predator 420 carburetor
Worth a lookShows a sweet-spot price point ($36.64 avg), but a small market ($66K/yr) keeps it on the watch list.
Avg price
Incredible$36.64avg listing price — sweet spot $15–$100
Price range
Great$14.02–$83.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great140.81avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Returns
Good2.0%return rate — above 5% kills the launch gate
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Growth
Bad-7.0%90-day search growth — must beat 0% to launch
Market size
Bad$66K$66K/yr · 31K searches
According to Flapen's Amazon United States niche tracking, predator 420 carburetor is a $66K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 80% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
predator 420 carburetor market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $55K–$73K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #1,055
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 37 months
- Avg seller age
- 286 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
12
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
16%
- TURBOTUNITY41%
- CILOYU20%
- Pro Chaser8%
- YAMAKATO6%
- QASKEHKT4%
- partszen4%
- Open — no brand owns it (6 brands, 16%)
Demand
Weekly Amazon search volume, last 18 weeks — -7.0% search growth over the last 90 days.Top predator 420 carburetor search terms
- predator 420cc carburetor11K/yr
- predator 420 carburetor10K/yr
- 420cc carburetor8K/yr
- 420cc predator engine carburetor2K/yr
Top predator 420 carburetor 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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TURBOTUNITY Carburetor 16100-ZF6-V01 for Honda GX390 GX340 Predator 420 11hp 13hp 339 389cc 420cc Engines Mini bike Lawn Mower 4000psi Pressure Washer Carb Replacement
TURBOTUNITY$21.024.4★217 rev
CILOYU PZ30 30mm Carburetor with Exhaust Header Stage 1 Kit Replacement for Predator 420cc 301cc GX390 GX340 GX270 GX240 389cc 13HP 11HP Engine Mini Bike Go Kart Cart Parts Accessories Intake Manifold
CILOYU$55.374.1★34 rev
GX340 Carburetor for Honda GX390 GX340 Harbor Freight Predator 420cc 301cc Compressor Greyhound 66492 66555 LF182FD LF188FD 11HP 12HP 13 HP Engine
Pro Chaser$21.384.5★571 rev
TURBOTUNITY GX390 GX340 Carburetor for Honda 11hp 13hp 16100-ZF6-V01 Predator 420 439 459 OHV Engines
TURBOTUNITY$19.204.8★51 rev
YAMAKATO 420cc 389cc 459cc 338cc Carburetor for Honda and Clone Predator 420 cc GX340 GX390 Performance Upgrade w/Jet
YAMAKATO$32.894.1★81 rev
Newest
by launch date
Carburetor Replacement for Harbor Freight Predator 420cc Generator 7000W 8750W 6500W 5000W Compatible with Generac GP5000 GP5500 GP6500 GP7500E GP8500 389cc/5000-9200W RATO R420-III 13HP-16HP Engin
ZHRANXZ$17.196 rev
CILOYU PZ30 30mm Carburetor with Exhaust Header Stage 1 Kit Replacement for Predator 420cc 301cc GX390 GX340 GX270 GX240 389cc 13HP 11HP Engine Mini Bike Go Kart Cart Parts Accessories Intake Manifold
CILOYU$55.3734 rev
CILOYU PZ30 Carburetor 30mm Carb Exhaust Header Pipe Stage 1 Kit Replacement for Predator 420cc 301cc GX390 GX340 GX270 GX240 13HP 11HP Engine Mini Bike Go Kart Parts with Intake Manifold
CILOYU$55.4834 rev
CILOYU 30mm PZ30 Carburetor Kit with Intake Manifold Replacement for Predator 420 301cc GX390 GX340 GX270 GX240 13HP 11HP Engine Mini Bike Go Kart Cart Parts
CILOYU$51.1024 rev
CILOYU PZ30 Carburetor 30mm Carb Kit with Intake Manifold Compatible with GX390 GX340 GX270 GX240 Predator 420 301cc Engine Mini Bike Go Kart Cart Parts
CILOYU$51.2024 rev
Trending
90-day click momentumCarburetor Replacement for Harbor Freight Predator 420cc Generator 7000W 8750W 6500W 5000W Compatible with Generac GP5000 GP5500 GP6500 GP7500E GP8500 389cc/5000-9200W RATO R420-III 13HP-16HP Engin
ZHRANXZ$17.194.0★
CILOYU PZ30 30mm Carburetor with Exhaust Header Stage 1 Kit Replacement for Predator 420cc 301cc GX390 GX340 GX270 GX240 389cc 13HP 11HP Engine Mini Bike Go Kart Cart Parts Accessories Intake Manifold
CILOYU$55.374.1★
CILOYU PZ30 Carburetor 30mm Carb Kit with Intake Manifold Compatible with GX390 GX340 GX270 GX240 Predator 420 301cc Engine Mini Bike Go Kart Cart Parts
CILOYU$51.203.6★
fullas Huayi P27 Carburetor for Honda GX390 Predator 420cc Engines OEM 16100-ZF6-V01
fullas$25.394.6★
CILOYU PZ30 Carburetor 30mm Carb Exhaust Header Pipe Stage 1 Kit Replacement for Predator 420cc 301cc GX390 GX340 GX270 GX240 13HP 11HP Engine Mini Bike Go Kart Parts with Intake Manifold
CILOYU$55.484.1★
What buyers say about predator 420 carburetor
What buyers praise and complain about, mined from review topics.What buyers love
“The carburetor fits like it should”
“engine runs good now”
“The gasket quality appeared to be of the same quality as what I removed”
“Great deal”
“Install”
“just as described”
“Worked great put on my pressure washer fired right up”
“Great durable product fixed my issue no problems”
“Faster than cleaning old carburetor”
“worked perfectly and took care of my issue of fuel starvartion”
What buyers complain about
“Poor quality control”
“not direct fit”
“it won't start”
“stock problems with my 4300 psi pressure washer This one arrived next day”
“leaks fuel out every orifice”
“my too expensive”
“Not adjustable for different applications”
“had problems getting it to set right”
“Not as pictured”
“it runs rough”
Top return reasons
Common questions
- Is predator 420 carburetor profitable to sell on Amazon United States?
- The niche generates $66K/yr across 16 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -7.0%. Flapen's verdict: Worth a look (52/100).
- How competitive is the predator 420 carburetor niche?
- 12 brands and 12 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in predator 420 carburetor?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Functionality-Overall. The return rate is 2.0%.
- What does it cost to enter the predator 420 carburetor niche?
- Listings span $14.02–$83.24; the average listing price is $36.64 (sweet spot $15–$100). The average incumbent carries 141 reviews — the moat a new listing must climb.