---
title: "Cv40 Carburetor — $40K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/cv40-carburetor"
last_updated: "2026-08-10T15:35:49.244Z"
locale: en
meta:
description: "Niche score 48/100 · $40K/yr market · 29K searches/yr · $48.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $40K/yr market · 29K searches/yr · $48.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cv40 Carburetor — $40K/yr Amazon US Niche (2026) - Flapen"
---
# **cv40 carburetor**
**Skip it**
A small market ($40K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 64Conversion 35Competition 24Returns 47Price range 95Avg price 94Brand share 30Review moat 95Quality gap 78
**Review moat**
**Great****104.21**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Incredible****$31.43–$70.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$48.67**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+42.8%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****3.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****2.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$40K**
$40K/yr · 29K 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, cv40 carburetor is a $40K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 48/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cv40 carburetor market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$37K–$49K**
- units × avg price
- **Conversion rate**
- **2.8%**
- **Avg BSR**
- **#1,141**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **3.9%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **215 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**8%**
- ATRACYPART33% - Czsmbt32% - RUIANOMG9% - PUCKY7% - SVKZGFZ6% - BUSIDN5% - Open — no brand owns it (3 brands, 8%)
## **Top cv40 carburetor search terms**
- **cv40 carburetor**8K/yr+74.9%3.7% conv. - **harley carburetor**7K/yr+56.9%2.0% conv. - **harley davidson carburetor**5K/yr+24.2%1.4% conv. - **harley cv carb**4K/yr+28.2%4.0% conv. - **cv carburetor**3K/yr+29.6%4.0% conv. - **cv carb**3K/yr+7.1%3.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/cv40-carburetor/search-terms)
## **Top cv40 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%$4K20%$8K30%$12K40%$16K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CV40 Carburetor Replacement for Harley Davidson Sportster 1200 XLH1200 Sportster 883 XL883 1998-2016 / Softail 1988-2017 / Dyna FXR FXD 1988-2016 / Touring 1988-2016 27490-04**Czsmbt**$43.20**4.4★512 rev](https://www.amazon.com/dp/B09QKY1QHJ) [2**CV40 Carburetor Compatible with 1988-2006 Harley Davidson Sportster 883 1200 XL883 XL1200 1988-2016 Dyna & FXR 1988-2017 Softail 1988-2016 Touring 1998-Up Sportster Electra Glide Fatboy & More Carb**ATRACYPART**$45.82**4.1★196 rev](https://www.amazon.com/dp/B0CPPTT362) [3**RUIANOMG Carburetor Replacement For Harley-Davidson Sportster 883 1200 1988-2006 Softail 1988-2017 Dyna FXR Touring Include Choke Cable Fuel Filter**RUIANOMG**$43.19**4.5★71 rev](https://www.amazon.com/dp/B0DFW1PV2C) [4**CV40 Carburetor & Choke Cable Replacement for Harley Davidson Dyna Electra Glide Fatboy Softail Sportster 1200 XLH1200 Sportster 883 XL883 XLH883 27490-04 CV40 Carb**Czsmbt**$46.03**4.5★200 rev](https://www.amazon.com/dp/B09QKXMGQ7) [5**SVKZGFZ CV40 Carburetor for Harley Davidson HD Sportster XL 883 1200/ Softail/Touring/Dyna FXR/Road King Carb 27421-99A (with Fuel Filter + Spark Plug + Jets)**SVKZGFZ**$31.43**4.4★57 rev](https://www.amazon.com/dp/B0BSL6PCHW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CV40 Carburetor with Choke Cable Replacement for 1988-2017 Harley Davidson Sportster 883 1200 XL883 XL1200 Dyna FXR Softail Touring Electra Glide Fatboy Road King Super Glide OEM# 27490-04 27421-99**FENGCHUNS**$44.65**7 rev4mo ago](https://www.amazon.com/dp/B0GRR7NQTZ) [**CV40 Carburetor & Choke Cable Kit for 1988-2017 Harley-Davidson Sportster 883/1200 Dyna Softail Touring & More OEM# 27490-04 27421-99 Fits Electra Glide Fat Boy Road King Super Glide**Bopowo**$43.95**9 rev9mo ago](https://www.amazon.com/dp/B0FR3WF24R) [**CV40 Carburetor fit for Harley Davidson Sportster 883 XL883 Sportster 1200 XLH1200 1988-2006 Dyna & FXR 1988-2016 Softail 1988-2017 Touring 1988-2016 Sportster Electra Glide Fatboy 1998-Up**JIK**$47.94**27 rev1y ago](https://www.amazon.com/dp/B0F5HSZ7MM) [**CV40 Carburetor Compatible with 19882006 Harley Davidson Sportster 883 1200 XL883 XL1200 Fits 19882016 Dyna & FXR 19882017 Softail 1988-2016 Touring Electra Glide Fatboy Replaces 27490-96**ATRACYPART**$65.21**6 rev1y ago](https://www.amazon.com/dp/B0F4KD4SZV) [**CV40 Carburetor Compatible with Harley Davidson Sportster 883 1200 (19882006) Softail (19882017) Dyna/FXR (19882016) & Touring (19882016) Replaces 27421-99 with Choke Cable Black Cover**ATRACYPART**$65.08**3 rev1y ago](https://www.amazon.com/dp/B0F4KK19M7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CV40 Carburetor with Choke Cable Replacement for 1988-2017 Harley Davidson Sportster 883 1200 XL883 XL1200 Dyna FXR Softail Touring Electra Glide Fatboy Road King Super Glide OEM# 27490-04 27421-99**FENGCHUNS**$44.65**4.5★**▲ 162%**](https://www.amazon.com/dp/B0GRR7NQTZ) [**CV40 Carburetor Compatible with 19882006 Harley Davidson Sportster 883 1200 XL XLH 19882017 Softail 19882016 Dyna/FXR 19882016 Touring Replaces 27421-99 Silver Cover**ATRACYPART**$70.45**4.2★**▲ 142%**](https://www.amazon.com/dp/B0F4KCND4K) [**CV40 Carburetor Compatible with Harley Davidson Sportster 883 1200 (19882006) Softail (19882017) Dyna/FXR (19882016) & Touring (19882016) Replaces 27421-99 with Choke Cable Black Cover**ATRACYPART**$65.08**2.5★**▲ 71%**](https://www.amazon.com/dp/B0F4KK19M7) [**CV40 Carburetor Compatible with 19882006 Harley Davidson Sportster 883 1200 XL883 XL1200 Fits 19882016 Dyna & FXR 19882017 Softail 1988-2016 Touring Electra Glide Fatboy Replaces 27490-96**ATRACYPART**$65.21**3.5★**▲ 67%**](https://www.amazon.com/dp/B0F4KD4SZV) [**RUIANOMG Carburetor Replacement For Harley-Davidson Sportster 883 1200 1988-2006 Softail 1988-2017 Dyna FXR Touring Include Choke Cable Fuel Filter**RUIANOMG**$43.19**4.5★**▲ 36%**](https://www.amazon.com/dp/B0DFW1PV2C)
**~~View all trending →~~**
## **What buyers say about cv40 carburetor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“Fit good”*
**Value For Money**19%
*“A Really Great Value”*
**Efficiency**14%
*“Works like a champ”*
**Adjustability/Rotatability/Reclining**5%
*“Works good after adjusting float and jet”*
**Assembly/Installation**5%
*“putting back together it moved good”*
**Quality-Overall**4%
*“Great fit, great performance, and a solid upgrade for the price”*
**Durability**3%
*“Durable structure and stable long-term riding performance for all classic Harley models”*
**Design-Overall**2%
*“Looks nice”*
**Ease Of Cleaning**2%
*“Its much cleaner too”*
**Maintenance And Repair**2%
*“Less than cost of re-build kit”*
### **What buyers complain about **
**Quality-Overall**21%
*“Trash”*
**Functionality-Overall**16%
*“Carburetor doesnt work”*
**Leak-Proof**11%
*“Leaker”*
**Assembly/Installation**9%
*“After install just had to adj idle up a little”*
**Defective Material/Parts**8%
*“I guess I got one of the manufacturer defect ones”*
**Compatibility-Overall**5%
*“the product description said it was compatible, but it wasn't, so I returned it”*
**Paint Quality**5%
*“Do not use carb until all paint is cleaned”*
**Metal Quality**3%
*“Chinese soft metal”*
**Size-Overall**3%
*“I found it was too big for the jet holder so I replaced it with my old Jet holder”*
**Natural Resource Wastage**3%
*“Waste of time and money”*
### **Top return reasons **
**Size-Overall**31%
**Functionality-Overall**13%
**Defective Material/Parts**10%
**Compatibility-Overall**10%
**Leak-Proof**8%
**Advertised Vs Actual Product**6%
**Product Condition**3%
**Quality-Overall**3%
**Assembly/Installation**2%
**Mechanism Issues**2%
## **Common questions**
- **Is cv40 carburetor profitable to sell on Amazon United States?**
- The niche generates $40K/yr across 14 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +42.8%. Flapen's verdict: Skip it (48/100).
- **How competitive is the cv40 carburetor niche?**
- 9 brands and 11 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in cv40 carburetor?**
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Leak-Proof. The return rate is 3.2%.
- **What does it cost to enter the cv40 carburetor niche?**
- Listings span $31.43–$70.45; the average listing price is $48.67 (sweet spot $15–$100). The average incumbent carries 104 reviews — the moat a new listing must climb.
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