Description

Overview

BPW Type 30 D30 air bag assembly restores air spring support on matching heavy trailer suspension setups. It suits BPW and ROR-Meritor applications where the removed air spring matches the Type 30 D30 format, steel piston construction, height and outside diameter.

Features

• Complete air spring assembly with steel piston construction.
• Suits BPW and ROR-Meritor trailer air suspension setups.
• 390mm height and 292mm maximum outside diameter.
• Supplied as one assembly per order.

Specifications and Materials

This BPW Type 30 D30 air bag assembly suits replacement work where the original air spring matches the same complete Type 30 D30 layout.

It measures 390mm high with a 292mm maximum outside diameter, so compare both dimensions before ordering.

Part number: SP0020ASPM.

BPW air suspension catalogue covers BPW airbag and airbag parts for the matching suspension family.

Compatibility and Fitment

Match the existing bag type, suspension family, piston style, height and outside diameter before fitting. If the trailer has been repaired or converted before, also compare the number on the removed air spring.

These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. 1R11-701, 1R11701, W01-M58-8619, W01M588619, 941 MB, 941MB, 05.429.40.10, 054294010, 05.429.40.28, 054294028, 05.429.40.36, 054294036, SP 55941-K, SP55941K, 5941A, MLF7046.

Related Parts

Check the related service parts below against the trailer setup before ordering.

Compliance and Safety

Inspect the mounting faces, fasteners and air connection before installation. Then inflate the suspension and check for leaks, uneven bag shape, rubbing, loose hardware or incorrect ride height before the trailer returns to service.

Trailer Applications

Workshops fit this BPW Type 30 D30 air bag assembly on heavy trailer air suspension where the removed bag matches the Type 30 D30 layout. Fleets should keep the matching seal and thrust ring details with the job card, because those small parts can hold up a bag change.

Cross-reference and Suitability

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

Why Choose ICS Trailers

ICS Trailers supports suspension repairs with practical parts matching across airbags, mounting hardware and service components. For air spring jobs, the key details are the bag type, piston style, height, outside diameter and matching hardware.

See more trailer suspension parts in the ICS Trailers Suspension category