Is ngk bkr5e profitable to sell on Amazon United States?

The niche generates $43K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +52.7%. Flapen's verdict: Skip it (46/100).

How competitive is the ngk bkr5e niche?

4 brands and 53 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in ngk bkr5e?

Top complaints mined from reviews: Compatibility-Overall, Quality-Overall, Defective Material/Parts. The return rate is 1.3%.

When does demand for ngk bkr5e peak?

Demand peaks in Mar–Apr–May; the busiest month runs 3.3× the quietest.

What does it cost to enter the ngk bkr5e niche?

Listings span $7.41–$26.66; the average listing price is $11.84 (sweet spot $15–$100). The average incumbent carries 209 reviews — the moat a new listing must climb.

ngk bkr5e

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible13.6%

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

Review moat

Great208.57

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.3%

return rate — above 5% kills the launch gate

Growth

Good+52.7%

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

Price range

Good$7.41–$26.66

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

Avg price

Okay$11.84

avg listing price — sweet spot $15–$100

Competition

Bad75%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad$43K

$43K/yr · 27K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, ngk bkr5e is a $43K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 46/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

ngk bkr5e market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $47K–$59K; units × avg price
Conversion rate: 13.6%
Avg BSR: #283
Page quality: 0%
Prime: 100%
Sponsored: 64%
Out of stock: 0.0%
Avg brand age: 54 months
Avg seller age: 168 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

NGK79%
LEFITPA13%
JSIERLUOV5%
Eopzol3%

Demand & seasonality

Weekly Amazon search volume, last 58 weeks — +52.7% search growth over the last 90 days.

Peak months: Mar, Apr, May · busiest ÷ quietest = 3.3×

Open Trend

Top ngk bkr5e search terms

ngk bkr5e12K/yr +45.7%15.1% conv.
bkr5e ngk spark plug9K/yr +53.1%15.9% conv.
bkr5e6K/yr +69.3%11.8% conv.

All search terms

Top ngk bkr5e 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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NGK Copper Spark Plug BKR5E- Set of 4

NGK$16.224.8★167 rev

NGK Spark Plug BKR5E (7938) Pack of 8

NGK$26.664.6★173 rev

LEFITPA 2 Pack Replacement BKR5E-11 Spark Plug for NGK Lawn Mower Models

LEFITPA$10.354.2★41 rev

NGK Resistor Sparkplug BKR5E for Honda Rancher 420 4x4 2007-2014

NGK$7.414.8★168 rev

NGK SPARK PLUG SET NGK - 134.56.44 - BKR5E 7938 - Set 2 piece -

NGK$10.634.5★23 rev

Newest

by launch date

JSIERLUOV RC12YC BKR5E Spark Plugs for MTD 759-3336 Champion Briggs 491055S 692051 792015 kohler 12 132 02-S John Deere M78543 M8754 Autolite 3924 Spark Plug (4 Pack)

JSIERLUOV$8.9136 rev

5mo ago

LEFITPA 2 Pack Replacement BKR5E-11 Spark Plug for NGK Lawn Mower Models

LEFITPA$10.3541 rev

3y ago

Eopzol BKR5E Spark Plugs Replacement for NGK 7938 M78543 M143270 25 132 14-S 14 132 03-S 4-Pack

Eopzol$13.0543 rev

3y ago

NGK Spark Plug BKR5E (7938) Pack of 8

NGK$26.66173 rev

7y ago

NGK Resistor Sparkplug BKR5E for Honda Rancher 420 4x4 2007-2014

NGK$7.41168 rev

8y ago

What buyers say about ngk bkr5e

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

What buyers love

Socket/Port/Plug22%

“Good plugs at a good price”

Quality-Overall15%

“Good quality”

Value For Money15%

“Good product for a fair price”

Advertised Vs Actual Product13%

“Exactly what I needed”

Size-Overall13%

“Correct size”

Efficiency7%

“Vehicle runs better”

Assembly/Installation4%

“Easy to install”

Functionality-Overall2%

“Well, these are spark plus and after installing my mower actually ran”

Product Condition2%

“when I take these out they still look like they're new”

Brightness/Shine/Glow2%

“Sparky”

What buyers complain about

Compatibility-Overall33%

“Does not fit for John Deere 318”

Quality-Overall25%

“Cheap”

Defective Material/Parts17%

“Parts do not fit”

Size-Overall17%

“it seems loose”

Top return reasons

Size-Overall48%

Advertised Vs Actual Product17%

Compatibility-Overall9%

Value For Money7%

Defective Material/Parts5%

Functionality-Overall4%

Socket/Port/Plug3%

Motor Issues2%

Assembly/Installation1%

Heating1%

Common questions

Is ngk bkr5e profitable to sell on Amazon United States?: The niche generates $43K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +52.7%. Flapen's verdict: Skip it (46/100).
How competitive is the ngk bkr5e niche?: 4 brands and 53 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in ngk bkr5e?: Top complaints mined from reviews: Compatibility-Overall, Quality-Overall, Defective Material/Parts. The return rate is 1.3%.
When does demand for ngk bkr5e peak?: Demand peaks in Mar–Apr–May; the busiest month runs 3.3× the quietest.
What does it cost to enter the ngk bkr5e niche?: Listings span $7.41–$26.66; the average listing price is $11.84 (sweet spot $15–$100). The average incumbent carries 209 reviews — the moat a new listing must climb.