3139G Dunbier Weld-On Frame U Bracket Mount (Galvanived Metal Finish) | Marine Trailer Part

🔧 Product Description

Genuine Dunbier Marine Products Weld-On Galvanised Frame U-Bracket - Part Number: 3139G

A galvanised weld-on frame U-bracket for attaching a 20mm square leg roller, pad or support leg to a compatible trailer frame. The bracket provides a pivoting or clamped connection using the supplied half-inch fastener arrangement.

⚙️ Key Features

• Weld-on mounting configuration

• Galvanised finish

• Accepts a 20mm square leg support leg

• Replaceable trailer-support mounting component

• Supply format: bracket with 1/2-inch bolt and nut

📏 Specifications

• Leg size: 20mm square leg

• Pivot/retaining fastener: 1/2-inch bolt and nut

• Installation type: Weld-on

• Surface finish: Galvanised

📋 Supplied Components

• bracket with 1/2-inch bolt and nut

🔄 Cross Reference & Related Parts

• Raw weld-on version: Dunbier 3139

• Bolt-on version: Dunbier 3138B

🚤 Compatibility & Application

• Compatible Dunbier roller, pad or support legs matching the stated section

• Weld-on versions must be installed by a competent welder

• Protect raw metal after welding with a suitable marine corrosion-control system

• Bolt-on versions require correct frame width, backing and fastener torque

🔌 Function

Secures a support leg to the trailer frame while providing the required fixed or pivoting connection.

Common signs of wear, damage or replacement required:

• Bracket is cracked, bent or distorted

• Bolt hole is elongated

• Weld is cracked or corroded

• Support leg has excessive movement

• Retaining bolt or nut is damaged

📦 Condition

• Genuine Dunbier Marine Products part

• Brand new

• Supplied in original or equivalent packaging