1679 Dunbier R2200 Mackay Wobble Roller Washers and Split Pins M5 x 32 Clamshell Pack | Marine Trailer Part

🔧 Product Description

Dunbier Wobble-Roller Washer and Split-Pin Kit M5 × 32mm - Part Number: 1679

A clamshell-packed service kit containing matching galvanised washers and split pins for securing compatible wobble rollers to their roller arms or pins. The kit is used when worn, bent or corroded retaining hardware is replaced during roller maintenance.

⚙️ Key Features

• Galvanised retaining hardware for marine-trailer service

• Matched washer and split-pin combination

• Clamshell pack keeps small components together

• Suitable for compatible Dunbier and Mackay wobble-roller assemblies

• Allows roller replacement without reusing fatigued split pins

📏 Specifications

• Split-pin size: M5 × 32mm nominal

• Pack quantity: 5 washers and 5 split pins / 10 pieces total

• Finish: Galvanised

• Mackay reference: R2200

• Not suitable for Dunbier roller assembly 2968

🔄 Cross Reference & Related Parts

• Dunbier: 1679

• Mackay: R2200

• Split-pin-only pack: Dunbier 1678

• Alloy-series retaining clip and washer set: Dunbier 2969D

🚤 Trailer Compatibility & Application

• Suits Dunbier/Mackay wobble-roller assemblies that use the matching 5mm pin and washer arrangement

• Confirm roller-pin hole diameter and installed pin length before fitting

• Not interchangeable with circlip-retained alloy-series rollers

🔌 Function

The washer spreads the retaining load against the roller hub while the split pin prevents the roller or retaining washer from sliding off the support pin.

Common signs of wear or replacement:

• Split pin is bent, fatigued or repeatedly reused

• Washer is dished, cracked or heavily corroded

• Roller has excessive side movement

• Pin ends no longer spread securely

• Retaining hardware is missing after roller service

🛠️ Installation & Safety

• Support the roller arm before removing old hardware

• Fit a new split pin after every disassembly

• Insert fully through the drilled pin and spread both legs securely

• Confirm the roller rotates freely without excessive end float

• Do not substitute undersized soft wire or unverified pins

📦 Condition

• Genuine Dunbier Marine Products trailer component

• Brand new

• Supplied as one clamshell pack containing five washers and five M5 × 32mm split pins

• Supplied in original or equivalent packaging