H3019-SS Mackay Deemax Caliper Stainless Steel | Marine Trailer Part
H3019-SS Mackay Deemax Caliper Stainless Steel | Marine Trailer Part
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🔧 Product Description
Mackay DeeMaxx 12-Inch Stainless Steel Hydraulic Caliper – Part Number: H3019-SS
A stainless-steel floating hydraulic trailer disc-brake caliper for Mackay 2-tonne 12-inch brake axles. The floating caliper applies hydraulic pressure through its piston to clamp the brake pads against the DeeMaxx 12-inch rotor system.
⚙️ Key Features
- Stainless-Steel Floating Hydraulic construction
- Designed for DeeMaxx 12-inch rotor system
- Floating/sliding caliper operation
- Marine trailer hydraulic brake application
- Serviceable pads and hydraulic components
📏 Specifications
- Rotor compatibility: DeeMaxx 12-inch rotor system
- Caliper family: Mackay 2-tonne 12-inch brake axles
- Brake-fluid connection and mounting-hole spacing must match
- Supply quantity: Confirm title/package; H3010 is supplied as a pair
🔄 Cross Reference & Related Parts
- Mackay: H3019-SS
- Brake pads, slide pins, seals and mounts must match the exact caliper family
- AL-KO/Meher, Trojan and DeeMaxx calipers are not interchangeable merely because the rotor diameter is similar
🚤 Trailer Compatibility & Application
- Suitable for Mackay 2-tonne 12-inch brake axles
- Use only with the correct rotor thickness, caliper bracket and hydraulic pressure system
- Pad friction material and backing plate must match the caliper
🔌 Function
Converts hydraulic fluid pressure into pad clamping force to slow the rotating trailer brake disc.
⚠️ Common Signs of Failure
- Brake fluid leaks past the piston seal
- Piston or slide pins seize
- Pads wear unevenly
- Caliper body is cracked or heavily corroded
- Trailer pulls to one side or a wheel runs hot
- Brake does not release after pedal application
🛠️ Installation & Safety
- Brake work should be completed by a competent trailer technician
- Use the correct caliper mount and high-tensile fasteners
- Fit new sealing washers where required
- Bleed all air from the hydraulic circuit
- Confirm free sliding movement and rotor clearance
- Road-test progressively and recheck for leaks
📦 Condition
- Brand new Mackay trailer component
- Supplied as one caliper or pair as identified in the product title
- 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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