3987602 SP1 Compatible Twin Cylinder Air Compressor for Volvo

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component in the air brake system of heavy commercial vehicles, generating the necessary compressed air through two piston-cylinder assemblies to ensure rapid reservoir filling. Built with high-strength components, this water-cooled unit is designed to withstand the rigorous thermal and mechanical stresses found in heavy-duty engine environments.

Vehicle and engine compatibility

This specific model is compatible with Volvo NH12 vehicles equipped with D12A engines. It features a through-drive configuration and includes an ESS feature for optimized system performance. The unit is designed to meet the exact requirements of the vehicle's pneumatic architecture.

Installation and maintenance guidance

When performing installation or maintenance, technicians should verify the water inlet and outlet port connections (M16x1,5) and the air outlet port (M26x1,5). Ensuring correct torque on all mounting points and checking the integrity of the water cooling lines is essential for preventing overheating and maintaining stable air pressure.

Selection and fitment advice

To ensure correct fitment, always compare the mounting flange, gear drive, and port locations of the replacement unit against the existing component on the engine.

OE cross-reference

1300 050 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 3987602SP1.