---
title: "F13t5cw Led Replacement — $22K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/f13t5cw-led-replacement"
last_updated: "2026-08-09T02:15:03.181Z"
locale: en
meta:
  description: "Niche score 44/100 · $22K/yr market · 15K searches/yr · $22.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $22K/yr market · 15K searches/yr · $22.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "F13t5cw Led Replacement — $22K/yr Amazon US Niche (2026) - Flapen"
---

# **f13t5cw led replacement**

**Skip it**

A small market ($22K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 12Conversion 71Competition 59Returns 36Price range 95Avg price 94Brand share 30Review moat 72Quality gap 62

**Price range**

**Incredible****$15.15–$29.38**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Great****$22.40**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****614.26**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****6.6%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****50%**

top-5 click share — leaders hold, buyers still browse

**Returns**

**Okay****4.1%**

return rate — above 5% kills the launch gate

**Brand share**

**Okay****87%**

top-5 brand share — brands hold most of the demand

**Growth**

**Bad****-25.5%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****$22K**

$22K/yr · 15K 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, f13t5cw led replacement is a $22K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 44/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **f13t5cw led replacement market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$34K–$45K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#2,560**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**87%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**89 months**</dd>

<dt>**Avg seller age**</dt><dd>**199 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▼falling

**Sellers**

**12**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 96%

**Open market**

**7%**

- Wesome Lighting44% - Circle17% - Unique Bulbs9% - IHYCTV9% - KOR8% - Kixdorbol6% - Open — no brand owns it (2 brands, 7%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -25.5% search growth over the last 90 days.

500300Spike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.1×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/f13t5cw-led-replacement/trend)

## **Top f13t5cw led replacement search terms**

- **f13t5 led replacement**3K/yr+115.9%9.0% conv. - **f13t5cw led replacement**8K/yr-69.3%9.6% conv. - **f13t5ww**2K/yr-31.9%16.7% conv. - **f13t5 led**2K/yr-10.2%8.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/f13t5cw-led-replacement/search-terms)

## **Top f13t5cw led replacement 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%$1K10%$2K15%$3K20%$4K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Wesome Lighting 21 Inch F13T5/CW LED Replacement Bulbs 4100K Cool White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture 4 Pack](https://m.media-amazon.com/images/I/31VK9A-XFbL.jpg)**Wesome Lighting 21 Inch F13T5/CW LED Replacement Bulbs 4100K Cool White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture 4 Pack**Wesome Lighting**$24.49**4.3★84 rev](https://www.amazon.com/dp/B0D5H63RJP) [2![Circle (6 Pack) F13T5/CW - T5 Fluorescent 4100K Cool White - 21 Linear - 13 Watt T5 - Under the Counter Light Bulbs](https://m.media-amazon.com/images/I/31ayC2rxGyL.jpg)**Circle (6 Pack) F13T5/CW - T5 Fluorescent 4100K Cool White - 21 Linear - 13 Watt T5 - Under the Counter Light Bulbs**Circle**$23.78**4.5★1,844 rev](https://www.amazon.com/dp/B01EDMZNI4) [3![Wesome Lighting 21 Inch F13T5/WW LED Replacement Bulbs 3000K Warm White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture 4 Pack](https://m.media-amazon.com/images/I/318EOD6Wp3L.jpg)**Wesome Lighting 21 Inch F13T5/WW LED Replacement Bulbs 3000K Warm White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture 4 Pack**Wesome Lighting**$24.46**4.2★61 rev](https://www.amazon.com/dp/B0D5GYZQTV) [4![Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21 Linear - 13 Watt T5 - Under The Counter Light Bulbs](https://m.media-amazon.com/images/I/31ayC2rxGyL.jpg)**Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21 Linear - 13 Watt T5 - Under The Counter Light Bulbs**Circle**$22.99**4.5★738 rev](https://www.amazon.com/dp/B01EDN88QW) [5![Wesome Lighting 12 inch F8T5 and 21 inch F13T5 Cool White Set LED Replacement Bulbs 4100K Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/31hnD4DznaL.jpg)**Wesome Lighting 12 inch F8T5 and 21 inch F13T5 Cool White Set LED Replacement Bulbs 4100K Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Wesome Lighting**$20.25**4.2★32 rev](https://www.amazon.com/dp/B0DZWST35L)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Konideke (4 Set) F8T5/CW 8 Watt and F13T5/CW 13 Watt T5 12 Inches 8W and 21 Inches 13W Under Counter Fluorescent Light Bulbs Cool White 4100K G5 Cap](https://m.media-amazon.com/images/I/418DESh-fgL.jpg)**Konideke (4 Set) F8T5/CW 8 Watt and F13T5/CW 13 Watt T5 12 Inches 8W and 21 Inches 13W Under Counter Fluorescent Light Bulbs Cool White 4100K G5 Cap**Konideke**$24.57**36 rev10mo ago](https://www.amazon.com/dp/B0FQ22XKWZ) [![Kixdorbol 6 Pack 21 Inch F13T5/WW LED Replacement Bulbs 3000K Warm White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/41tZkcBzVGL.jpg)**Kixdorbol 6 Pack 21 Inch F13T5/WW LED Replacement Bulbs 3000K Warm White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Kixdorbol**$27.50**8 rev11mo ago](https://www.amazon.com/dp/B0FNVY1LX1) [![Kixdorbol 6 Pack 21 Inch F13T5/CW LED Replacement Bulbs 4100K Cool White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/418yeY38dTL.jpg)**Kixdorbol 6 Pack 21 Inch F13T5/CW LED Replacement Bulbs 4100K Cool White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Kixdorbol**$27.51**6 rev11mo ago](https://www.amazon.com/dp/B0FNVHL31C) [![Wesome Lighting 12 inch F8T5 and 21 inch F13T5 Cool White Set LED Replacement Bulbs 4100K Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/31hnD4DznaL.jpg)**Wesome Lighting 12 inch F8T5 and 21 inch F13T5 Cool White Set LED Replacement Bulbs 4100K Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Wesome Lighting**$20.25**32 rev1y ago](https://www.amazon.com/dp/B0DZWST35L) [![Wesome Lighting 12 inch F8T5 and 21 inch F13T5 Warm White Set LED Replacement Bulbs 3000K Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/31hEizog7fL.jpg)**Wesome Lighting 12 inch F8T5 and 21 inch F13T5 Warm White Set LED Replacement Bulbs 3000K Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Wesome Lighting**$20.24**24 rev1y ago](https://www.amazon.com/dp/B0DZWR9YBC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Kixdorbol 6 Pack 21 Inch F13T5/WW LED Replacement Bulbs 3000K Warm White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/41tZkcBzVGL.jpg)**Kixdorbol 6 Pack 21 Inch F13T5/WW LED Replacement Bulbs 3000K Warm White T5 LED 9 Watts Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Kixdorbol**$27.50**4.9★**▲ 336%**](https://www.amazon.com/dp/B0FNVY1LX1) [![Wesome Lighting 8 Pack 21 Inch F13T5/DL LED Replacement Bulbs 6500K Daylight T5 LED 9 Watt Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture](https://m.media-amazon.com/images/I/41KcmSuG0kL.jpg)**Wesome Lighting 8 Pack 21 Inch F13T5/DL LED Replacement Bulbs 6500K Daylight T5 LED 9 Watt Replace Fluorescent Bulb with LED Replacement Tube for Counter and Cabinet Fixture**Wesome Lighting**$29.38**4.1★**▲ 233%**](https://www.amazon.com/dp/B0DWSTTF8N) [![Unique Bulbs 2 Pack F13T5/WW 13W T5 21 Warm White 3000k Fluorescent Light Bulb 20 000hr](https://m.media-amazon.com/images/I/31g7yqB1NEL.jpg)**Unique Bulbs 2 Pack F13T5/WW 13W T5 21 Warm White 3000k Fluorescent Light Bulb 20 000hr**Unique Bulbs**$17.46**4.4★**▲ 122%**](https://www.amazon.com/dp/B00K0PQC3E) [![Konideke (4 Set) F8T5/CW 8 Watt and F13T5/CW 13 Watt T5 12 Inches 8W and 21 Inches 13W Under Counter Fluorescent Light Bulbs Cool White 4100K G5 Cap](https://m.media-amazon.com/images/I/418DESh-fgL.jpg)**Konideke (4 Set) F8T5/CW 8 Watt and F13T5/CW 13 Watt T5 12 Inches 8W and 21 Inches 13W Under Counter Fluorescent Light Bulbs Cool White 4100K G5 Cap**Konideke**$24.57**4.8★**▲ 115%**](https://www.amazon.com/dp/B0FQ22XKWZ) [![IHYCTV F13T5WW LED Fluorescent Replacement Tube 7W T5 LED Tube for EVG G5 13W F13T5 Fluorescent Bulbs 21 inch Equivalent 910lm 3000K 830 Warm White Light 140 Degrees Pack 1](https://m.media-amazon.com/images/I/31vDJIhIWPL.jpg)**IHYCTV F13T5WW LED Fluorescent Replacement Tube 7W T5 LED Tube for EVG G5 13W F13T5 Fluorescent Bulbs 21 inch Equivalent 910lm 3000K 830 Warm White Light 140 Degrees Pack 1**IHYCTV**$15.15**4.1★**▲ 113%**](https://www.amazon.com/dp/B0DHVLWYH6)

**~~View all trending →~~**

## **What buyers say about f13t5cw led replacement**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**20%

*“Fit fine”*

**Advertised Vs Actual Product**17%

*“Just as advertised”*

**Brightness/Shine/Glow**15%

*“the brightness is excellent”*

**Value For Money**15%

*“Good deal”*

**Quality-Overall**9%

*“Excellent product”*

**Color**5%

*“Nice warm color”*

**Efficiency**4%

*“Works great”*

**Assembly/Installation**3%

*“Easy to install”*

**Bulb Flicker/Dimming/Color**2%

*“The first bulb I installed is working well, the color and brightness match our current under counter lamps”*

**Functionality-Overall**1%

*“Work great and fit just right with my old under cabinet lights”*

### **What buyers complain about **

**Size-Overall**17%

*“These fit tight”*

**Bulb Flicker/Dimming/Color**15%

*“One bulb did not even work upon arrival”*

**Durability**13%

*“Then after an hour or two it died”*

**Functionality-Overall**9%

*“Both lights did not work”*

**Quality-Overall**8%

*“so I don't have a lot of confidence in the quality of these bulbs”*

**Compatibility-Overall**4%

*“Defective or not for North America”*

**Defective Material/Parts**3%

*“Does not fit the light unit due to this defect”*

**Noise Level**3%

*“you can hear a tinkling sound when you move them”*

**Flammable**2%

*“one of the bulbs came dead and flickering, tried in several sockets”*

**Assembly/Installation**2%

*“A problem while installing the tubes is when you twist them into the sockets, the glass is very fragile and can crack”*

### **Top return reasons **

**Size-Overall**33%

**Bulb Flicker/Dimming/Color**18%

**Color**12%

**Defective Material/Parts**10%

**Advertised Vs Actual Product**7%

**Functionality-Overall**6%

**Brightness/Shine/Glow**5%

**Compatibility-Overall**5%

**Value For Money**1%

**Noise Level**1%

## **Common questions**

<dl>

<dt>**Is f13t5cw led replacement profitable to sell on Amazon United States?**</dt><dd>The niche generates $22K/yr across 23 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -25.5%. Flapen's verdict: Skip it (44/100).</dd>

<dt>**How competitive is the f13t5cw led replacement niche?**</dt><dd>8 brands and 12 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in f13t5cw led replacement?**</dt><dd>Top complaints mined from reviews: Size-Overall, Bulb Flicker/Dimming/Color, Durability. The return rate is 4.1%.</dd>

<dt>**When does demand for f13t5cw led replacement peak?**</dt><dd>Demand peaks in Jan–Nov–Dec; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the f13t5cw led replacement niche?**</dt><dd>Listings span $15.15–$29.38; the average listing price is $22.40 (sweet spot $15–$100). The average incumbent carries 614 reviews — the moat a new listing must climb.</dd>

</dl>

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