---
title: "17801-f0020 — $40K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/17801-f0020"
last_updated: "2026-08-09T08:58:20.438Z"
locale: en
meta:
description: "Niche score 38/100 · $40K/yr market · 42K searches/yr · $21.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $40K/yr market · 42K searches/yr · $21.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "17801-f0020 — $40K/yr Amazon US Niche (2026) - Flapen"
---
# **17801-f0020**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 10Growth 42Conversion 54Competition 27Returns 65Price range 75Avg price 91Brand share 5Review moat 83Quality gap 18
**Avg price**
**Great****$21.35**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****336.64**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$9.94–$30.69**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+13.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$40K**
$40K/yr · 42K searches
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**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, 17801-f0020 is a $40K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 38/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **17801-f0020 market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$32K–$43K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#1,071**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **64%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**54**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**0%**
- Toyota53% - Denso30% - Capume8% - Czomoizc4% - OIFILLIO3% - A-Premium2% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 11 weeks — +13.7% search growth over the last 90 days.
1K600Apr '26May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/automotive/17801-f0020/trend)
## **Top 17801-f0020 search terms**
- **denso air filter**19K/yr+18.8%1.2% conv. - **17801-f0020**8K/yr+23.3%7.2% conv. - **denso engine air filter**6K/yr+12.6%1.4% conv. - **17801-yzz16**5K/yr+0.4%4.5% conv. - **denso air filter toyota**4K/yr-5.1%1.7% conv. [**All search terms **](https://flapen.com/research/us/automotive/17801-f0020/search-terms)
## **Top 17801-f0020 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%15%$6K30%$12K45%$18K60%$24K1101001K10K 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**Toyota Genuine OEM Engine Air Filter 17801-F0020 Denso Made in USA**Toyota**$28.62**4.8★93 rev](https://www.amazon.com/dp/B0DY8RVBT9) [2**Capume for Engine Air Filter JM7050 Fits for Toyota 2018-2025 2026 Camry Hybrid 2019-22 Avalon Hybrid 2019-26 RAV4 Hybrid 2020-26 Highlander Hybrid 2021-26 Sienna 2018-22 C-HR 2019-25 ES300h**Capume**$13.59**4.7★721 rev](https://www.amazon.com/dp/B0C5ZG3PMJ) [3**Denso Air Filter - 143-3012**Denso**$26.09**4.8★187 rev](https://www.amazon.com/dp/B0153AHEIC) [4**Genuine Toyota Engine Air Filter 17801-F0050 OEM Replacement Part**Toyota**$29.87**4.7★89 rev](https://www.amazon.com/dp/B0DY8ZKHRP) [5**Denso Air Filter - 143-3045**Denso**$20.98**4.8★212 rev](https://www.amazon.com/dp/B0153AIJLI)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Czomoizc 17801-YZZ16 17801-F0020 Air Filter Compatible with Toyota 2018-24 Camry Hybrid 2019-22 Avalon Hybrid 2019-23 RAV4 Hybrid 2020-24 Highlander Hybrid 2021-24 Sienna 2018-22 C-HR**Czomoizc**$14.01**5 rev1y ago](https://www.amazon.com/dp/B0F7R4G9RD) [**OIFILLIO Engine Cabin Air Filter Kit for RAV4 Hybrid (2019-2025) Highlander Hybrid (2020-2025) Sienna Venza (2021-2025) Camry Hybird (2018-2025) RAV4 Prime Replaces17801-F0020 87139-58010**OIFILLIO**$27.59**221 rev1y ago](https://www.amazon.com/dp/B0F2B1L2X5) [**Genuine Toyota Engine Air Filter OEM Part 17801-0P100 Denso Made in USA**Toyota**$30.69**154 rev1y ago](https://www.amazon.com/dp/B0DYFT9QM7) [**Toyota Genuine OEM Engine Air Filter 17801-F0020 Denso Made in USA**Toyota**$28.62**93 rev1y ago](https://www.amazon.com/dp/B0DY8RVBT9) [**Genuine Toyota Engine Air Filter 17801-F0050 OEM Replacement Part**Toyota**$29.87**89 rev1y ago](https://www.amazon.com/dp/B0DY8ZKHRP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Toyota Genuine OEM Engine Air Filter 17801-F0020 Denso Made in USA**Toyota**$28.62**4.8★**▲ 45%**](https://www.amazon.com/dp/B0DY8RVBT9) [**Genuine Toyota Engine Air Filter OEM Part 17801-0P100 Denso Made in USA**Toyota**$30.69**4.8★**▲ 14%**](https://www.amazon.com/dp/B0DYFT9QM7) [**Genuine Toyota Engine Air Filter 17801-F0050 OEM Replacement Part**Toyota**$29.87**4.7★**▲ 12%**](https://www.amazon.com/dp/B0DY8ZKHRP) [**Denso Air Filter - 143-3025**Denso**$27.38**4.7★**— 5%**](https://www.amazon.com/dp/B0153AHW2A) [**Czomoizc 17801-YZZ16 17801-F0020 Air Filter Compatible with Toyota 2018-24 Camry Hybrid 2019-22 Avalon Hybrid 2019-23 RAV4 Hybrid 2020-24 Highlander Hybrid 2021-24 Sienna 2018-22 C-HR**Czomoizc**$14.01**4.8★**— 2%**](https://www.amazon.com/dp/B0F7R4G9RD)
**~~View all trending →~~**
## **What buyers say about 17801-f0020**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**39%
*“Fit well”*
**Quality-Overall**13%
*“Great quality”*
**Filtration**12%
*“Nice quality air filter”*
**Value For Money**9%
*“Reasonable price”*
**Advertised Vs Actual Product**8%
*“Works as intended”*
**Assembly/Installation**5%
*“Easy to install”*
**Efficiency**5%
*“Works well”*
**Ease Of Use**2%
*“Easy to easy to change out”*
**Durability**2%
*“durable”*
**Functionality-Overall**1%
*“99.9% work's great”*
### **What buyers complain about **
**Size-Overall**26%
*“Edges are bigger”*
**Compatibility-Overall**24%
*“Not compatible”*
**Value For Money**13%
*“Just wish it was affordable price”*
**Filtration**8%
*“Beats having to by go through the hassle of buying filter oil, filter cleaner, the process of cleaning and reoiling, and hoping that the right amount of oil was applied and you didn't over saturate”*
**Advertised Vs Actual Product**5%
*“Product description is not accurate”*
**Connectivity-Overall**3%
*“Not compatible”*
**Maintenance And Repair**3%
*“These in cab filters should be replaced every 18-24 months”*
**Defective Material/Parts**3%
*“Auto parts”*
### **Top return reasons **
**Size-Overall**48%
**Compatibility-Overall**28%
**Filtration**7%
**Advertised Vs Actual Product**5%
**Value For Money**3%
**Defective Material/Parts**2%
**Shape/Style**2%
**Material Quality**1%
**Product Condition**1%
**Functionality-Overall**1%
## **Common questions**
- **Is 17801-f0020 profitable to sell on Amazon United States?**
- The niche generates $40K/yr across 14 tracked products. 90-day search growth is +13.7%. Flapen's verdict: Skip it (38/100).
- **How competitive is the 17801-f0020 niche?**
- 6 brands and 54 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in 17801-f0020?**
- Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Value For Money. The return rate is 2.4%.
- **What does it cost to enter the 17801-f0020 niche?**
- Listings span $9.94–$30.69; the average listing price is $21.35 (sweet spot $15–$100). The average incumbent carries 337 reviews — the moat a new listing must climb.
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