1929 Dunbier H3028 Mackay Disc Caliper Pads Suits Hydraulic Calipers Set (4) | Marine Trailer Part

🔧 Product Description

Dunbier Standard Hydraulic Disc-Brake Pad Set - Four Pads - Part Number: 1929

A set of four replacement friction pads for hydraulic AL-KO and Meher-style calipers, servicing two trailer brake calipers. The pad profile and standard backing plates are matched to the specified Dunbier/Mackay caliper generation.

⚙️ Key Features

• Four-pad axle set

• Trailer-specific friction material

• Standard backing plates

• Services two calipers / one braked axle

• Designed for the specified mechanical or hydraulic actuation system

📏 Specifications

• Quantity: 4 pads

• Caliper application: hydraulic AL-KO and Meher-style calipers

• Backing: standard backing plates

• Mackay reference: H3028

• Pad shape and retaining method must match the installed caliper

🔄 Cross Reference & Related Parts

• Dunbier: 1929

• Mackay: H3028

• Do not interchange mechanical and hydraulic pad compounds

• Stainless-backed alternatives improve corrosion resistance but still require routine inspection

🚤 Trailer Compatibility & Application

• Suits compatible hydraulic calipers

• Confirm caliper casting, mounting-bolt style and pad shape before ordering

• Rotor thickness and material must remain within specification

🔌 Function

Provides the replaceable friction material that clamps the rotating rotor to slow the trailer.

Common signs of wear or replacement:

• Friction material is worn thin or uneven

• Pad is contaminated with grease or brake fluid

• Backing plate is rusted, bent or separating

• Brakes squeal, pull or overheat

• Caliper piston or lever travel is excessive

🛠️ Installation & Safety

• Replace pads as a complete axle set

• Clean and inspect rotors and calipers

• Do not contaminate friction surfaces

• Confirm pads slide freely and retaining hardware is secure

• Bed new pads with controlled progressive stops

📦 Condition

• Genuine Dunbier Marine Products trailer component

• Brand new

• Supplied as one set of four brake pads

• Supplied in original or equivalent packaging