YzusGomumu 5pcs 5th Wheel Platform Hitch Mount Covers for 2020–24 GMC/Chevy Crew Cab — OE Fit, Weather-Resistant

YzusGomumu 5-piece platform hitch covers are custom-fit protective plugs designed to seal and shield the 5th wheel mounting holes on 2020–2024 GMC Sierra and Chevrolet Silverado 2500/3500 Crew Cab pickups.

These replacement covers are made to the original equipment (OE) specifications MTG84756187 and MTG84756188 and include one center-hole cover plus four outer-hole plugs. Built from weather-resistant, heat-tolerant materials, they restore a clean finish to the hitch platform, keep moisture and debris out of the mounting cavities, and simplify maintenance without cutting or modifying factory parts.

How do these covers fit my 2020–2024 GMC or Chevrolet pickup?

The covers are engineered to match the factory dimensions for GMC Sierra and Chevrolet Silverado 2500HD/3500HD Crew Cab four-door models from 2020 through 2024. Installation is plug-and-play: each cover snaps or presses into its corresponding mounting hole, so no tools or trimming are required.

• Compatibility: designed for 2020–2024 GMC Sierra and Chevrolet Silverado 2500HD/3500HD Crew Cab 4-door trucks
• OE references: MTG84756187 and MTG84756188 for verification
• Package: 1 center-hole cover + 4 outer-hole covers for full platform restoration
• Fitment: direct replacement that follows factory contours and tolerances

What protection do the hitch covers provide while towing or parked?

These covers are made from durable, weather-resistant material that helps prevent rust, corrosion, and dirt buildup inside the hitch cavities when the platform is not in use. Their waterproof design blocks moisture and grime, reducing the chance of seized fasteners and helping to maintain hitch function over time.

• Weatherproof sealing prevents water intrusion and standing moisture
• Dust and debris barrier preserves clean mounting surfaces
• Heat-resistant construction resists warping and cracking under temperature swings
• Corrosion resistance extends underlying metal component life

How durable and easy to maintain are these replacement plugs?

Manufactured with precision molding and resilient polymers, the plugs withstand repeated installation and removal without losing shape. They clean easily with soap and water and resist UV and road-chemical exposure—so routine upkeep is quick and inexpensive.

• Robust materials resist impact, chemicals, and UV degradation
• Precision fit maintains seal over many service cycles
• Simple cleaning: wipe or rinse to remove salt and grime
• Quick swap reduces downtime during inspections or trailer hookup

Can I install these myself, and what comes in the package?

Yes — the covers are intended for DIY installation without specialist tools. The kit contains all five pieces needed to fully cover a standard 5th wheel platform on compatible trucks, making it a convenient replacement or upgrade for worn or missing covers.

• Contents: one center-hole cover plus four outer-hole covers (5 pieces total)
• Installation: push-fit or press-in application, no drilling or trimming
• Replacement tip: check OE part numbers MTG84756187 / MTG84756188 before purchase
• Maintenance: remove and clean during routine hitch inspections

Who is this for: YzusGomumu 5-piece platform hitch covers suit owners of 2020–2024 GMC Sierra and Chevrolet Silverado 2500HD/3500HD Crew Cab 4-door pickups who want a factory-fit replacement for lost or damaged hitch plugs, or those seeking to protect their 5th wheel platform from moisture, dirt, and corrosion. Ideal for fleet managers, truck owners who tow frequently, and anyone wanting a low-cost way to maintain the hitch area and reduce long-term maintenance issues.