---
title: "Nutone 8663rp B Unit — $76K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/nutone-8663rp-b-unit"
last_updated: "2026-08-08T22:08:30.140Z"
locale: en
meta:
description: "Niche score 35/100 · $76K/yr market · 6K searches/yr · $65.20 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $76K/yr market · 6K searches/yr · $65.20 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nutone 8663rp B Unit — $76K/yr Amazon US Niche (2026) - Flapen"
---
# **nutone 8663rp b unit**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 19Growth 15Conversion 99Competition 2Returns 38Price range 62Avg price 88Brand share 0Review moat 74Quality gap 50
**Conversion**
**Incredible****19.1%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$65.20**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****528.17**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$34.55–$140.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****4.0%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$76K**
$76K/yr · 6K searches
**Growth**
**Bad****-20.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****98%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, nutone 8663rp b unit is a $76K/yr Amazon United States market (6K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 35/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nutone 8663rp b unit market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$65K–$82K**
- units × avg price
- **Conversion rate**
- **19.1%**
- **Avg BSR**
- **#180**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products capture 98% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**98%**
Top 20: 100%
**Open market**
**0%**
- Cylrod40% - CLLOMAGY36% - Broan-NuTone12% - Motoasis10% - BigHead2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -20.4% search growth over the last 90 days.
450350Spike '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/nutone-8663rp-b-unit/trend)
## **Top nutone 8663rp b unit 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%$8K20%$15K30%$23K40%$30K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Upgrade 8664RP 8663RP for Nutone 8664RP/8663RP B Unit Bathroom Fan Motor - Fit for Nutone 6445RP 671R 672R 8673RP 763RL 769RL 750 - Replace for Broan Exhaust Fan Motor - 100CFM 3.5 Sones**Cylrod**$36.17**4.5★353 rev](https://www.amazon.com/dp/B0D6RNGPJX) [2**8663RP B Unit for NuTone 8664RP B Unit for NuTone 8663RP Bathroom Fan Motor**CLLOMAGY**$34.55**4.6★176 rev](https://www.amazon.com/dp/B0CZRQ82VH) [3**Upgrade 8663RP 8664RP B Unit Compatible with Nutone 8664RP B Unit 100CFM Fan 8664 8664B 8663 8663B 8663P 8663DG 8663F 8663RF 8663FL 6445 6445B 6445RP 3.5 Sone 9x9 S97017706 S97017705**Motoasis**$37.97**4.4★117 rev](https://www.amazon.com/dp/B0D1FQ7G28) [4**Nutone Motor (8663RP) Assembly # 97017705 1550 RPM; 1.2 amps 115 volts**Broan-NuTone**$67.99**4.6★1,878 rev](https://www.amazon.com/dp/B006IO918O) [5**Broan-NuTone 750 Round Fan and Light Combo for Bathroom and Home White Grille with Glass Lens 100-Watts 3.5 Sones 100 CFM**Broan-NuTone**$140.05**4.4★634 rev](https://www.amazon.com/dp/B000LNMWFC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**S97017702 Fan Light Grill Cover Assembly with Light Lens & Grille Springs Replacement for Broan Nutone 15 Round Ventilation Fan/Light Fits 8663RP 8664RP 750 751 N750 8663FL 8663RF 8673RP VL3668RP**BigHead**$74.46**11 rev12mo ago](https://www.amazon.com/dp/B0FK5D3K58) [**Upgrade 8664RP 8663RP for Nutone 8664RP/8663RP B Unit Bathroom Fan Motor - Fit for Nutone 6445RP 671R 672R 8673RP 763RL 769RL 750 - Replace for Broan Exhaust Fan Motor - 100CFM 3.5 Sones**Cylrod**$36.17**353 rev2y ago](https://www.amazon.com/dp/B0D6RNGPJX) [**Upgrade 8663RP 8664RP B Unit Compatible with Nutone 8664RP B Unit 100CFM Fan 8664 8664B 8663 8663B 8663P 8663DG 8663F 8663RF 8663FL 6445 6445B 6445RP 3.5 Sone 9x9 S97017706 S97017705**Motoasis**$37.97**117 rev2y ago](https://www.amazon.com/dp/B0D1FQ7G28) [**8663RP B Unit for NuTone 8664RP B Unit for NuTone 8663RP Bathroom Fan Motor**CLLOMAGY**$34.55**176 rev2y ago](https://www.amazon.com/dp/B0CZRQ82VH) [**Nutone Motor (8663RP) Assembly # 97017705 1550 RPM; 1.2 amps 115 volts**Broan-NuTone**$67.99**1,878 rev13y ago](https://www.amazon.com/dp/B006IO918O)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**S97017702 Fan Light Grill Cover Assembly with Light Lens & Grille Springs Replacement for Broan Nutone 15 Round Ventilation Fan/Light Fits 8663RP 8664RP 750 751 N750 8663FL 8663RF 8673RP VL3668RP**BigHead**$74.46**4.2★**▲ 334%**](https://www.amazon.com/dp/B0FK5D3K58) [**Broan-NuTone 750 Round Fan and Light Combo for Bathroom and Home White Grille with Glass Lens 100-Watts 3.5 Sones 100 CFM**Broan-NuTone**$140.05**4.4★**▲ 189%**](https://www.amazon.com/dp/B000LNMWFC) [**Upgrade 8663RP 8664RP B Unit Compatible with Nutone 8664RP B Unit 100CFM Fan 8664 8664B 8663 8663B 8663P 8663DG 8663F 8663RF 8663FL 6445 6445B 6445RP 3.5 Sone 9x9 S97017706 S97017705**Motoasis**$37.97**4.4★**▲ 35%**](https://www.amazon.com/dp/B0D1FQ7G28) [**8663RP B Unit for NuTone 8664RP B Unit for NuTone 8663RP Bathroom Fan Motor**CLLOMAGY**$34.55**4.6★**▲ 21%**](https://www.amazon.com/dp/B0CZRQ82VH) [**Nutone Motor (8663RP) Assembly # 97017705 1550 RPM; 1.2 amps 115 volts**Broan-NuTone**$67.99**4.6★**▼ 17%**](https://www.amazon.com/dp/B006IO918O)
**~~View all trending →~~**
## **What buyers say about nutone 8663rp b unit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**28%
*“Fit Perfectly”*
**Noise Level**21%
*“Fan is nice and quiet again”*
**Assembly/Installation**10%
*“Installation was straightforward”*
**Advertised Vs Actual Product**10%
*“Works as advertised”*
**Value For Money**6%
*“Good deal”*
**Quality-Overall**6%
*“Great quality”*
**Ease Of Use**4%
*“was very simple”*
**Efficiency**2%
*“Worked perfectly in our unit”*
**Motor Power**2%
*“Finally an after market fan motor is available easy Peasy install Plug n play is available for a fraction of the cost of this unit”*
**Brightness/Shine/Glow**2%
*“The light is brighter”*
### **What buyers complain about **
**Noise Level**22%
*“still rattles”*
**Size-Overall**16%
*“Neither one of them fit”*
**Durability**13%
*“This unit we installed maybe 10-11 years ago didnt last 10 years”*
**Quality-Overall**8%
*“Trash”*
**Assembly/Installation**6%
*“Did not install after cleaning exposing unit to find that it works still”*
**Metal Quality**4%
*“Useless unless you still have OEM metal assembly”*
**Material Quality**2%
*“Did not see that replacement was plastic”*
**Value For Money**2%
*“think its pricey”*
**Design-Overall**2%
*“cheap design”*
**Functionality-Overall**1%
*“DOES NOT WORK”*
### **Top return reasons **
**Size-Overall**50%
**Compatibility-Overall**10%
**Noise Level**7%
**Defective Material/Parts**7%
**Functionality-Overall**6%
**Advertised Vs Actual Product**4%
**Assembly/Installation**2%
**Mechanism Issues**2%
**Value For Money**2%
**Mounting**2%
## **Common questions**
- **Is nutone 8663rp b unit profitable to sell on Amazon United States?**
- The niche generates $76K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.4%. Flapen's verdict: Skip it (35/100).
- **How competitive is the nutone 8663rp b unit niche?**
- 5 brands and 24 sellers compete. The top 5 products take 98% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in nutone 8663rp b unit?**
- Top complaints mined from reviews: Noise Level, Size-Overall, Durability. The return rate is 4.0%.
- **When does demand for nutone 8663rp b unit peak?**
- Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.6× the quietest.
- **What does it cost to enter the nutone 8663rp b unit niche?**
- Listings span $34.55–$140.05; the average listing price is $65.20 (sweet spot $15–$100). The average incumbent carries 528 reviews — the moat a new listing must climb.
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