What are the opening hours?

Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

ATRO Parts

We build ATRO parts tough for the heavy-duty industry and back them with the best warranty. ATRO Parts. Performance that drives your success.

Choose ATRO for reliability and top performance in the shop and on the road. ATRO heavy-duty polyurethane truck parts are engineered to perform and built to last. Founded in 1987 and based in St. Clair, Missouri, we’re the industry leader focused on quality and committed to excellence. With precision manufacturing, world-class sales and customer service, and U.S. warehouses that stock parts closer

to customers—our team delivers on our mission to help distribution partners and end-users improve performance. ATRO parts are high-quality, easy to install, and backed by the industry’s best warranty. Customers looking to increase productivity count on ATRO parts to get the job done.

05/30/2026

It's race weekend at the inaugural NHRA Potomac Nationals at Maryland International Raceway in Mechanicsville, MD — the track's first-ever NHRA national event. Shawn Reed Racing is on the strip today for final qualifying before Sunday eliminations.
Whether it's on the strip or in the shop, the job's the same: Do it right. Make it last. Keep it running.

Let's go get it, SRR! 🏁🏁

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05/28/2026

ATRO University Course 101 is now available in three languages, ready to launch for your sales and service teams. This foundation course provides a working knowledge of ATRO Parts, how they perform, and how to sell and support them with confidence.

Course 101 is an easy-to-watch video format with short segments. It is self-paced, takes about 20 minutes, and provides a certificate upon completion. It is available through your enterprise LMS* or through the ATRO University learning system we host for you.

ATRO University is available to ATRO customers and channel partners.
Contact our customer service team to enroll:
Email: [email protected]
Phone: 800-325-6114.
Or, use our online form to request access: https://atrowebops.wufoo.com/forms/atro-university-a-request-access/

*If your LMS is set up with ATRO University, your team can start right away. If not, contact our team, and we will evaluate if we can integrate with your LMS.

ATRO Parts. Performance that drives your success.
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05/01/2026

Steer King premium no-ream king pin kits are built to improve quality, save time, and reduce cost. Each kit ships in our mechanic's box with a clean, organized parts tray, grease grooves on all king pins, bi-directional lip seals, and pre-greased bearings.* We also offer a full line of Steer King spare parts and the installation tools your shop needs to get the job done well.

Steer King kits are backed by the best warranty in the industry:
• Steel Spiral kits — U.S./Canada 4-Year; Export 1-Year
• Bronze kits — U.S./Canada 2-Year; Export 1-Year

Quickly find the kit you need with the ATRO website King Pin Cross Reference: https://lnkd.in/er3Qn5Rr

*Mack bearings are not pre-greased.

ATRO Parts. Performance that drives your success.
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04/24/2026

It’s race time at the NHRA Four-Wide Nationals at zMAX Dragway in Charlotte, NC. This weekend marks the 2026 season debut for Ida Zetterström—and her first time behind the wheel with Shawn Reed Racing!

We’re fired up to see Ida and the SRR team take their car into the Four-Wide and bring home a winner! Because we believe that whether it’s on the strip or in the shop, the job’s the same: Do it right. Make it last. Keep it running.

Let’s get in the fast lane and go for a win! 🏁

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04/10/2026

It’s race weekend and time for a win in Southern California! We’re back on the track with the SRR Team—at the NHRA Winternationals at In-N-Out Burger Pomona Dragstrip March 27–30.

And—we’re hosting customers trackside this weekend—our team is excited and proud to share this amazing, earth-shaking experience with them and the SRR crew. Because, whether it’s on the strip or in the shop, the job’s the same: Do it right. Make it last. Keep it running.

Let’s go get a win, y’all! 🏁

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03/22/2026

Fresh livery. New season. The SRR Top Fuel car is looking sharp in Phoenix with bold ATRO branding front and center and a new paint scheme for 2026.

Let’s make it a great Sunday at the NHRA Arizona Nationals at Firebird Motorsports Park—and bring home a win. 🏁

ATRO Parts. Performance that drives your success.
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03/20/2026

A year ago, ATRO Parts launched its sponsorship with the Shawn Reed Racing Team, and what a first season it turned out to be. From a mid-season crash to battling back and capturing an NHRA Top Fuel victory, to a gracious guest appearance in September at our St. Clair Facility Grand Opening—this team defines resilience, performance, and determination.

And here we are, full circle, kicking off 2026 at the NHRA Arizona Nationals at Firebird Motorsports Park with a stronger team, a fresh look, and more firepower with Ida Zetterström joining the lineup for select races.

We’re also expanding ATRO Racing this season, bringing select distribution partners and fleet customers closer to the action at NHRA events nationwide.

Because whether it’s on the strip or in the shop, the job’s the same:
Do it right. Make it last. Keep it running.

Let’s go racing! 🏁

ArizonaNationals

03/11/2026

The ATRO team is heading to TMC 2026 in Nashville! Visit us at Booth 320, and we'll talk shop and show you what's new at ATRO, including our 2026 release of two new product lines: ATRO Air Springs and Steer King Universal Tie Rods.

The ATA Technology & Maintenance Council Annual Meeting & Transportation Technology Exhibition is the trucking industry’s premier event focused on fleet maintenance, equipment, and technology. We'll see you in Music City!

ATRO Parts. Performance that drives your success.
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02/19/2026

If you service vocational Class 8 trucks with Hendrickson COMPOSILITE® EXS steerable lift axles, ATRO now gives you a more durable polyurethane solution with five Lift Axle Bushing Kits. Choose from the base kit, or complete kits that are configured for the job with hardware, fasteners, and wear pads.

• PB50-26193 – Base Bushing Kit
• PB50-26100 – Standard Truck (Fixed Alignment)
• PB50-26400 – Standard Truck (Adjustable 35”/35.5”)
• PB50-26500 – Roll-Off Truck (Fixed Alignment)
• PB50-26600 – Roll-Off Truck (Adjustable 35”/35.5”)

The bushings feature ATRO polyurethane technology that is chemical and weather resistant and delivers greater durability and longer service life than standard parts.

Get the Product Announcement here:https://atrobushing.com/documents/PA003-021026.pdf

View the product page here: https://atrobushing.com/product/PB50-26193

ATRO Parts. Performance that drives your success.
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02/04/2026

We're Hiring: Product Engineer!

ATRO is seeking an experienced Product Engineer to join our team in St. Clair, MO! This is an exciting opportunity for someone passionate about heavy-duty truck parts and product development.

What You'll Do:
- Lead new product development initiatives
- Provide technical support to customers and sales teams
- Create technical documentation and specifications
- Analyze market data and identify opportunities

What We Offer:
✓ Day Shift - No Weekends!
✓ Competitive Pay ($65K-$85K)
✓ Great Benefits
✓ Career Growth Opportunities
✓ Work with Industry-Leading Products

Make an impact in the heavy-duty trucking industry! Apply today at https://atrobushing.com/careers or email your resume to [email protected]

Address

1 ATRO Drive
Saint Clair, MO
63077

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm

Telephone

+18003256114

Website

https://www.atrobushing.com/

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