---
title: "84005207 — $137K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/84005207"
last_updated: "2026-08-09T13:38:31.584Z"
locale: en
meta:
description: "Niche score 57/100 · $137K/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 57/100 · $137K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "84005207 — $137K/yr Amazon US Niche (2026) - Flapen"
---
# **84005207**
**Worth a look**
Shows demand growing +116.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 30Growth 95Conversion 80Competition 25Returns 46Price range 52Avg price 90Brand share 43Review moat 83Quality gap 68
**Growth**
**Incredible****+116.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****$58.68**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****350**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****8.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$23.76–$171.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****3.4%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$137K**
$137K/yr · 28K searches
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 84005207 is a $137K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 57/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **84005207 market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$117K–$147K**
- units × avg price
- **Conversion rate**
- **8.4%**
- **Avg BSR**
- **#716**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **58%**
- **Out of stock**
- **9.9%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**31**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**14%**
- Briggs & Stratton23% - TANG19% - LIZEWEI15% - Haiouus15% - Huthbrother8% - Carbhub7% - Open — no brand owns it (4 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +116.6% search growth over the last 90 days.
900700Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 4.3×
[**Open Trend **](https://flapen.com/research/us/automotive/84005207/trend)
## **Top 84005207 search terms**
- **84005207**9K/yr+124.2%10.9% conv. - **briggs and stratton camshaft kit**7K/yr+97.3%2.6% conv. - **793880**5K/yr+133.7%10.4% conv. - **briggs and stratton camshaft**4K/yr+89.2%2.1% conv. - **793880 briggs and stratton camshaft kit**3K/yr+167.6%14.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/84005207/search-terms)
## **Top 84005207 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%5%$7K10%$14K15%$21K20%$27K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**84005207 Camshaft for B&S 793880 Camshaft Kit 793583 792681 791942 795102 Camshaft with 697110 Crankcase Gasket 690564 Valve Tappet 795387 Oil Seal**TANG**$29.30**4.3★437 rev](https://www.amazon.com/dp/B09YQ39X5V) [2**84005207 793880 Camshaft Kit W/691968 Governor & Oil Slinger for B&S Replaces 391764 490815 84005207 792681 Included 697110 272475S Gasket 690564 Valve Tappet 795387 Oil Seal**LIZEWEI**$37.05**3.7★182 rev](https://www.amazon.com/dp/B0CZKX7MNM) [3**84005207 793880 Camshaft Kit Compatible with B&S 793583 792681 791942 795102 Gasket 697110 795387 Oil Seal & 272475S Gasket W/Fastening Screws**Haiouus**$23.76**4.4★395 rev](https://www.amazon.com/dp/B08HRVQWSJ) [4**Briggs and Stratton 84005207 Camshaft**Briggs & Stratton**$92.15**4.7★191 rev](https://www.amazon.com/dp/B089LN5D31) [5**Briggs & Stratton 793880 Camshaft Replaces 793583/792681/791942/795102**Briggs & Stratton**$101.44**4.6★518 rev](https://www.amazon.com/dp/B002WNU7OW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Camshaft Kit for B&S Lawn Tractor Riding Lawn Mower Cam Replace OEM# 84005207 793880 793583 792681 791942 795102**YDO**$27.45**103 rev2y ago](https://www.amazon.com/dp/B0D2N1BGTP) [**84005207 793880 Camshaft Kit W/691968 Governor & Oil Slinger for B&S Replaces 391764 490815 84005207 792681 Included 697110 272475S Gasket 690564 Valve Tappet 795387 Oil Seal**LIZEWEI**$37.05**182 rev2y ago](https://www.amazon.com/dp/B0CZKX7MNM) [**Camshaft Kit for the B&S Camshaft Kit 84005207 with 697110 Gasket and 795387 Oil Seal**Outdoor Power Deals**$171.67**82 rev2y ago](https://www.amazon.com/dp/B09NWBVFNR) [**84005207 Camshaft for B&S 793880 Camshaft Kit 793583 792681 791942 795102 Camshaft with 697110 Crankcase Gasket 690564 Valve Tappet 795387 Oil Seal**TANG**$29.30**437 rev4y ago](https://www.amazon.com/dp/B09YQ39X5V) [**Camshaft 84005207 Compatible with BS 793880 793583 792681 791942 795102 Camshaft kit Cam Replacement Kit with 795387 Oil Seal Ring and 697110 Crankcase Gasket**CANZILLA**$32.45**473 rev5y ago](https://www.amazon.com/dp/B08K7D8CR5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Briggs & Stratton 797242 Camshaft Genuine Original Equipment Manufacturer (OEM) Part**Briggs & Stratton**$99.33**5.0★**▲ 48%**](https://www.amazon.com/dp/B002WNY2X4) [**84005207 793880 Camshaft Kit Compatible with B&S 793583 792681 791942 795102 Gasket 697110 795387 Oil Seal & 272475S Gasket W/Fastening Screws**Haiouus**$23.76**4.4★**▲ 35%**](https://www.amazon.com/dp/B08HRVQWSJ) [**84005207 793880 Camshaft Kit W/691968 Governor & Oil Slinger for B&S Replaces 391764 490815 84005207 792681 Included 697110 272475S Gasket 690564 Valve Tappet 795387 Oil Seal**LIZEWEI**$37.05**3.7★**▲ 24%**](https://www.amazon.com/dp/B0CZKX7MNM) [**84005207 793880 Camshaft Kit & 691968 Governor Kit for B&S Replaces 391764 490815 84005207 792681 793583 792681 Included 697110 272475S Gasket 690564 Valve Tappet 795387 Oil Seal**Karbay**$36.11**4.2★**▲ 13%**](https://www.amazon.com/dp/B07FLRPNTR) [**Briggs and Stratton 84005207 Camshaft**Briggs & Stratton**$92.15**4.7★**— 1%**](https://www.amazon.com/dp/B089LN5D31)
**~~View all trending →~~**
## **What buyers say about 84005207**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Seems like good quality build”*
**Size-Overall**16%
*“Fits perfectly”*
**Advertised Vs Actual Product**12%
*“Exactly what I needed”*
**Value For Money**11%
*“Great bang for your buck”*
**Assembly/Installation**6%
*“it installed without any issues”*
**Durability**5%
*“Worked while it lasted”*
**Maintenance And Repair**5%
*“Fix perfectly for successful repair”*
**Efficiency**4%
*“So far working as expected”*
**Correct Contents**4%
*“good parts and got them when they said I would”*
**Design-Overall**4%
*“hope its better than original design”*
### **What buyers complain about **
**Durability**25%
*“Broke immediately”*
**Quality-Overall**22%
*“Complete garbage”*
**Functionality-Overall**12%
*“had low power”*
**Compression**9%
*“The auto decompression failed after two mows”*
**Assembly/Installation**4%
*“But havent installed yet”*
**Value For Money**2%
*“A $25 dollar part just cost a $1000 motor”*
**Maintenance And Repair**2%
*“so I was not able to complete the repair”*
**Flexibility**2%
*“Bent gasket”*
**Natural Resource Wastage**2%
*“Total waste of time and money”*
**Design-Overall**2%
*“OEM replacement for a bad design”*
### **Top return reasons **
**Size-Overall**21%
**Defective Material/Parts**17%
**Compression**16%
**Functionality-Overall**9%
**Durability**6%
**Advertised Vs Actual Product**6%
**Assembly/Installation**5%
**Compatibility-Overall**3%
**Quality-Overall**3%
**Maintenance And Repair**2%
## **Common questions**
- **Is 84005207 profitable to sell on Amazon United States?**
- The niche generates $137K/yr across 12 tracked products. 90-day search growth is +116.6%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the 84005207 niche?**
- 10 brands and 31 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in 84005207?**
- Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 3.4%.
- **When does demand for 84005207 peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 4.3× the quietest.
- **What does it cost to enter the 84005207 niche?**
- Listings span $23.76–$171.67; the average listing price is $58.68 (sweet spot $15–$100). The average incumbent carries 350 reviews — the moat a new listing must climb.
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