20478166 SP1 VOLVO Single Cylinder Air Compressor

The single cylinder air compressor is a critical component designed to provide consistent pneumatic pressure within the vehicle's braking and suspension systems. Engineered with a Ø85.00 cylinder bore and a 62 mm stroke, this part ensures reliable air production even under demanding heavy commercial vehicle operating conditions. The water-cooled design and high-strength components are optimized for durability and long-term service reliability.

20478166 SP1 is the OE-equivalent of the VOLVO 20478166 SP1 single cylinder air compressor used in VOLVO heavy commercial vehicles. This unit is fully compatible with OEM references including 7600 850 008, 3161258, and 7403161258 (with gear). It is specifically designed to meet the rigorous technical standards required for precision pneumatic system operation.

For workshop technicians, this air compressor offers a seamless installation process thanks to its standardized port dimensions, including an M26x1,5 air outlet and M16x1,5 water ports. The integrated ESS feature and water-cooled valve plate ensure efficient thermal management during operation. Regular maintenance of the water inlet and outlet connections is recommended to ensure optimal system pressure and longevity within the braking circuit.