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Dinosaur Electronics 300-3056 Replacement Circuit Board for Onan Generator

Manufacturer

Dinosaur Electronics

<h3>About Dinosaur Electronics</h3><p>Based in Lincoln City, Oregon, <strong>Dinosaur Electronics</strong> has built a well-earned reputation as one of the most trusted names in replacement electronic control boards for RV appliances. For RV owners and service technicians alike, the brand represents a reliable solution when the original control electronics in a rig fail — offering direct-replacement boards engineered to restore full functionality without the guesswork.</p><p>What sets Dinosaur Electronics apart is its singular focus: rather than manufacturing the appliances themselves, the company engineers the electronic brains that make those appliances work. This specialization means their engineering team develops deep expertise in the control logic, pinouts, and failure modes of the RV appliances their boards are designed to replace. The result is a product line that RV service centers have come to depend on for consistent, reliable performance.</p><h3>RV HVAC &amp; Climate Control Solutions</h3><p>A significant portion of the Dinosaur Electronics catalog addresses the climate control needs of modern RVs. Their <a href="/7317-dinosaur-electronics-hvac-heater-control-valve-6860">HVAC Heater Control Valves</a> are among their most popular products, providing precise regulation of coolant flow to keep cabin temperatures comfortable whether you're parked in the desert or at a mountain campsite. Closely related are their Ventilation Parts &amp; Accessories, which round out the airflow management side of RV climate systems — essential for maintaining air quality and comfort in an enclosed living space.</p><p>For those dealing with a malfunctioning rooftop air conditioner or propane furnace, Dinosaur Electronics' Furnace &amp; A/C Control Boards are a go-to replacement option. These boards are designed to match the original specifications of many popular RV furnace and air conditioning units, making them a practical choice for DIY repairs and professional service centers alike. Their <a href="/7317-dinosaur-electronics-hvac-control-module-47959">HVAC Control Modules</a> further expand this coverage, providing the electronic interface between thermostats and climate equipment across a range of RV platforms.</p><h3>RV Refrigerator Electronics</h3><p>Beyond HVAC, Dinosaur Electronics also produces control electronics for RV Refrigerators — the absorption-style units common in motorhomes and travel trailers. These refrigerators rely on precise electronic control to manage ignition, temperature regulation, and fault detection, and Dinosaur Electronics' replacement boards are built to handle those demands reliably.</p><h3>Exceptional Technical Support</h3><p>One hallmark of the Dinosaur Electronics brand is its commitment to customer and technician support. The company provides troubleshooting tips, wiring diagrams, pinout references, and installation instruction sheets to help ensure a smooth repair experience. This depth of documentation is a major reason why professional RV technicians and serious DIYers consistently turn to Dinosaur Electronics when an OEM board is no longer available or simply too expensive to source.</p><p>Whether you're a full-time RVer keeping your home-on-wheels running smoothly or a shop technician looking for dependable replacement electronics, Dinosaur Electronics delivers the quality, compatibility, and support that demanding RV repairs require.</p>

Part Number

300-3056
09/12/2036 8:20 AM
Sale Price

$185.98

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Dinosaur Electronics 300-3056 is a high-quality replacement circuit board designed specifically for Onan generators. This direct replacement board matches the original Onan part numbers 300-3056, 300-3687, and 300-3687-01, making installation straightforward and hassle-free.

Key Features:

  • Superior construction with plated and soldered connections to virtually eliminate intermittent connection issues
  • Includes two fuses and a circuit breaker for protection against short circuit damage
  • Manufactured in Oregon, USA with rigorous quality control testing before packaging
  • Backed by a comprehensive three-year warranty
  • Direct replacement - simply match the Onan part number to this board number

Every Dinosaur Electronics circuit board is tested before packaging to ensure reliable performance. These boards are engineered with the same quality standards that have made Dinosaur Electronics a trusted name in RV generator replacement parts since 1993.

Replaces OEM Part Numbers: 300-3056, 300-3687, 300-3687-01

good price

Simple and fast

quick and easy

Easy

Overall great experience

simple

Talked on the phone first and they were very helpful. Website was very easy to use.

Site is simple and easy to use.

so far so good

Great price and fast shipping.

Very nice people very considerate and helpful plus the price was nice

Thanks!

Good so far

good

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