---
title: "Clutch Master Cylinder — $325K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/clutch-master-cylinder"
last_updated: "2026-08-10T17:31:34.234Z"
locale: en
meta:
description: "Niche score 58/100 · $325K/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 58/100 · $325K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Clutch Master Cylinder — $325K/yr Amazon US Niche (2026) - Flapen"
---
# **clutch master cylinder**
**Worth a look**
Shows a fragmented shelf (top 5 take 11% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 52Growth 23Conversion 44Competition 97Returns 26Price range 38Avg price 95Brand share 63Review moat 97Quality gap 78
**Competition**
**Incredible****11%**
top-5 click share — an open shelf
**Review moat**
**Incredible****50.86**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$45.80**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****$325K**
$325K/yr · 204K searches
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****$11.91–$233.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****4.9%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-4.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, clutch master cylinder is a $325K/yr Amazon United States market (204K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **clutch master cylinder market data**
- **Units sold / yr**
- **6K–8K**
- avg 0–100/product
- **Revenue / yr**
- **$275K–$366K**
- units × avg price
- **Conversion rate**
- **3.5%**
- **Avg BSR**
- **#730**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **42%**
- **Out of stock**
- **2.7%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
Clicks spread well past the top 5 (11% combined) — an open shelf where new products get seen.
**Brands**
**56 **▲rising
**Sellers**
**180**
**Top-5 brand share**
**67%**
Top 20: 90%
**Top-5 click share**
**11%**
Top 20: 27%
**Open market**
**36%**
- Dorman35% - A-Premium8% - Beck/Arnley6% - ClutchMax5% - AISIN5% - maXpeedingrods4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.
5K4K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/automotive/clutch-master-cylinder/trend)
## **Top clutch master cylinder search terms**
- **clutch master cylinder**81K/yr-0.9%2.1% conv. - **clutch slave cylinder**57K/yr-2.8%2.1% conv. - **slave cylinder**34K/yr-4.0%1.9% conv. - **clutch master cylinder kit**11K/yr+29.8%1.3% conv. - **clutch slave cylinder kit**8K/yr+11.7%1.8% conv. - **master clutch cylinder**4K/yr-21.5%1.6% conv. - **clutch master cylinder and slave cylinder assembly**9K/yr-88.8%0.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/clutch-master-cylinder/search-terms)
## **Top clutch master cylinder 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%1%$3K2%$7K3%$10K4%$13K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dorman CM39903 Clutch Master Cylinder Compatible with Select Acura / Honda Models**Dorman**$24.34**4.4★290 rev](https://www.amazon.com/dp/B001PYCINM) [2**Dorman CS360025 Clutch Slave Cylinder Compatible with Select Acura / Honda Models**Dorman**$15.90**4.5★269 rev](https://www.amazon.com/dp/B001PYI8YA) [3**Beck/Arnley Clutch Master Cylinder - 072-6521**Beck/Arnley**$26.24**4.5★134 rev](https://www.amazon.com/dp/B000CAVUKC) [4**Dorman CS650006 Clutch Slave Cylinder Compatible with Select Ford / Mazda Models**Dorman**$53.94**4.3★221 rev](https://www.amazon.com/dp/B0026M5RYO) [5**Dorman CC649002 Clutch Master and Slave Cylinder Assembly Compatible with Select Jeep Models**Dorman**$119.34**4.3★261 rev](https://www.amazon.com/dp/B001T9QOLA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AUTOKAY 5L5Z-7A543-AA Clutch Master Cylinder and Line Set Fits for Ford Explorer 1995-2001 Ranger 1995-2011 for Mazda B2300 1994-2007 B2500 1998-2001 B3000 1994-2007 B4000 1994-2009**AUTOKAY**$36.15**7 rev8mo ago](https://www.amazon.com/dp/B0FX9QW74X) [**XINSAUTO Clutch Master Cylinder LMC433 Replacement for Honda CR-V 2002-2006 Civic 2002-2005 Accord 2003-2007 Element 2003-2007 & A-c-r TSX 2004-2007**XINSAUTO**$27.54**12 rev10mo ago](https://www.amazon.com/dp/B0FNL5QWGV) [**maXpeedingrods Clutch Master Cylinder & Clutch Slave Cylinder Assembly for Honda Civic Accord CRV Element 2.4LT 2002-2009 for Acura RSX TSX 2.0LT 2.4LT Replace 46920-S7A-A03 46920-S7A-A01**maXpeedingrods**$41.49**12 rev1y ago](https://www.amazon.com/dp/B0DWMNGXM4) [**A-Premium Clutch Master Cylinder and Clutch Slave Cylinder Compatible with Mazda Miata 1990-1997/1999-2005 Replace# NA0141400 NA0141920**A-Premium**$46.39**10 rev2y ago](https://www.amazon.com/dp/B0D7HPPFRK) [**Kozlira Clutch Master & Slave Cylinder Assembly Compatible with Ford F-250 Super Duty/F-350 Super Duty/F-450 Super Duty/F-550 Super Duty 7.3L V8 6.0L V8 DIESEL 1999-2007 - Replace CC649021 136.65620**Kozlira**$58.80**26 rev2y ago](https://www.amazon.com/dp/B0D4PQPLLB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Beck/Arnley Clutch Master Cylinder - 072-6521**Beck/Arnley**$26.24**4.5★**▲ 201%**](https://www.amazon.com/dp/B000CAVUKC) [**AUTOKAY 5L5Z-7A543-AA Clutch Master Cylinder and Line Set Fits for Ford Explorer 1995-2001 Ranger 1995-2011 for Mazda B2300 1994-2007 B2500 1998-2001 B3000 1994-2007 B4000 1994-2009**AUTOKAY**$36.15**4.3★**▲ 200%**](https://www.amazon.com/dp/B0FX9QW74X) [**XINSAUTO Clutch Master Cylinder LMC433 Replacement for Honda CR-V 2002-2006 Civic 2002-2005 Accord 2003-2007 Element 2003-2007 & A-c-r TSX 2004-2007**XINSAUTO**$27.54**4.9★**▲ 88%**](https://www.amazon.com/dp/B0FNL5QWGV) [**Kozlira Clutch Master & Slave Cylinder Assembly Compatible with Ford F-250 Super Duty/F-350 Super Duty/F-450 Super Duty/F-550 Super Duty 7.3L V8 6.0L V8 DIESEL 1999-2007 - Replace CC649021 136.65620**Kozlira**$58.80**4.4★**▲ 84%**](https://www.amazon.com/dp/B0D4PQPLLB) [**Beck/Arnley 072-9651 Clutch Slave Cylinder**Beck/Arnley**$27.86**4.6★**▲ 84%**](https://www.amazon.com/dp/B004VKYWXQ)
**~~View all trending →~~**
## **What buyers say about clutch master cylinder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**32%
*“Fit exactly”*
**Quality-Overall**17%
*“The build quality seems solid”*
**Advertised Vs Actual Product**12%
*“Works as it should”*
**Assembly/Installation**9%
*“Easy installation”*
**Value For Money**8%
*“Great value for the money”*
**Efficiency**5%
*“It functions well”*
**Durability**3%
*“looks very durable”*
**Leak-Proof**2%
*“leak-free fittings”*
**Functionality-Overall**2%
*“But it works and didn't fail immediately like the internal slave did”*
**Material Quality**2%
*“Much better then the plastic OE”*
### **What buyers complain about **
**Durability**16%
*“Part failed after 4 months”*
**Leak-Proof**16%
*“it leaks from both ends”*
**Size-Overall**13%
*“Push pin is to short”*
**Assembly/Installation**7%
*“A pain to install”*
**Compatibility-Overall**6%
*“Didnt work for my car”*
**Quality-Overall**6%
*“Absolute garbage”*
**Defective Material/Parts**6%
*“A much needed repair”*
**Functionality-Overall**5%
*“It failed to work”*
**Maintenance And Repair**4%
*“Needs better Machining done on it”*
**Metal Quality**3%
*“Plastic not metal as picture shows”*
### **Top return reasons **
**Size-Overall**23%
**Defective Material/Parts**15%
**Compatibility-Overall**12%
**Leak-Proof**11%
**Advertised Vs Actual Product**8%
**Functionality-Overall**5%
**Pressure**5%
**Value For Money**3%
**Assembly/Installation**2%
**Mechanism Issues**2%
## **Common questions**
- **Is clutch master cylinder profitable to sell on Amazon United States?**
- The niche generates $325K/yr across 264 tracked products. 1 of 12 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the clutch master cylinder niche?**
- 56 brands and 180 sellers compete. The top 5 products take 11% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in clutch master cylinder?**
- Top complaints mined from reviews: Durability, Leak-Proof, Size-Overall. The return rate is 4.9%.
- **When does demand for clutch master cylinder peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the clutch master cylinder niche?**
- Listings span $11.91–$233.33; the average listing price is $45.80 (sweet spot $15–$100). The average incumbent carries 51 reviews — the moat a new listing must climb.
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