303.13.0001 Compatible Trailer Height Adjustment Valve

What does a height adjustment valve do?

This height adjustment valve plays a critical role in maintaining the correct ride height within the pneumatic suspension system. By regulating air pressure based on load changes, it ensures the stability and safety of the vehicle's chassis and axle alignment during operation.

Vehicle and engine compatibility

This component is specifically designed for compatibility with Ford Trucks models such as Cargo 1824, 1830, 2524, 2530, 3230, and 3530 with Ecotorq 7.3 engines. It is also widely fitted to Volvo series including F7, F10, F12, FL10, FL12, N10, N12, NL10, NL12, B10B, B10M, and B12. Additionally, it is compatible with WABCO systems.

Installation and technical specifications

For proper installation, technicians should verify the port sizes: Port 1 is M16x1,5 while Ports 23/24 and 21/22 are M12x1,5. Ensuring clean connections and checking the linkage arm movement during assembly is essential to prevent uneven suspension leveling.

Maintenance guidance

Regular inspection of the valve's pneumatic ports and external housing can help prevent air leaks and ensure consistent performance across different load capacities.

OE cross-reference

303.13.0001 (Trailer Height Adjustment Valve) is the equivalent of the DAF, Ford Trucks, Kässbohrer, Krone, Liebherr, Lohr, MAN, Mercedes-Benz, Nissan Ud Truck, Nooteboom, Otokar, Renault Trucks, Scania, Steyr, Van Hool, Volvo and WABCO OE numbers. This part directly replaces DAF OE numbers 042089956, 1291360, 500002862. It also replaces Ford Trucks OE number 4C465A687AA, Kässbohrer OE number 21151103110, Krone OE number 9450471, Liebherr OE number 502918101, Lohr OE numbers A05030208, A05030209, MAN OE numbers 81436196004, 81436196006, 85500014362, Mercedes-Benz OE numbers 0003275725, 0003290425, 0003290725, 0003290825, Nissan Ud Truck OE number 522509X500, Nooteboom OE numbers 309104, 567810, Otokar OE number F001882, Renault Trucks OE numbers 5000791019, 5001871034, Scania OE number 2089910, Steyr OE numbers 99100360046, 99100362124, Van Hool OE number 637213060, Volvo OE number 6773736 and WABCO OE number 4630320200.