coil Voltage:** 12 Volts ## Images ![IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay - Image 1](https://m.media-amazon.com/images/I/81O9urwwC-S.jpg) ![IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay - Image 2](https://m.media-amazon.com/images/I/81JgCssykyL.jpg) ![IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay - Image 3](https://m.media-amazon.com/images/I/71jX0Q-+lNL.jpg) ![IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay - Image 4](https://m.media-amazon.com/images/I/81jw9x1af6L.jpg) ![IZTOSS 21-Slot Relay Box 7 Relays,9 ATC/ATO Fuses Holder with Metallic Pins and Relays Fuses for Automotive and Marine Engine Bay - Image 5](https://m.media-amazon.com/images/I/81hn-8hHqHL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by N***E on May 13, 2022* ### ⭐⭐⭐⭐⭐ Review *by M***E on November 2, 2021* ### ⭐⭐⭐⭐ Review *by D***E on January 11, 2020* --- ## 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.us/products/47821852-iztoss-21-slot-relay-box-7-relays-9-atc-ato](https://www.desertcart.us/products/47821852-iztoss-21-slot-relay-box-7-relays-9-atc-ato) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*