# Dinosaur Electronics 300C859 Onan Generator Replacement Circuit Board

**Product Details:**

The Dinosaur Electronics 300C859 is a replacement generator circuit board for Onan generators. It is also sold as a generator control board. It is intended for replacing an Onan circuit board in RV and other Onan generator applications.

**Key Features:**

-   Double-sided plated thru-hole construction to virtually eliminate intermittent connections
-   Attached wire harness for easier installation
-   Fuse on the board for protection from short circuit damage

This board is a direct-replacement option for an Onan generator circuit board.

**FAQ**

**What part number is this?**  
The listed part number is 300C859.

**Should I confirm product specifications before ordering?**  
Yes. Compare the original product specifications with the information supplied.

**Common Searches**

-   Dinosaur Electronics 300C859
-   300C859 Onan Generator Replacement Circuit Board
-   Dinosaur Electronics Onan Generator Replacement Circuit Board

## Details

- **Price:** 424.93 CAD
- **Vendor:** Dinosaur Electronics
- **Type:** Control Boards
- **Tags:** 300C859, Control Boards, Dinosaur Electronics

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 424.93 CAD | In stock |

## Images

- Dinosaur Electronics 300C859 Onan Generator Replacement Circuit Board

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/dinosaur-electronics-300c859-onan-generator-replacement-circuit-board)
> Updated: 2026-11-07