GMC 2500/3500/Express Spindle
Our GMC 2500/3500/Express drive spindles are designed to handle heavy loads with confidence across GM’s heavy-duty pickups as well as the Chevrolet Express and GMC Savana vans. Built to last, these spindles match OEM specifications and provide a long-term solution for worn or damaged components. Properly functioning spindles help reduce wear on bearings and hubs, helping prevent costly repairs.
Made from high-strength 1040 steel, our GMC 2500/3500/Express Spindle is engineered to surpass the original in durability, making it ideal for heavy-duty commercial applications, fleet trucks, and daily hauls. With a precision-machined bearing surface, it fits seamlessly with OEM bearings and hubs. Before purchasing this spindle, please verify the product dimensions provided below.
Product Dimensions: Inner Bearing ID: 57.15mm, Outer Bearing ID: 50.8mm, Wheel Seal ID: 72.20mm, Lock Nut: 50.8mm
WATCH: Step-by-Step Pickup Truck Spindle Removal/Installation
| Type: | 2500 series, 3500 Series, Heavy-Duty Truck & Cargo Van |
| Recommended Fit For: | American Axle Manufacturing (AAM) 12" rear axles or 10.5” rear axle |
| Heat Treatment: | Yes |
| Weight: | 10 lbs |
| Warranty: | 1 year limited warranty |
| Compatible Parts: | Inner Bearing: TIMKEN 387AS / GM 0943-6881 / 15042155 GM / NP 706218, Outer Bearing: ILJIN LM104949 / GM 0942-8908 / 15042154 GM / NP 145100 , Wheel Seal: TIMKEN SEAL SL260002 / NATIONAL 710568 / TIMKEN KELPRO 98645 / SKF 28426 / 15823962 GM, Locknut: GM 341509 / NISSAN 432620B000 / FORD 8C3Z-1A124-A / FORD F3XY425A / 5086760AA CHRYSLER / DORMAN 615-132 |
| Dimensions: | Inner Bearing ID: 57.15mm, Outer Bearing ID: 50.8mm, Wheel Seal ID: 72.20mm, Lock Nut: 50.8mm |
Description
Owners of GMC 2500/3500 pickups or Express/Savana vans who notice uneven tire wear, vibration under load, or excessive hub play can benefit from a straightforward spindle replacement to restore safe and reliable operation.
Spindles are central to wheel and drivetrain support. They hold the wheel hubs, bearings, and drivetrain assemblies while helping maintain proper weight distribution and stable wheel operation. Replacing a worn spindle at the first signs of trouble helps protect bearings, hubs, and drivetrain components.
Keep your GMC 2500 and 3500 pickup, Chevrolet Express, or GMC Savana in dependable service with our heavy-duty, direct-fit spindles.
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Pickup Truck Spindle Installation – Full Demonstration
Is this the right spindle for the job?

Truck Compatibility – Parts List
Here is a list of parts compatible with the GMC 2500/3500/Express spindles:
- Inner Bearing: TIMKEN 387AS, GM 0943-6881, 15042155 GM, NP 706218
- Outer Bearing: ILJIN LM104949, 15042154 GM, NP 145100, GM 0942-8908
- Wheel Seal: TIMKEN SEAL SL260002, NATIONAL 710568, TIMKEN KELPRO 98645, SKF 28426, 15823962 GM
- Locknut: GM 341509, NISSAN 432620B000, FORD 8C3Z-1A124-A, FORD F3XY425A, 5086760AA CHRYSLER
If you’re still in doubt, contact us and we’ll help you find the right product.
GMC 2500/3500/Express Spindle – Frequently Asked Questions
How do I check if this spindle fits my vehicle?
To ensure compatibility, verify that your vehicle meets the following criteria:
- Axle Type: Must have a GM Full Float Rear Axle with a 12-inch overall dimension and a 10.5-inch rear axle.
- Bearing Set: Inner Bearing: KOYO HC387AS D-X, GM 0943-6881, TIMKEN 387AS and Outer Bearing: ILJIN LM104949, M03140955, GM 0942-8908
Do you provide installation instructions with the spindle?
Yes, detailed installation instructions are included with the spindle. If you need further assistance during installation, please contact our customer service team.





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