H3080 Mackay 1953 Dunbier Replacement Stainless Steel Caliper Piston Suits Hydraulic Caliper # 1956 | Marine Trailer Part

🔧 Product Description

Mackay Stainless Steel Hydraulic Caliper Piston - Part Number: H3080

A replacement stainless caliper piston for AL-KO, Meher and Trojan hydraulic calipers including Dunbier 1956. It allows a structurally sound caliper to be serviced when the relevant piston, seal, boot or sliding hardware has worn or corroded.

⚙️ Key Features

• Application: AL-KO, Meher and Trojan hydraulic calipers including Dunbier 1956

• Component type: stainless caliper piston

• Marine trailer hydraulic brake service part

• Restores correct sealing or sliding operation

• Matched replacement geometry

📏 Specifications

• Piston diameter and height must match the original bore

• Inspect the caliper bore, bracket and pad abutments before rebuilding

• Brake-fluid compatibility and dimensions must match the original

🔄 Cross Reference & Related Parts

• Mackay: H3080

• Dunbier: 1953

• Use only within the exact caliper family; visually similar components may have different dimensions

🚤 Trailer Compatibility & Application

• Suitable for AL-KO, Meher and Trojan hydraulic calipers including Dunbier 1956

• Not suitable for DeeMaxx parts unless explicitly listed as DeeMaxx

• A cracked, deeply pitted or distorted caliper body must be replaced rather than rebuilt

🔌 Function

Restores the sealing, piston movement or floating-caliper travel required for even hydraulic braking.

Common signs of wear or replacement:

• Brake fluid leaks

• Piston or slide hardware seizes

• Dust boot is split

• Pads wear unevenly

• Caliper does not release

• Corrosion or pitting damages the service component

🛠️ Installation & Safety

• Brake service should be performed by a competent technician

• Keep all parts and fluid absolutely clean

• Use brake-compatible assembly lubricant only where specified

• Replace seals rather than reusing them

• Bleed and pressure-test the system after service

📦 Condition

• Brand new Mackay trailer component

• Supplied as one repair component or kit as identified

• Supplied in original or equivalent packaging