Looking for the best relay box replacements? We’ve got you covered with top-rated, easy-to-install, and durable options for your car, boat, or DIY project.
Looking for the best relay box replacements? You’re in the right place! Whether it’s for your car, boat, or DIY project, we’ve got you covered. Our guide highlights top-rated options that are easy to install, durable, and reliable.
These replacements are built to last, protect your wiring, and simplify maintenance. Ready to upgrade? Let’s find the perfect fit for your needs!
List of Top 10 Relay Box Replacements
| Image | Title | Best For | Price |
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rva2alkl Control Box Well Pump Relay – 230V Replacement for Franklin Control Boxes (5-15HP) – Compatible with Part Numbers 155031102, 155031110, and 305213902 |
This control box is perfect for homeowners with well pumps who need a reliable replacement. It’s easy to install and works seamlessly with Franklin control boxes for 5 to 15 horsepower pumps. |
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DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal Relay Panel for Automotive Car Marine Boat |
This 12V relay box is perfect for anyone who needs to organize and protect their automotive, marine, or DIY wiring. It’s ideal for harsh environments and simplifies complex setups. |
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JAVOUKA Central Relay Fuse Box Fit for Axis 500 700, for Hisun 400 500 700 UTV ATV, for Coleman UT400 UT500 UT700, for Massimo MSU500, Fit for Cub Cadet Challenger 500/700# 37700-115-0000 |
This central relay fuse box is perfect for owners of Hisun, Coleman, Axis, Massimo, and Cub Cadet UTVs and ATVs. It protects your vehicle’s electrical system and keeps you safe on the road or trail. |
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Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with Two 80A 4-Pin Relays |
This Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit is perfect for DIY enthusiasts and vehicle owners who want a simple, safe, and clean electrical setup. It’s ideal for upgrading headlights, audio systems, or custom wiring on trucks, SUVs, or RVs. |
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2013-14 CHEVY TRAVERSE WITH TOWING PACKAGE LOADED FUSE & RELAY BOX 22933347 |
This fuse & relay box is perfect for Chevy Traverse owners who want a direct replacement that fits right with the towing package. It’s ideal for anyone who values genuine OEM quality and needs their SUV’s electrical system running strong. |
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Lisnhlin 22773481 Fuse Relay Box Upper Cover Replacement for Chevrolet Suburban Tahoe for GMC Yukon XL for Cadillac Escalade ESV 2015 2016 2017 2018 2019 2020 |
This part is perfect for Chevrolet, GMC, and Cadillac owners from 2015–2020 who want a direct replacement that fits right, protects their electrical system, and installs in seconds without tools. |
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True Mods Waterproof 12V Fuse Relay Box Block Kit w/Pre-Wired Harness [12 & 16AWG] 6 Gang Bosch Style 5Pin 30A/40A Universal Relay & Fuse Panel for DC Auto Automotive Vehicle Car Marine Boat Jeep UTV |
This True Mods Waterproof 12V Fuse Relay Box Block Kit is perfect for anyone who wants to organize and upgrade their vehicle’s wiring. Whether you’re working on a car, boat, Jeep, or UTV, this durable, waterproof kit makes it easy to manage multiple circuits and mount anywhere under the hood. |
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Replacement Part Number 1645400072 for Front Relay Fuse Box of Mercedes-Benz W251 R500 ML550 GL550 |
This product is perfect for Mercedes-Benz owners who want a reliable replacement for their front relay fuse box. It’s ideal for drivers who value safety, durability, and easy installation without extra hassle. |
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FASTSTORM Fuse Relay Box, Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals, ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat |
This 12V relay box is perfect for anyone who needs reliable power control in cars, boats, trucks, or DIY projects. It’s easy to install and protects your devices from overcurrent, making it ideal for lights, pumps, motors, and more. |
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Nilight 6 Way Fuse Relay Block with Acc Control Negative Bus 12V Blade Holder ATC/ATO Box Label Stickers Waterproof Cover Panel for Automotive Cars Motorcycle RVs Vans |
This 6-way fuse relay block is perfect for anyone who wants to safely power their car, motorcycle, RV, or van. It’s easy to install and protects your electrical circuits from overloads or shorts. |
Detailed Reviews
Here are the Best Relay Box Replacements chosen with care and expert insight. Each option is reviewed for performance, durability, and value. This guide makes it simple to pick the right replacement for your needs. Read on to discover which one fits your setup best.
1. rva2alkl Control Box Well Pump Relay – 230V Replacement for Franklin Control Boxes (5-15HP) – Compatible with Part Numbers 155031102, 155031110, and 305213902

The rva2alkl Control Box is a direct replacement for worn-out relays in Franklin control boxes. It works with 5 to 15 horsepower well pumps.
This control box is easy to install, fits perfectly, and works with 230 volts. It’s compatible with part numbers 155031102, 155031110, and 305213902.
Made with durable materials, it ensures long-lasting performance. Its 35 amp relay is reliable for daily use, keeping your well pump running smoothly.
| Pros | Cons |
|---|---|
|
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Perfect For:
This control box is perfect for homeowners with well pumps who need a reliable replacement. It’s easy to install and works seamlessly with Franklin control boxes for 5 to 15 horsepower pumps.
Ready to Purchase?
2. DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal Relay Panel for Automotive Car Marine Boat

The DaierTek 12V Relay Box keeps your wiring neat and organized. It has 6 slots for relays, making it easy to replace faulty ones. This design saves time and effort during maintenance.
It includes an integrated fuse block with 6 slots for added safety. The 12 AWG pre-wired setup handles up to 20A continuous current. Color-coded wires make connections simple and intuitive.
The splash and dust-resistant design protects against harsh conditions. It’s ideal for cars, boats, and DIY projects. This universal 12V relay box simplifies complex wiring for reliable performance.
| Pros | Cons |
|---|---|
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Perfect For:
This 12V relay box is perfect for anyone who needs to organize and protect their automotive, marine, or DIY wiring. It’s ideal for harsh environments and simplifies complex setups.
Ready to Purchase?
3. JAVOUKA Central Relay Fuse Box Fit for Axis 500 700, for Hisun 400 500 700 UTV ATV, for Coleman UT400 UT500 UT700, for Massimo MSU500, Fit for Cub Cadet Challenger 500/700# 37700-115-0000

The JAVOUKA Central Relay Fuse Box is a must-have for your UTV or ATV. It fits many models, like Axis 500/700, Hisun 400/500/700, and Coleman UT400/500/700.
This fuse box protects your vehicle’s electrical system from overcurrent and short circuits. Always check compatibility before buying, and professional installation is recommended.
| Pros | Cons |
|---|---|
|
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Perfect For:
This central relay fuse box is perfect for owners of Hisun, Coleman, Axis, Massimo, and Cub Cadet UTVs and ATVs. It protects your vehicle’s electrical system and keeps you safe on the road or trail.
Ready to Purchase?
4. Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit with Two 80A 4-Pin Relays

The Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit is ready to use right out of the box. It includes two 80A relays and six blade fuses for easy installation.
This kit is perfect for DIY projects, offering double overcurrent protection and a dustproof shell. Mount it in a dry spot to keep it safe and working well.
| Pros | Cons |
|---|---|
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Perfect For:
This Weasch 12V 6 Way Pre-Wired Fuse Relay Box Kit is perfect for DIY enthusiasts and vehicle owners who want a simple, safe, and clean electrical setup. It’s ideal for upgrading headlights, audio systems, or custom wiring on trucks, SUVs, or RVs.
Ready to Purchase?
5. 2013-14 CHEVY TRAVERSE WITH TOWING PACKAGE LOADED FUSE & RELAY BOX 22933347

This 2013-14 Chevy Traverse fuse box is a genuine OEM part, designed for vehicles with a towing package. It’s a direct replacement for your old fuse box, ensuring a perfect fit. The manufacturer part number is 22933347, making it easy to verify compatibility.
This fuse and relay box falls under the electrical category and is specifically for models with a tow package. It’s a single-quantity item, so you only need one for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This fuse & relay box is perfect for Chevy Traverse owners who want a direct replacement that fits right with the towing package. It’s ideal for anyone who values genuine OEM quality and needs their SUV’s electrical system running strong.
Ready to Purchase?
6. Lisnhlin 22773481 Fuse Relay Box Upper Cover Replacement for Chevrolet Suburban Tahoe for GMC Yukon XL for Cadillac Escalade ESV 2015 2016 2017 2018 2019 2020

Keep your vehicle’s electrical system safe with the Lisnhlin 22773481 Fuse Relay Box Upper Cover. This direct replacement part is built to fit perfectly and protect your car’s fuse relay box.
It blocks water and debris. It keeps your system running smooth. It fits Chevrolet, GMC, and Cadillac models from 2015 to 2020.
Made with strong materials. Tested for quality and durability. Snaps on easily with no tools needed.
| Pros | Cons |
|---|---|
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Perfect For:
This part is perfect for Chevrolet, GMC, and Cadillac owners from 2015–2020 who want a direct replacement that fits right, protects their electrical system, and installs in seconds without tools.
Ready to Purchase?
7. True Mods Waterproof 12V Fuse Relay Box Block Kit w/Pre-Wired Harness [12 & 16AWG] 6 Gang Bosch Style 5Pin 30A/40A Universal Relay & Fuse Panel for DC Auto Automotive Vehicle Car Marine Boat Jeep UTV
![True Mods Waterproof 12V Fuse Relay Box Block Kit w/Pre-Wired Harness [12 & 16AWG] 6 Gang Bosch Style 5Pin 30A/40A Universal Relay & Fuse Panel for DC Auto Automotive Vehicle Car Marine Boat Jeep UTV](https://m.media-amazon.com/images/I/51nb8T58EdL._SL500_.jpg)
Take control of your wiring with the True Mods Waterproof 12V Fuse Relay Box Kit. It comes with a pre-wired harness using 12 AWG and 16 AWG wires. Six relay sockets and six fuse holders keep everything neat and organized.
Mount it anywhere with the Z-shaped brackets that fit almost any setup. Built tough with nylon 66 and rated IP65 waterproof, this box is ready for cars, boats, UTVs, and more. It’s strong, reliable, and made to last.
Get the full package with Bosch-style relays, fuses, connectors, and seals included. Easy install with color-coded wires makes this a true upgrade.
| Pros | Cons |
|---|---|
|
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Perfect For:
This True Mods Waterproof 12V Fuse Relay Box Block Kit is perfect for anyone who wants to organize and upgrade their vehicle’s wiring. Whether you’re working on a car, boat, Jeep, or UTV, this durable, waterproof kit makes it easy to manage multiple circuits and mount anywhere under the hood.
Ready to Purchase?
8. Replacement Part Number 1645400072 for Front Relay Fuse Box of Mercedes-Benz W251 R500 ML550 GL550

This replacement relay fuse box is built for Mercedes-Benz W251 R500, ML550, GL550, and more. It perfectly matches the original part number 1645400072 for easy installation.
Made with premium copper and heat-resistant plastic, it delivers strong electrical performance. It resists oxidation and corrosion, keeping your vehicle’s system reliable.
Safe. Durable. Easy.
No modifications needed.
Tested for quality before shipping.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for Mercedes-Benz owners who want a reliable replacement for their front relay fuse box. It’s ideal for drivers who value safety, durability, and easy installation without extra hassle.
Ready to Purchase?
9. FASTSTORM Fuse Relay Box, Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals, ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat

The FASTSTORM Fuse Relay Box is a heavy-duty solution for your wiring needs. It comes with 6 high-quality 40A relays and built-in diodes to protect your circuits. The 12 AWG harness ensures reliable performance.
Installation is effortless with pre-wired and labeled directions. It includes color-coded wires and a step-by-step manual. The modular design simplifies complex wiring for better reliability.
This 12V relay box is universal and works for cars, boats, and DIY projects. It offers triple overcurrent protection and is waterproof for outdoor use. Perfect for controlling lights, pumps, and motors.
| Pros | Cons |
|---|---|
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Perfect For:
This 12V relay box is perfect for anyone who needs reliable power control in cars, boats, trucks, or DIY projects. It’s easy to install and protects your devices from overcurrent, making it ideal for lights, pumps, motors, and more.
Ready to Purchase?
10. Nilight 6 Way Fuse Relay Block with Acc Control Negative Bus 12V Blade Holder ATC/ATO Box Label Stickers Waterproof Cover Panel for Automotive Cars Motorcycle RVs Vans

The Nilight 6 Way Fuse Relay Block keeps your circuits safe and organized. It powers multiple devices while protecting against hazards.
It has an ACC interface that cuts power when the key is off. Built-in relays make wiring simple. Clear LED lights show if circuits are normal or if a fuse is blown.
Installation is quick and easy. The cover shields against dust and splashes. Perfect for cars, motorcycles, RVs, boats, and more.
| Pros | Cons |
|---|---|
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Perfect For:
This 6-way fuse relay block is perfect for anyone who wants to safely power their car, motorcycle, RV, or van. It’s easy to install and protects your electrical circuits from overloads or shorts.
Ready to Purchase?
Buying Guide
Looking for the best relay box replacements? We’ve got you covered! Our guide makes it easy to find the perfect fit for your needs.
Why Upgrade Your Relay Box?
A reliable relay box keeps your wiring safe, organized, and working smoothly. Whether for your car, boat, or DIY project, the right replacement ensures long-lasting performance and peace of mind.
Factors to Consider When Buying:
– Compatibility: Check if the relay box fits your vehicle or project. Look for part numbers or model compatibility to avoid mistakes.
– Voltage and Amperage: Match the voltage (e.g., 12V, 230V) and amperage (e.g., 30A, 80A) to your system’s requirements.
– Durability: Choose a waterproof and dustproof design for outdoor or harsh conditions. High-quality materials ensure it lasts longer.
– Ease of Installation: Look for pre-wired options with color-coded wires and clear instructions for hassle-free setup.
– Safety Features: Built-in fuses, diodes, and overcurrent protection keep your system safe from electrical issues.
– Number of Slots: Pick a relay box with enough slots for your needs, whether it’s 4, 6, or more.
– Brand and Reviews: Go for trusted brands with positive reviews to ensure reliability and performance.
Ready to Upgrade?
With these factors in mind, you’re set to find the best relay box replacement for your needs. Enjoy a safer, more organized, and efficient system!