Axiom Supply Wheel Hub Dust Cap — GM 8-Lug Truck (Silverado/Sierra HD) SKU: AXGMCP10

Overview

This is a reusable, black powder coated wheel hub dust cap from Axiom Supply, engineered specifically for GM 8-lug front ends — the Silverado/Sierra HD family. It's designed to solve a common frustration with factory dust caps, which frequently deform, seize, or get destroyed on removal during a wheel bearing service.

Before ordering: This cap is sold individually — use 1 per side. It's built for GM 8-lug front ends specifically; confirm your truck uses an 8-lug wheel pattern (typically the HD-designated models) before ordering. Confirm your exact make, model, and year against the Verified Fitment table.

Required separately: This is a dust cap only. The wheel bearing itself, and any other hardware needed for a complete bearing service, are not included.

Verified Fitment

Component Specifications

What Is and Is NOT Included

Included:

• (1) Single Axiom black powder coated dust cap, part number AXGMCP10

Not included:

• Additional dust caps (use 1 per side — order 2 for a standard front axle service unless your application differs)
• Wheel bearing itself
• Other wheel bearing service hardware

Critical Compatibility

• 8-lug front ends only: Engineered specifically for GM 8-lug front ends. Confirm your truck's wheel pattern matches before ordering.
• Quantity: Sold individually. Use 1 per side — a standard front axle service typically requires 2 total.
• Intended for bearing service: Designed to be installed as part of a wheel bearing replacement.
• Reusable design: Unlike factory caps, which commonly distort on removal, this cap is designed for repeated installation and removal — a benefit for trucks that see frequent maintenance.
• Multi-make coverage: Verified across Chevrolet, GMC, and Hummer H2 applications built on shared GM platforms. Confirm your specific make/model/year against the table rather than assuming cross-make interchangeability beyond what's listed.

Installation Notes

No specific torque or step-by-step manufacturer installation instructions were supplied for this task. This cap is intended to be installed as part of a wheel bearing replacement, on the hub's 8-lug front end. Follow current manufacturer procedures for your specific wheel bearing service.

The Obsidian Take

The AXGMCP10 addresses a specific, well-known frustration on GM 8-lug front ends: factory dust caps that deform or get destroyed on removal during a wheel bearing service. Axiom's black powder coated replacement is designed to be reusable across multiple service cycles, with corrosion protection built in for trucks that tow, haul, or see winter conditions. It's a single cap, sold individually — use one per side, and confirm your exact model and year against the Verified Fitment table before ordering.

This Product Is For You If

• You own a Chevrolet Silverado 1500 HD/2500 HD/3500, GMC Sierra 2500 HD/3500, or Hummer H2 with an 8-lug front end, matching the Verified Fitment table.
• You are servicing or replacing a front wheel bearing and want a reusable dust cap rather than a factory cap that may not survive removal.
• You want corrosion-resistant, powder coated hardware for a work truck, tow rig, or off-road application.

This Product Is Not For You If

• Your vehicle's make, model, or year is not confirmed in the Verified Fitment table.
• Your truck uses a 6-lug wheel pattern rather than 8-lug.
• You are looking for the wheel bearing itself or other service hardware — none of that is included with this listing.

Common Questions

How many dust caps do I need?
One per side. This listing is for a single cap.

Why does the factory cap keep getting destroyed when I try to remove it?
Factory dust caps on GM 8-lug trucks commonly deform or seize during removal. This cap is designed as a durable, reusable replacement that can be installed and removed multiple times without that issue.

Does this fit 6-lug GM trucks?
No. This cap is engineered specifically for GM 8-lug front ends.

What is the warranty on this part?
Axiom Supply covers this part for life against manufacturer defects, premature wear, and breakage, under the Axiom No-Nonsense Lifetime Warranty. Coverage applies to the original purchaser when purchased directly from Axiom Supply or an authorized dealer. See full warranty summary below.

Does off-road use or a lifted suspension void the warranty?
No. Axiom's warranty has no restrictions for normal vehicle use, modifications, off-road use, towing, hauling, oversized tires, or lifted suspension systems.

Manufacturer Data Disclaimer

Fitment, specification, and warranty data for this product are sourced from Axiom Supply product listing data and the Axiom Supply Warranty Policy supplied for this exact part number, current as of publication. Specifications and fitment are subject to change without notice; confirm current documentation for this SKU at the time of purchase.

Required Legal, Warning, Fitment, and Return Notices

Warranty Summary: Axiom Supply warrants its suspension and steering components against manufacturer defects, premature wear, and breakage for the life of the product, to the original purchaser, when purchased directly from Axiom Supply or an authorized Axiom Supply dealer. Warranty registration is not required, but proof of purchase is required to submit a claim; claims submitted without proof of purchase may not be approved. Approved claims are resolved with a replacement part of equal or greater quality; this warranty covers replacement parts only and does not include refunds, and does not cover labor, installation costs, collateral damage, or shipping costs unless otherwise stated. There are no mileage limits, time limits, or restrictions based on normal vehicle use, modifications, off-road use, towing, hauling, oversized tires, or lifted suspension systems. This warranty does not cover an incorrectly installed part, a part that does not fit the listed application, or a failure caused by another damaged vehicle component.

To file a claim, submit the Warranty Claim Form at axiomsupply.com/pages/warranty-claim, including clear photos or videos of the issue when possible. Axiom Supply will respond within two business days; in most cases claims are reviewed and approved from photos, video, and provided information alone, with physical inspection requested only if the issue can't be clearly shown that way or photos/video aren't provided. Customers located in Alaska, Hawaii, U.S. territories, or other locations outside the contiguous United States may receive an approved replacement part at no charge but are responsible for the associated shipping costs.