Morimoto Cube Relay
Questions about fitment? Live chat or call 866-235-4715
Couldn't load pickup availability
- 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.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Specifications
| Brand | Morimoto |
|---|---|
| Part number | WP300 |
| 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 |
Features
- Weatherproof Design: Three layers of silicone seals for protection against the elements and moisture.
- Industry Standard Layout: Includes switch (85), ground (86), power input (87), and power output (30).
- High Power Handling: Rated for 12V at up to 40 Amps with high-quality copper coils.
- Flyback Diode: Integrated diode prevents potential back-feeding for added safety.
- Compatible and Versatile: Standard equipment on the HD Relay Harness by Morimoto, ideal for custom harness setups.
Installation
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
The WP320 Weatherpack Protected Relays are designed to provide superior protection for your electrical connections. These relays feature three layers of silicone seals, making them highly resistant to the elements and moisture, ensuring reliable performance in any weather conditions. They adhere to industry standards with a layout that includes essential components such as the switch, ground, power input, and power output. Internally, the WP320 relays are rated to handle up to 12V at 40 Amps, thanks to their high-quality copper coils. Additionally, they are equipped with integrated flyback diodes to prevent back-feeding. These relays are commonly used as standard equipment on the HD Relay Harness by Morimoto, allowing you to build your own harnesses with professional-grade reliability. Trust WP320 relays for robust and dependable electrical connections in your automotive and electronic projects.
Weatherpack Protected: The weatherpack relays (WP320) are 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 when using the appropriate base (sold separately).
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: WP320 is standard equipment on the HD Relay Harness by Morimoto, you can now build your own harnesses like the pros.
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.
No reviews for this part yet. Trucks R Us is rated on Trustpilot, Google and the BBB.