1850 Dunbier H3068 Mackay Hydraulic Flexible Hose | Marine Trailer Part
1850 Dunbier H3068 Mackay Hydraulic Flexible Hose | Marine Trailer Part
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🔧 Product Description
Dunbier Hydraulic Flexible Brake Hose – Part Number: 1850
A flexible hydraulic brake hose used between moving trailer components or between rigid line and a caliper/coupling connection. The hose accommodates suspension and steering-like movement without placing bending load on rigid brake tube.
⚙️ Key Features
- Pressure-rated trailer hydraulic brake hose
- Flexible construction for moving joints
- Compatible flare fittings at both ends
- Marine-trailer replacement component
- Mackay cross-reference H3068
📏 Specifications
- Mackay: H3068
- Exact hose length and end threads must match the original
- Use with compatible trailer brake fluid
- Do not twist during installation
🔄 Cross Reference & Related Parts
- Dunbier: 1850
- Mackay: H3068
- Braided stainless alternatives: Dunbier 1893–1901
- Copper sealing gasket: Dunbier 1881 where the fitting design requires it
🚤 Trailer Compatibility & Application
- Suits compatible Dunbier hydraulic brake systems
- Commonly installed at calipers, axles or coupling transitions
- Not a universal automotive hose; verify flare and thread
🔌 Function
Carries pressurised brake fluid while flexing with axle, caliper or coupling movement.
⚠️ Common Signs of Failure
- Cracks, bulges or abrasion on the hose cover
- Fluid seepage at the crimp or fittings
- Hose twists, kinks or rubs the tyre
- Brake drag from internal hose collapse
- Soft pedal or pressure loss
🛠️ Installation & Safety
- Replace any damaged hose immediately
- Route with full suspension and coupling movement considered
- Use new sealing washers where specified
- Bleed the system after installation
- Keep brake fluid away from painted surfaces
📦 Condition
- Genuine Dunbier Marine Products trailer component
- Brand new
- Supplied as one hydraulic flexible brake hose
- 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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