Is mr heater replacement parts profitable to sell on Amazon United States?

The niche generates $29K/yr across 22 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -88.3%. Flapen's verdict: Skip it (41/100).

How competitive is the mr heater replacement parts niche?

16 brands and 57 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in mr heater replacement parts?

Top complaints mined from reviews: Heating, Size-Overall, Quality-Overall. The return rate is 2.4%.

When does demand for mr heater replacement parts peak?

Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 24.7× the quietest.

What does it cost to enter the mr heater replacement parts niche?

Listings span $7.56–$28.24; the average listing price is $17.19 (sweet spot $15–$100). The average incumbent carries 263 reviews — the moat a new listing must climb.

mr heater replacement parts

Skip it

Soft demand (-88.3% this quarter) — this niche doesn't clear our bar today.

Review moat

Great263.45

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.19

avg listing price — sweet spot $15–$100

Returns

Good2.4%

return rate — above 5% kills the launch gate

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Price range

Good$7.56–$28.24

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.5%

search→purchase rate — share of searches ending in a sale

Market size

Bad$29K

$29K/yr · 115K searches

Growth

Bad-88.3%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, mr heater replacement parts is a $29K/yr Amazon United States market (115K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 41/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

mr heater replacement parts market data

Units sold / yr: 3K–3K; avg 0–100/product
Revenue / yr: $43K–$52K; units × avg price
Conversion rate: 1.5%
Avg BSR: #474
Page quality: 0%
Prime: 95%
Sponsored: 82%
Out of stock: 7.0%
Avg brand age: 34 months
Avg seller age: 183 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

50%

Top 20: 98%

Open market

29%

Mr. Heater37%
Foycow10%
Fixitshop9%
Timsec6%
SZRKRLA5%
KBZ4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -88.3% search growth over the last 90 days.

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 24.7×

Open Trend

Top mr heater replacement parts search terms

mr heater parts24K/yr -86.2%0.6% conv.
mr heater replacement parts18K/yr -84.3%0.6% conv.
buddy heater parts11K/yr -85.5%1.8% conv.
mr heater thermocouple5K/yr -87.6%9.4% conv.
mr buddy heater parts5K/yr -90.1%1.6% conv.
mr heater propane heater parts5K/yr -91.4%1.1% conv.
mr heater buddy replacement parts4K/yr -91.4%1.2% conv.
mr buddy heater replacement parts3K/yr -62.9%1.2% conv.
mr heater 30000 btu parts3K/yr -89.9%0.6% conv.
thermocouple for mr heater7K/yr -94.5%3.9% conv.

All search terms

Top mr heater replacement parts 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Mr. Heater THERMOCOUPLE ASSEMBLY WITH TIP-OVER SWITCH WIRES

Mr. Heater$12.864.5★851 rev

Mr. Heater Buddy Heater MH9BX Replacement Tile Kit

Mr. Heater$28.244.0★43 rev

Foycow F273401 73404 Pilot Assembly Replacement Compatible with Mr Heater Big Buddy MH9B MH9BX MH18B and Compatible with Small Propane Heater

Foycow$17.814.7★44 rev

proparts1 Mr Heater F273117 Replacement Thermocouple Lead 12.5

Mr. Heater$7.564.2★116 rev

SZRKRLA 3 Pack F237349 2304885 Propane Tank Top Heater Thermocoupler Fit for Mr.Heater MH15T MH30T MH45T for Sunrite SRC15T SRC30T for GHP/Dyna Glo

SZRKRLA$22.263.4★3 rev

Newest

by launch date

F273401 73404 Pilot Assembly Direct Replacement for Portable Buddy Mr Heaters Parts Compatible with MH9B MH9BX MH18B and for Dewalt Small Propane Heater Parts Replace 78422 F278527

XOMIUHL$10.883 rev

6mo ago

Eifelgold F273401 73404 Pilot Assembly

Eifelgold$22.615 rev

8mo ago

SZRKRLA 3 Pack F237349 2304885 Propane Tank Top Heater Thermocoupler Fit for Mr.Heater MH15T MH30T MH45T for Sunrite SRC15T SRC30T for GHP/Dyna Glo

SZRKRLA$22.263 rev

8mo ago

F237349 Propane Tank-Top Heater Thermocouple Safety Assembly Compatible with Mr. Heater MH15T MH15TS MH30T MH30TS MH45T and SunRite SRC15T SRC30T with Tip-Over Switch

DuckcowsC$10.8823 rev

11mo ago

F273401 73404 Pilot Assembly-Direct Replacement for Mr Heater Portable Buddy MH9B/MH9BX & DeWalt 78422-Compatible with F278527 ODS & MH18B Space Heaters

WUVYFWN$22.7731 rev

1y ago

What buyers say about mr heater replacement parts

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall26%

“Fit great”

Advertised Vs Actual Product16%

“Just What was advertised”

Heating12%

“These have definitely made maintaining my heater much easier”

Assembly/Installation9%

“installed it works fine”

Efficiency9%

“Works flawlessly”

Quality-Overall9%

“well made”

Value For Money6%

“Great deal”

Ease Of Use4%

“but it was easy”

Compatibility-Overall1%

“Works for Ooni pizza oven too”

Maintenance And Repair1%

“Repaired my old propane tank top heater and this was an effective and cheap repair”

What buyers complain about

Heating11%

“Heater would not work at all with out this installed”

Size-Overall9%

“Does not fit please help with refund”

Quality-Overall9%

“Quality. Seems cheap had to order more”

Instructions/User Manual/Troubleshooting8%

“Also no instructions online for my particular model”

Durability7%

“Didn't last”

Functionality-Overall7%

“Did not work”

Assembly/Installation5%

“A little difficult to install”

Connectivity-Overall5%

“Involves the disconnection of fixed gas pipes”

Compatibility-Overall5%

“Not compatible”

Value For Money5%

“Wont last wasted 17 dollars”

Top return reasons

Size-Overall34%

Compatibility-Overall23%

Advertised Vs Actual Product8%

Defective Material/Parts7%

Assembly/Installation7%

Heating4%

Value For Money4%

Functionality-Overall3%

Durability2%

Product Condition2%

Common questions

Is mr heater replacement parts profitable to sell on Amazon United States?: The niche generates $29K/yr across 22 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -88.3%. Flapen's verdict: Skip it (41/100).
How competitive is the mr heater replacement parts niche?: 16 brands and 57 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in mr heater replacement parts?: Top complaints mined from reviews: Heating, Size-Overall, Quality-Overall. The return rate is 2.4%.
When does demand for mr heater replacement parts peak?: Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 24.7× the quietest.
What does it cost to enter the mr heater replacement parts niche?: Listings span $7.56–$28.24; the average listing price is $17.19 (sweet spot $15–$100). The average incumbent carries 263 reviews — the moat a new listing must climb.