---
title: "Honda Gx390 Pull Start Assembly — $1.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/honda-gx390-pull-start-assembly"
last_updated: "2026-08-11T01:06:44.361Z"
locale: en
meta:
description: "Niche score 52/100 · $1.4M/yr market. Prices mostly outside the sweet spot ($14.85–$1345.42) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $1.4M/yr market. Prices mostly outside the sweet spot ($14.85–$1345.42) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Honda Gx390 Pull Start Assembly — $1.4M/yr Amazon US Niche (2026) - Flapen"
---
# **honda gx390 pull start assembly**
**Worth a look**
Shows a thin review moat (255 avg reviews), but prices mostly outside the sweet spot ($14.85–$1345.42) keeps it on the watch list.
Market size 84Growth 38Conversion 82Competition 18Returns 79Price range 6Avg price 47Brand share 34Review moat 87Quality gap 45
**Review moat**
**Great****254.69**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Great****$1.4M**
$1.4M/yr · 80K searches
**Conversion**
**Great****8.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Okay****$195.03**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+10.2%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$14.85–$1345.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, honda gx390 pull start assembly is a $1.4M/yr Amazon United States market (80K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 52/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **honda gx390 pull start assembly market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$1.2M–$1.6M**
- units × avg price
- **Conversion rate**
- **8.8%**
- **Avg BSR**
- **#431**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **69%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **202 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▼falling
**Sellers**
**22**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**8%**
- Honda25% - 1PZ22% - YAMAKATO16% - KINDZA14% - Dalom8% - Ruma8% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.2% search growth over the last 90 days.
2K1KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 3.9×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/honda-gx390-pull-start-assembly/trend)
## **Top honda gx390 pull start assembly search terms**
- **honda gx390**18K/yr+10.8%1.6% conv. - **honda gx390 pull start assembly**12K/yr+12.3%14.1% conv. - **gx390**9K/yr+8.6%1.3% conv. - **honda gx390 parts**9K/yr-11.0%1.1% conv. - **gx390 pull start assembly**6K/yr+25.2%16.0% conv. - **honda gx390 engine**6K/yr-1.6%0.9% conv. - **honda gx 390 pull start assembly**6K/yr+13.6%15.9% conv. - **honda gx390 pull cord**4K/yr+46.2%5.3% conv. - **honda gx 390**6K/yr+13.8%2.4% conv. - **honda gx390 pull start**2K/yr+30.6%6.4% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/honda-gx390-pull-start-assembly/search-terms)
## **Top honda gx390 pull start assembly 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%$137K20%$274K30%$411K40%$548K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Honda GX390 Engine Standard 1 Crank Electric Start GX390UT2XQAE**Honda**$922.08**4.5★67 rev](https://www.amazon.com/dp/B00UC7RG26) [2**1PZ 2QX-SG6 Recoil Starter Pull Start Replacement for Honda GX340 GX390 GX610 GX620 11hp 13hp 28400-ZEE3-W01ZA Generator Replaces**1PZ**$16.61**4.3★266 rev](https://www.amazon.com/dp/B0BY6JH8FV) [3**YAMAKATO GX340 GX390 Pull Start Recoil Starter Assembly for Honda GX 340 GX 390 389 420 439 cc 11 13 hp Generator Replaces 28400-ZE3-W01ZA Pull Cord Rope Aftermarket**YAMAKATO**$18.84**4.6★579 rev](https://www.amazon.com/dp/B0B88HSF3M) [4**Dalom GX390 Pull Start Recoil Starter Assembly for Honda GX 390 GX340 11hp 13hp Generator Engine Parts Replaces 28400-ZE3-W01ZA**Dalom**$14.92**4.3★845 rev](https://www.amazon.com/dp/B07GB1V5TP) [5**KINDZA Genuine Recoil Starter Assy 28400-Z5T-305ZA with Genuine Emblem 87521-Z5T-000 for Honda GX390 GX360 GX340 Engines**KINDZA**$59.66**4.7★8 rev](https://www.amazon.com/dp/B0FF8CMNM9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**KINDZA Recoil Starter for Honda GX390 GX340 389 420 439 cc 11 13 hp Generator Replaces 28400-ZE3-W01ZA 28400-Z5T-305ZA with OEM Emblem GX390 Recoil Starter Bolts and Rope**KINDZA**$25.28**16 rev8mo ago](https://www.amazon.com/dp/B0G1CQCP56) [**KINDZA Recoil Starter for Honda GX390 GX340 389 420 439 cc 11 13 hp Generator Replaces 28400-ZE3-W01ZB 28400-Z5T-305ZB Black with OEM Emblem GX390 Recoil Starter Bolts and Rope**KINDZA**$25.03**0 rev8mo ago](https://www.amazon.com/dp/B0G1DYK16M) [**KINDZA Genuine Recoil Starter Assy 28400-Z5T-305ZA with Genuine Emblem 87521-Z5T-000 for Honda GX390 GX360 GX340 Engines**KINDZA**$59.66**8 rev1y ago](https://www.amazon.com/dp/B0FF8CMNM9) [**Automost GX390 Pull Start Assembly Recoil Starter for Honda GX340 GX390 11hp 13hp 420cc Engine Parts Generator Pressure Washer Lawn Mower Pull Cord Replacement**Automost**$17.97**56 rev1y ago](https://www.amazon.com/dp/B0DM27VNF6) [**TURBOTUNITY GX390 Recoil Starter Pull Start for Honda GX340 GX610 GX620 11hp 13hp 28400-ZE3-W01 28400-ZE3-W01ZA and Clones 339c 389cc 420cc 439cc 459cc Red for Pressure Washers Generators etc.**TURBOTUNITY**$15.93**75 rev2y ago](https://www.amazon.com/dp/B0CQNV74VN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**KINDZA Recoil Starter for Honda GX390 GX340 389 420 439 cc 11 13 hp Generator Replaces 28400-ZE3-W01ZB 28400-Z5T-305ZB Black with OEM Emblem GX390 Recoil Starter Bolts and Rope**KINDZA**$25.03**0.0★**▲ 207%**](https://www.amazon.com/dp/B0G1DYK16M) [**Simpson 4200 PSI Gas Pressure Washer 4.0 GPM Commercial Power Washer Cold Water Honda GX390 Engine 50 Hose Aluminum Series 49-State Compliant (ALH4240)**SIMPSON**$1345.42**4.2★**▲ 82%**](https://www.amazon.com/dp/B00U77BYF6) [**KINDZA Recoil Starter for Honda GX390 GX340 389 420 439 cc 11 13 hp Generator Replaces 28400-ZE3-W01ZA 28400-Z5T-305ZA with OEM Emblem GX390 Recoil Starter Bolts and Rope**KINDZA**$25.28**4.6★**▲ 44%**](https://www.amazon.com/dp/B0G1CQCP56) [**Ruma Pull Start Recoil Starter Assembly Compatible with Honda GX340 GX390 GX420 GX610 GX620 Harbor Freight Predator 420cc Engine**Ruma**$14.85**4.4★**▲ 31%**](https://www.amazon.com/dp/B094QJGNSX) [**TURBOTUNITY GX390 Recoil Starter Pull Start for Honda GX340 GX610 GX620 11hp 13hp 28400-ZE3-W01 28400-ZE3-W01ZA and Clones 339c 389cc 420cc 439cc 459cc Red for Pressure Washers Generators etc.**TURBOTUNITY**$15.93**4.4★**▲ 28%**](https://www.amazon.com/dp/B0CQNV74VN)
**~~View all trending →~~**
## **What buyers say about honda gx390 pull start assembly**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Machine quality is top notch”*
**Pressure**19%
*“great pressure”*
**Size-Overall**12%
*“Correct fit”*
**Value For Money**9%
*“Worth every cent”*
**Strength**8%
*“looks very strong”*
**Assembly/Installation**5%
*“Installation took just a minute”*
**Motor Power**4%
*“Works for my motor”*
**Efficiency**2%
*“Works perfectly”*
**Durability**2%
*“Built To Last”*
**Advertised Vs Actual Product**2%
*“Works as it should”*
### **What buyers complain about **
**Quality-Overall**15%
*“Cheaply Made”*
**Durability**14%
*“It breaks super easy”*
**Functionality-Overall**10%
*“Would not start”*
**Size-Overall**8%
*“Does not fit exactly as the old one”*
**Instructions/User Manual/Troubleshooting**7%
*“the instructions for set up could be better”*
**Product Condition**3%
*“The machine almost seemed used”*
**Compatibility-Overall**3%
*“Not always compatible with models listed”*
**Defective Material/Parts**3%
*“Did not fit not very good missing parts”*
**Value For Money**3%
*“paid big money”*
**Assembly/Installation**3%
*“I believe the pump assembly should have been attached to the packaging with the necessary hardware to keep it secured inside the box during transportation”*
### **Top return reasons **
**Size-Overall**56%
**Defective Material/Parts**10%
**Assembly/Installation**9%
**Compatibility-Overall**4%
**Functionality-Overall**4%
**Advertised Vs Actual Product**4%
**Durability**3%
**Motor Issues**2%
**Quality-Overall**2%
**Mounting**2%
## **Common questions**
- **Is honda gx390 pull start assembly profitable to sell on Amazon United States?**
- The niche generates $1.4M/yr across 13 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +10.2%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the honda gx390 pull start assembly niche?**
- 10 brands and 22 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in honda gx390 pull start assembly?**
- Top complaints mined from reviews: Quality-Overall, Durability, Functionality-Overall. The return rate is 1.8%.
- **When does demand for honda gx390 pull start assembly peak?**
- Demand peaks in Apr–May; the busiest month runs 3.9× the quietest.
- **What does it cost to enter the honda gx390 pull start assembly niche?**
- Listings span $14.85–$1345.42; the average listing price is $195.03 (sweet spot $15–$100). The average incumbent carries 255 reviews — the moat a new listing must climb.
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