Hydraulic Master Cylinder 3/4 LoadForce MC 34

LoadForce MC34 3/4-Inch Trailer Hydraulic Master Cylinder

Ensure reliable, crisp stopping performance with the genuine LoadForce MC34 Hydraulic Master Cylinder. Priced at $32.50 at North Coast Trailer Spares, this 3/4-inch bore cylinder is specifically engineered for trailer override couplings operating hydraulic brake lines, making it an ideal choice for boat trailers, caravans, and heavy-duty campers across Australia.

Key Performance Features

• Optimal Fluid Displacement: The 3/4″ bore size delivers the precise hydraulic pressure and fluid volume required to activate your braking system.
• Standardized Mounting: Built with a universal 60mm bolt hole center distance for a clean drop-in retrofit on compatible brackets.
• Outback & Marine Ready: Fully compliant with strict Australian standards and fitted with a high-visibility reservoir cap for effortless maintenance and inspection.

Complete Your Hydraulic Assembly Bundle

To establish a fully functional safety park brake mechanism, this master cylinder must be mounted onto a dedicated bracket assembly. It is precision-machined to pair seamlessly with our LoadForce Hydraulic Hand Brake Lever (A803ZHBA).

Need a larger fluid capacity? We also stock the heavy-duty 7/8″ bore variant on our store page.

View the Heavy-Duty 7/8″ Hydraulic Master Cylinder Variant 

Technical SpecificationsBrand: LoadForceSKU / Model: MC34Bore Diameter: 3/4 Inch (19.05mm)Mounting Dimensions: 60mm center-to-center between the two bolt holesCap Type: High-Visibility Protective CapCompatibility: Fits Hydraline kits, H4 and H5-M10 brass unions, CW1 copper washers, and hydraulic brake lines

Technical Specifications

• Brand: LoadForce
• SKU / Model: MC34
• Bore Diameter: 3/4 Inch (19.05mm)
• Mounting Dimensions: 60mm center-to-center between the two bolt holes
• Cap Type: High-Visibility Protective Cap
• Compatibility: Fits Hydraline kits, H4 and H5-M10 brass unions, CW1 copper washers, and hydraulic brake lines

Support, Video Guides & Local Pickup

We take the guesswork out of DIY repairs. Access our step-by-step master cylinder swap video walkthrough and brake bleeding technical link resources directly on our website for an easy, safe installation.

This Copper Washer CW1 is for use with H4 and H5-M10 brass unions on a Hydraline Kit ,Master Cylinders and Brake Calipers.

Here is a link to other brake pads and accessories CLICK HERE

Here is a link to HELP in Bleeding your brakes CLICK HERE

Heres a video to assist with changing this master cylinder CLICK HERE

Meets Australian Standards

• Flat-Rate Shipping: Secure fast flat-rate shipping right across regional and metro Australia.
• Immediate Click & Collect: Pick up your parts immediately by selecting Local Pickup at checkout from our Alstonville showroom: Unit 1, 20 Kay’s Lane, Russellton Industrial Estate, ALSTONVILLE NSW 2477.