9-inch Hydraulic Wheel Cylinder – 319010

Part No: 319010 Category:


7 in stock

7 in stock

Frequently Replaced Together

9-inch Hydraulic Brake Shoes

Suits AL-KO style 9" hydraulic backing plates.
High-quality component that won't wear prematurely.
✓ Quick and easy to install so you can get back on the road.

Supplied by Couplemate™️ Trailer Parts.

Couplemate accepts PayPal, Visa and Mastercard.

9-inch Hydraulic Wheel Cylinder

The 9-inch Hydraulic Wheel Cylinders control and convert non-hydraulic pressure into hydraulic pressure. AL-KO-style 9-inch hydraulic backing plates feature a dual-wheel cylinder, meaning they have two pistons to complete this function.

Wheel cylinders have a bleed nipple located at the top of the cylinder. When bleeding your hydraulic brake system, air rises to the top of the cylinder and is released. Couplemate™ recommends attaching a clear tube to the nipple to return fluid to the bottle when bleeding.

If you are looking to maintain your caravan or trailer, we recommend replacing your brake shoes at the same time. Alternatively, you can replace the entire backing plate for an easier job.

Product Specifications

How Do Hydraulic Brakes Work?

The principle of a hydraulic brake system is simple. Suitable for 9-inch hydraulic backplates, this cylinder converts your foot-pedal force into hydraulic pressure that forces the brake fluid into the calipers. Subsequently, this pressure forces the brake pads to clamp the rotor and slow down the vehicle.

Additional information

Weight0.5 kg
Dimensions4 × 4 × 10 cm

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.


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