20451727 Compatible Volvo FH12 D12D Compressor

What does a single cylinder compressor do?

This single cylinder compressor serves as a critical component within the pneumatic braking system, providing the necessary compressed air for vehicle operation. Built with high-strength components, it ensures reliable pressure delivery even under heavy-duty service conditions. The unit features a through-drive design and is optimized for efficient air management.

Vehicle and engine compatibility

This specific compressor is designed for Volvo FH series trucks, including models 400, 420, 440, 460, 480, 500, 520, and 540. It is also specifically compatible with Volvo FH12 units equipped with D12D engines. This component ensures consistent pneumatic performance across these heavy commercial vehicle applications.

Technical specifications and installation

Technical specifications include a Ø85.00 mm cylinder bore and a 56 mm stroke, resulting in a swept volume of 318cm³. For proper installation, ensure the M16x1.5 water inlet and outlet ports are correctly connected to the cooling circuit, as this is a water-cooled unit designed to maintain optimal operating temperatures.

Maintenance and troubleshooting

Maintenance of the air unloader port (M12x1.5) and the air outlet (M26x1.5) is essential for preventing system leaks. Regular checks of the water-cooled valve plate help ensure long-term reliability in the brake system. Consult your authorized distributor for fitment verification.

OE cross-reference

1300 025 002 (Single Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20451727.