Description

Overview

Trailer air spring assembly supports Hendrickson trailer suspension systems where a complete replacement unit is required. It helps restore stable ride support when an air spring is leaking, damaged, or no longer holds pressure. As a result, trailers can maintain better load compliance over uneven roads.

Features

This trailer air spring assembly is supplied as a complete assembly to simplify replacement and reduce downtime. It suits heavy trailer suspension environments where consistent air support matters.

• Complete assembly format for straightforward replacement
• Steel piston design as specified for this unit
• Rated operating pressure up to 7 bar (100psi)
• Specified operating temperature range from -40°C to +70°C

Specifications and Materials

Part number: SP0019M.
This unit is listed as a complete type air spring assembly with a steel piston. It is specified for a maximum operating pressure of 7 bar (100psi) and an operating temperature range of -40°C to +70°C.
Read the Hendrickson trailer ride solutions overview for general technical context

Compatibility and Fitment

This trailer air spring assembly is specified as suitable for Hendrickson applications, so it suits common trailer air suspension setups that use a comparable complete air spring unit.
This cross-reference listing means this part is a suitable replacement for the part numbers and applications shown. Some changes in installation may be required. C-21208, C21208, P10.9579, 1t15vp4, YV71CL, P10-9579, P109579, W01-358-9270, W013589270, 1R13-119, 1R13119, S-20010, S20010, HT230T, S-21208, S21208

Compliance and Safety

Depressurise the air system before removal and support the suspension safely before working underneath the trailer. Inspect air lines, mounting faces, and fasteners for wear or damage, then perform a leak check after installation. Finally, verify the suspension returns to normal operating behaviour.

Trailer Applications

This trailer air spring assembly suits trailer suspensions where the existing unit shows cracking, air loss, or uneven ride behaviour. It can also help when a suspension corner sits low or the air spring cannot maintain pressure under load. This makes it a practical replacement choice during suspension servicing.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Meanwhile, confirm the existing air spring style and mounting arrangement before ordering to avoid mismatched fitment.

Why Choose ICS Trailers

ICS Trailers supplies heavy trailer suspension parts selected for real workshop use, with clear descriptions that help you order with confidence.
Browse Suspension parts at ICS Trailers