1321 Dunbier Replacement Clamp Lock-Up Bolt Only | Marine Trailer Part

🔧 Product Description

Genuine Dunbier Marine Products Jockey-Wheel Clamp Lock-Up Bolt - Part Number: 1321

A replacement locking bolt for compatible Dunbier clamp-mounted jockey wheels. The hand-tightened bolt applies clamping pressure to hold the jockey-wheel tube securely at the selected height or removal position.

⚙️ Key Features

• Replacement clamp-locking component

• Designed for compatible Dunbier jockey-wheel clamps

• Restores secure tube retention

• Serviceable individual component

• Suitable for lost, bent, seized or stripped original bolts

📏 Specifications

• Product type: Clamp lock-up bolt only

• Parent clamp: Dunbier 1320 where the thread and length match

• Handle style, thread diameter and thread pitch must match the original

🔄 Cross Reference & Related Parts

• Related 6-inch jockey-wheel clamp: Dunbier 1320

• Related standard jockey wheel: Dunbier 1290

🚤 Compatibility & Application

• Use only with a compatible clamp thread and tube arrangement

• Do not substitute an ungraded bolt if the original uses a formed handle or pressure pad

• Tighten firmly enough to prevent movement without crushing the jockey-wheel tube

🔌 Function

Applies clamping force to lock the jockey-wheel tube inside its mounting clamp.

Common signs of wear, damage or replacement required:

• Bolt thread is stripped or cross-threaded

• Handle is bent, cracked or difficult to grip

• Bolt seizes inside the clamp

• Pressure end is mushroomed or worn

• Clamp remains loose with the bolt fully tightened

📦 Condition

• Genuine Dunbier Marine Products part

• Brand new

• Supplied in original or equivalent packaging