2890G Dunbier Bumper Block (Grey) Suits 55mm Inside | Marine Trailer Part

🔧 Product Description

Dunbier Grey Channel Bumper Block for 55mm Internal Carrier – Part Number: 2890G

A moulded grey channel-style bumper block designed to fit over a trailer support or guide with approximately 55mm internal width. It creates a continuous hull-protection surface over metal guide arms, bunks or frame members.

⚙️ Key Features

• Grey hull-contact surface
• Designed around an approximately 55mm internal channel
• Cushions and separates the hull from steel support hardware
• Suitable for cut-to-length trailer-guide applications
• Marine-resistant moulded material

📏 Specifications

• Colour: Grey
• Internal channel: Approximately 55mm
• Length: Current supplied length; confirm before ordering
• Mounting hardware is not included unless stated

🔄 Cross Reference & Related Parts

• Dunbier: 2890G
• 55mm family: 2890, 2890B, 2890B-3M and 2890G
• 40mm family: Dunbier 2891B
• Rolla-arm block: Dunbier 2888

🚤 Trailer Compatibility & Application

• Suitable for correctly sized Dunbier guide, bumper and support sections
• Measure the carrier's outside dimensions and the block's internal channel before purchase
• Use only where the block provides even hull support

🔌 Function

Provides a replaceable low-friction buffer between the boat hull and trailer support structure.

⚠️ Common Signs of Failure

• Block is split or detached
• Hull-contact face is worn through
• Material is hardened or brittle
• Fasteners are exposed
• Block no longer grips the support section

🛠️ Installation & Safety

• Cut squarely using suitable tools
• Deburr and clean the support
• Secure with recessed fasteners or the specified retention method
• Avoid joints at high-load hull-contact points
• Confirm no sharp metal remains exposed

📦 Condition

• Genuine Dunbier Marine Products part
• Brand new
• Supplied as one grey bumper block
• Supplied in original or equivalent packaging