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World American

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Chicago, IL
World American

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Heavy Duty class 6, 7 & 8 truck parts. Wholesale only.

10/28/2026

What exactly does a transmission case do?

More than just hold everything together.

The main transmission case is the structural housing that surrounds and supports the internal transmission components—gears, shafts, bearings, and other critical hardware. It also provides the machined mounting points that keep those components aligned and operating where they’re supposed to.

On heavy-duty 18-speed applications such as the 18918 and 20918 families, the case is literally the foundation the transmission is built around. Eaton documentation for these applications also shows that certain versions incorporate forced-lubrication components between the clutch housing and main case, making correct case and housing compatibility especially important.

If a case becomes cracked, damaged, or distorted, it’s not just cosmetic—it can mean the transmission needs to be re-cased or rebuilt around a replacement housing.

Big part. Bigger job. Critical role.

World American®
Replacement Main Transmission Case
18918 / 209 Applications

Where Quality Meets Value.

10/21/2026

A brake chamber is easy to overlook—right up until it becomes the reason the truck isn’t moving.
Brake-system issues continue to be one of the leading reasons commercial vehicles are placed out of service during roadside inspections. That makes dependable brake-system maintenance more than a shop issue. It’s an uptime issue.

World American offers replacement spring brake chambers for heavy-duty applications, including 30/30 configurations.

Because when the truck has to stop, this has to work.

World American®
Where Quality Meets Value.

10/14/2026

When visibility drops, good lighting matters.

World American replacement headlights help keep the road ahead clear and your truck ready for the miles ahead.

See more. React sooner. Keep moving.

10/06/2026

Downtime costs more than parts.

Get it fixed. Get it back on the road. Get back to work. 🔧🚛

World American® replacement parts cover the systems heavy-duty trucks depend on every day.

Where Quality Meets Value.

09/11/2026

🚛 **When every mile matters, maintenance can’t wait.**

The Class 8 market is strengthening, but fleets are still staying disciplined—prioritizing **replacement, uptime, and operating cost control** over unnecessary expansion. That makes dependable maintenance components more important than ever.

Keep the air system ready for the road with the **World American WA109994 Air Dryer Cartridge**.

🔧 **WA109994 | AD-IS/AD-SP Standard**
• Standard desiccant
• Maximum operating pressure: 203 PSI
• M39-1.5-6H RH thread
• O-ring included
• Replaces OE #109994
• 1 Year / 100,000 Mile Warranty

With extensive interchange coverage across many familiar heavy-duty aftermarket and OE references, **WA109994** gives parts professionals another World American option when the application calls for an AD-IS/AD-SP standard air dryer cartridge.

**Protect the air system. Support uptime. Keep trucks earning.**

Ask your World American parts professional about **WA109994**.

09/01/2026

KEEP YOUR TRUCK WORKING. NOT SITTING IN THE SHOP. 50 GALLON HYDRAULIC TANK KIT
DIAMOND-PLATED ALUMINUM

✔ 50-gallon capacity
✔ Aluminum construction
✔ Diamond-plated finish
✔ 1-1/4" NPT bottom drain port
✔ 2.25" filler neck inside diameter
✔ 2 breather holes
✔ 34" × 13" × 26" tank size
✔ Replaces OE A4000
✔ 1 Year / 100,000 Mile Warranty

BUILT FOR REPLACEMENT.
BUILT TO KEEP YOU MOVING.

Today’s fleets are under pressure to control repair costs while getting more productive life from their equipment. The WAA4000DP gives parts professionals and fleet operators a practical replacement option when it’s time to get the hydraulic system back in service.

WORLD AMERICAN®
Heavy-Duty Parts. Built for the Road Ahead.

08/25/2026

World American Dump & Gear Pumps

Need dependable replacement options for dump truck hydraulic systems? World American has new 1" 15-spline gear pumps and dump pumps designed for heavy-duty applications.

Our featured gear pumps offer 49 GPM at 1,800 RPM, with versions available in left- and right-hand rotation.

This dump pumps is bi-rotational, and handles pressures up to 3,000 PSI, speeds up to 3,000 RPM, and feature dual side/rear porting with a high-flow body design.

Built to keep trucks working and help parts professionals find the right replacement solution.

📞 Customer Service Order Desk: 844-446-7388

08/20/2026

🚛 WHEN THE LOAD IS HEAVY, YOUR HYDRAULICS BETTER BE READY. 💪

Meet the World American Dump Pump, built for the demanding work that keeps dump trucks moving and earning.

🔥 Up to 3,000 PSI
⚙️ Up to 3,000 RPM
🔄 Bi-rotational
🔧 Dual side & rear porting
💨 Hi-flow body design for increased flow and performance

World American WAL51B Series dump pumps are designed as replacements for Commercial® P50/P51 and Permco® 5100 Series pumps, and as direct replacements for Muncie® ML Series pumps.

Because when it’s time to RAISE THE BED AND GET THE JOB DONE, you need parts made for heavy-duty work.

🌎 WORLD AMERICAN: HEAVY DUTY PARTS. READY TO WORK.

👇 Tag someone who runs a dump truck every day.

07/29/2026

Downtime doesn't make you money. Reliable equipment does.

When your dump truck is on the job, every lift matters. A dependable hydraulic pump helps you stay productive instead of sitting on the sidelines waiting for repairs.

The World American Direct Mount Left-Hand Dump Pump is built for hardworking trucks that need dependable hydraulic performance day after day.

Why operators choose it:
✔️ Direct-mount design for straightforward installation
✔️ Heavy-duty construction built for demanding jobs
✔️ Consistent hydraulic performance you can rely on

07/22/2026

A worn or failing brake chamber can lead to costly downtime and safety concerns. That's why fleets and owner-operators trust World American for dependable replacement parts.

The T30/30 LS Sealed Brake Chamber is built for the demands of the road with:

✔️ Sealed construction for added protection
✔️ Reliable, consistent braking performance
✔️ Heavy-duty quality at a competitive value

When it's time to replace brake components, choose parts that help keep your trucks moving, and your drivers safe.

Address

Chicago, IL

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+17732473400

Website

http://www.worldamerican.com/

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