---
title: "Predator 420 Carburetor — $66K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/predator-420-carburetor"
last_updated: "2026-08-10T01:31:36.547Z"
locale: en
meta:
description: "Niche score 52/100 · $66K/yr market · 31K searches/yr · $36.64 avg price. A small market ($66K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $66K/yr market · 31K searches/yr · $36.64 avg price. A small market ($66K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Predator 420 Carburetor — $66K/yr Amazon US Niche (2026) - Flapen"
---
# **predator 420 carburetor**
**Worth a look**
Shows a sweet-spot price point ($36.64 avg), but a small market ($66K/yr) keeps it on the watch list.
Market size 17Growth 22Conversion 65Competition 36Returns 74Price range 94Avg price 95Brand share 42Review moat 93Quality gap 84
**Avg price**
**Incredible****$36.64**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$14.02–$83.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****140.81**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
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
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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.
700500Mar '26Mar '26Apr '26May '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/automotive/predator-420-carburetor/trend)
## **Top predator 420 carburetor search terms**
- **predator 420cc carburetor**11K/yr-20.9%6.1% conv. - **predator 420 carburetor**10K/yr+9.2%6.3% conv. - **420cc carburetor**8K/yr-3.2%2.7% conv. - **420cc predator engine carburetor**2K/yr-2.3%3.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/predator-420-carburetor/search-terms)
## **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.
0%10%$7K20%$13K30%$20K40%$26K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$21.02**4.4★217 rev](https://www.amazon.com/dp/B0CTBNMNXD) [2**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**$55.37**4.1★34 rev](https://www.amazon.com/dp/B0FHCN7KH8) [3**GX340 Carburetor for Honda GX390 GX340 Harbor Freight Predator 420cc 301cc Compressor Greyhound 66492 66555 LF182FD LF188FD 11HP 12HP 13 HP Engine**Pro Chaser**$21.38**4.5★571 rev](https://www.amazon.com/dp/B07C54ST6B) [4**TURBOTUNITY GX390 GX340 Carburetor for Honda 11hp 13hp 16100-ZF6-V01 Predator 420 439 459 OHV Engines**TURBOTUNITY**$19.20**4.8★51 rev](https://www.amazon.com/dp/B0CWNM5FSR) [5**YAMAKATO 420cc 389cc 459cc 338cc Carburetor for Honda and Clone Predator 420 cc GX340 GX390 Performance Upgrade w/Jet**YAMAKATO**$32.89**4.1★81 rev](https://www.amazon.com/dp/B0BZ3VHM6M)
**~~View all top sellers →~~**
### **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**$17.19**6 rev8mo ago](https://www.amazon.com/dp/B0FY3HT1WV) [**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**$55.37**34 rev12mo ago](https://www.amazon.com/dp/B0FHCN7KH8) [**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**$55.48**34 rev12mo ago](https://www.amazon.com/dp/B0FHCQXBZC) [**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**$51.10**24 rev12mo ago](https://www.amazon.com/dp/B0FHCSS6YL) [**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**$51.20**24 rev12mo ago](https://www.amazon.com/dp/B0FHD7NJ3V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$17.19**4.0★**▲ 112%**](https://www.amazon.com/dp/B0FY3HT1WV) [**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**$55.37**4.1★**▲ 59%**](https://www.amazon.com/dp/B0FHCN7KH8) [**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**$51.20**3.6★**▲ 48%**](https://www.amazon.com/dp/B0FHD7NJ3V) [**fullas Huayi P27 Carburetor for Honda GX390 Predator 420cc Engines OEM 16100-ZF6-V01**fullas**$25.39**4.6★**▲ 47%**](https://www.amazon.com/dp/B093WK2BPX) [**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**$55.48**4.1★**▲ 26%**](https://www.amazon.com/dp/B0FHCQXBZC)
**~~View all trending →~~**
## **What buyers say about predator 420 carburetor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**39%
*“The carburetor fits like it should”*
**Efficiency**12%
*“engine runs good now”*
**Quality-Overall**11%
*“The gasket quality appeared to be of the same quality as what I removed”*
**Value For Money**11%
*“Great deal”*
**Assembly/Installation**9%
*“Install”*
**Advertised Vs Actual Product**5%
*“just as described”*
**Pressure**2%
*“Worked great put on my pressure washer fired right up”*
**Durability**2%
*“Great durable product fixed my issue no problems”*
**Ease Of Cleaning**1%
*“Faster than cleaning old carburetor”*
**Fuel Efficiency**1%
*“worked perfectly and took care of my issue of fuel starvartion”*
### **What buyers complain about **
**Quality-Overall**26%
*“Poor quality control”*
**Size-Overall**12%
*“not direct fit”*
**Functionality-Overall**11%
*“it won't start”*
**Pressure**10%
*“stock problems with my 4300 psi pressure washer This one arrived next day”*
**Leak-Proof**7%
*“leaks fuel out every orifice”*
**Value For Money**5%
*“my too expensive”*
**Adjustability/Rotatability/Reclining**4%
*“Not adjustable for different applications”*
**Assembly/Installation**4%
*“had problems getting it to set right”*
**Advertised Vs Actual Product**4%
*“Not as pictured”*
**Hard Feel**2%
*“it runs rough”*
### **Top return reasons **
**Size-Overall**40%
**Defective Material/Parts**12%
**Compatibility-Overall**12%
**Functionality-Overall**9%
**Advertised Vs Actual Product**5%
**Leak-Proof**4%
**Mechanism Issues**4%
**Quality-Overall**3%
**Assembly/Installation**2%
**Motor Issues**2%
## **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.
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