Air shipping is not guaranteed due to flight delays, cancellations, aircraft maintenance issues, or weather-related delays. All orders will be shipped on the next business day. Ground shipping typically takes 5–7 business days for delivery. For discounted pricing, become an Axle Spindle Facility. Contact us for details.

GMC 2500 HD Duramax Spindle

This replacement spindle is built for GMC Sierra 2500 HD trucks equipped with the AAM 11.5″ full-floating rear axle. These rear-axle systems, standard since the launch of the Duramax diesel platform in 2001, are trusted for their strength, serviceability, and long-haul durability in high-mileage fleet and towing applications.

This GMC 2500 HD Duramax replacement spindle supports proper bearing alignment and smooth wheel-end operation under load, making it ideal for fleet rebuilds, hub replacements, or preventative maintenance. 

Sold as a spindle-only unit unless otherwise noted, it’s built to handle the same demanding workloads that GMC’s HD trucks are known for.

WATCH: Step-by-Step Pickup Truck Spindle Removal/Installation

$485
SKU: 13789 Categories: ,
Type:Pickup Truck
Recommended Fit For:Heavy-Duty Pickup
Weight:6 lbs
Warranty:1 year limited warranty
Compatible Parts:Inner Bearing: 387A / GM 15042155 / RW20-08 / NP910345, Outer Bearing: LM104949 / GM 15042154 / RW20-07 / NP145100, Seal: SL260002 / 710568 / 15823962
Dimensions:Inner Bearing: 57.15mm, Outer Bearing: 50.8mm, Seal: 72.31mm