Masterbuilt 9904210005 Gravity 800 & 1050 Hopper Middle Assembly Kit

What Problem This Part Solves

A damaged, bent, or warped hopper middle section can affect pellet storage integrity, leading to irregular pellet flow, moisture intrusion, or hopper instability. This replacement rebuilds the hopper’s structure, ensuring reliable pellet feeding and long-term durability.

Key Features 

• Hopper middle assembly compatible with Gravity 800 and Gravity 1050 smokers

• Provides structural support for pellet hopper walls

• Durable outdoor-rated construction

• Helps maintain pellet flow and prevents hopper deformation

• Direct OEM replacement for proper fit

Compatibility / Fits Models

Fits Masterbuilt Gravity 800 pellet smokers
Fits Masterbuilt Gravity 1050 pellet smokers
Fits most Gravity 800 & 1050 configurations—confirm model before ordering.

Fits Models
CGP30G1D, MB20040122, MB20040221, MB20041220, MB20041320, MB20042221

Installation / Use Instructions (1–3 steps)

1. Power Off & Empty Hopper: Unplug the smoker and remove pellets from the hopper.

2. Remove Old Middle Section: Disassemble the hopper to access and remove the damaged middle section.

3. Install Replacement: Position the 9904210005 hopper middle assembly and secure using original mounting hardware.

Refer to your Gravity Series manual for exact disassembly procedures and safety guidelines.

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FAQ Section (5 questions & answers)

1. Does this fit my grill?
Yes — this hopper middle assembly fits Masterbuilt Gravity 800 and Gravity 1050 pellet smokers. Confirm your specific model before ordering.

2. What is this part made of?
It’s constructed from outdoor-rated metal designed to withstand pellet weight and environmental exposure.

3. How long should this part last?
With proper installation and normal use, this hopper section should last multiple grilling seasons.

4. How do I install it?
Disconnect power, empty the hopper, remove the damaged middle section, and secure the replacement with original mounting hardware.

5. Why choose this OEM replacement over others?
This is a genuine Masterbuilt part engineered for exact fit and performance on Gravity 800 and 1050 smokers, ensuring reliable pellet storage and consistent feeding compared to generic flanges.