Product Description
The Brake Master Cylinder is a critical hydraulic component that converts brake pedal pressure into hydraulic force, activating the braking system. The HBS OEM 15920389 Brake Master Cylinder (also compatible with 15 920389 & 15/920389) ensures reliable performance for JCB 3CX & 4CX models. Key features include corrosion-resistant construction, mineral oil compatibility, and precise OEM specifications.
As a trusted brake cylinder master manufacturer, HBS delivers durable brake master cylinders for heavy-duty applications. This JCB 3CX brake master cylinder replacement meets strict quality standards, offering long-lasting performance. Ideal for construction equipment brake systems, it ensures safety and efficiency.
Product Information
Model No |
15920389 15 920389 15/920389 |
Color |
Black |
Package Size |
Standard Size |
Type |
Brake Cylinder |
Car Make |
JCB backhoe loader
|
Description |
brake master cylinder with hydraulic fluid(MINERAL OIL)
|
Excavator Part |
JCB 3CX/4CX |

About HBS
Hipsen(Quzhou) Brake System Parts Co., Ltd (HBS) is a professional manufacturer of auto brake master cylinders. We produce aftermarket parts and provide custom manufacturing services.
Our products have been exported to North America, Europe…etc since 2015. We have been verified with a quality certificate of ISO9001:2015, and the ISO/TS16949 certificate is coming in 2024.
Both the finished products and the production processes have received recognition from the brands we have collaborated with For example, Cardone, Ford Otosan, Polaris, Electra Meccanica, Wildwood, Hayes, and ZongShen.
Why Choose HBS

Numerous models in stock One-year Warranty Friendly Payment Methods
Complete coverage, check in Brake Master Technicians follow the whole after-sales process; Safe payment methods or percentage for you
Cylinder Provide solutions within three working days can be negotiated
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