420cc Engine
FailBuyers convert on only 0.7% of searches, so 420cc Engine is a Fail.
- Flapen Score
- 46 / 100Ranks 7,082 of 8,839 Patio, Lawn & Garden niches · −10 vs the category median of 5646
- Market size
- $122K/yr97K searches / yr
- 90-day growth
- +4.2%search demand this quarter
- Competition
- 49%top-5 click share · 21 brands · 24 sellers
Flapen Score
420cc Engine against its category
The dotted line is the Patio, Lawn & Garden average. Past it, 420cc Engine is stronger. Inside it, weaker.
Market
The 420cc Engine market on Amazon at a glance
Shoppers on Amazon United States searched for 420cc Engine 97K times last year and spent an estimated $122K. The top 5 brands take 62% of clicks. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 0.7% of those searches ended in a purchase.
Shoppers searched for this 97K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved +4.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $122K a year.
- Searches, last 12 months
- 97K
- Growth, 90 days vs prior 90
- +4.2%
- Conversion, latest week
- 0.7%
- Market size, estimated
- $122Ka year
- Top search term
- 420cc engine37K searches a year
02 · Price
A sale here is worth $193.55.
Listings sell for $193.55 on average, from $24.41 to $374.76. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $193.55 that is $0 to $19K a year per listing.
- Average price
- $193.55above the $15 to $100 sweet spot
- Price range
- $24.41–$374.76
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$19K
- Returns
- 1.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
93% of listings pay for placement with sponsored ads. 11% ship with Prime. On an average day, 10.1% of listings are out of stock. The average listing ranks #2,011 within Replacement Engines. It carries 27 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 93%
- Prime listings
- 11%
- Out of stock, average day
- 10.1%
- Average rank
- #2,011in Replacement Engines
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 27per listing
- Listings tracked
- 27
04 · Newcomers
1 of last year's 12 launches cleared the first-year sales bar.
12 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 12
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top 420cc Engine products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
BILT HARD 420cc 15HP Gas Engine with Electric Start Horizontal Shaft 4 Stroke OHV Gas Motor Gas Powered Multi-Use Engine
- Price
- $347.40
- Rating
- 4.3/5
- Reviews
- 122
- Age
- 5y ago

Genkins 15 HP 420cc Recoil Start Engine Gas Powered Multi-Use Engine GK420
- Price
- $202.69
- Rating
- 4.1/5
- Reviews
- 28
- Age
- 4y ago

NKLOKSD 420CC 15HP Gas Engine 4-Stroke OHV Horizontal Shaft Gas Powered Engine Shaft 1 (25mm) Diameter Air Cooling Go Kart Engine Recoil Start Go Cart Motor for Log Splitters Lawn Mowers (Black)
- Price
- $136.89
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

Genkins 15 HP 420cc Electric Start Engine Gas Powered Multi-Use Engine GK420E
- Price
- $303.39
- Rating
- 4.5/5
- Reviews
- 41
- Age
- 3y ago

GENMAX 15HP 420cc Electric Start Gas Engine Horizontal Shaft 1 4-Stroke OHV Replacement Engine for Log Splitter Generator Pressure WasherGM420E
- Price
- $336.69
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 5mo ago
Trending
estimated 90-day click momentum
Omosiroi 420CC Engine 15 HP Go Kart Engine 4 Stroke Gas Engine with 1.72gal Fuel Tank 9700W Pull Start Motor for Go Kart Pressure Washer Log Splitter for Go Kart Compressors Trencher Lawn Mover
- Price
- $180.82
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

420CC Engine 15HP 4 Stroke OHV Horizontal Shaft Single Cylinder Gas Engine 9.7KW 3600RPM Recoil Start Go Kart Motor with Pull Handle & Silencer for Compressor Lawnmower Garden Tool Motor
- Price
- $112.72
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

NKLOKSD 420CC 15HP Gas Engine 4-Stroke OHV Horizontal Shaft Gas Powered Engine Shaft 1 (25mm) Diameter Air Cooling Go Kart Engine Recoil Start Go Cart Motor for Log Splitters Lawn Mowers (Black)
- Price
- $136.89
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

GENMAX 15HP 420cc Electric Start Gas Engine Horizontal Shaft 1 4-Stroke OHV Replacement Engine for Log Splitter Generator Pressure WasherGM420E
- Price
- $336.69
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 5mo ago

NKLOKSD 420CC 15HP Gas Engine 4-Stroke OHV Horizontal Shaft Gas Powered Engine Shaft 1 (25mm) Diameter Air Cooling Go Kart Engine Recoil Start Go Cart Motor for Log Splitters Lawn Mowers (Red)
- Price
- $150.19
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago
Newest
by launch date
420CC Engine 15HP 4 Stroke OHV Horizontal Shaft Single Cylinder Gas Engine 9.7KW 3600RPM Recoil Start Go Kart Motor with Pull Handle & Silencer for Compressor Lawnmower Garden Tool Motor
- Price
- $112.72
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

Serendicy 4-Stroke Gas Engine 420CC 15HP Go Kart Engine Air Cooled Start Gas Powered Engine Fits for Lawn Mower Water Pumps Vibrators Generators 3600RPM
- Price
- $117.10
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

Omosiroi 420CC Engine 15 HP Go Kart Engine 4 Stroke Gas Engine with 1.72gal Fuel Tank 9700W Pull Start Motor for Go Kart Pressure Washer Log Splitter for Go Kart Compressors Trencher Lawn Mover
- Price
- $180.82
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

BTGSHYNM 420cc 15 HP Gas Engine 4 Stroke OHV Industrial Grade Replacement Gas Motor 9kw/3600r/min Single Cylinder Air Cooled Gasoline Engine Gasoline OHV Motor with Manual Recoil Starter
- Price
- $148.55
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

NKLOKSD 420CC 15HP Gas Engine 4-Stroke OHV Horizontal Shaft Gas Powered Engine Shaft 1 (25mm) Diameter Air Cooling Go Kart Engine Recoil Start Go Cart Motor for Log Splitters Lawn Mowers (Black)
- Price
- $136.89
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 49% of clicks. Leaders hold, but buyers still shop past them.
Brands
21 falling
Sellers
24
Est. top-5 brand share
62%
Top 20: 99%
Est. top-5 click share
49%
Top 20: 93%
Open market
32%
- BILT HARD18%
- Genkins17%
- NKLOKSD11%
- JAYGOVAN8%
- Mahugde7%
- GENMAX6%
Search terms
Top 420cc Engine search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 420cc engine37K/yr
- 420 cc engine8K/yr
- 15 hp engine8K/yr
- 420cc predator engine9K/yr
- 15hp engine8K/yr
- 420cc6K/yr
- 13 hp engine5K/yr
- 420cc engine electric start4K/yr
- 13hp engine4K/yr
- predator 420 engine3K/yr
Reviews and returns
What reviews say buyers love and hate about 420cc Engine
We read the reviews and the return reasons for every product selling here.
“The quality for sure is not great in terms of the shipping”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 420cc Engine questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









