Rear Brake Pump Boot Cover Description
Physical Properties | ||
Test Method | Norm | Test Values |
Hardness | ISO 48 Method M | 80 ± 5 IRHD |
Tensile Strength at break | ISO 37 | 14.5 MPa |
Elongation at break | ISO 37 | 490% |
Specific Weight | ISO 2781 | 1.26 |
Compression Set 25% compression - 22h/100°C on slab on O-Ring (3,53 mm) |
ISO 815
|
max 12% max 20% |
Heat Ageing 70h/100°C Hardness Change |
ISO 188
|
max +6° |
Introduce
A rubber component called the rear brake pump boot cover is used to shield a motorcycle's rear brake pump. It is installed above the piston rod of the rear brake pump and fills the gap that exists between the pump and other components. It prevents impurities from accumulating inside the brake pump, reduces wear and corrosion on brake pump components, and provides consistent braking performance.

Advantage
Rear brake pump boot covers offer several benefits, especially when it comes to protecting brake system components. Here are the main benefits:
- Debris Protection
The main function of a rear brake pump boot cover is to prevent dirt, dust, and other debris from entering the area between the brake piston and the caliper bore.
- Enhanced Durability
These covers are often made of high-quality materials such as rubber, which provide strong protection against mechanical damage.
- Cost-Effective Maintenance
By preventing debris ingress and potential damage to brake components, these covers can reduce long-term maintenance costs.

FAQ
Q: What is the material of the rear brake pump boot cover?
A: Rear brake pump dust boots are usually made of materials with good heat, chemical, and weather resistance, such as rubber or silicone.
Q: Does the dust boot meet specific automotive manufacturing standards or certification requirements?
A: Yes, dust boots often need to meet specific automotive manufacturing standards and certification requirements, such as quality management system certifications such as ISO 9001 or IATF 16949.
Q: What is the size and applicable model range of the boot cover?
A: The size of the dust boot should match the size of the rear brake pump and be suitable for the specific model and vehicle braking system. Suppliers typically provide detailed information on dimensions and vehicle model ranges.
Q: Is the dust jacket heat and chemical-resistant?
A: Yes, the rear brake pump dust boot should be resistant to high temperatures and chemicals to ensure it can work effectively in the high-temperature and chemical environment of the braking system.
Q: Can samples be provided for quality and suitability testing?
A: Yes, some suppliers can provide samples for buyers to conduct quality and fit testing to ensure that the dust jacket can meet needs and expectations.
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