crush washer
Worth a lookShows low returns (1.5%), but a concentrated shelf (top 5 take 70% of clicks) keeps it on the watch list.
Returns
Great1.5%return rate — above 5% kills the launch gate
Conversion
Great7.7%search→purchase rate — share of searches ending in a sale
Price range
Great$4.81–$44.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$13.02avg listing price — sweet spot $15–$100
Review moat
Good1,171.89avg incumbent reviews — the moat a new listing must climb
Brand share
Good73%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
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay$142K$142K/yr · 142K searches
Competition
Okay70%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
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.Peak months: May · busiest ÷ quietest = 1.8×
Top crush washer search terms
- crush washer64K/yr
- crush washer kit32K/yr
- crush washers18K/yr
- crush washer assortment12K/yr
- aluminum crush washer7K/yr
- crush washers for oil drain plug6K/yr
- crush washer set4K/yr
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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$12.044.5★413 rev
325 PCS Crush Copper Washers Assortment Kit; 10 Size Flat Sealing Copper Washers (M5-M14) for Electronic Automotive Motorcycles Marine and Mechanical Use
AKOSN$10.674.6★851 rev
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$11.834.3★176 rev
330 Pcs Copper Washers Assortment Kit 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive Plumbing and Mechanical Use
Magicave$10.044.6★451 rev
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$12.914.6★70 rev
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$10.5178 rev
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$12.9170 rev
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$44.82413 rev
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$12.63157 rev
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$7.12100 rev
Trending
90-day click momentumRuibapa 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$10.514.7★
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$44.824.5★
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$12.914.6★
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$11.834.3★
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$12.044.5★
What buyers say about crush washer
What buyers praise and complain about, mined from review topics.What buyers love
“Great product, exactly as described”
“Exact fit”
“Cant beat the price”
“As Advertised”
“do not leak”
“Comes in handy”
“Good to have if you do your own oil changes”
“Awesome assortment, thick washers”
“Decent washers”
“Works as it should”
What buyers complain about
“Too small”
“To thin for my needs”
“Inaccurate description”
“Kindof thin, not great quality”
“Didnt fit my 2005 Subaru Baja”
“oil may leak from the plug”
“Expensive for zero results”
“it's not a big deal that they are aluminum”
“Hard to determine a flat or rounded side”
“now I'm doubting I know the correct sizes”
Top return reasons
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.