Eterpace Tow Mirror Cover Cap for GMC Sierra & Chevrolet Silverado 2500/3500HD 2020–2025 — Black Clip‑On Dually Top & Side Trim

Eterpace tow mirror cover cap is a clip-on black trim designed to restore or protect the dually top and side of the factory side-view mirrors on 2020–2025 GMC Sierra 2500HD/3500HD and Chevrolet Silverado 2500HD/3500HD trucks.

If your truck’s tow mirrors show scuffs, faded finishes, or you want an easy aftermarket replacement without drilling, this injection-molded ABS cap offers a direct-fit option. It snaps onto the original mirror housing to protect the top and outer face on dual-wheel (dually) trucks, matching the dimensions of GM OEM mirror assemblies for those specific model years. This listing corresponds to replacement part numbers 84468904 and 84468910 — double-check your truck’s part reference before ordering.

Will this tow mirror cover fit my GMC Sierra or Chevy Silverado?

The cap is made to fit full-size heavy-duty GM tow mirrors on 2500HD and 3500HD pickup trucks from model years 2020 through 2025. It is compatible with both GMC Sierra and Chevrolet Silverado heavy-duty mirrors that use the top-and-side clip-on style found on dually trucks.

• Fitment: GMC Sierra 2500HD / 3500HD (2020–2025)
• Fitment: Chevrolet Silverado 2500HD / 3500HD (2020–2025)
• Check: matches OEM replacement numbers 84468904 and 84468910
• Confirm: designed for clip-on dually top and side mirror housings

How is the Eterpace cover installed and what tools are needed?

Installation uses a direct clip-on system that secures the cap to the existing mirror housing—no drilling or adhesive required. The design aligns with factory clips and tabs, so installation is typically a simple press-and-lock procedure that you can complete by hand in minutes.

• No drilling or permanent modification required
• Hand-press clip-on fit; light prying tool can help remove old cap if necessary
• Reuses factory mounting points and clips when present
• Provides a one-piece replacement for top and outer mirror surface

What material and durability can I expect from this mirror trim?

The trim is molded from automotive-grade ABS plastic engineered to resist deformation and cracking under normal driving conditions. Its robust construction protects the underlying factory mirror housing from road debris and everyday wear while maintaining the shape required for proper mirror operation.

• Material: durable ABS plastic for impact and weather resistance
• Finish: black trim that blends with many OEM mirror finishes
• Function: protects original mirror housing and extends service life
• Replacement: serves as a cost-effective alternative to OEM assemblies

Which part numbers or details should I verify before purchase?

Confirm that your truck’s mirror uses the clip-on dually top and side configuration and compare your current part number with the provided references. Matching the OEM numbers and verifying the mirror style prevents ordering an incompatible trim piece.

• Compare with OEM replacement numbers 84468904 and 84468910
• Verify mirror style: dually top & side clip-on cap
• Applicable vehicles: 2500HD and 3500HD models, 2020–2025
• Measure or visually match existing cap before installing

Who is this for? If you own a 2020–2025 GMC Sierra or Chevrolet Silverado 2500HD/3500HD with clip-on dually mirrors and need a straightforward, cost-effective replacement or protective cover, this Eterpace cap is made for you. It’s aimed at truck owners who prefer an easy, non-destructive installation, want to preserve the factory mirror housing, or need an OEM-style replacement without buying a full mirror assembly. Always confirm fitment and part numbers before purchase to ensure proper compatibility.