In stock
Only 1 left
Part Number | SKU
899373

Trailer Air Spring | W013589373

Special Price $84.00 Regular Price $9,999.00

Aftermarket trailerair spring compatible with OEM part W01-358-9373 and others. Engineered to meet OEM standards for performance and durability. Backed by a one-year warranty.

Trailer Air Spring | W013589373

The W013589373 trailer air spring, available from American Radiator, is a high-quality aftermarket replacement designed for heavy-duty trailers and truck suspensions. Built for demanding use, this air spring delivers reliable performance, enhanced ride comfort, and long-lasting durability.

Manufactured to meet or exceed OEM standards, it helps reduce vibration, improve trailer stability, and protect suspension components from wear. Ideal for long-haul, construction, and vocational applications, this air spring supports consistent performance under heavy loads and tough road conditions.

Precision engineered for a direct fit, the W013589373 is easy to install and built to handle the stress of daily operation. Its durable construction provides consistent air support to extend equipment life, improve load handling, and minimize downtime.

Available through American Radiator and backed by a one-year warranty, this trailer air spring offers the performance and dependability your fleet demands. Choose the W013589373 to restore proper suspension function and keep your equipment running at its best.

Air Bag Specs:

Packing: Sold Individually
Top Plate Diameter: 9"
Bottom Plate Diameter: 10"
Compressed Height: 7 3/5"
Air Spring Type: Sleeve
Top Mounting: Stud
Bottom Mounting: Stud

Please confirm your OEM or Aftermarket number matches before ordering.

1R12-403  
1R12403  
57122-2  
571222  
W01-358-9373  
W013589373

Shipping & Returns

Famous Same-Day Shipping: In-stock items typically ship the same day when ordered by 3 PM CST Monday through Friday
30-Day Return Policy: Eligible items can be returned within 30 days (some exclusions apply)

Why Buy From American Radiator?

Trust American Radiator, your reliable source for quality cooling solutions since 2001. With roots in the industry dating back to the 1970s, our team brings decades of experience delivering high-performance radiators, charge air coolers, and DPF systems at competitive prices.

We work directly with trusted domestic and international manufacturers that supply OEM-grade components, ensuring every product meets or exceeds original equipment standards. Whether you need a heavy-duty truck radiator or a replacement for your trailer air spring, we’re committed to providing durable, cost-effective solutions that perform.

Have questions? Contact our experienced inside sales team at 877-602-0810 for expert guidance and fast, friendly support.

More Information
Part Number | SKU 899373
OEM | Aftermarket Numbers 1R12-403 1R12403 57122-2 W01-358-9373 W013589373 571222

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