CUMMINS 307-1886 Onan Relay

( Brand: Cummins ), ( Manufacturer Part Number: 307-1886 ), ( Equipment Type: Control Panel )

Review CUMMINS Onan Relay

The Cummins 307-1886 Onan relay is an essential component for operating Onan generators installed in recreational vehicles, boats, and other off-grid applications. This heavy-duty automotive-style relay is specifically designed and manufactured to meet the demanding requirements of Cummins engines and Onan generators.

The relay features a robust and durable design, with a copper-alloy contact material that ensures reliable electrical performance even under heavy loads. The contacts are rated for a maximum current of 25 amps at 12 volts, making it suitable for starting and operating various electrical components, including generators, compressors, and pumps.

The Cummins 307-1886 Onan relay is designed to switch 12 volts DC circuits and comes with a built-in 30-amp fuse that protects against over-current conditions. The relay also includes a 12-volt DC coil that requires a minimum of 12 volts and 12 watts to activate the contacts.

The relay housing is made of high-impact thermoplastic material that provides excellent protection against vibration, moisture, and other environmental factors. The relay terminals are gold-plated to ensure a good electrical connection and prevent corrosion.

The Cummins 307-1886 Onan relay is easy to install and comes with clear labeling on the terminal ends to ensure proper connection. The relay is designed to mount on a flat surface using the included mounting hardware and can be wired in parallel with other relays for additional circuit protection.

Overall, the Cummins 307-1886 Onan relay is an excellent choice for anyone requiring a reliable and robust relay for Onan generator applications. Its heavy-duty construction, high-current rating, and built-in fuse protection ensure reliable operation in even the most demanding environments. Whether you are an RV enthusiast, boat owner, or off-grid builder, this relay is an essential component that you can count on to keep your electrical systems running smoothly.

Buying a Cummins 307-1886 ONAN relay can be a viable solution for those who own generators with ONAN control systems. Here are some pros and cons that can help you make an informed decision.

1. Reliability: Cummins is a well-known brand in the industrial power industry, and their relays are known for their durability and reliability.

2. Easy installation: The Cummins 307-1886 ONAN relay is designed to be a direct replacement for the original equipment manufacturer (OEM) relay. This means that the installation process is typically straightforward and does not require any major modifications.

3. Improved performance: Upgrading to a Cummins relay can provide better contact integrity, faster response times, and improved overall performance compared to the OEM relay.

1. Cost: Cummins relays can be more expensive than OEM relays, which may be a deterrent for some consumers.

2. Compatibility: While the Cummins 307-1886 ONAN relay is designed to be a direct replacement for many generators, it may not be compatible with all models. It is essential to verify that the relay is suitable for your specific generator model before making a purchase.

3. Availability: Cummins relays may not be as widely available as OEM relays, which could make it more challenging to find a local supplier or distributor.

In conclusion, the Cummins 307-1886 ONAN relay offers several advantages, including improved reliability, easy installation, and better performance. However, it also comes with some drawbacks, such as higher cost, potential compatibility issues, and limited availability. Ultimately, the decision to buy a Cummins relay depends on your specific needs, budget, and generator model.

If you own a generator with a known issue with the OEM relay, or if you want to improve the overall performance of your generator, upgrading to a Cummins relay may be a worthwhile investment. However, if cost is a significant concern, or if you are unsure of the compatibility, it may be wise to consider other options or consult with a qualified generator technician before making a purchase.

Details:

This relay is a crucial component in the engines control system, ensuring efficient and reliable performance. The Onan Cummins Relay 307-1886 is a control panel equipment designed specifically for use with brand engines. With a focus on quality and compatibility, this product is essential for maintaining the functionality of engine ensuring smooth operation.

part #: 3071886 prices

• $15.99-$16.95

specifications generatormac:

• brand: Cummins
• mpn: 307-1886
• equipment type: Control Panel

seller generatormac:

• city: Harwich Port, Massachusetts
• # reviews: 46
• rating: 100.0%

payments generatormac:

• other
• wallet: Paypal
• credit card: Discover

offer generatormac:

• quantity: 2
• sold: 0
• started: March 10, 2026
• availability: In Stock
• options: Ship-to-home

shipping generatormac:

• service: UPS Ground
• cost: $16.72
• type: Calculated
• transit: 3-8 Days
• carrier: UPS
• class: Standard

returns generatormac:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Seller

general generatormac:

• Business Industrial > Light Equipment Tools > Generator Parts Accessories
• condition: New Open box

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