4002021 Plug, Brake Caliper Shaft

The 4002021 Plug, Brake Caliper Shaft serves a critical function within the air disc brake caliper assembly. As a vital component of the braking mechanism, it ensures the stability and proper positioning of the shaft under heavy-duty braking conditions. This part is manufactured using high-strength components to maintain structural integrity during intense mechanical cycles.

4002021 is the OE-equivalent plug used in MERCEDES BENZ and WABCO 1300 V-G / 1000 V-G braking systems. This part is specifically engineered to meet the rigorous demands of heavy commercial vehicle braking architectures, ensuring seamless integration with existing WABCO hardware. It provides a precise fit for maintaining optimal pneumatic braking performance.

For workshop technicians and fleet managers, this component offers a reliable solution for maintaining brake caliper shaft stability. Regular inspection of the caliper shaft area and ensuring the plug is correctly seated is essential for preventing mechanical play or air leakage in the braking system. Proper installation ensures the long-term durability of the air disc brake assembly.