1100 255 021 WABCO (without gear), Twin Cylinder, Air Compressor

This twin cylinder air compressor is designed to provide consistent pneumatic pressure within heavy commercial vehicle air brake systems. Featuring a water-cooled design and high-strength components, it ensures stable operation under demanding thermal conditions. The unit is engineered with a cylinder bore of Ø85.00 and a stroke of 56 mm to maintain optimal swept volume for reliable air production.

912 510 105 0 SP1 is the OE equivalent of the WABCO Twin Cylinder, Air Compressor used in heavy commercial vehicle systems. This component is specifically designed to meet strict technical requirements for durability and efficiency. The integration of an ESS feature and a water-cooled valve plate provides an additional layer of protection against overheating during long-haul operations.

For workshop technicians, this part offers precise assembly with M26x1,5 inlet and outlet ports and an M12x1,5 unloader port. Regular maintenance should focus on the cooling system integrity and checking for any leaks in the water inlet and outlet ports (M16x1,5) to prevent system degradation. Ensuring the through-drive mechanism remains unobstructed is vital for long-term service life.

Technical precision is maintained through the use of heavy-duty grade materials that withstand the constant pressure cycles typical in heavy-duty truck and bus applications. This ensures the compressor maintains its performance profile without compromising the pneumatic integrity of the braking system.