
0307-1166 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $54.95 | Condition is New, CUMMINS ONAN OEM RELAY-START SOLENOID 0307-2570, shipping cost = $9.52 | 100.0% |
![]() | $62.59 | Condition is New, VANLIFE CENTRAL MS RV REPAIR CUMMINS ONAN OEM RELAY-START SOLENOID 0307-2570, shipping cost = $13.46 | 100.0% |

The Cummins Onan 0307-1166 relay-start solenoid is an essential component in the starting system of Onan RV generators powered by Cummins engines. This solenoid is specifically designed to work with the 3000-watt and 4000-watt Onan RV generators.
The relay-start solenoid is a compact, yet robust device, measuring approximately 2.5 inches long, 1.5 inches wide, and 1 inch high. Its sleek design ensures that it blends seamlessly with the generator's electrical system. The solenoid is made of high-quality materials, ensuring durability and reliability under the most demanding operating conditions.
The solenoid's primary function is to actuate the starter motor when the generator is started manually or automatically. It does this by creating a momentary electrical circuit between the battery and the starter motor. When the solenoid is activated, the starter motor engages, and the generator comes to life.
The 0307-1166 relay-start solenoid is designed to be easy to install, with clear markings indicating the positive and negative terminals. It is also designed to be easy to maintain, as it has no moving parts that require regular lubrication.
The solenoid is rated for a maximum current of 120 amps at 12 volts, ensuring that it can handle the heavy current demands of the starter motor. It also has a thermal overload protection feature, which helps prevent damage to the solenoid if it becomes too hot.
The Cummins Onan 0307-1166 relay-start solenoid is an essential component for anyone who relies on their Onan RV generator for power on the road or in the wilderness. Its rugged design, ease of installation, and reliable performance make it an indispensable part of the generator's electrical system.
Cummins Onan 0307-1166 Relay-Start Solenoid: A Comprehensive Analysis
Introduction:The Cummins Onan 0307-1166 relay-start solenoid is a crucial component in the starting system of Onan RV generators. This part is responsible for receiving electrical signals from the controller and initiating the start sequence of the generator. In this analysis, we will explore the pros and cons of buying this particular relay-start solenoid.
Pros:1. OEM Quality: This part is an original equipment manufacturer (OEM) component, ensuring compatibility and quality.
2. Reliability: Cummins Onan is a reputable brand known for its durable and dependable products.
3. Easy Installation: The relay-start solenoid is a straight replacement for the old part, making the installation process simple and straightforward.
4. Long-lasting: The OEM design and high-quality materials used in this solenoid contribute to its long lifespan.
Cons:1. Cost: The Cummins Onan 0307-1166 relay-start solenoid might be more expensive compared to aftermarket alternatives.
2. Availability: This part might not be readily available at local retailers, requiring online purchases.
3. Limited Compatibility: This solenoid is specifically designed for Cummins Onan generators, limiting its applicability to other brands or models.
Conclusion:The Cummins Onan 0307-1166 relay-start solenoid offers several advantages, such as its OEM quality, reliability, and ease of installation. However, it comes with some disadvantages, including its cost, limited availability, and compatibility. Ultimately, the decision to purchase this part depends on the individual's priorities. If reliability and compatibility are top concerns, the Cummins Onan 0307-1166 relay-start solenoid is an excellent choice. However, if cost is a major factor, one might consider exploring aftermarket alternatives.
Recommendation:For RV owners with Cummins Onan generators who require a reliable and durable relay-start solenoid, the Cummins Onan 0307-1166 is a recommended option. It ensures compatibility and longevity, making it a worthwhile investment for those who prioritize quality and peace of mind.
Details:
Read carefully. Otherwise fine. Quicker delivery. Everything was pretty dirty.
Shipped USPS first class padded flat rate envelope. Sitting on shelves in half opened boxes.
specifications maxohvac:
- brand: Cummins Onan
- mpn: 0307-1166
- model: 0307-2570
- part type: Solenoid
seller maxohvac:
- city: san diego, california
- rating: 100.0%
- # reviews: 1143
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: no returns
payments maxohvac:
- credit card: discover
- other
- wallet: google-pay
offer maxohvac:
- in stock #: 2
- prices: $54.95–$62.59
- item condition: New
- started: september 14, 2025
- sold #: 16
- availability: in stock
- options: ship-to-home
shipping maxohvac:
- service: usps priority mail padded flat rate envelope
- transit: 4-9 days
- class: expedited
- carrier: usps
- type: fixed

