Looking for the best tractor relays to keep your farming operations running smoothly? We’ve tested and reviewed the top 10 options to help you find the perfect fit for your tractor.
Tractors are the backbone of farming, and a reliable relay is key to keeping them running smoothly. Whether you’re fixing an old model or upgrading a new one, the right relay makes all the difference.
Choosing the best tractor relay can save you time and money. We’ve tested and reviewed top options to help you find the perfect fit.
List of Top 10 Tractor Relays
| Image | Title | Best For | Price |
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Weasch 2 Pack JD1912 Car Relay, 12V 40A, 4 Pins SPST, Automotive Switches and Starters, Waterproof Relay for Boat Tractor Truck Motorcycle (2) |
This 2 Pack JD1912 Car Relay is perfect for anyone who needs a strong and reliable switch for their vehicle. It works great with cars, boats, tractors, trucks, and motorcycles. If you want a waterproof relay that handles up to 40 amps and keeps your electronics safe, this is the one. |
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irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with Heavy-Duty Pigtail, 5-PIN SPDT Automotive Relay |
This relay kit is perfect for anyone working on cars, trucks, or other 12V DC vehicles. It suits DIY mechanics and professionals who need a strong, reliable relay that resists dust and water. If you want to keep your electrical system safe and running smoothly, this kit is a great choice. |
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Weasch 2 Pack JD1914 Car Relay, 12V 40A, 5 Pin SPDT, Automotive Switches and Starters, Waterproof Relay for Boat Tractor Truck Motorcycle (2) |
The Weasch 2 Pack JD1914 Car Relay is perfect for anyone who needs reliable automotive switches for their boat, tractor, truck, or motorcycle. It’s easy to use and waterproof, making it ideal for outdoor vehicles. |
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Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty |
This Nilight 50003R Automotive Set is perfect for anyone who needs reliable and easy-to-install relays for their vehicle’s lighting system. Whether you’re upgrading your LED light bar or working on a custom wiring project, this 5-pack offers durable quality and simple wiring for a clean finish. |
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IEQFUE 2PCS AT75769 AM106305 Relay 12VDC 40A Compatible with JD GX355 LT170 X110 X465 X575 X300 X500 Tractors Mowers Gators |
This IEQFUE 2PCS AT75769 AM106305 Relay is perfect for owners of JD tractors, mowers, and gators. It works with models like GX355, LT170, X110, X465, X575, X300, and X500. |
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MQparts 3 Pcs 00432101 5-Pin 12V 40A Multi-Purpose Relay Heavy Duty Relay – Replaces 430-300 AYP 109748X Ariens 00432101 Hustler 026237 Exmark 98-7249 1-643275 Ariens EZR1440 EZR1540 EZR1640 |
This relay is perfect for anyone who needs a reliable, heavy-duty replacement for their lawn tractor or automotive equipment. If you want an easy, plug-and-play fix that fits models like Ariens EZR1440 or Poulan PP1846, this set of three 12V 5-pin relays offers durable, high-quality performance you can trust. |
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Sogoparts Lawn Mower Relay Compatible with Cub Cadet 925-1648 725-1648 925-1648A 725-1648A 5 Terminals 12V Relay Compatible with MTD Yard Troy Bilt Lawn Mower Tractor 2 Pack |
This relay is perfect for anyone who owns a Cub Cadet or similar lawn mower tractor. It works great if you need a reliable replacement part to keep your mower running smoothly. Easy to install and made to fit many models, it helps you get back to mowing fast. |
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ABAAN INTERNATIONAL New Relay Starter Compatible with Mahindra Tractor 000013084P04 / 000013084P05 |
This relay starter is perfect for Mahindra tractor owners who need a reliable replacement part. It’s easy to install and fits many models, making it ideal for quick repairs. |
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Starter Solenoid Relay SFD6025 12V 3-Terminal Replacement for Fo-r 2N 8N 9N Tractor 8N-11450 SW218 SW355 10-FO218-12V 7-1023-12V 240-14008 |
This Starter Solenoid Relay SFD6025 is perfect for Ford tractor owners working with 2N, 8N, and 9N models. If you need a reliable 12-volt replacement for your tractor’s starter system, this is your go-to part. |
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ABS Tractor Relay Valve Compatible with WABCO Replaces S4725000072 9730110240 |
This product is perfect for truck owners or mechanics needing a direct replacement for WABCO ABS Tractor Relay Valves. It fits models with part numbers S4725000072, 9730110240, and 4006110340, offering durable performance and easy installation. |
Detailed Reviews
Discover the best tractor relays chosen for their durability, performance, and value. This guide makes it easy to find the perfect relay for your needs. Trust our expert picks to keep your tractor running smoothly and efficiently.
1. Weasch 2 Pack JD1912 Car Relay, 12V 40A, 4 Pins SPST, Automotive Switches and Starters, Waterproof Relay for Boat Tractor Truck Motorcycle (2)

Meet the Weasch 2 Pack JD1912 Car Relay, your reliable solution for automotive electrical needs. This 12V 40A relay is built to handle demanding tasks, ensuring your automotive switches and starters perform at their best.
It features a SPST design with 4 pins. This relay is also waterproof, making it perfect for various vehicles.
Upgrade your boat, tractor, truck, or motorcycle with this durable and waterproof relay. Get two in a pack for excellent value and dependable performance.
| Pros | Cons |
|---|---|
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Perfect For:
This 2 Pack JD1912 Car Relay is perfect for anyone who needs a strong and reliable switch for their vehicle. It works great with cars, boats, tractors, trucks, and motorcycles. If you want a waterproof relay that handles up to 40 amps and keeps your electronics safe, this is the one.
Ready to Purchase?
2. irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with Heavy-Duty Pigtail, 5-PIN SPDT Automotive Relay

The irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit is a heavy-duty solution for your automotive needs. It includes 5-PIN SPDT relays with strong pigtails for reliable connections. These relays are waterproof and dustproof, making them ideal for tough environments.
Each relay is rated for 12 volts and has 5 prongs for easy installation. The primary leads use 12 AWG tinned copper wire, while the coil leads use 16 AWG. Always stay 10-15% below the rated capacity for best performance.
Simple to use, durable, and efficient. Perfect for automotive projects. A must-have for any DIY enthusiast.
| Pros | Cons |
|---|---|
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Perfect For:
This relay kit is perfect for anyone working on cars, trucks, or other 12V DC vehicles. It suits DIY mechanics and professionals who need a strong, reliable relay that resists dust and water. If you want to keep your electrical system safe and running smoothly, this kit is a great choice.
Ready to Purchase?
3. Weasch 2 Pack JD1914 Car Relay, 12V 40A, 5 Pin SPDT, Automotive Switches and Starters, Waterproof Relay for Boat Tractor Truck Motorcycle (2)

Weasch JD1914 car relays are 12V 40A switches with 5 pins and SPDT design. They use Ag alloy contacts for strong performance and long life. Each pack includes two relays for easy replacement.
These waterproof relays work in boats, trucks, motorcycles, and tractors. They handle tough conditions and install fast. Simple, reliable parts for any vehicle’s electrical system.
| Pros | Cons |
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Perfect For:
The Weasch 2 Pack JD1914 Car Relay is perfect for anyone who needs reliable automotive switches for their boat, tractor, truck, or motorcycle. It’s easy to use and waterproof, making it ideal for outdoor vehicles.
Ready to Purchase?
4. Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty

The Nilight 50003R Automotive Set offers a reliable relay and wiring solution for your vehicle. It handles high switching power with ease.
This set includes 5 relays and sockets with clear color coding for easy wiring. The male-female slot design makes connecting simple and neat. Made from high-grade materials, it ensures a long-lasting performance.
You get a universal fit and a 2-year warranty for peace of mind. It’s perfect for your LED light bar wiring harness kit. Installation is quick and hassle-free.
| Pros | Cons |
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Perfect For:
This Nilight 50003R Automotive Set is perfect for anyone who needs reliable and easy-to-install relays for their vehicle’s lighting system. Whether you’re upgrading your LED light bar or working on a custom wiring project, this 5-pack offers durable quality and simple wiring for a clean finish.
Ready to Purchase?
5. IEQFUE 2PCS AT75769 AM106305 Relay 12VDC 40A Compatible with JD GX355 LT170 X110 X465 X575 X300 X500 Tractors Mowers Gators

Keep your tractor or mower running smoothly with the IEQFUE 2PCS AT75769 AM106305 Relay. This is a 12VDC 40A relay made to fit perfectly.
It works with many models like JD GX355, LT170, X110, and more. It is built tough to last long. Easy to install and highly reliable.
| Pros | Cons |
|---|---|
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Perfect For:
This IEQFUE 2PCS AT75769 AM106305 Relay is perfect for owners of JD tractors, mowers, and gators. It works with models like GX355, LT170, X110, X465, X575, X300, and X500.
Ready to Purchase?
6. MQparts 3 Pcs 00432101 5-Pin 12V 40A Multi-Purpose Relay Heavy Duty Relay – Replaces 430-300 AYP 109748X Ariens 00432101 Hustler 026237 Exmark 98-7249 1-643275 Ariens EZR1440 EZR1540 EZR1640

MQparts 3 Pcs 00432101 5-Pin 12V 40A Multi-Purpose Relay is a heavy-duty replacement for many brands. It works with Ariens, Hustler, Exmark, and more.
Plug and play design makes installation easy. Durable materials ensure long-lasting performance.
Money-back guarantee gives you peace of mind. High-quality parts for reliable use.
| Pros | Cons |
|---|---|
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Perfect For:
This relay is perfect for anyone who needs a reliable, heavy-duty replacement for their lawn tractor or automotive equipment. If you want an easy, plug-and-play fix that fits models like Ariens EZR1440 or Poulan PP1846, this set of three 12V 5-pin relays offers durable, high-quality performance you can trust.
Ready to Purchase?
7. Sogoparts Lawn Mower Relay Compatible with Cub Cadet 925-1648 725-1648 925-1648A 725-1648A 5 Terminals 12V Relay Compatible with MTD Yard Troy Bilt Lawn Mower Tractor 2 Pack

Keep your lawn mower running smoothly with this essential relay. It’s a direct replacement for many Cub Cadet and MTD models. Get your yard work done without interruption!
This 5-terminal, 12V relay is designed to perfectly fit your Cub Cadet or MTD lawn tractor. It’s a reliable part that ensures your mower starts and operates as it should.
Don’t let a faulty relay stop your mowing. This high-quality replacement offers great value and will have your mower back in action in no time.
| Pros | Cons |
|---|---|
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Perfect For:
This relay is perfect for anyone who owns a Cub Cadet or similar lawn mower tractor. It works great if you need a reliable replacement part to keep your mower running smoothly. Easy to install and made to fit many models, it helps you get back to mowing fast.
Ready to Purchase?
8. ABAAN INTERNATIONAL New Relay Starter Compatible with Mahindra Tractor 000013084P04 / 000013084P05

Need a new relay starter for your Mahindra tractor? This ABAAN INTERNATIONAL part is a perfect fit for many models. It’s brand new and ready to install.
Fits many Mahindra tractors, from 3505/5570 to mPower 85P. Easy to install, no hassle. Saves time and effort.
Quality assured with a 6-month warranty. Bulk orders are available. Trustworthy and reliable for your tractor needs.
| Pros | Cons |
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Perfect For:
This relay starter is perfect for Mahindra tractor owners who need a reliable replacement part. It’s easy to install and fits many models, making it ideal for quick repairs.
Ready to Purchase?
9. Starter Solenoid Relay SFD6025 12V 3-Terminal Replacement for Fo-r 2N 8N 9N Tractor 8N-11450 SW218 SW355 10-FO218-12V 7-1023-12V 240-14008

The Starter Solenoid Relay SFD6025 12V is a perfect replacement for your Fo-r 2N, 8N, and 9N tractors. It fits models from 1939 to 1952 and works with 12-volt systems.
It has 3 posts and a strong saddle mount. The body is made of tough phenolic with copper contacts. This relay is built to last.
| Pros | Cons |
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Perfect For:
This Starter Solenoid Relay SFD6025 is perfect for Ford tractor owners working with 2N, 8N, and 9N models. If you need a reliable 12-volt replacement for your tractor’s starter system, this is your go-to part.
Ready to Purchase?
10. ABS Tractor Relay Valve Compatible with WABCO Replaces S4725000072 9730110240

The ABS Tractor Relay Valve is a perfect match for your vehicle. It is compatible with WABCO part numbers S4725000072 and 9730110240. This makes it easy to find the right fit.
This part uses high-quality materials to last long. It works well in different conditions. You can install it quickly without hassle.
Each package includes one relay valve. It is a direct replacement part. You get stable performance and great value for your money.
| Pros | Cons |
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Perfect For:
This product is perfect for truck owners or mechanics needing a direct replacement for WABCO ABS Tractor Relay Valves. It fits models with part numbers S4725000072, 9730110240, and 4006110340, offering durable performance and easy installation.
Ready to Purchase?
Buying Guide
Tractor relays are key parts that keep your machine running smoothly. Choosing the right one saves time and money. This guide helps you find the best fit for your needs.
Buying a tractor relay should be easy and stress-free. We’ve tested top options to bring you the best choices. Let’s explore what to look for when picking the perfect relay.
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Compatibility:
Make sure the relay fits your tractor model. Check the part number or specs to avoid mistakes. -
Voltage and Amperage:
Match the relay’s voltage (12V) and amperage (30A/40A) to your tractor’s needs. Overloading can cause damage. -
Pin Configuration:
Relays come with 3, 4, or 5 pins. Choose the correct type for your tractor’s wiring system. -
Waterproof Design:
Look for waterproof relays if your tractor works in wet or muddy conditions. This ensures longevity. -
Durability:
Pick relays made from high-quality materials like phenolic bodies or tinned copper wires. They last longer. -
Ease of Installation:
Go for plug-and-play relays for quick and hassle-free setup. Save time and effort. -
Warranty:
A warranty gives you peace of mind. Look for options with at least 6 months of coverage. -
Pack Size:
Buying multi-packs can save money. Ensure you have spares for future replacements. -
Brand Reputation:
Choose trusted brands known for quality and reliability. Check reviews for feedback.
With these factors in mind, you’ll find the best tractor relay for your needs. Happy shopping!