---
title: "Crush Washer — $142K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/crush-washer"
last_updated: "2026-08-10T15:34:51.751Z"
locale: en
meta:
description: "Niche score 51/100 · $142K/yr market · 142K searches/yr. A concentrated shelf (top 5 take 70% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $142K/yr market · 142K searches/yr. A concentrated shelf (top 5 take 70% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Crush Washer — $142K/yr Amazon US Niche (2026) - Flapen"
---
# **crush washer**
**Worth a look**
Shows low returns (1.5%), but a concentrated shelf (top 5 take 70% of clicks) keeps it on the watch list.
Market size 31Growth 51Conversion 78Competition 26Returns 86Price range 75Avg price 59Brand share 53Review moat 58Quality gap 32
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$4.81–$44.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$13.02**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,171.89**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+21.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$142K**
$142K/yr · 142K searches
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
According to Flapen's Amazon United States niche tracking, crush washer is a $142K/yr Amazon United States market (142K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in May. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **crush washer market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$130K–$163K**
- units × avg price
- **Conversion rate**
- **7.7%**
- **Avg BSR**
- **#30**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**17**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**22%**
- maierke26% - AKOSN25% - Seamaka9% - Magicave8% - AUTOMAJOR5% - JMINRUN5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +21.8% search growth over the last 90 days.
4K3KSpike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/automotive/crush-washer/trend)
## **Top crush washer search terms**
- **crush washer**64K/yr+8.7%4.0% conv. - **crush washer kit**32K/yr+71.9%9.3% conv. - **crush washers**18K/yr+12.6%6.4% conv. - **crush washer assortment**12K/yr-5.7%7.1% conv. - **aluminum crush washer**7K/yr+11.3%7.3% conv. - **crush washers for oil drain plug**6K/yr+6.0%5.2% conv. - **crush washer set**4K/yr+13.1%6.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/crush-washer/search-terms)
## **Top crush washer 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%$14K20%$28K30%$43K40%$57K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**maierke 510PCS Crush Washer Oil Drain Plug 18 Sizes Aluminum Oil Drain Plug Gasket Assortment Automotive Engine Crush Washers (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**maierke**$12.04**4.5★413 rev](https://www.amazon.com/dp/B0DC9YMCLT) [2**325 PCS Crush Copper Washers Assortment Kit; 10 Size Flat Sealing Copper Washers (M5-M14) for Electronic Automotive Motorcycles Marine and Mechanical Use**AKOSN**$10.67**4.6★851 rev](https://www.amazon.com/dp/B0CR8XPH5P) [3**Seamaka 580PCS Oil Crush Washer 18 Sizes Oil Drain Plug Gaskets Assortment Kit Automotive Aluminum Drain Plug Washer M6 M8 M10 M12 M14 M16 M18 M20 M22 M24**Seamaka**$11.83**4.3★176 rev](https://www.amazon.com/dp/B0DKTC9TXC) [4**330 Pcs Copper Washers Assortment Kit 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive Plumbing and Mechanical Use**Magicave**$10.04**4.6★451 rev](https://www.amazon.com/dp/B0DJPB3821) [5**Nuepuxo 720PCS Crush Washer Oil Drain Plug 18 Sizes Aluminum Oil Drain Plug Gasket Assortment Kit Automotive Engine Crush Washer (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**Nuepuxo**$12.91**4.6★70 rev](https://www.amazon.com/dp/B0G5DH57KX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ruibapa 510PCS Oil Drain Plug Crush Washer Kit 18 Sizes Aluminum Oil Drain Plug Gasket Assortment M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 Crush Washer Oil Drain Plug**Ruibapa**$10.51**78 rev7mo ago](https://www.amazon.com/dp/B0G5P8SJYB) [**Nuepuxo 720PCS Crush Washer Oil Drain Plug 18 Sizes Aluminum Oil Drain Plug Gasket Assortment Kit Automotive Engine Crush Washer (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**Nuepuxo**$12.91**70 rev7mo ago](https://www.amazon.com/dp/B0G5DH57KX) [**maierke 1160PCS Crush Washer Oil Drain Plug 18 Sizes Copper and Aluminum Oil Drain Plug Gasket Assortment Automotive Engine Crush Washers (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**maierke**$44.82**413 rev1y ago](https://www.amazon.com/dp/B0FCRXQJ3P) [**600 Pcs Aluminum Crush Washer Assortment Kit 18 Sizes Oil Drain Plug Gasket Assortment Drain Plug Washer Kit for Automotive Oil Pan Repair (M6 to M24)**Magicave**$12.63**157 rev1y ago](https://www.amazon.com/dp/B0F93TPMWH) [**WEGOUP Copper Washers Oil Drain Plug Washer 100 PCS Copper Crush Gasket Assortment Kit 10 Different Sizes Flat Sealing Crush Washers (M5-M20) for Automotive Plumbing Electrical Mechanical.**wegoup**$7.12**100 rev1y ago](https://www.amazon.com/dp/B0F37YZ7ZZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ruibapa 510PCS Oil Drain Plug Crush Washer Kit 18 Sizes Aluminum Oil Drain Plug Gasket Assortment M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 Crush Washer Oil Drain Plug**Ruibapa**$10.51**4.7★**▲ 168%**](https://www.amazon.com/dp/B0G5P8SJYB) [**maierke 1160PCS Crush Washer Oil Drain Plug 18 Sizes Copper and Aluminum Oil Drain Plug Gasket Assortment Automotive Engine Crush Washers (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**maierke**$44.82**4.5★**▲ 84%**](https://www.amazon.com/dp/B0FCRXQJ3P) [**Nuepuxo 720PCS Crush Washer Oil Drain Plug 18 Sizes Aluminum Oil Drain Plug Gasket Assortment Kit Automotive Engine Crush Washer (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**Nuepuxo**$12.91**4.6★**▲ 70%**](https://www.amazon.com/dp/B0G5DH57KX) [**Seamaka 580PCS Oil Crush Washer 18 Sizes Oil Drain Plug Gaskets Assortment Kit Automotive Aluminum Drain Plug Washer M6 M8 M10 M12 M14 M16 M18 M20 M22 M24**Seamaka**$11.83**4.3★**▲ 23%**](https://www.amazon.com/dp/B0DKTC9TXC) [**maierke 510PCS Crush Washer Oil Drain Plug 18 Sizes Aluminum Oil Drain Plug Gasket Assortment Automotive Engine Crush Washers (M6 M8 M10 M12 M14 M16 M18 M20 M22 M24)**maierke**$12.04**4.5★**▲ 22%**](https://www.amazon.com/dp/B0DC9YMCLT)
**~~View all trending →~~**
## **What buyers say about crush washer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“Great product, exactly as described”*
**Size-Overall**20%
*“Exact fit”*
**Value For Money**16%
*“Cant beat the price”*
**Advertised Vs Actual Product**10%
*“As Advertised”*
**Leak-Proof**7%
*“do not leak”*
**Ease Of Use**4%
*“Comes in handy”*
**Lubrication**2%
*“Good to have if you do your own oil changes”*
**Thickness**2%
*“Awesome assortment, thick washers”*
**Ease Of Cleaning**1%
*“Decent washers”*
**Efficiency**1%
*“Works as it should”*
### **What buyers complain about **
**Size-Overall**29%
*“Too small”*
**Thickness**16%
*“To thin for my needs”*
**Advertised Vs Actual Product**7%
*“Inaccurate description”*
**Quality-Overall**6%
*“Kindof thin, not great quality”*
**Compatibility-Overall**6%
*“Didnt fit my 2005 Subaru Baja”*
**Leak-Proof**5%
*“oil may leak from the plug”*
**Value For Money**4%
*“Expensive for zero results”*
**Metal Quality**1%
*“it's not a big deal that they are aluminum”*
**Flatness**1%
*“Hard to determine a flat or rounded side”*
**Measurement/Reading Accuracy**1%
*“now I'm doubting I know the correct sizes”*
### **Top return reasons **
**Size-Overall**58%
**Advertised Vs Actual Product**7%
**Compatibility-Overall**7%
**Thickness**5%
**Thin**4%
**Defective Material/Parts**4%
**Quality-Overall**3%
**Value For Money**3%
**Functionality-Overall**2%
**Leak-Proof**2%
## **Common questions**
- **Is crush washer profitable to sell on Amazon United States?**
- The niche generates $142K/yr across 18 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +21.8%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the crush washer niche?**
- 14 brands and 17 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in crush washer?**
- Top complaints mined from reviews: Size-Overall, Thickness, Advertised Vs Actual Product. The return rate is 1.5%.
- **When does demand for crush washer peak?**
- Demand peaks in May; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the crush washer niche?**
- Listings span $4.81–$44.82; the average listing price is $13.02 (sweet spot $15–$100). The average incumbent carries 1,172 reviews — the moat a new listing must climb.
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