Honda Gx390 Starter
FailShoppers spend an estimated $53K a year here, so Honda Gx390 Starter is a Fail.
- Flapen Score
- 49 / 100Ranks 3,500 of 7,287 Automotive niches · on the category median49
- Market size
- $53K/yr11K searches / yr
- 90-day growth
- -10.7%search demand this quarter
- Competition
- 74%top-5 click share · 10 brands · 12 sellers
Flapen Score
Honda Gx390 Starter against its category
The dotted line is the Automotive average. Past it, Honda Gx390 Starter is stronger. Inside it, weaker.
Market
The Honda Gx390 Starter market on Amazon at a glance
Shoppers on Amazon United States searched for Honda Gx390 Starter 11K times last year and spent an estimated $53K. The top 5 brands take 83% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 10.8% of those searches ended in a purchase.
Shoppers searched for this 11K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.8% of those searches ended in a purchase. Searches in the last 90 days moved -10.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $53K a year.
- Searches, last 12 months
- 11K
- Growth, 90 days vs prior 90
- -10.7%
- Conversion, latest week
- 10.8%
- Market size, estimated
- $53Ka year
- Top search term
- honda gx390 starter8K searches a year
02 · Price
A sale here is worth $45.22.
Listings sell for $45.22 on average, from $18.86 to $86.05. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 100 to 250 of them. At $45.22 that is $5K to $11K a year per listing.
- Average price
- $45.22inside the $15 to $100 sweet spot
- Price range
- $18.86–$86.05
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $5K–$11K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #575 within Parts. It carries 130 reviews at 4.24 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #575in Parts
- Average rating
- 4.24 starsAmazon United States average 4.42 stars
- Average reviews
- 130per listing
- Listings tracked
- 13
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 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 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 51 months
Products
Top Honda Gx390 Starter 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
YAMAKATO GX340 GX390 Starter Motor w/Solenoid for Honda Electric Start Toro Dingo 11-13HP 128000-2750 31210ZB80130 31210ZE3013 31210ZE30130 31210-ZE3-023 DB5B6 DB5B8 SND0288 41052044
- Price
- $39.85
- Rating
- 4.4/5
- Reviews
- 93
- Age
- 3y ago

Starter Motor Compatible with Honda GX340 GX390 GX420 11HP 13HP 16HP Afron Allmand Ditch Witch with Solenoid Replaces 1280002750 31210ZB80130 31210ZE30130 31210-ZE3-023 DB5B6 DB5B8 SND0288
- Price
- $33.73
- Rating
- 4.4/5
- Reviews
- 348
- Age
- 6y ago

OEG Parts New Starter Compatible with Honda Toro GX340 GX390 Dingo 11-13HP 1280002750 31210ZB80130 31210ZE3013 31210ZE30130 31210-ZE3-023 DB5B6 DB5B8 SND0288 41052044
- Price
- $36.26
- Rating
- 4.5/5
- Reviews
- 423
- Age
- 11y ago

New Honda GX340 GX390 GX420 Starter 11-13HP Toro Dingo TX-413 2004 2005 2006 2007 2008 410-52044 128000-2750 128000-3400 31210-ZE3-013 31210-ZE3-023 9712809-275 113231 DB5B6 DB5B8 SND0288
- Price
- $45.33
- Rating
- 4.3/5
- Reviews
- 46
- Age
- 2y ago

Ezamintaly Starter Motor for Honda GX340 GX390 GX420 for Toro Dingo TX-413 11-13HP for Ditch Witch Afron Allmand 31210-ZE3-013 31210-ZE3-023 31210ZE30130 DB5B6 DB5B8 1280002750
- Price
- $30.23
- Rating
- 4.1/5
- Reviews
- 8
- Age
- 1y ago
Trending
estimated 90-day click momentum
Starter for Honda GX390 GX340 GX420 11HP 13HP 16HP/Toro Dingo TX-413 2004-2008/Ditch Witch FM13/1030/1230/100SX/Allmand EZ1100 1994-2005/Afron PA-300/350 1990-2006 31210ZB80130
- Price
- $42.47
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 4mo ago

San-IgniteX Electric Starter Motor for Honda GX340/GX390 & Harbor Freight Predator 420cc OEM- 60340/60349/69736 - Compatible with Toro Dingo TX-413 & Cummins Onan HomeSite Power 6500 Generator
- Price
- $35.01
- Rating
- 3.8/5
- Reviews
- 21
- Age
- 1y ago

YAMAKATO GX390 High Power Starter Motor for Honda GX340 Electric Start Toro 11-16HP 128000-2750 31210-ZB8-0130 31210-ZE3-013 31210-ZE3-0130 31210-ZE3-023 DB5B6 DB5B8 SND0288 w/Solenoid
- Price
- $49.40
- Rating
- 4.6/5
- Reviews
- 4
- Age
- 11mo ago

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
- Price
- $18.86
- Rating
- 4.6/5
- Reviews
- 576
- Age
- 3y ago

YAMAKATO GX340 GX390 Starter Motor w/Solenoid for Honda Electric Start Toro Dingo 11-13HP 128000-2750 31210ZB80130 31210ZE3013 31210ZE30130 31210-ZE3-023 DB5B6 DB5B8 SND0288 41052044
- Price
- $39.85
- Rating
- 4.4/5
- Reviews
- 93
- Age
- 3y ago
Newest
by launch date
Starter for Honda GX390 GX340 GX420 11HP 13HP 16HP/Toro Dingo TX-413 2004-2008/Ditch Witch FM13/1030/1230/100SX/Allmand EZ1100 1994-2005/Afron PA-300/350 1990-2006 31210ZB80130
- Price
- $42.47
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 4mo ago

YAMAKATO GX390 High Power Starter Motor for Honda GX340 Electric Start Toro 11-16HP 128000-2750 31210-ZB8-0130 31210-ZE3-013 31210-ZE3-0130 31210-ZE3-023 DB5B6 DB5B8 SND0288 w/Solenoid
- Price
- $49.40
- Rating
- 4.6/5
- Reviews
- 4
- Age
- 11mo ago

San-IgniteX Electric Starter Motor for Honda GX340/GX390 & Harbor Freight Predator 420cc OEM- 60340/60349/69736 - Compatible with Toro Dingo TX-413 & Cummins Onan HomeSite Power 6500 Generator
- Price
- $35.01
- Rating
- 3.8/5
- Reviews
- 21
- Age
- 1y ago

SOFO Electric Starter Kit for Honda GX340 GX390 11HP 13HP Engines and Generators w/Flywheel Starter Motor Key Switch Box Coil Ignition
- Price
- $86.05
- Rating
- 3.9/5
- Reviews
- 23
- Age
- 1y ago

Complete Starter Kit for Honda GX340 / GX390 Engines 12V Starter Solenoid Ring Gear Ignition Key Switch & Wiring Fits GX340 (11HP) GX390 (13HP) Replaces 31210-ZE3-033/31210-ZE3-013
- Price
- $84.83
- Rating
- 3.5/5
- Reviews
- 27
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 74% of clicks. A locked shelf that new listings rarely crack.
Brands
10 rising
Sellers
12
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
74%
Top 20: 100%
Open market
12%
- YAMAKATO47%
- RANSOTO14%
- Parts Player10%
- DynaVim Parts8%
- Ezamintaly5%
- San-IgniteX4%
- Open — no brand owns it (4 brands, 12%)
Demand
Honda Gx390 Starter search demand
Weekly searches over the year. Pick a range.
Reviews and returns
What reviews say buyers love and hate about Honda Gx390 Starter
We read the reviews and the return reasons for every product selling here.
“Trash”
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.
19 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 Honda Gx390 Starter 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









