# 3916 Dunbier Outboard Motor Support Mounting Bracket | Marine Trailer Part

🔧 Product Description

  

Dunbier Trailer Mounting Bracket for Universal Outboard Support - Part Number: 3916

  

A galvanised trailer-side mounting bracket for Dunbier universal outboard support 3915. It provides a fixed attachment point on the rear trailer structure so the adjustable support can be installed securely and consistently.

  

⚙️ Key Features

  

• Designed for Dunbier 3915 support

• Galvanised steel construction

• Provides repeatable trailer-side support location

• Bolt-on or trailer-specific installation

• Replacement for damaged or missing mount

  

📏 Specifications

  

• Application: Dunbier 3915

• Finish: galvanised

• Mounting hardware and frame dimensions must match the trailer

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 3916

• Motor support: Dunbier 3915

• Motorflex complete assembly: Dunbier 3927

  

🚤 Trailer Compatibility & Application

  

• Suitable for trailer frames where the bracket can be mounted in line with the outboard lower unit

• Must not interfere with tilt, steering, lights or launch clearance

  

🔌 Function

  

Anchors the lower end of the universal motor support to the trailer.

  

Common signs of wear or failure:

  

• Bracket is bent

• Mounting holes are elongated

• Fasteners loosen

• Deep corrosion is present

• Support angle no longer aligns with the motor

  

🛠️ Installation & Safety

  

• Mount to a structurally sound trailer member

• Use rated galvanised fasteners and locking nuts

• Set the bracket position with the engine in its approved towing position

• Confirm launch and road clearance

• Recheck after the first trip

  

📦 Condition

  

• Genuine Dunbier Marine Products part

• Brand new

• Supplied as one galvanised outboard-support mounting bracket

• Supplied in original or equivalent packaging

## Details

- **Price:** 28.5 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.50 AUD | In stock |

## Images

- 3916 Dunbier Outboard Motor Support Mounting Bracket | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3916-dunbier-outboard-motor-support-mounting-bracket)
> Updated: 2026-08-05