What Problem This Part Solves
This door kit replaces warped, dented, or leaking smoker doors that allow heat and smoke to escape, causing temperature fluctuations, longer cook times, and poor smoking results.
Key Features
• Complete replacement front door assembly
• Restores proper seal and heat retention
• Improves smoke containment and temperature stability
• Designed for Masterbuilt 40 inch electric smokers
Compatibility / Fits Models
• Masterbuilt 40 inch electric smokers
Fits Models
MB20072918, MB20073018, MB20075917, MB20077118, MB21072918
Installation / Use Instructions (1–3 steps)
• Remove the damaged door and hinge hardware from the smoker cabinet.
• Align and mount the new door using the original hinge points.
• Install using your smoker’s original mounting hardware.
Why Buy From Bar-B-Que.com
• Trusted grill experts since 1974
• Genuine replacement parts and premium accessories
• Fast nationwide shipping
• Family-owned with real product support
FAQ Section (5 questions & answers)
Does this fit my grill?
This door kit fits most Masterbuilt 40 inch electric smokers. Confirm your exact model number before ordering.
What is this part made of?
The door is made from coated steel with an integrated heat-resistant seal.
How long should this part last?
With normal use, the door should last many years unless exposed to physical damage or extreme environmental conditions.
How do I install it?
Remove the old door, align the new one on the hinges, and secure it using the original mounting hardware.
Why choose this replacement part over others?
This replacement is designed for proper fit, sealing performance, and long-term durability specifically for Masterbuilt electric smokers.
This 40” door fit my model number no problem. I’m very happy because a new glass for my original door was going to cost $217. I now have a solid door which only cost me $75. Don’t have to worry about the glass breaking again. Thank you
