87846950 84532403 Air Filter Cover Plate for GMC Sierra 2500 HD 2019 2020 2021

Air Filter Cover Plate for GMC

This Air Filter Cover Plate, cross-referencing OEM numbers 87846950 and 84532403, fits GMC Sierra 2500 HD models from 2019 through 2021 to secure the intake filter element.

Overview

Replacing a damaged or missing Air Filter Cover Plate is essential for proper engine air filtration. This aftermarket cover plate matches GMC OEM part numbers 87846950 and 84532403 and is designed for direct fit on 2019-2021 GMC Sierra 2500 HD trucks. It seals the air filter housing to prevent debris from entering the intake system.

Built For Performance

• Made from high-impact plastic for durability under hood heat
• Precision-molded to match factory contours for a secure seal
• Includes necessary mounting holes for existing hardware
• Lightweight design does not add unnecessary weight
• Compatible with OEM and aftermarket air filter elements

Fits These Machines

• for GMC Sierra 2500 HD 2019
• for GMC Sierra 2500 HD 2020
• for GMC Sierra 2500 HD 2021

On-The-Job Use

• Daily driving and towing with heavy-duty trucks
• Off-road and construction site environments
• Routine air filter replacement maintenance

Specs At A Glance

Good To Know

Q: Does this cover plate include the mounting screws? A: No, this is the cover plate only; you reuse the original screws or clips from your existing housing.

Q: Will this fit a 2020 GMC Sierra 2500 HD with the 6.6L Duramax? A: Yes, the cover plate is compatible across all engine options for 2019-2021 Sierra 2500 HD, including the 6.6L Duramax diesel.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.