2888 Dunbier Bumper Block W45xH45 x 400mm Grey Suits Rolla Arms | Marine Trailer Part

🔧 Product Description

Dunbier Grey Rolla-Arm Bumper Block 45 × 45 × 400mm - Part Number: 2888

A grey protective bumper block for Dunbier Rolla-Arm trailer assemblies. The 45 × 45mm section and 400mm length create a low-friction contact face that guides and cushions the hull as the boat is loaded or transported.

⚙️ Key Features

• Grey moulded hull-protection material

• Designed for Dunbier Rolla Arms

• Reduces metal-to-hull contact

• Long 400mm support surface

• Replacement for worn or damaged guide blocks

📏 Specifications

• Width: Approximately 45mm

• Height: Approximately 45mm

• Length: Approximately 400mm

• Colour: Grey

🔄 Cross Reference & Related Parts

• Dunbier: 2888

• Related long bumper sections: Dunbier 2890-series

• Rolla-arm bracket and fasteners are sold separately

🚤 Trailer Compatibility & Application

• Suitable for compatible Dunbier Rolla-Arm assemblies

• Use where the hull-contact angle matches the block profile

• Not a substitute for a load-bearing keel roller

🔌 Function

Provides a sacrificial cushioned sliding surface that helps guide the hull and protect its finish.

Common signs of wear or failure:

• Block is deeply grooved

• Mounting holes tear or elongate

• Material becomes brittle

• Fasteners protrude into the hull-contact face

• Block separates from the Rolla Arm

🛠️ Installation & Safety

• Remove all sharp edges from the carrier

• Use countersunk or recessed fasteners

• Align the block with the hull contact path

• Do not overtighten and distort the material

• Replace if fasteners can contact the hull

📦 Condition

• Genuine Dunbier Marine Products part

• Brand new

• Supplied as one grey 45 × 45 × 400mm bumper block

• Supplied in original or equivalent packaging