Product Description
A brake master cylinder is essential in hydraulic brake systems, transforming pedal pressure into hydraulic force to engage the brakes. This 25mm master cylinder (OEM 531916227939) is engineered for Zetor tractors, including UR III Forterra models (post-2010).
Ideal For:
Tractor repair specialists needing OEM-compatible brake components.
Agricultural equipment wholesalers stocking high-demand brake parts.
FAQs:
1. What are your prices?
Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contact us for further information.
2. Do you have a minimum order quantity?
Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out our website.
3. Can you supply the relevant documentation?
Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.
Product Information
| OEM Number | 531916227939 |
| Type | Brake Master Cylinder |
| Operating Diameter | 25mm |
| Material | High-Grade Alloy |
| Color | Black Paint |
| Weight | 0.4kg |
| Working Medium | Brake Fluid (DOT 3/DOT 4) |
| Compatibility | Zetor UR III Forterra (Post-2010) |
| Certifications | ISO9001:2008, TS16949 |
| Warranty | 12 Months |
| Testing | 100% Pre-Shipment Inspection |

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 Cylinder Technicians follow the whole after-sales process; Safe payment methods or percentage for you
Provide solutions within three working days can be negotiated
DRIVE WITH CONFIDENCE