YzusGomumu 5pcs 5th Wheel Mount Covers for 2020–24 GMC/Chevy 2500/3500HD — OE-fit, Weather-Resistant

YzusGomumu 5pcs Platform Hitch 5th Wheel Mount Covers provide a precise, weatherproof replacement set for the center and outer mounting holes on 2020–2024 GMC and Chevrolet 2500HD/3500HD crew cab pickups.

These five-piece plug covers are made to fit the factory fifth-wheel mounting pattern on 2020–2024 GMC Sierra and Chevrolet Silverado heavy-duty crew cab trucks. Manufactured from weather-resistant, heat-tolerant materials and designed to match OE sizing, the set simplifies protecting unused hitch holes from moisture, dirt, and corrosion while preserving the truck's finish and factory mounting geometry.

What vehicles and part numbers do these covers fit?

They are engineered specifically for 2020–2024 GMC Sierra 2500HD and 3500HD Crew Cab 4-door models and for 2020–2024 Chevrolet Silverado 2500HD and 3500HD Crew Cab 4-door trucks. Before buying, verify fitment by checking the OE reference numbers listed on your vehicle.

• Compatible models: 2020–2024 GMC Sierra 2500HD/3500HD Crew Cab 4-door
• Also fits: 2020–2024 Chevrolet Silverado 2500HD/3500HD Crew Cab 4-door
• OE numbers to confirm: MTG84756187 and MTG84756188

How durable and weatherproof are these replacement hitch covers?

The covers are molded from durable, weather-resistant compound and built to resist cracking from thermal stress and UV exposure. Their construction keeps out moisture, dust, and road debris to reduce corrosion risk and help the mounting cavity stay dry and clean.

• Weather-resistant material resists UV, rain, and road chemicals
• Heat-tolerant design minimizes fracture risk under load-area temperatures
• Sealed profile blocks dirt and water intrusion

How easy is installation and what is included in the package?

Installation is plug-and-play—no drilling or vehicle modification is required. The set contains one center-hole cover plus four outer-hole plugs sized to the factory openings so replacements take only minutes using basic hand pressure or a small trim tool.

• Package contents: 1 center cover and 4 outer hole covers (total 5 pieces)
• No tools or customization needed for standard factory holes
• Quick swap reduces downtime and simplifies maintenance

Will these covers affect hitch operation or towing setup?

When installed in unused mounting holes, the covers protect the cavity without altering the hitch’s performance. They are designed to be removed easily when you install a hitch or accessories, and their low-profile shape preserves the flat mounting surface when not in use.

• Low-profile fit keeps mounting flange clear for accessories
• Removable for fast access to mounting points
• Non-invasive: no change to factory hole dimensions or alignment

Who is this for: This five-piece plug kit is ideal for owners of 2020–2024 GMC Sierra or Chevrolet Silverado 2500HD/3500HD crew cab trucks who want a simple, durable way to protect unused fifth-wheel mounting holes. It suits fleet managers, weekend haulers, and anyone who prefers maintaining factory appearance and preventing moisture or debris buildup in hitch cavities. Confirm OE numbers MTG84756187 and MTG84756188 match your vehicle before ordering to ensure exact fit.