Product description
brake shoe return spring
A brake shoe spring is a key small component in a vehicle's drum brake system. Its main functions are: After braking, it pulls the pressed and expanded brake shoes back to their original position, separating them from the brake drum to avoid continuous friction that could cause excessive wear or brake drag. It ensures the stable position of the brake shoes in the non-working state, guaranteeing the normal reset of the brake system and maintaining braking efficiency and driving safety. It is usually made of high-strength spring steel, requiring good elasticity and durability to withstand repeated braking actions and vibrations during vehicle operation. Here is the specific data information of this spring produced by our factory:
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OEM No. |
6179931110,6179930610,3469930210,3469930219 |
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Name |
Return spring |
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Weight(kg) |
0.17 |
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Material |
72B/65Mn |
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Surface treatment |
Powder coating, zinc coating, electrophoresis |
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Application |
MERCEDES-BENZ | MAN |
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| Replaces | 81976100208,81976100118 SAMPA 100.089, ADR 44532460, FEBI BILSTEIN 05307 |
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advantages of products & company
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Good resilience
Quickly recovers shape after deformation, efficiently absorbing/releasing energy.
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Extra-long service life
Withstands long-term high-frequency cycles, stable in harsh conditions.
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Reliable structural stability
Optimized materials (e.g., 72B steel) and processes resist deformation/fatigue.
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Multi-scenario flexibility
Customizable specs/materials for varied loads and complex environments.
The company founded in 2010 and has more than 100 employees with production capacity of 100 million. Bainuo puts high value on independent development and research to meet customer's demand and super product quality. Every year Bainuo invests about 3% of last year's profit to develop the new projects.
Spanning over 10000 square meters, it is equipped with state-of-the-art production lines and advanced machinery, ensuring high - efficiency and precision in every production process.
We have a team of highly skilled technicians and experienced workers.
Strictly selects top-grade materials.
Customized Services.

01
High Quality
Strict full-process control, adherence to international standards, and high-quality products.
02
Advanced Equipment
The factory enables efficient intelligent manufacturing and ensures product precision and capacity.
03
Professional Team
Our professional technical team with years of industry experience empowers product quality and innovation through exquisite skills.
04
Custom Service
Customized on demand, flexibly adapting to diverse needs with one-stop exclusive solutions.
FAQ
do you have any question?

Can the products be manufactured by customer's requirement?
Yes, the specifications stated above are the standard ones, we can design and manufacture as requirement.
Visting factory is allowed or not?
Yes, we welcome customers visiting our factory. Our factory is located Hangzhou, Zhejiang, China mainland.
Can you provide drawings and technical data?
Yes, our professional technical department will design and provide drawings and techical data.
Can I request to change the form of packaging and transportation?
Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.








