Looking for the best 12V fuel pump relay? We’ve tested and compared top options to help you find the perfect one for your vehicle.
Looking for the best 12V fuel pump relay? You’re in the right place. These kits ensure your vehicle’s fuel system runs smoothly and safely. They’re easy to install and built to last.
We’ve tested and compared top options to help you choose. Whether you need waterproof protection, heavy-duty wires, or a universal fit, we’ve got you covered. Let’s find the perfect relay for your ride!
List of Top 10 12v Fuel Pump Relays
| Image | Title | Best For | Price |
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JY Performance Electric Fuel Pump Relay Kit for 12V System 40 AMP Waterproof Heavy Duty Long Wires |
This JY Performance Electric Fuel Pump Relay Kit is perfect for car enthusiasts and DIYers who want a reliable and easy-to-install fuel pump system. It’s also great for those seeking weatherproof and heavy-duty components to ensure consistent performance in various conditions. |
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ZOZOMOTORS Electric Fuel Pump Relay Kit Fuel Pump Wiring Harness Bypass 40 AMP Waterproof Switch Heavy Duty Long Wires Universal Fit 12V System P/N 30247 |
This ZOZOMOTORS Electric Fuel Pump Relay Kit is perfect for anyone who needs a reliable and easy-to-install solution for their 12V fuel pump system. Whether you’re upgrading your vehicle or working on a custom project, this kit has everything you need to ensure safe and efficient fuel pump operation. |
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FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy Duty Long Wires Universal Fit |
This fuel pump relay kit is perfect for anyone who wants to upgrade or replace their vehicle’s fuel pump relay. It’s ideal for car owners, truck drivers, and DIY enthusiasts looking for a reliable and easy-to-install solution. |
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FASTSTORM 12V Electric Fuel Pump Waterproof Relay Kit Heavy Duty Long Wiring Harness Kit 60 Amp with Fuel Pump Rocker Switches Jumper Wires Set for Cars Trucks Boats ATVs UTVs RVs |
This FASTSTORM 12V Electric Fuel Pump Waterproof Relay Kit is perfect for anyone who needs a reliable and easy-to-install fuel pump system. It’s great for cars, trucks, boats, ATVs, UTVs, and RVs. |
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Nilight Electric Fuel Pump Relay Kit Wiring Harness 40 AMP Relay Heavy Duty 10 Gauge Cables w/30 AMP Blade Fuse 12V System for Trucks Cars RVs Marine Boats Trailers |
This electric fuel pump relay kit is perfect for anyone with a 12V system who needs a reliable and easy-to-install solution. It’s great for trucks, cars, RVs, boats, and trailers that require a 40 Amp relay and 30 Amp fuse. |
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Electric Fuel Pump Relay Kit 40 AMP Waterproof, Heavy Duty Long Wires Relay, Fit 12V Switch Kit P/N 30247 |
This Electric Fuel Pump Relay Kit is perfect for car owners who want a reliable and easy upgrade. It’s great for anyone with a 12V system needing stable fuel pump power. |
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JDLLONG 49040-1055 12V Electric Fuel Pump with 27034-1053 Cut Off Relay for Kawasaki Mule 1000 2500 2510 2520 3000 3010 3020 8mm In/Outlet |
This JDLLONG fuel pump kit is perfect for Kawasaki Mule owners who need a reliable replacement. It’s easy to install and works great for models like the 1000, 2500, and 3000 series. |
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Electric Fuel Pump Relay Kit, 40 AMP Waterproof Heavy Duty Relay Wiring Harness with Nylon Wire Loom & Long Wires, 12V Fuel Pump Bypass Switch Universal Fit (P/N 30247) |
This electric fuel pump relay kit is perfect for car owners who want a reliable upgrade or replacement for their fuel pump wiring system. It’s ideal for DIYers with basic automotive knowledge, offering easy installation and universal compatibility for 12V vehicles. |
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AFEISOL Electric Fuel Pump Relay Kit Universal Fit 12V System 80 AMP Waterproof Fuel Pump Wiring Harness Bypass Heavy Duty Long Wires Relay Kit P/N 30247 |
This AFEISOL Electric Fuel Pump Relay Kit is perfect for car owners who want a reliable and easy-to-install solution for their 12V fuel pump system. It’s great for DIY enthusiasts and anyone looking to upgrade their vehicle’s fuel pump wiring with a waterproof, heavy-duty kit. |
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Ronybuy Electric Fuel Pump Relay Kit 12V Fuel Pump Bypass Harness, 40 AMP Waterproof Relay Wiring Kit Electric Switches Universal Fit 12Volt System P/N 30247 Heavy Duty Long Wires |
This Ronybuy Electric Fuel Pump Relay Kit is perfect for car enthusiasts and DIY mechanics who want to upgrade their fuel system. It’s easy to install and works great for 12V systems, making it ideal for anyone needing a reliable fuel pump solution. |
Detailed Reviews
Discover the top 10 12V fuel pump relays in this expert-reviewed guide, combining customer feedback and thorough analysis. Each product is highlighted for its features, performance, and value, ensuring you find the perfect fit for your needs. Whether you prioritize reliability, durability, or ease of installation, this guide has you covered. Dive in to find the best 12V fuel pump relay that suits your vehicle and budget.
1. JY Performance Electric Fuel Pump Relay Kit for 12V System 40 AMP Waterproof Heavy Duty Long Wires

The JY Performance Electric Fuel Pump Relay Kit is built for 12V systems. It handles up to 40 amps for reliable performance.
Heavy-duty wires ensure a strong fuel supply. They boost your vehicle’s resilience. Long-lasting design cuts down on breakdowns.
Waterproof relay and fuse box resist weather damage. Color-coded wires make installation easy. Clear diagrams guide you step by step.
| Pros | Cons |
|---|---|
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Perfect For:
This JY Performance Electric Fuel Pump Relay Kit is perfect for car enthusiasts and DIYers who want a reliable and easy-to-install fuel pump system. It’s also great for those seeking weatherproof and heavy-duty components to ensure consistent performance in various conditions.
Ready to Purchase?
2. ZOZOMOTORS Electric Fuel Pump Relay Kit Fuel Pump Wiring Harness Bypass 40 AMP Waterproof Switch Heavy Duty Long Wires Universal Fit 12V System P/N 30247

The ZOZOMOTORS Electric Fuel Pump Relay Kit is a universal fit solution for 12V systems. It’s designed to safely wire your fuel pump directly to your battery, ensuring constant pressure and preventing electrical damage.
Easy to install, with color-coded wires and a clear wiring diagram. Heavy-duty parts ensure long-lasting performance and waterproof protection.
This all-in-one kit includes everything you need: 40 Amp relay, inline fuse box, heat shrink terminals, and more. Perfect for any 12V device under 40 amps.
| Pros | Cons |
|---|---|
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Perfect For:
This ZOZOMOTORS Electric Fuel Pump Relay Kit is perfect for anyone who needs a reliable and easy-to-install solution for their 12V fuel pump system. Whether you’re upgrading your vehicle or working on a custom project, this kit has everything you need to ensure safe and efficient fuel pump operation.
Ready to Purchase?
3. FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy Duty Long Wires Universal Fit

The FASTSTORM Electric Fuel Pump Relay Kit is built for 12V systems. It works with cars, trucks, and more. This kit ensures reliable fuel pump performance.
It includes heavy-duty wires and a waterproof design. The 30A inline fuse protects your vehicle’s system. It’s durable and works in all weather conditions.
Installation is simple with color-coded wires. The kit comes with everything you need. It’s perfect for upgrading or replacing your fuel pump relay.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel pump relay kit is perfect for anyone who wants to upgrade or replace their vehicle’s fuel pump relay. It’s ideal for car owners, truck drivers, and DIY enthusiasts looking for a reliable and easy-to-install solution.
Ready to Purchase?
4. FASTSTORM 12V Electric Fuel Pump Waterproof Relay Kit Heavy Duty Long Wiring Harness Kit 60 Amp with Fuel Pump Rocker Switches Jumper Wires Set for Cars Trucks Boats ATVs UTVs RVs

The FASTSTORM 12V Electric Fuel Pump Relay Kit is a heavy-duty solution for your vehicle’s fuel system. It ensures your high-pressure fuel pump gets the power it needs. This kit is designed for safety and reliability.
It includes a waterproof relay, rocker switches, and color-coded wires for easy installation. The 60 Amp relay handles tough conditions, while the inline fuse box protects your system.
This kit works for cars, trucks, boats, ATVs, UTVs, and RVs. It comes with everything you need for a smooth setup. Upgrade your fuel system with confidence today!
| Pros | Cons |
|---|---|
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Perfect For:
This FASTSTORM 12V Electric Fuel Pump Waterproof Relay Kit is perfect for anyone who needs a reliable and easy-to-install fuel pump system. It’s great for cars, trucks, boats, ATVs, UTVs, and RVs.
Ready to Purchase?
5. Nilight Electric Fuel Pump Relay Kit Wiring Harness 40 AMP Relay Heavy Duty 10 Gauge Cables w/30 AMP Blade Fuse 12V System for Trucks Cars RVs Marine Boats Trailers

The Nilight Electric Fuel Pump Relay Kit is a universal 12V system designed for trucks, cars, RVs, boats, and trailers. It handles up to 40 amps and includes a 30-amp blade fuse for safety.
Easy to install with color-coded wires and a clear wiring diagram. Just plug and play for a hassle-free setup. Heavy-duty 10-gauge cables ensure reliable performance.
Waterproof design makes it durable in harsh conditions. The high-quality materials keep your fuel pump pressure constant, protecting your vehicle’s electrical system.
| Pros | Cons |
|---|---|
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Perfect For:
This electric fuel pump relay kit is perfect for anyone with a 12V system who needs a reliable and easy-to-install solution. It’s great for trucks, cars, RVs, boats, and trailers that require a 40 Amp relay and 30 Amp fuse.
Ready to Purchase?
6. Electric Fuel Pump Relay Kit 40 AMP Waterproof, Heavy Duty Long Wires Relay, Fit 12V Switch Kit P/N 30247

The Electric Fuel Pump Relay Kit is a 40-amp waterproof solution for your vehicle. It’s easy to install with clear diagrams and color-coded wires.
Tinned copper wiring resists corrosion and lasts longer. Heavy-duty wires keep fuel pressure steady and protect your system. It’s built to handle tough conditions.
The kit includes a 30A waterproof fuse box for safety. It works with any 12V device up to 40 amps. Perfect for reliable power delivery.
| Pros | Cons |
|---|---|
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Perfect For:
This Electric Fuel Pump Relay Kit is perfect for car owners who want a reliable and easy upgrade. It’s great for anyone with a 12V system needing stable fuel pump power.
Ready to Purchase?
7. JDLLONG 49040-1055 12V Electric Fuel Pump with 27034-1053 Cut Off Relay for Kawasaki Mule 1000 2500 2510 2520 3000 3010 3020 8mm In/Outlet

The JDLLONG 49040-1055 12V Electric Fuel Pump is a perfect fit for many Kawasaki Mule models. It works with Mules from 1988 to 2008, including 1000, 2500, 2510, 2520, 3000, 3010, and 3020. This kit includes both the fuel pump and the cut-off relay.
It runs on 12V power and delivers 1-2psi pressure. The flow rate is 60lph, and it uses 1.0A of current. The package comes with one fuel pump and one relay, just like the picture shows.
If you have questions, the team will answer within 24 hours. This kit is a reliable choice for your Kawasaki Mule. Get it to keep your vehicle running smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
This JDLLONG fuel pump kit is perfect for Kawasaki Mule owners who need a reliable replacement. It’s easy to install and works great for models like the 1000, 2500, and 3000 series.
Ready to Purchase?
8. Electric Fuel Pump Relay Kit, 40 AMP Waterproof Heavy Duty Relay Wiring Harness with Nylon Wire Loom & Long Wires, 12V Fuel Pump Bypass Switch Universal Fit (P/N 30247)

This electric fuel pump relay kit is a universal fit for any 12V vehicle. It works with cars, trucks, and SUVs, replacing OEM P/N 30247 or upgrading your fuel pump wiring.
The kit has heavy-duty long wires with a nylon protective sleeve. Wires are color-coded for easy installation. It includes a 40A waterproof relay and a 30A inline fuse holder.
The complete kit comes with all necessary parts. It ensures reliable performance and protects your vehicle’s electrical system. Installation is simple with the included wiring diagram.
| Pros | Cons |
|---|---|
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Perfect For:
This electric fuel pump relay kit is perfect for car owners who want a reliable upgrade or replacement for their fuel pump wiring system. It’s ideal for DIYers with basic automotive knowledge, offering easy installation and universal compatibility for 12V vehicles.
Ready to Purchase?
9. AFEISOL Electric Fuel Pump Relay Kit Universal Fit 12V System 80 AMP Waterproof Fuel Pump Wiring Harness Bypass Heavy Duty Long Wires Relay Kit P/N 30247

The AFEISOL Electric Fuel Pump Relay Kit is a universal fit for most 12V automotive systems. It handles up to 80 amps, ensuring stable power for your fuel pump.
This kit keeps your fuel pump running smoothly by preventing voltage drops and overheating. It’s heavy-duty and waterproof, perfect for tough conditions.
Installation is easy with a plug-and-play design. The wiring guide matches wire colors, so anyone can do it. All necessary parts are included for a quick setup.
| Pros | Cons |
|---|---|
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Perfect For:
This AFEISOL Electric Fuel Pump Relay Kit is perfect for car owners who want a reliable and easy-to-install solution for their 12V fuel pump system. It’s great for DIY enthusiasts and anyone looking to upgrade their vehicle’s fuel pump wiring with a waterproof, heavy-duty kit.
Ready to Purchase?
10. Ronybuy Electric Fuel Pump Relay Kit 12V Fuel Pump Bypass Harness, 40 AMP Waterproof Relay Wiring Kit Electric Switches Universal Fit 12Volt System P/N 30247 Heavy Duty Long Wires

The Ronybuy Electric Fuel Pump Relay Kit is a universal fit for 12V systems. It’s a perfect replacement for OEM P/N 30247. This kit helps boost fuel supply and protects your electrical system.
It’s easy to install with color-coded wires and a wiring diagram. The waterproof, heavy-duty design ensures durability in harsh conditions.
| Pros | Cons |
|---|---|
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Perfect For:
This Ronybuy Electric Fuel Pump Relay Kit is perfect for car enthusiasts and DIY mechanics who want to upgrade their fuel system. It’s easy to install and works great for 12V systems, making it ideal for anyone needing a reliable fuel pump solution.
Ready to Purchase?
Buying Guide
Looking for the best 12V fuel pump relay? These kits keep your vehicle’s fuel system running smoothly and safely. They’re easy to install and built to last.
Choosing the right fuel pump relay can feel overwhelming, but we’re here to help. We’ve tested and compared top options to make your decision easier. Whether you need waterproof protection, heavy-duty wires, or a universal fit, we’ve got you covered.
Here’s what to consider when buying a 12V fuel pump relay:
- Amp Rating: Choose a relay with the right amp rating for your fuel pump. Common options are 40A, 60A, or 80A. Higher amps handle more power.
- Waterproof Design: Look for a waterproof relay to protect against rain, mud, and harsh weather.
- Wire Quality: Heavy-duty wires with nylon protective sleeves ensure durability and steady fuel pressure.
- Ease of Installation: Color-coded wires and clear diagrams make installation simple, even for beginners.
- Compatibility: Ensure the relay is a universal fit or matches your vehicle’s make and model.
- Safety Features: A waterproof fuse box and inline fuse protect your electrical system from damage.
- Durability: Corrosion-resistant materials like tinned copper wiring ensure long-lasting performance.
With these factors in mind, you’ll find the perfect 12V fuel pump relay for your ride. Upgrade your fuel system with confidence!