---
title: "Hmsk80 Carburetor — $8K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/hmsk80-carburetor"
last_updated: "2026-08-11T02:56:07.625Z"
locale: en
meta:
description: "Niche score 31/100 · $8K/yr market · 9K searches/yr · $23.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · $8K/yr market · 9K searches/yr · $23.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Hmsk80 Carburetor — $8K/yr Amazon US Niche (2026) - Flapen"
---
# **hmsk80 carburetor**
**Skip it**
Soft demand (-86.8% this quarter) — this niche doesn't clear our bar today.
Market size 2Growth 0Conversion 46Competition 17Returns 45Price range 95Avg price 95Brand share 30Review moat 49Quality gap 42
**Avg price**
**Incredible****$23.07**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$14.90–$46.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,600**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****3.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$8K**
$8K/yr · 9K searches
**Growth**
**Bad****-86.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, hmsk80 carburetor is a $8K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 31/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hmsk80 carburetor market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$29K–$35K**
- units × avg price
- **Conversion rate**
- **3.7%**
- **Avg BSR**
- **#616**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **210 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**17**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**7%**
- Carbhub38% - HOOAI15% - Pro Chaser15% - AUTOKAY12% - MDAIRC8% - Stens7% - Open — no brand owns it (1 brand, 7%)
## **Demand**
Weekly Amazon search volume, last 28 weeks — -86.8% search growth over the last 90 days.
1K750Spike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/hmsk80-carburetor/trend)
## **Top hmsk80 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%$76720%$2K30%$2K40%$3K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Carbhub 640052 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA Snow Blower Thrower 8HP 9HP 10HP Engine Tecumseh 640054 640349 Carburetor with Primer Bulb - 640052 Carburetor**Carbhub**$19.90**4.4★2,457 rev](https://www.amazon.com/dp/B07JMT2XHR) [2**640052 Carburetor Compatible with Tecumseh 8hp 8.5hp 9hp 9.5hp 10hp 10.5hp HMSK80 HMSK85 HMSK90 HMSK100 HMSK105 HMSK110 LH318SA LH358SA Engines Replace 640054 640349 640058 640058A for Snow blowers**HOOAI**$19.51**4.5★5,415 rev](https://www.amazon.com/dp/B01N2HLDIY) [3**640349 HMSK80 Carburetor for Tecumseh 640052 ST824 LH318SA ST1032 924082 932101 640054 924050 Ariens ST624 Fits Yard Machines 31AE640F000 31AE665E118 Snowblower**Pro Chaser**$19.64**4.6★350 rev](https://www.amazon.com/dp/B07L54S4LL) [4**Carbhub 640052 Carburetor for Tecumseh 640349 640054 640058 640058A HMSK80 HMSK85 HMSK90 HMSK100 HSMK110 LH318A LH358SA 8HP 9HP 10HP Snowblower Generator Chipper Shredder - Tecumseh 640052 640054 Carb**Carbhub**$16.91**4.5★1,386 rev](https://www.amazon.com/dp/B079NTGG2K) [5**AUTOKAY 640052 Adjustable Carburetor for Tecumseh 8HP 9HP 10HP Snowblower HMSK80 HMSK90 LH318SA LH358SA 632334A HM70 HM80 for Snow Blower Generator Chipper Shredder 640349 640054 640058 640058A Carb**AUTOKAY**$14.90**4.5★2,187 rev](https://www.amazon.com/dp/B0751CGGLV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ruixing OEM 640052 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA Snow Blower Thrower 8HP 9HP 10HP Engine replaces 640054 640349 640058 640058A Ariens st824 ST1032 ST624 Snowblower**ALFUL**$28.63**54 rev9mo ago](https://www.amazon.com/dp/B0FWTFZKD6) [**640052 640054 640058 640058A 640349 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA 8HP 9HP 10HP Snowblower Generator Chipper 640052 Carb**MDAIRC**$18.76**905 rev7y ago](https://www.amazon.com/dp/B07CM4WV6L) [**Carbhub 640052 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA Snow Blower Thrower 8HP 9HP 10HP Engine Tecumseh 640054 640349 Carburetor with Primer Bulb - 640052 Carburetor**Carbhub**$19.90**2,457 rev7y ago](https://www.amazon.com/dp/B07JMT2XHR) [**Carbhub 640052 Carburetor for Tecumseh 640349 640054 640058 640058A HMSK80 HMSK85 HMSK90 HMSK100 HSMK110 LH318A LH358SA 8HP 9HP 10HP Snowblower Generator Chipper Shredder - Tecumseh 640052 640054 Carb**Carbhub**$16.91**1,386 rev8y ago](https://www.amazon.com/dp/B079NTGG2K) [**640349 HMSK80 Carburetor for Tecumseh 640052 ST824 LH318SA ST1032 924082 932101 640054 924050 Ariens ST624 Fits Yard Machines 31AE640F000 31AE665E118 Snowblower**Pro Chaser**$19.64**350 rev8y ago](https://www.amazon.com/dp/B07L54S4LL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**640052 640054 640058 640058A 640349 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA 8HP 9HP 10HP Snowblower Generator Chipper 640052 Carb**MDAIRC**$18.76**4.6★**▲ 118%**](https://www.amazon.com/dp/B07CM4WV6L) [**AUTOKAY 640052 Adjustable Carburetor for Tecumseh 8HP 9HP 10HP Snowblower HMSK80 HMSK90 LH318SA LH358SA 632334A HM70 HM80 for Snow Blower Generator Chipper Shredder 640349 640054 640058 640058A Carb**AUTOKAY**$14.90**4.5★**▲ 65%**](https://www.amazon.com/dp/B0751CGGLV) [**Ruixing OEM 640052 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA Snow Blower Thrower 8HP 9HP 10HP Engine replaces 640054 640349 640058 640058A Ariens st824 ST1032 ST624 Snowblower**ALFUL**$28.63**4.5★**▲ 18%**](https://www.amazon.com/dp/B0FWTFZKD6) [**Stens Carburetor 520-926 Compatible with Tecumseh HMSK80 HMSK85 HMSK90 and LH318SA 640052 640054 640349**Stens**$46.30**4.4★**▲ 14%**](https://www.amazon.com/dp/B01I730NXU) [**Carbhub 640052 Carburetor for Tecumseh HMSK80 HMSK90 HMSK100 LH318SA LH358SA Snow Blower Thrower 8HP 9HP 10HP Engine Tecumseh 640054 640349 Carburetor with Primer Bulb - 640052 Carburetor**Carbhub**$19.90**4.4★**— 3%**](https://www.amazon.com/dp/B07JMT2XHR)
**~~View all trending →~~**
## **What buyers say about hmsk80 carburetor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“Fit well”*
**Value For Money**19%
*“This is worth the money”*
**Assembly/Installation**9%
*“Fairly easy to install”*
**Quality-Overall**9%
*“Good quality”*
**Efficiency**7%
*“Running good”*
**Adjustability/Rotatability/Reclining**6%
*“It's adjustable,”*
**Advertised Vs Actual Product**5%
*“As described”*
**Durability**3%
*“It's durable and seems like it's built to last, which is great considering the price point”*
**Ease Of Use**3%
*“that is the best I've ever used”*
**Motor Power**2%
*“however I used the serial number from my engine to match up this carburetor which is identical to the one that came with the machine which I feel is very important OEM is always the best”*
### **What buyers complain about **
**Quality-Overall**19%
*“Absolute garbage”*
**Functionality-Overall**11%
*“Carburetor did not work”*
**Leak-Proof**7%
*“Leaked Gas”*
**Fuel Efficiency**6%
*“carburetor just dumped fuel all over the place”*
**Size-Overall**5%
*“Don't fit what I had ordered for”*
**Value For Money**4%
*“Cheap not worth it”*
**Blower**4%
*“Started my 20yr old blower in 1 pull”*
**Ease Of Cleaning**4%
*“probably because I didn't clean out the gas properly”*
**Mechanism Issues**3%
*“Impossible to get it set correctly so the engine runs as it shoud”*
**Mounting**3%
*“Choke levers were off quite a bit”*
### **Top return reasons **
**Size-Overall**31%
**Functionality-Overall**15%
**Leak-Proof**12%
**Defective Material/Parts**9%
**Compatibility-Overall**8%
**Advertised Vs Actual Product**6%
**Mechanism Issues**3%
**Assembly/Installation**3%
**Motor Issues**3%
**Value For Money**1%
## **Common questions**
- **Is hmsk80 carburetor profitable to sell on Amazon United States?**
- The niche generates $8K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -86.8%. Flapen's verdict: Skip it (31/100).
- **How competitive is the hmsk80 carburetor niche?**
- 7 brands and 17 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in hmsk80 carburetor?**
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Leak-Proof. The return rate is 3.4%.
- **What does it cost to enter the hmsk80 carburetor niche?**
- Listings span $14.90–$46.30; the average listing price is $23.07 (sweet spot $15–$100). The average incumbent carries 1,600 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)