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 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