H3028 Mackay 1929 Dunbier Disc Caliper Pad Set of 4 Suits Hydraulic Calipers | Marine Trailer Part
H3028 Mackay 1929 Dunbier Disc Caliper Pad Set of 4 Suits Hydraulic Calipers | Marine Trailer Part
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🔧 Product Description
Mackay Hydraulic Disc-Brake Pad Set of Four with Standard Backing Plates – Part Number: H3028
A four-pad service set for compatible AL-KO and Trojan hydraulic trailer calipers. The specialised hydraulic-trailer friction material is bonded to standard backing plates, with the stainless version providing improved resistance to backing-plate corrosion in saltwater service.
⚙️ Key Features
- Set of four pads services two compatible calipers
- Friction material formulated for hydraulic trailer brakes
- Standard Backing Plates
- Direct replacement shape for listed caliper family
- Suitable for boat-trailer service
📏 Specifications
- Quantity: 4 pads
- Caliper compatibility: Selected AL-KO and Trojan hydraulic calipers
- Backing plate: standard backing plates
- Dunbier reference: 1929
🔄 Cross Reference & Related Parts
- Mackay: H3028
- Dunbier: 1929
- DeeMaxx pad shapes are catalogued separately and must not be substituted
🚤 Trailer Compatibility & Application
- Suitable only for calipers using the matching pad profile and retaining arrangement
- Replace pads as an axle set to maintain balanced braking
🔌 Function
Provides the friction surfaces that clamp the brake disc and convert motion into heat.
⚠️ Common Signs of Failure
- Friction material is below service thickness
- Pads are oil- or brake-fluid contaminated
- Backing plates are rusted, bent or separated
- Wear is tapered because the caliper slides are seized
- Braking becomes noisy, weak or uneven
🛠️ Installation & Safety
- Inspect rotor thickness and surface before fitting pads
- Clean and lubricate only the approved caliper slide points
- Keep grease and brake fluid off the friction surfaces
- Bleed and test the system if hydraulic components were opened
- Bed the pads according to the brake manufacturer's instructions
📦 Condition
- Brand new Mackay trailer component
- Supplied as one set of four hydraulic brake pads
- Supplied in original or equivalent packaging
Shipping & Delivery
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
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?
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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