Is ngk bpm8y profitable to sell on Amazon United States?

The niche generates $166K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +76.3%. Flapen's verdict: Worth a look (50/100).

How competitive is the ngk bpm8y niche?

3 brands and 40 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in ngk bpm8y?

Top complaints mined from reviews: Size-Overall, Maintenance And Repair, Quality-Overall. The return rate is 0.8%.

When does demand for ngk bpm8y peak?

Demand peaks in Apr–May; the busiest month runs 4.4× the quietest.

What does it cost to enter the ngk bpm8y niche?

Listings span $7.23–$26.69; the average listing price is $10.81 (sweet spot $15–$100). The average incumbent carries 520 reviews — the moat a new listing must climb.

ngk bpm8y

Worth a look

Shows searches that convert (25.0% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Conversion

Incredible25.0%

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

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Growth

Great+76.3%

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

Review moat

Good519.67

avg incumbent reviews — the moat a new listing must climb

Price range

Good$7.23–$26.69

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

Avg price

Okay$10.81

avg listing price — sweet spot $15–$100

Market size

Okay$166K

$166K/yr · 61K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad82%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, ngk bpm8y is a $166K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 50/100.

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

ngk bpm8y market data

Units sold / yr: 13K–15K; avg 1,250–1,500/product
Revenue / yr: $135K–$162K; units × avg price
Conversion rate: 25.0%
Avg BSR: #90
Page quality: 0%
Prime: 100%
Sponsored: 56%
Out of stock: 0.0%
Avg brand age: 57 months
Avg seller age: 165 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

NGK76%
Hipa22%
Wetenex2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +76.3% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 4.4×

Open Trend

Top ngk bpm8y search terms

ngk bpm8y spark plug14K/yr +73.4%24.0% conv.
ngk bpm8y15K/yr +110.5%22.9% conv.
bpm8y spark plug10K/yr +58.3%22.4% conv.
ngk bpmr8y6K/yr +78.4%18.6% conv.
bpmr8y spark plug4K/yr +41.0%23.2% conv.
bpm8y4K/yr +57.1%17.1% conv.
ngk bpm8y spark plug for echo3K/yr +141.2%24.9% conv.
bpmr8y3K/yr +61.7%15.8% conv.
ngk bpmr8y spark plug3K/yr +59.1%24.3% conv.

All search terms

Top ngk bpm8y 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NGK (5574) BPM8Y Spark Plugs Individual Boxed - 2 Pack

NGK$8.924.8★652 rev

BPMR8Y Spark Plug for NGK 2218 BPM8Y Champion RCJ8Y

Hipa$7.854.4★136 rev

NGK BPMR8Y 2218 Spark Plug QTY 2

NGK$8.734.8★477 rev

NGK 5574 Standard Spark Plug - BPM8Y 10 Pack

NGK$26.694.9★167 rev

NGK New OEM Spark Plug Echo Mantis BPM8Y 15901019830 2 Cycle Motor Engine

NGK$7.354.6★227 rev

Newest

by launch date

BPMR8Y Spark Plug for NGK BPMR8Y BPM8Y Champion RCJ8Y Echo SRM225 PAS225 CS310 Shindaiwa 15901019830 A425000000 String Trimmer Chainsaw 2 pack

Wetenex$7.234 rev

4mo ago

BPMR8Y Spark Plug for NGK 2218 BPM8Y Champion RCJ8Y

Hipa$7.85136 rev

1y ago

Hipa BPMR8Y Spark Plug for NGK 2218 BPM8Y Echo 15901019830 A425000000 Champion RCJ8Y TORCH L8RTC

Hipa$10.45232 rev

3y ago

NGK 5574 Standard Spark Plug - BPM8Y 10 Pack

NGK$26.69167 rev

5y ago

NGK (5574) BPM8Y Spark Plugs Individual Boxed - 2 Pack

NGK$8.92652 rev

6y ago

What buyers say about ngk bpm8y

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

What buyers love

Socket/Port/Plug25%

“good plugs”

Value For Money15%

“Fair price for good product”

Size-Overall14%

“Fits perfect”

Quality-Overall12%

“Great product / supplier”

Advertised Vs Actual Product12%

“Item as described”

Functionality-Overall7%

“Does it Work”

Correct Contents5%

“Correct part was shipped”

Efficiency4%

“Works perfectly”

Blower2%

“It definitely worked for my blower”

Ease Of Use2%

“Glad so easy to get”

What buyers complain about

Size-Overall33%

“Small engine spark plug”

Maintenance And Repair33%

“I try to Replace with consistency or worry about Carb issues”

Quality-Overall17%

“These are junk”

Advertised Vs Actual Product17%

“This is deceptive at best”

Top return reasons

Size-Overall50%

Advertised Vs Actual Product26%

Compatibility-Overall5%

Defective Material/Parts4%

Socket/Port/Plug4%

Value For Money3%

Functionality-Overall3%

Quality-Overall1%

Assembly/Installation1%

Certifications1%

Common questions

Is ngk bpm8y profitable to sell on Amazon United States?: The niche generates $166K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +76.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the ngk bpm8y niche?: 3 brands and 40 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in ngk bpm8y?: Top complaints mined from reviews: Size-Overall, Maintenance And Repair, Quality-Overall. The return rate is 0.8%.
When does demand for ngk bpm8y peak?: Demand peaks in Apr–May; the busiest month runs 4.4× the quietest.
What does it cost to enter the ngk bpm8y niche?: Listings span $7.23–$26.69; the average listing price is $10.81 (sweet spot $15–$100). The average incumbent carries 520 reviews — the moat a new listing must climb.