Masterbuilt 9004190172 Gravity Series Rotisserie Plug

What Problem This Part Solves

When the rotisserie motor or spit rod isn’t installed, an open rotisserie hole can cause heat and smoke loss, unstable temperature control, and inefficient cooking. The 9004190172 plug seals the opening, helping maintain proper temperature, airflow balance, and overall smoker performance.

Key Features 

• Mechanical rotisserie plug & seal for Gravity Series smokers

• Fills unused rotisserie motor/stub shaft opening

• Helps maintain internal heat and consistent airflow

• Durable construction suited for outdoor cooking conditions

• Easy insert and remove design

Compatibility / Fits Models

Fits Masterbuilt Gravity Series pellet smokers, including Gravity 560, 800, and 1050
Fits most Gravity Series grill configurations using the rotisserie plug — confirm your smoker model before ordering.

Fits Models
MB20040220, MB20041020, MB20041220

Installation / Use Instructions (1–3 steps)

1. Cool Smoker: Ensure the smoker is off and cool before handling any plugs.

2. Locate Opening: Find the unused rotisserie hole or motor stub port on the smoker body.

3. Insert Plug: Press or seat the rotisserie plug into the opening until snug to create an effective airflow and heat seal.

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FAQ Section (5 Questions & Answers)

1. Does this fit my grill?
Yes — this rotisserie plug fits Masterbuilt Gravity Series smokers that have a rotisserie port. Check your model before purchase.

2. What is this plug made of?
It’s made from durable, heat-resistant materials designed to seal openings and withstand normal smoker conditions.

3. How long should this part last?
With regular use and proper care, this plug should last through many seasons.

4. How do I install it?
Simply press the plug into the unused rotisserie opening to seal it when the rotisserie attachment is not in use.

5. Why choose this plug over alternatives?
This is a genuine Masterbuilt replacement engineered for exact fit and sealing performance on Gravity Series smokers — outperforming generic hole plugs.