| Outer diameter () | 30 |
| Length (mm) | 229 |
| Weight (kg) | 0.22 |
| Outer diameter (mm) | 30 |
Expresslevering
| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
| Manufacturer | Productnumber |
| MERCEDES-BENZ | 3469930810 |
| MERCEDES-BENZ | A3469930810 |
| MAN | 81976100210 |
| Usage numbers |
| AUG53909 |
| 53909 |
| 4051334531582 |
| 4250177221227 |
| 4250177276272 |
| NRF 53909 |
The Spring, brake shoes (53909) provides the essential components for correct drum brake shoe installation and reliable operation. Replacing worn hardware restores stable and safe braking. Use Porza’s smart search to find the correct kit.
A brake shoe spring is a tension component used in drum and parking brake systems to hold the brake shoes in the correct position and return them to their resting state after braking. It ensures that the shoes retract evenly from the drum, preventing drag, reducing wear, and maintaining consistent braking performance.
Key specifications include spring type (return spring or hold-down spring), length, wire diameter, tension force, and material quality. Brake shoe springs are typically made from high-grade spring steel with protective coatings to resist corrosion. They must maintain elasticity under repeated load cycles and withstand high operating temperatures, often ranging from 150–300°C.
Replacement is recommended when the spring is stretched, weakened, corroded, or damaged. Faulty springs can lead to brake drag, uneven wear, noise, or reduced braking efficiency. It is common practice to replace springs when installing new brake shoes to ensure proper system function.
Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the spring matches your specific brake shoe and drum configuration, reducing the risk of incorrect fitment.
Porza provides high-quality brake components with fast delivery across Europe. Customers can order online or choose in-store pickup in the Netherlands, Germany, or Belgium. This ensures quick and flexible access to essential parts for both professional workshops and individual users.
If you select the fit guarantee, Porza verifies compatibility before shipment. If the product does not fit or meet expectations, it can be returned according to the return policy. This ensures a secure and hassle-free purchasing experience.