# H3577G Mackay 75mm Heavy-Duty Winch Bracket Galvanised | Marine Trailer Part

🔧 Product Description

  

Genuine Mackay Marine Trailer Products Galvanised Heavy-Duty Winch Bracket for 75mm Post - Part Number: H3577G

  

A galvanised bracket for mounting a manual trailer winch and heavy-duty bow support on a 75mm winch post.

  

⚙️ Key Features

  

• Galvanised steel construction

• Post size: 75mm

• Bracket style: heavy-duty

• Bow support: heavy-duty bow support

• Adjustable winch and roller mounting

  

📏 Specifications

  

• Winch-post section: 75mm

• Winch type: Manual/model-specific

• Hole pattern must match the winch and post

  

🔄 Cross Reference & Related Parts

  

• Use with a Mackay winch post matching the stated section

  

🚤 Compatibility & Application

  

• Align the winch strap directly with the bow eye

• Set the bow support against a strong hull area

• Use high-tensile fasteners

• Recheck torque after use

  

🔌 Function

  

Supports and positions the winch and bow-restraint hardware.

  

Common signs of wear, damage or replacement required:

  

• Bracket is bent or cracked

• Mounting holes are elongated

• Winch or roller is misaligned

• Corrosion weakens the bracket

  

📦 Condition

  

• Genuine Mackay Marine Trailer Products part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 311.8 AUD
- **Vendor:** Mackay
- **Tags:** Mackay Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 311.80 AUD | In stock |

## Images

- H3577G Mackay 75mm Heavy-Duty Winch Bracket Galvanised | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/h3577g-mackay-75mm-heavy-duty-winch-bracket-galvanised-1)
> Updated: 2026-08-05