Air Spring Hendrickson HAS Plastic Piston
Air Spring Hendrickson HAS Plastic Piston
$195.00
Air spring for Hendrickson HAS suspension, with composite type plastic piston design and one in-box piece for a single suspension position. Match against the original bag, mounting pattern and listed cross-references before ordering.
Part number SP559373-KP01.
Description
Overview
Hendrickson HAS air spring restores ride height support and load control in compatible Hendrickson HAS suspension applications. This complete air spring assembly uses a composite type with a plastic piston, so it suits replacement work where the removed bag matches the listed cross-reference family.
Features
- Complete air spring assembly with plastic piston.
- Suits Hendrickson HAS suspension applications.
- Supplied as one in-box piece for one suspension position.
- Matches common Firestone, Goodyear, ContiTech and Hendrickson reference numbers.
Specifications and Materials
Part number: SP559373-KP01.
This Hendrickson HAS air spring suits suspension service where the existing air bag, piston style and mounting arrangement match the 9373 cross-reference family.
The matched assembly runs at max. 7 Bar / 100psi, with an operating temperature range from -40°C to +70°C.
The Firestone Airide cross-reference tool helps compare heavy-duty air spring part numbers
Compatibility and Fitment
Check the removed air spring against the suspension model, piston type, air port position and mounting pattern before ordering. Also compare the part number stamped on the old bag, because similar air springs can share close body shapes but use different fitment details.
These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. 9 10-18.5 P 519, 910185P519, 1T15MT-8, 1T15MT8, 1T15M8, W01 358 9373, W013589373, W01-358-9373, 1R12-403, 1R12403, 57122-1, 571221, 57122-2, 571222, 571221S1, 571222S1, 51722001, 51722002, 571220001, 571220002, P10.9373.CP, P109373CP, W014559373, W01-455-9373, SP0024M, SP0024A, SP0024FA, SP0024GA, EAS9373, FS9373, AB1DK23P-9373, AB1DK23P9373, 566.ER9373, 566ER9373, 452-9373, 4529373, 8519, AS0141, 4C4O5580CA, 4C4Z5580CA, 1R121056, 2036090C1
Compliance and Safety
Replace leaking, cracked or distorted air springs before the suspension runs out of normal ride height range. After fitting, inflate the suspension and check for air leaks, correct clearance, even seating and contact with nearby brackets or chassis parts.
Trailer Applications
Workshops fit this Hendrickson HAS air spring during air suspension repair, fleet maintenance and failed air bag replacement. It suits heavy vehicle and trailer work where Hendrickson HAS compatibility and the listed 9373 cross-reference family match the original component.
Cross-reference and Suitability
This part cross-references to or suits the following equivalent part numbers and compatible alternatives:
| 9 10-18.5 P 519 | 910185P519 | 1T15MT-8 |
| 1T15MT8 | 1T15M8 | W01 358 9373 |
| W013589373 | W01-358-9373 | 1R12-403 |
| 1R12403 | 57122-1 | 571221 |
| 57122-2 | 571222 | 571221S1 |
| 571222S1 | 51722001 | 51722002 |
| 571220001 | 571220002 | P10.9373.CP |
| P109373CP | W014559373 | W01-455-9373 |
| SP0024M | SP0024A | SP0024FA |
| SP0024GA | EAS9373 | FS9373 |
| AB1DK23P-9373 | AB1DK23P9373 | 566.ER9373 |
| 566ER9373 | 452-9373 | 4529373 |
| 8519 | AS0141 | 4C4O5580CA |
| 4C4Z5580CA | 1R121056 | 2036090C1 |
Why Choose ICS Trailers
ICS Trailers helps match air springs by suspension family, piston type and cross-reference number before the vehicle returns to service. Browse more suspension air bags in our Air Springs
Online prices apply to website orders only. In-store pricing may differ.






