# 3163B Dunbier Loader-Pro Adjustable Front "V" Support 250mm Legs | Marine Trailer Part

🔧 Product Description

  

Genuine Dunbier Marine Products Loader-Pro Adjustable Front V-Support with 250mm Legs - Part Number: 3163B

  

An adjustable front V-support for Dunbier Loader-Pro hull trailers. The bumper block and bracket provide a cushioned bow/keel locating point, while the long vertical legs allow the support height to be set for the individual hull.

  

⚙️ Key Features

  

• Adjustable front V-shaped hull support

• Designed for Dunbier Loader-Pro trailers

• Cushioned bumper block limits metal-to-hull contact

• Vertical leg length: 250mm

• Galvanised marine-trailer bracketry

  

📏 Specifications

  

• Leg length: 250mm

• Support type: Adjustable front V-support

• Supply format: bulk/replacement supply

• Slide bracket and mounting hardware must match the trailer cross-member

  

🔄 Cross Reference & Related Parts

  

• Short-leg version: Dunbier 3162

• Long-leg versions: Dunbier 3163 and 3163B

• Replacement V-bracket family: Dunbier 3133B

  

🚤 Compatibility & Application

  

• Dunbier Loader-Pro hull trailers using the matching front support geometry

• Set the support under a reinforced bow or keel area

• The front V should locate the hull without carrying excessive boat weight

• Confirm clearance to the winch post, bow eye and loading path

  

🔌 Function

  

Centres and cushions the forward hull while limiting lateral movement on the trailer.

  

Common signs of wear, damage or replacement required:

  

• Bumper block is cracked, hardened or missing

• Legs are bent or corroded

• Support slips in the mounting bracket

• Hull contacts bare metal

• V-support is misaligned with the keel

  

📦 Condition

  

• Genuine Dunbier Marine Products part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 43.5 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 43.50 AUD | In stock |

## Images

- 3163B Dunbier Loader-Pro Adjustable Front "V" Support 250mm Legs | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3163b-loader-pro-adjustable-front-v-support-250mm-legs)
> Updated: 2026-08-05