---
title: "Masterbuilt Gravity Series 800 Cover — $77K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/masterbuilt-gravity-series-800-cover"
last_updated: "2026-08-07T18:55:44.928Z"
locale: en
meta:
description: "Niche score 59/100 · $77K/yr market · 21K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $77K/yr market · 21K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Masterbuilt Gravity Series 800 Cover — $77K/yr Amazon US Niche (2026) - Flapen"
---
# **masterbuilt gravity series 800 cover**
**Worth a look**
Shows a thin review moat (46 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 19Growth 68Conversion 69Competition 58Returns 54Price range 63Avg price 90Brand share 50Review moat 98Quality gap 79
**Review moat**
**Incredible****46.16**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$59.17**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+48.4%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****$9.91–$144.00**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****75%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$77K**
$77K/yr · 21K searches
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, masterbuilt gravity series 800 cover is a $77K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Apr–Nov. Verdict: Worth a look — 59/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **masterbuilt gravity series 800 cover market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$44K–$59K**
- units × avg price
- **Conversion rate**
- **6.3%**
- **Avg BSR**
- **#361**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **6.8%**
- **Avg brand age**
- **25 months**
- **Avg seller age**
- **232 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**20**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 89%
**Open market**
**21%**
- COMVIEE39% - Hisencn12% - YIGUCS11% - Unidanho9% - SafBbcue4% - Stanbroil4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +48.4% search growth over the last 90 days.
3K2KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, Nov · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/masterbuilt-gravity-series-800-cover/trend)
## **Top masterbuilt gravity series 800 cover search terms**
- **masterbuilt gravity series 800 parts**11K/yr+64.8%4.2% conv. - **masterbuilt 800 parts**5K/yr+23.3%3.5% conv. - **masterbuilt gravity series parts**4K/yr+39.3%2.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/masterbuilt-gravity-series-800-cover/search-terms)
## **Top masterbuilt gravity series 800 cover products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$3K8%$6K12%$9K16%$12K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hisencn Stainless Steel Heat Manifold Replacement Kit for Masterbuilt Gravity Series 800 Fits MB20040122 MB20040221 Ultra-Durable & Rust-Proof OEM Part: 9904200046**Hisencn**$67.19**4.9★66 rev](https://www.amazon.com/dp/B0F2MXQCTN) [2**Replacement Fan and Lid/Door Switch Kit Fit for Masterbuilt Gravity Series 560/800/1050 XL Digital Charcoal Grills & Smokers**YIGUCS**$39.43**4.4★55 rev](https://www.amazon.com/dp/B0CB8LPHQX) [3**Digital WIFI Controller Replacement for Masterbuilt Gravity Series 800 Digital Charcoal Grill + Smokers 9904200043 Control Panel Board Replacement Parts for Masterbuilt MB20040122 MB20040221**COMVIEE**$95.82**4.7★4 rev](https://www.amazon.com/dp/B0GGZ32GQK) [4**9904200043 Controller Compatible with Masterbuilt Gravity Series 800 Digital Charcoal Grill + Smokers Digital Control Panel (Non-Wifi) for Model: MB20040122 MB20040221 Replacement Part**COMVIEE**$62.39**3.6★69 rev](https://www.amazon.com/dp/B0C2GQ9WFK) [5**Heat Manifold with Base Kit for Masterbuilt Gravity Series 800 Digital Charcoal Grill and Smokers Replacement Parts 9904200046 Heat Manifold for Masterbuilt Smokers Models MB20040122 MB20040221**COMVIEE**$61.91**4.4★72 rev](https://www.amazon.com/dp/B0G2WBKTQS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Non-WiFi Control Panel Meat Probes Temperature Sensor Replacement Kit for Masterbuilt Gravity Series 560/800/1050 Digital Charcoal Grill+Smoker Parts Include: Controller 2 Meat Probes Temp Sensor**COMVIEE**$64.19**2 rev4mo ago](https://www.amazon.com/dp/B0GR4G25DT) [**WiFi Control Panel for Masterbuilt Gravity 560 800 1050 Series Digital Controller Replacement Parts Electric Smoker Power Adapter Hopper Lid Door Switch Fan Wire Grill 9904190036 9904200043 9904200004**Unidanho**$119.60**2 rev6mo ago](https://www.amazon.com/dp/B0GJD2DT1X) [**Replacement Fan 3PC Lid/Door Switches and Wires Kit for Masterbuilt Gravity Series 560/800/1050 Digital Charcoal Grill + Smoker Include Parts 9904190040 Fan 9904190041 Switches Wiring kit**COMVIEE**$37.06**7 rev6mo ago](https://www.amazon.com/dp/B0GJ43NM64) [**Digital WIFI Controller Replacement for Masterbuilt Gravity Series 800 Digital Charcoal Grill + Smokers 9904200043 Control Panel Board Replacement Parts for Masterbuilt MB20040122 MB20040221**COMVIEE**$95.82**4 rev6mo ago](https://www.amazon.com/dp/B0GGZ32GQK) [**Upgraded WiFi Controller Replacement for Masterbuilt Gravity Series 560/800/1050 Digital Charcoal Grill Smoker with Smart APP Control & Real-Time Temp Monitoring Incudes RTD Probe and 2 Meat Probes**Shunbaixin**$112.16**13 rev6mo ago](https://www.amazon.com/dp/B0G48Z55TG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WiFi Controller Replacement Kit for Masterbuilt Gravity Series 560 800 1050 Digital Charcoal Grill Complete Set with Smart Control Panel RTD Probe 4 Meat Probes 3 Door Switches & Power Adapter**CAKPRIO**$144.00**3.8★**▲ 208%**](https://www.amazon.com/dp/B0GM6GK7BX) [**WiFi Control Panel for Masterbuilt Gravity 560 800 1050 Series Digital Controller Replacement Parts Electric Smoker Power Adapter Hopper Lid Door Switch Fan Wire Grill 9904190036 9904200043 9904200004**Unidanho**$119.60**3.5★**▲ 191%**](https://www.amazon.com/dp/B0GJD2DT1X) [**LSBABQ Heat Manifold Replacement Parts for Masterbuilt Gravity Series 800 Digital Charcoal Grill and Smokers Models MB20040122 MB20040221 9904200046**LS'BABQ**$45.30**4.4★**▲ 189%**](https://www.amazon.com/dp/B0GCHZZT6G) [**Non-WiFi Control Panel Meat Probes Temperature Sensor Replacement Kit for Masterbuilt Gravity Series 560/800/1050 Digital Charcoal Grill+Smoker Parts Include: Controller 2 Meat Probes Temp Sensor**COMVIEE**$64.19**4.5★**▲ 187%**](https://www.amazon.com/dp/B0GR4G25DT) [**Upgraded WiFi Controller Replacement for Masterbuilt Gravity Series 560/800/1050 Digital Charcoal Grill Smoker with Smart APP Control & Real-Time Temp Monitoring Incudes RTD Probe and 2 Meat Probes**Shunbaixin**$112.16**3.6★**▲ 167%**](https://www.amazon.com/dp/B0G48Z55TG)
**~~View all trending →~~**
## **What buyers say about masterbuilt gravity series 800 cover**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**22%
*“fit exactly as it should”*
**Quality-Overall**16%
*“Quality looks to be very good”*
**Assembly/Installation**12%
*“Easy install”*
**Value For Money**5%
*“Great price”*
**Advertised Vs Actual Product**4%
*“Works as advertised, no issues”*
**Maintenance And Repair**4%
*“perfect replacement for factory parts”*
**Ease Of Use**4%
*“easy to use”*
**Efficiency**4%
*“Worked perfectly”*
**Strength**3%
*“Seems to be more robust than the OEM which”*
**Compatibility-Overall**2%
*“It was compatible right away and fit exactly as it should, which made installation simple and stress free”*
### **What buyers complain about **
**Weight Heavy**10%
*“Heavier than the one that came with the unit originally”*
**Assembly/Installation**10%
*“Cheap put together”*
**Quality-Overall**10%
*“the quality of the controller feels a little cheaply made”*
**Connectivity-Overall**6%
*“as some of the connectors on my original wires broke when disconnecting”*
**Value For Money**6%
*“Going through the manufacturer would have cost around $200 for all the items”*
**Compatibility-Overall**6%
*“Not compatible with my device”*
**Heating**5%
*“temperature control is random”*
**Functionality-Overall**2%
*“My fan stopped working”*
**Durability**2%
*“fails after a few months”*
**Grilling**2%
*“The original controller supplied with the grill lasted 18 months before crapping out, nothing worked no display, no fan relay, nothing and with this grill if the fan is not working the grill is not working”*
### **Top return reasons **
**Size-Overall**21%
**Functionality-Overall**18%
**Grilling**12%
**Connectivity-Overall**9%
**Defective Material/Parts**8%
**Heating**6%
**Advertised Vs Actual Product**5%
**Compatibility-Overall**5%
**Assembly/Installation**2%
**Product Condition**2%
## **Common questions**
- **Is masterbuilt gravity series 800 cover profitable to sell on Amazon United States?**
- The niche generates $77K/yr across 32 tracked products. 7 of 12 products launched in the last 360 days are still selling. 90-day search growth is +48.4%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the masterbuilt gravity series 800 cover niche?**
- 18 brands and 20 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in masterbuilt gravity series 800 cover?**
- Top complaints mined from reviews: Weight Heavy, Assembly/Installation, Quality-Overall. The return rate is 2.8%.
- **When does demand for masterbuilt gravity series 800 cover peak?**
- Demand peaks in Apr–Nov; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the masterbuilt gravity series 800 cover niche?**
- Listings span $9.91–$144.00; the average listing price is $59.17 (sweet spot $15–$100). The average incumbent carries 46 reviews — the moat a new listing must climb.
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