Hannay Part Air Caliper Brake U Cup Seal #4000-1209 | Replacement Seal | Durable U Cup Design, High-Performance Air Caliper Brake Seal – Reliable Oem Quality 1/2" Heavy-duty construction for long life

Heavy-duty construction for long life on challenging jobs

13:1 ratio for precise material mixing

Do not use backup rings on new style poppets as per manufacturer instructions

Torque nuts and bolts to specified values (e

Hannay Part Air Caliper Brake U Cup Seal #4000-1209 | Replacement Seal | Durable U Cup Design, High-Performance Air Caliper Brake Seal – Reliable Oem Quality 1/2" Heavy-duty construction for long lifeThe HANNAY Part air caliper brake U cup seal (#4000 1209) is a precision engineered replacement seal designed for air caliper brake systems. Constructed with durable elastomeric materials, this U cup seal ensures optimal sealing performance under high pressure pneumatic conditions, enhancing brake reliability and longevity. It is engineered to resist wear, maintain flexibility, and provide excellent resistance to air leakage, making it ideal for