Hendrickson INTRAAX Air Spring Plastic Piston
Hendrickson INTRAAX Air Spring Plastic Piston
$220.00
Hendrickson INTRAAX air spring with plastic piston for matching trailer suspension setups, crossing to S-23611 style applications and Firestone W01-358-9646 references.
Part number SP559646-KP.
Description
Overview
Hendrickson INTRAAX air spring replaces worn suspension air bags on matching trailer air suspension setups. It suits heavy trailer suspension service where the air spring must match the Hendrickson reference, ride height and brake application before fitting.
Features
- Complete rolling-lobe air spring with plastic piston.
- Crosses to Hendrickson S-23611 and C-23611 air spring references.
- Matches Firestone W01-358-9646 and 1T15MBTW10 style applications.
- Suits selected INTRAAX AAL and AANL trailer suspension setups.
Specifications and Materials
This Hendrickson INTRAAX air spring uses a plastic piston, two top mounting positions and one lower mounting position. It has a listed compressed length of 7-5/16″ and extended length of 24-19/32″, so check the removed bag and trailer ride-height setup before ordering.
Part number: SP559646-KP.
Use the Hendrickson trailer common parts guide when checking air spring application and related hardware.
Compatibility and Fitment
Check the suspension model, brake type, ride height, top plate pattern, lower stud arrangement and air port before fitting. These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. W01-358-9646, W013589646, W01-455-9646, W014559646, S-23611, S23611, C-23611, C23611, 1T15MBTW10, 9 10BP-20 P 738, 910BP20P738, 910BP-20P738, 64694, SP0084GA, SP0084A
Related Parts
Check the related service parts below against the trailer setup before ordering.
| Use | Part number | Part type |
|---|---|---|
| Hardware to suit | S-22630 | Air spring hardware kit |
Compliance and Safety
Inspect the air spring, top plate, lower piston, mounting hardware, airline fitting and surrounding suspension parts before the trailer returns to service. If the old bag has rubbed, cracked, leaked or sat out of line, correct the cause before fitting the replacement.
Trailer Applications
Workshops fit this Hendrickson INTRAAX air spring during trailer suspension repairs on AAL and AANL applications that call for the S-23611 style air spring. For fleet work, confirm whether the trailer runs the 7 1/2″ disc brake application or 9″ drum brake ride-height setup before ordering stock.
Cross-reference and Suitability
This part cross-references to or suits the following equivalent part numbers and compatible alternatives:
| W01-358-9646 | W013589646 | W01-455-9646 |
| W014559646 | S-23611 | S23611 |
| C-23611 | C23611 | 1T15MBTW10 |
| 9 10BP-20 P 738 | 910BP20P738 | 910BP-20P738 |
| 64694 | SP0084GA | SP0084A |
Why Choose ICS Trailers
ICS Trailers supplies air springs and suspension parts for trailer workshops, fleets and operators matching parts to real suspension setups. View more Suspension from ICS Trailers
Online prices apply to website orders only. In-store pricing may differ.








