3509004 Housing, Brake Caliper Shaft — KNORR-BREMSE

The 3509004 housing serves a critical role in the air disc brake system by providing a stable and durable housing for the brake caliper shaft. This component is engineered to withstand high mechanical loads, ensuring that the caliper maintains its precise alignment during braking-related movements. Its high-strength construction ensures long-term reliability within the braking assembly.

3509004 is the OE-equivalent part used in the KNORR-BREMSE SN6, SN7, SM7, SL7, SK7, and ST7 systems. This specialized housing is manufactured to meet strict technical standards for compatibility with these specific KNORR-BREMSE hardware series. Maintaining the correct housing is essential for the structural stability of the entire braking unit.

For workshop technicians and fleet managers, this part offers a precise fit for professional assembly and maintenance. When performing brake system overhauls or repairs, ensuring the use of high-strength components like this housing prevents misalignment issues. Regular inspection of the caliper shaft housing is recommended during standard heavy commercial vehicle service intervals to ensure optimal braking performance and safety.