---
title: "Briggs and Stratton 550ex Carburetor — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/briggs-and-stratton-550ex-carburetor"
last_updated: "2026-08-05T17:50:07.584Z"
locale: en
meta:
description: "Niche score 64/100 · $109K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 64/100 · $109K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Briggs and Stratton 550ex Carburetor — $109K/yr Amazon US Niche (2026) - Flapen"
---
# **briggs and stratton 550ex carburetor**
**Worth a look**
Shows demand growing +225.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 26Growth 98Conversion 95Competition 42Returns 89Price range 84Avg price 84Brand share 53Review moat 81Quality gap 30
**Growth**
**Incredible****+225.0%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****12.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.73**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.49–$43.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****386.75**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$109K**
$109K/yr · 48K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, briggs and stratton 550ex carburetor is a $109K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 64/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **briggs and stratton 550ex carburetor market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$150K–$187K**
- units × avg price
- **Conversion rate**
- **12.2%**
- **Avg BSR**
- **#451**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **26 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**39**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 96%
**Open market**
**20%**
- Rakiyada23% - YzusGomumu18% - Topkidame15% - DYYYYD10% - BlueStars8% - JAVENYIMAN7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +225.0% search growth over the last 90 days.
1K750Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 15.0×
[**Open Trend **](https://flapen.com/research/us/automotive/briggs-and-stratton-550ex-carburetor/trend)
## **Top briggs and stratton 550ex carburetor search terms**
- **briggs and stratton 550ex carburetor**7K/yr+299.7%10.7% conv. - **799584 carburetor**6K/yr+276.7%13.0% conv. - **594058**5K/yr+219.5%14.5% conv. - **799584**5K/yr+225.5%14.1% conv. - **troy bilt tb110 carburetor**5K/yr+247.5%12.7% conv. - **tb110 carburetor**5K/yr+129.2%14.2% conv. - **tb200 carburetor**3K/yr+235.7%11.9% conv. - **799584 carburetor for briggs & stratton**3K/yr+228.8%15.8% conv. - **troy bilt tb200 carburetor**3K/yr+189.4%12.5% conv. - **594058 carburetor**3K/yr+184.1%12.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/briggs-and-stratton-550ex-carburetor/search-terms)
## **Top briggs and stratton 550ex 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%4%$4K8%$9K12%$13K16%$17K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**799584 Carburetor for TB110 TB200 09P702 103M02 550EX 625EX 675EX 725EXI Series 6.75-7.25HP Engine 163cc Lawn Mower Carburetor Replacement for 594058 594057 592361 594529**Rakiyada**$16.11**4.6★1,001 rev](https://www.amazon.com/dp/B0D2DV6CVJ) [2**YzusGomumu 799584 594058 Carburetor Kit Spark Plug & Air Filter Assembly Compatible with B&S Carb 594057 592361 594529 Troy Bilt TB110 TB200 103M02 09P702 9P702 550EX 625EX 675EX 725 lc121p 163cc**YzusGomumu**$18.74**4.6★855 rev](https://www.amazon.com/dp/B0C7C1C5BT) [3**799584 594058 Carburetor Kit for 594057 592361 594529 for Troy Bilt TB110 TB200 103M02 09P702 9P702 550EX 625EX 675EX 725EXI 140cc LC121P Engines for Toro 21465 Recycler Lawn Mower 22**Topkidame**$23.38**4.8★44 rev](https://www.amazon.com/dp/B0FD2RT6JY) [4**799584 Carburetor Fits for Carb TB110 TB200 P702 09P702 103M02 550EX 625EX 675EX 725EXI 163cc lawn mower replace 594058 594057 592361 594529 799584**DYYYYD**$13.76**4.5★938 rev](https://www.amazon.com/dp/B0BJYXLYDB) [5**BlueStars 799584 592361 Carburetor - Compatible with 550EX 625EX 675EX 725EXI 140cc Engines Husqvarna LC121P Troy-Bilt TB110 TB200 B110 Lawn Mower - Replaces 594058 594057 594529**BlueStars**$12.98**4.7★318 rev](https://www.amazon.com/dp/B0C9M2CDZP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TB110 TB200 Carburetor 799584 Kit for B&S Carb Troy Bilt Mower 09P702 9P702 550EX 103M02 675EX 625EX 163cc Carburetor Replacement for 594058 594057 592361 594529**JingSney**$20.36**5 rev7mo ago](https://www.amazon.com/dp/B0G6F897HV) [**799584 Carburetor for 550EX 625EX 675EX 725Exi 093J02 09P702 103M02 104M02 TB110 TB200 Engine 550EX 140CC 150CC 163CC Carburetor for Craftsman M110 M220 Lawn Mower**Topkidame**$22.88**31 rev1y ago](https://www.amazon.com/dp/B0FFGK1YKL) [**799584 594058 Carburetor Kit for 594057 592361 594529 for Troy Bilt TB110 TB200 103M02 09P702 9P702 550EX 625EX 675EX 725EXI 140cc LC121P Engines for Toro 21465 Recycler Lawn Mower 22**Topkidame**$23.38**44 rev1y ago](https://www.amazon.com/dp/B0FD2RT6JY) [**799584 Carburetor Compatible with Troy-Bilt TB110 TB200 B110 Lawn Mower Carburetor 09P702 594508 594507 592361 594529 550EX 625EX 675EX 725EXI 140cc Engines Husqvarna LC121P**JAVENYIMAN**$10.49**37 rev1y ago](https://www.amazon.com/dp/B0F66CX28W) [**799584 Carburetor Replace 594058 594057 592361 594529 84001033 Compatible with 550EX 625EX 675EX 725EXi Engine 09P702 103M02 104M02 TB110 TB200 LC121P Lawnmower**TIMEPAL**$17.23**21 rev1y ago](https://www.amazon.com/dp/B0F4VPWX8V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TB110 TB200 Carburetor 799584 Kit for B&S Carb Troy Bilt Mower 09P702 9P702 550EX 103M02 675EX 625EX 163cc Carburetor Replacement for 594058 594057 592361 594529**JingSney**$20.36**5.0★**▲ 86%**](https://www.amazon.com/dp/B0G6F897HV) [**799584 594058 Carburetor Kit for 594057 592361 594529 for Troy Bilt TB110 TB200 103M02 09P702 9P702 550EX 625EX 675EX 725EXI 140cc LC121P Engines for Toro 21465 Recycler Lawn Mower 22**Topkidame**$23.38**4.8★**▲ 60%**](https://www.amazon.com/dp/B0FD2RT6JY) [**Canamax 799584 592361 Carburetor - Compatible with BS 09P600 series 550EX 625EX 675EX 725EXI 140cc Engines Husqvarna LC121P Troy-Bilt TB110 TB200 B110 - Replaces 594058 594057 594529**Canamax**$12.07**4.7★**▲ 52%**](https://www.amazon.com/dp/B0DW43J415) [**799584 Carburetor for 550EX 625EX 675EX 725Exi 093J02 09P702 103M02 104M02 TB110 TB200 Engine 550EX 140CC 150CC 163CC Carburetor for Craftsman M110 M220 Lawn Mower**Topkidame**$22.88**4.7★**▲ 45%**](https://www.amazon.com/dp/B0FFGK1YKL) [**BlueStars 799584 592361 Carburetor - Compatible with 550EX 625EX 675EX 725EXI 140cc Engines Husqvarna LC121P Troy-Bilt TB110 TB200 B110 Lawn Mower - Replaces 594058 594057 594529**BlueStars**$12.98**4.7★**▲ 44%**](https://www.amazon.com/dp/B0C9M2CDZP)
**~~View all trending →~~**
## **What buyers say about briggs and stratton 550ex carburetor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**24%
*“Fit like it should”*
**Value For Money**13%
*“Great Value”*
**Quality-Overall**11%
*“Quality replacement”*
**Assembly/Installation**10%
*“Easy to assemble”*
**Advertised Vs Actual Product**9%
*“AS ADVERTISED”*
**Efficiency**8%
*“It works great”*
**Ease Of Use**6%
*“Easy to swap”*
**Maintenance And Repair**4%
*“Great lawn mower repair kit”*
**Product Condition**2%
*“came back to better than new”*
**Functionality-Overall**2%
*“New carb worked perfectly”*
### **What buyers complain about **
**Quality-Overall**12%
*“The housing is low quality”*
**Leak-Proof**12%
*“Leaking Gas”*
**Durability**10%
*“the durability is a bit questionable”*
**Functionality-Overall**9%
*“Did not work right”*
**Size-Overall**8%
*“the diameter is much smaller”*
**Fuel Efficiency**5%
*“Excellent product lawnmower wouldnt start, changed spark,gas and topped oil still nothing”*
**Defective Material/Parts**3%
*“Product was broken had to fix in order to use it”*
**Ease Of Cleaning**3%
*“They seem to gum up over time and are hard to remove and clean, sometime new isn't the best idea”*
**Material Quality**3%
*“Unfortunately, these are maintenance items on these lawn mowers because they're made from plastic”*
**Motor Issues**3%
*“Engine ran”*
### **Top return reasons **
**Size-Overall**27%
**Functionality-Overall**25%
**Defective Material/Parts**14%
**Leak-Proof**10%
**Compatibility-Overall**6%
**Advertised Vs Actual Product**4%
**Durability**2%
**Motor Issues**2%
**Mounting**2%
**Assembly/Installation**1%
## **Common questions**
- **Is briggs and stratton 550ex carburetor profitable to sell on Amazon United States?**
- The niche generates $109K/yr across 24 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +225.0%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the briggs and stratton 550ex carburetor niche?**
- 16 brands and 39 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in briggs and stratton 550ex carburetor?**
- Top complaints mined from reviews: Quality-Overall, Leak-Proof, Durability. The return rate is 1.3%.
- **When does demand for briggs and stratton 550ex carburetor peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 15.0× the quietest.
- **What does it cost to enter the briggs and stratton 550ex carburetor niche?**
- Listings span $10.49–$43.82; the average listing price is $18.73 (sweet spot $15–$100). The average incumbent carries 387 reviews — the moat a new listing must climb.
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