Air Spring Towing Ready Terbon Wholesale High 57WL57M for USA trucks

Specification sheet

Compatibility & fitment guide

How to identify the correct unit: locate the reference number stamped on your original component or in the vehicle parts catalogue, then cross-check it against the number below before ordering. Trim and market variants exist for many applications, so the short check is worth the minute before checkout.

How to identify & confirm fitment in 4 steps

1. Locate the OE / reference number on your old part or in the vehicle parts catalogue.
2. Match it to 57WL57M shown on this page.
3. Send your VIN and engine code plate so our team runs an exact-fit check.
4. Receive fitment confirmation before we dispatch your order.

Cross-reference coverage for w01-358-9663, air spring and air spring fitment is listed above; confirm your VIN before ordering.

Overview & context

The Air Spring is supplied under the Vidishi Auto brand as a compatible aftermarket replacement. It targets universal applications and is referenced by 57WL57M. Mercedes AIRMATIC is an adaptive air suspension introduced in 1999, using air springs at each corner fed by an electric compressor and controlled by a valve block and ride-height sensors. A primary air spring failure mode is loss of airtightness: rubber bellows (butyl rubber or neoprene) age and crack from UV, moisture, ozone and oil contamination, causing a corner to sag after parking overnight. Common symptoms include one corner sagging (especially overnight), frequent or loud compressor running, hissing air leaks, harsh or bouncy ride, uneven stance and an 'AIRMATIC Visit Workshop' warning.

Why this unit sells

Buyers searching mercedes airmatic air spring, air spring for mercedes w251 r-class and ride height calibration relearn look for the strengths listed here: direct fit, verified reference and wholesale packing.

Materials & construction

Built to the original equipment drawing, the Air Spring uses selected materials and follows the same inspection checkpoints as the reference sample. Tolerances that affect installation are held to the drawing rather than adjusted on the bench.

• Air Spring construction for daily and workshop use.
• Surface treated to resist corrosion in road and workshop conditions.
• Dimensional check against the reference sample before packing.

Material and build choices answer the most common air spring replacement and air spring guide questions from workshop buyers.

Applications & use cases

Suitable for the applications listed in the fitment block. The fitment block above lists the markets and model families this reference is stocked for, so buyers can match demand without re-checking every listing.

Engineering notes

• Diagnosis uses a manufacturer-grade scan tool to read fault codes and live ride-height sensor data, plus a soapy-water spray leak test on air lines and bellows; thermal imaging can reveal an overheating compressor.
• On electronically controlled air suspension, a ride-height calibration or relearn is required after any air spring replacement, or persistent fault codes and incorrect height result.
• A slow air spring leak overworks the compressor, risking overheating and burnout; detecting and replacing early avoids a cascade of compressor and valve-block failure.
• OEM Mercedes air springs are built by suppliers such as Continental and Arnott; premium aftermarket alternatives from Arnott and Bilstein are widely used in independent workshops.
• Air springs, also called airbags or bellows, are flexible rubber bags inflated with compressed air to support vehicle weight; they are diagnosed by visual inspection, soapy-water and pressure tests, and ECU fault codes.

Technical documentation for aftermarket air spring and compatible air spring is available on request.

Quality & testing

Inspection runs on an AQL sampling plan: incoming material, in-process checkpoints and a final release check are recorded on the batch sheet.

Warranty & support

12 Months limited warranty against manufacturing defects. Coverage applies to correctly installed units; keep the batch date code so any claim is processed against its inspection record.

Why buyers pick Vidishi Auto

Vidishi Auto supplies Air Spring with tiered wholesale pricing, private-label packaging on volume, and a replacement-parts program backed by batch traceability.

Packing & delivery

We ship worldwide to distributors and garages from China, Dongguan. Each Air Spring is packed in a single-unit export carton. Tracked air or sea freight is arranged per order volume.

Bulk quantities of air spring supplier and air spring bulk order ship in mixed containers from China, Dongguan.

Catalog & cross-reference

Catalog numbering for this Air Spring: the primary reference is 57WL57M. When a supplier catalog lists superseded or regional formats, match on the numeric core of the code rather than the prefix, then confirm the physical fit.

Catalog cross-references for air spring catalog resolve to 57WL57M.

Frequently asked questions

Further air suspension air spring questions are answered by the trade desk within one business day.

Compliance disclaimer

Vidishi Auto is an independent supplier. This is an aftermarket compatible replacement, not a genuine OEM part. Brand names are trademarks of their respective owners and are used only to identify fitment.

B2B support

Wholesale terms are quoted per market: volume breaks, mixed-SKU containers and private-label options are all handled by the trade desk.

Trade desk replies with quotation, MOQ and lead time in one business day.

Enquiries about wholesale air spring and air spring price receive quotations within one business day.

Service & checks

Pre-dispatch checks below are confirmed with every order for this application.

Installation and service notes for oem air spring, air spring air bags and air spring conversion kit are confirmed by our technical team before dispatch.

• Pre-dispatch checks: the OE / reference number is matched against your old part before packing.
• Aftermarket helper/air-spring kits such as Firestone Ride-Rite and Air Lift LoadLifter typically provide up to about 5,000 lb load capacity at 5 to 100 PSI for towing and hauling applications.

Workshop teams comparing air spring lift kits, air spring cross reference and what is a air spring receive the pre-dispatch checklist with the quotation.

• Replacement air springs can be cross-referenced to multiple OE part numbers and are engineered to meet or exceed OEM standards with cross-reference verification.

Installation and service notes for terbon wholesale, arnott air spring and air ride spring bag are confirmed by our technical team before dispatch.

• Air Spring is supplied under the TERBON brand as a compatible aftermarket replacement referenced by TERBON.

Workshop teams comparing air suspension compressor receive the pre-dispatch checklist with the quotation.

Sleeve & air fitting checks

Air springs are matched to the suspension program; the fitting scope below is confirmed before dispatch.

• Configuration checks: the supplied configuration is confirmed against your order before dispatch; application covers W01-358-9663,.

Configuration and service notes for air springs for trucks, air springs for f150 and air springs for cars are confirmed by our technical team before dispatch.

• Origin: Jiangsu, China; shipped from China, Dongguan in export cartons.
• Minimum order quantity: 50 pieces per order for distributors.

Workshop teams comparing best air spring for aftermarket, high quality and bilstein air spring receive the configuration checklist with the quotation.

Configuration and service notes for air spring aftermarket replacement and air suspension conversion kit are confirmed by our technical team before dispatch.