Morimoto DIY Relay Kit
Questions about fitment? Live chat or call 866-235-4715
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- Free shippingMost orders $500+
- 30-day returnsSee policy
- Warranty supportWe work with the maker
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
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Specifications
| Brand | Morimoto |
|---|---|
| Part number | WP310 |
| Capacity | 40A @ 12V DC |
| Power Capacity | 600w |
| Wire Needed | 14-16AWG |
| Warranty | 1 Year |
What's in the box
| Qty | Part | Description |
|---|---|---|
| — | — | RELAY: 1x 4-Pin Relay + Shell |
| — | — | BASE: 1x 4-Pin Inlet |
| — | — | SEALS: 2x Upper + Lower |
| — | — | CONTACTS: 4x Coated Copper |
| — | — | OPTIONAL BRACKET: 1x Hanging |
Features
- High-Quality Relays: Morimoto offers 4-pin automotive relays.
- Weatherproof: Features three layers of silicone seals for reliability in all conditions.
- Standard Layout: Includes switch (85), ground (86), power input (87), and power output (30).
- Powerful Performance: Handles 12V at up to 40 Amps with a built-in flyback diode.
- Easy Customization: Standard in the HD Relay Harness, with optional brackets for flexible mounting.
Installation
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
Morimoto offers high-quality 4-pin automotive relays suitable for various applications. These relays are not only cost-effective but also feature three layers of silicone seals for protection against the elements, making them highly reliable under tough conditions. Their industry-standard layout includes essential components such as the switch (85), ground (86), power input (87), and power output (30). Internally, Morimoto relays are designed to handle 12V at up to 40 Amps, thanks to their top-notch copper coils. They also incorporate a flyback diode to prevent potential back-feeding issues. These relays are a standard feature on the HD Relay Harness WP310 by Morimoto, allowing users to build their own harnesses with professional-grade components. Additionally, optional brackets are available to combine multiple relays neatly on a single mount for versatile setup configurations. Trust Morimoto for reliable, high-performance automotive relays that won't break the bank.
DIY: These high quality 4-pin automotive relays are great for spares or for those looking to build their own relay harness. Don't bother spending two or three times as much for the same thing, or getting less for the same amount of money. Buy Morimoto.
Protected:from the elements with 3 layers of silicone seals! Don't trust unsealed relays under the hood that are prone to fail due to moisture. These things are basically impenetrable both rain or shine.
Industry Standard: layout includes the switch (85), ground (86), power input (87), and power output (30)
Internally: they are rated to pass 12V at up to 40 Amps through their high quality copper coils. Integrated flyback diode prevents potential back-feeding.
Standard: Equipment on the HD Relay Harness by Morimoto, you can now build your own harnesses like the pros.
Optional: brackets allow you to combine two relays together on a single mount for a clean setup that designed around more than one relay.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
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