Is spark plug 794-00055a profitable to sell on Amazon United States?

The niche generates $30K/yr across 5 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +168.8%. Flapen's verdict: Skip it (43/100).

How competitive is the spark plug 794-00055a niche?

4 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in spark plug 794-00055a?

Top complaints mined from reviews: Rusts/Corrodes, Maintenance And Repair, Pressure. The return rate is 1.7%.

When does demand for spark plug 794-00055a peak?

Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.1× the quietest.

What does it cost to enter the spark plug 794-00055a niche?

Listings span $6.99–$13.11; the average listing price is $9.75 (sweet spot $15–$100). The average incumbent carries 200 reviews — the moat a new listing must climb.

spark plug 794-00055a

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible18.4%

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

Growth

Incredible+168.8%

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

Review moat

Great200.2

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.7%

return rate — above 5% kills the launch gate

Avg price

Okay$9.75

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$30K

$30K/yr · 17K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad$6.99–$13.11

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

Signals Trending

According to Flapen's Amazon United States niche tracking, spark plug 794-00055a is a $30K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Skip it — 43/100.

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

spark plug 794-00055a market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $29K–$39K; units × avg price
Conversion rate: 18.4%
Avg BSR: #160
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 71 months
Avg seller age: 167 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Hipa70%
Pro Chaser11%
Wetenex10%
TORCH9%

Demand & seasonality

Weekly Amazon search volume, last 55 weeks — +168.8% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 7.1×

Open Trend

Top spark plug 794-00055a 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 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

794-00055A Spark Plug for Champion RDJ7J MTD 753-06847 753-06193 Bolens BL110 BL125 BL160 Troy Bilt TB22 YN22EC TB32EC TB35EC TB25C TB25CB Trimmer Brushcutter

Hipa$9.224.7★390 rev

Hipa 794-00055A Spark Plug Replaces MTD 794 00055A 753-06847 753-06193 794-00050 Champion RDJ7J DJ7J NGK BM6F Spark Plug (4 Pack)

Hipa$11.624.6★246 rev

794-00055A Spark Plug for MTD RDJ7J DJ8J 753-06847 794-00050 753-06193 Champion DJ7J DJ8 847 850 NGK 6221 745 BM6F BM6FY (Pack of 4)

Pro Chaser$13.114.4★71 rev

794-00055A Spark Plug for Champion RDJ7J RDJ8J MTD Troy Bilt 753-06847 753-06193 79400055A TB22 TB22EC TB32EC TB35EC TB25C TB25CB Bolens BL110 BL160 Trimmer Blower 2 PACK

Wetenex$7.794.6★11 rev

TORCH BM6F Spark Plug Replace for CHAMPION DJ8J DJ7J 847 850 for NGK BM6F 794-00050 794-00055A for BOSCH HS8E HS6E WAK145T3 for DENSO T20M-U for MEGA-FIRE SE-J8D for ACDelco CS44TA CS45T OEM

TORCH$6.994.6★283 rev

Newest

by launch date

794-00055A Spark Plug for Champion RDJ7J RDJ8J MTD Troy Bilt 753-06847 753-06193 79400055A TB22 TB22EC TB32EC TB35EC TB25C TB25CB Bolens BL110 BL160 Trimmer Blower 2 PACK

Wetenex$7.7911 rev

4mo ago

Hipa 794-00055A Spark Plug Replaces MTD 794 00055A 753-06847 753-06193 794-00050 Champion RDJ7J DJ7J NGK BM6F Spark Plug (4 Pack)

Hipa$11.62246 rev

3y ago

TORCH BM6F Spark Plug Replace for CHAMPION DJ8J DJ7J 847 850 for NGK BM6F 794-00050 794-00055A for BOSCH HS8E HS6E WAK145T3 for DENSO T20M-U for MEGA-FIRE SE-J8D for ACDelco CS44TA CS45T OEM

TORCH$6.99283 rev

4y ago

794-00055A Spark Plug for Champion RDJ7J MTD 753-06847 753-06193 Bolens BL110 BL125 BL160 Troy Bilt TB22 YN22EC TB32EC TB35EC TB25C TB25CB Trimmer Brushcutter

Hipa$9.22390 rev

5y ago

794-00055A Spark Plug for MTD RDJ7J DJ8J 753-06847 794-00050 753-06193 Champion DJ7J DJ8 847 850 NGK 6221 745 BM6F BM6FY (Pack of 4)

Pro Chaser$13.1171 rev

6y ago

What buyers say about spark plug 794-00055a

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

What buyers love

Size-Overall29%

“Perfect fit”

Advertised Vs Actual Product17%

“The picture was correct”

Value For Money13%

“Value for your money, easy installment, works”

Socket/Port/Plug8%

“Good plugs”

Functionality-Overall8%

“Works great and engine starts right up every time”

Quality-Overall4%

“Quality”

Ease Of Use4%

“easy installment, works”

Design-Overall4%

“Worked as designed”

Efficiency4%

“Work good so far good to have on the shelf for when diagnosing equipment”

Motor Power4%

“Works great and engine starts right up every time”

What buyers complain about

Rusts/Corrodes33%

“My weed whacker failed to start after the winter, and the old spark plug was corroded and burnt”

Maintenance And Repair33%

“Took a few more pulls than I expected after replacement”

Pressure17%

“plug hits top of piston”

Leak-Proof17%

“No washers on plugs so they dont seal well”

Top return reasons

Size-Overall47%

Functionality-Overall13%

Compatibility-Overall12%

Advertised Vs Actual Product9%

Value For Money7%

Defective Material/Parts4%

Socket/Port/Plug3%

Assembly/Installation1%

Maintenance And Repair1%

Add-Ons/Attachments1%

Common questions

Is spark plug 794-00055a profitable to sell on Amazon United States?: The niche generates $30K/yr across 5 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +168.8%. Flapen's verdict: Skip it (43/100).
How competitive is the spark plug 794-00055a niche?: 4 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in spark plug 794-00055a?: Top complaints mined from reviews: Rusts/Corrodes, Maintenance And Repair, Pressure. The return rate is 1.7%.
When does demand for spark plug 794-00055a peak?: Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.1× the quietest.
What does it cost to enter the spark plug 794-00055a niche?: Listings span $6.99–$13.11; the average listing price is $9.75 (sweet spot $15–$100). The average incumbent carries 200 reviews — the moat a new listing must climb.