This Aero Full-Moon rear axle cover kit is made for truck owners who want a smooth full-disc rear wheel cover with a clean aerodynamic appearance. The heavy-duty plastic inner mounting base supports the snap-on aero cover, while the included tools make removal easier for wheel inspection and tire valve stem access.
Features include:
- Full disc rear axle wheel cover
- Designed to help reduce aerodynamic drag
- Streamlined full-moon appearance
- Fits standard 22.5″ x 8.25″ steel wheels
- Fits standard 22.5″ x 8.25″ aluminum wheels
- Heavy-duty plastic inner mounting base
- Easy snap-on plastic aero cover
- Includes ten 33mm thread-on nut covers
- Nut cover socket included
- Wheel protector film included
- Top cover removal tool included
- 6-month warranty
Key Features & Benefits
Full Disc Aero Design
The full disc cover creates a smooth wheel face that helps reduce aerodynamic drag and gives the truck a cleaner, more streamlined look.
Easy Access Design
The cover is designed to be removed and replaced for wheel inspection and tire valve stem pressure checks.
Complete Install Kit
The kit includes the 33mm thread-on nut covers, nut cover socket, wheel protector film, and removal tool needed for proper setup and access.
Compatibility & Use Case
Designed for:
- Rear axle applications
- Standard 22.5″ x 8.25″ steel wheels
- Standard 22.5″ x 8.25″ aluminum wheels
- Semi truck aerodynamic styling
- Fleet appearance upgrades
- Owner-operator wheel-end upgrades
Fitment depends on wheel size, lug nut style, thread exposure, and wheel clearance.
Installation & Technical Details
- Product type: Rear axle cover kit
- Style: Aero Full-Moon full disc cover
- Wheel fitment: Standard 22.5″ x 8.25″ steel and aluminum wheels
- Mounting base: Heavy-duty plastic inner mounting base
- Outer cover: Snap-on plastic aero cover
- Nut cover size: 33mm
- Nut cover style: Thread-on
- Nut cover item number: #10552B
- Required thread exposure: Minimum 6 threads or 1/2″ of threads above each lug nut
- Finish options: Chrome plated, matte black, indigo blue, or candy red
- Warranty: 6 months
Do not install if the lug nuts do not have enough exposed threads for proper engagement.
What’s Included
Included:
- 1 × Aero Full-Moon Rear Axle Cover
- 1 × Heavy-Duty Plastic Inner Mounting Base
- 10 × 33mm Thread-On Nut Covers, item #10552B
- 1 × Nut Cover Socket
- 1 × Wheel Protector Film
- 1 × Top Cover Removal Tool
Available finishes:
- Chrome plated
- Matte black powder coated
- Indigo blue powder coated
- Candy red powder coated
Warranty & Damage Notes
This product includes a 6-month warranty.
No warranty coverage is provided for damage caused by road debris, rocks, chemicals, truck washes, improper installation, or similar external damage.
Frequently Asked Questions About Aero Full-Moon Rear Axle Cover Kits
What wheels does this cover fit?
It fits standard 22.5″ x 8.25″ steel and aluminum wheels.
What is the purpose of the full disc design?
The full disc wheel cover helps reduce aerodynamic drag and gives the rear wheel a smooth, streamlined appearance.
Can the cover be removed for wheel inspection?
Yes. The cover is designed to be easy to remove and replace for wheel inspection and tire valve stem pressure checks.
Are nut covers included?
Yes. The kit includes ten 33mm thread-on nut covers, item #10552B.
How many exposed threads are required?
A minimum of 6 threads or 1/2″ of threads must extend through the top of each lug nut for proper installation.
What finishes are available?
This kit is available in chrome plated finish, matte black, indigo blue, or candy red.
What warranty is included?
This product includes a 6-month warranty, excluding damage from road debris, rocks, chemicals, truck washes, improper installation, and similar external causes.






















