Meritor Highway Spindle
The Highway Meritor Spindle is built for heavy-duty, high-torque commercial trucks with Meritor Axles, delivering high-performance durability for highway applications. Designed to meet OEM specifications, this spindle ensures seamless installation and long-lasting reliability.
With precise alignment and exceptional load-bearing capacity, this spindle minimizes wear and tear on suspension and drivetrain components, maintaining smooth operation even under high-stress conditions. Ideal for long-haul trucking and fleet maintenance, the Highway Meritor Spindle provides a dependable solution.
In stock
Type: | Heavy‐duty, high‐torque, Class 8 trucks |
Recommended Fit For: | Meritor Axles |
Heat Treatment: | Yes |
Weight: | |
Warranty: | 1 year limited warranty |
Compatible Parts: | Bearing Set 401 (572/580), Bearing Set 403(594A - 592 A) Torque Lock nut 449-4973 , National seal 370003A |

In stock
Description
Built from heat-treated, high-strength steel, the Highway Meritor Spindle delivers exceptional axle performance and reliable weight distribution to ensure stability and control at high speeds.
Its precision-machined bearing surface provides seamless compatibility with wheel hubs and suspension components, smooth rotation and reduced vibration. Designed for superior load distribution, this spindle helps minimize maintenance downtime, making it an ideal choice for freight transport and highway fleets.
Is this the right spindle for the job?

Truck Compatibility – Parts List
Here is a list of parts compatible with this spindle:
- Bearing Set 401 (572/580)
- Bearing Set 403(594A – 592 A)
- Torque Lock nut 449-4973
- National seal 370003A
If you’re still in doubt, contact us and we’ll help you find the right product.
Meritor Highway Spindle – Frequently Asked Questions
What is the expected lifespan of your Highway Meritor Spindle?
With proper maintenance, the Highway Meritor Spindle is built to last hundreds of thousands of miles, depending on road conditions and load weight. Regular preventative maintenance inspections and timely lubrication can further extend its lifespan and ensure optimal performance.
What is the installation process for a Highway Meritor Spindle?
Installing a Highway Meritor Spindle requires specialized tools and mechanical expertise to achieve a precise fit and proper alignment. We offer a product training program where you will learn our complete spindle replacement process. Visit https://axlespindle.com/resources/training/ or contact us at +1 716-336-4734 to learn more about our training program.
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