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H3084 Mackay 1955 Dunbier Hydraulic Slide Pin Kit Suits AL-KO & Trojan Caliper Pair | Marine Trailer Part

H3084 Mackay 1955 Dunbier Hydraulic Slide Pin Kit Suits AL-KO & Trojan Caliper Pair | Marine Trailer Part

$139.00 AUD
$139.00 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Mackay Hydraulic Caliper Slide-Pin Repair Kit – Part Number: H3084

A replacement slide-pin kit for a caliper pair for AL-KO, Meher and Trojan hydraulic calipers. 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
  • Component type: slide-pin kit for a caliper pair
  • Marine trailer hydraulic brake service part
  • Restores correct sealing or sliding operation
  • Matched replacement geometry

📏 Specifications

  • Supplied complete as shown in the Mackay catalogue
  • Inspect the caliper bore, bracket and pad abutments before rebuilding
  • Brake-fluid compatibility and dimensions must match the original

🔄 Cross Reference & Related Parts

  • Mackay: H3084
  • Dunbier: 1955
  • 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
  • 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 Failure

  • 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

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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