High-performance EPDM brake cup seals designed for hydraulic brake systems, providing reliable sealing performance, excellent brake fluid resistance, and long service life for automotive, motorcycle, ATV, and industrial applications.
Brake Cup Seal
Product Description
EPDM Brake Cup Seal for Hydraulic Brake Systems
Our brake cup seals are precision-molded rubber sealing components designed for hydraulic braking systems. They are widely used in brake master cylinders, wheel cylinders, clutch cylinders, and other hydraulic control systems.
Manufactured from specially formulated EPDM rubber, these brake cups provide excellent compatibility with glycol-based brake fluids such as DOT 3, DOT 4, and DOT 5.1, ensuring stable sealing performance under high-pressure and repeated braking conditions.
With advanced rubber molding technology and strict quality control, we supply reliable brake cup seals for automotive aftermarket, motorcycle, ATV, and industrial vehicle applications.
Key Features
✅ Excellent Brake Fluid Resistance
Made from brake-fluid-resistant EPDM compound, suitable for DOT 3, DOT 4, and DOT 5.1 brake fluids.
✅ Reliable Hydraulic Sealing Performance
The optimized lip design ensures effective sealing under pressure and prevents brake fluid leakage.
✅ High Wear Resistance
Designed for continuous piston movement with excellent durability and low friction performance.
✅ Precision Molded Rubber Component
Produced with high-precision molds to maintain consistent dimensions and stable assembly performance.
✅ Custom OEM Production Available
We support customized sizes, rubber compounds, packaging, and OEM production according to customer requirements.
Applications
Brake Cup Seals are commonly used in:
- Automotive brake master cylinders
- Wheel cylinder repair kits
- Motorcycle hydraulic brake systems
- ATV / UTV brake systems
- Agricultural machinery brake systems
- Industrial hydraulic control systems
Material
Standard Material:
EPDM (Ethylene Propylene Diene Monomer)
Advantages:
- Excellent resistance to glycol-based brake fluids
- Excellent ozone and weather resistance
- Good high-temperature resistance
- Long service life








