o rings
Worth a lookShows a $784K/yr market, but strong incumbent ratings (4.6★) keeps it on the watch list.
Market size
Good$784K$784K/yr · 853K searches
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.3%return rate — above 5% kills the launch gate
Avg price
Good$13.78avg listing price — sweet spot $15–$100
Price range
Good$5.02–$26.57cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+14.1%90-day search growth — must beat 0% to launch
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,211.15avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, o rings is a $784K/yr Amazon United States market (853K searches/yr). The top 5 brands hold 80% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
o rings market data
- Units sold / yr
- 50K–60K
- avg 3,000–4,000/product
- Revenue / yr
- $689K–$827K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #16
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 3.1%
- Avg brand age
- 43 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
19
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
17%
- XBVV31%
- ZDBB28%
- Romeda9%
- Monigte7%
- Keze5%
- HTJZWG4%
- Open — no brand owns it (9 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top o rings search terms
- o ring136K/yr
- o ring assortment kit115K/yr
- o rings120K/yr
- o ring kit103K/yr
- oring kits54K/yr
- o rings assortment32K/yr
- o rings by size50K/yr
- rubber o rings35K/yr
- oring27K/yr
- o-ring assortment kit22K/yr
Top o rings 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
XBVV 1020 Pcs O Ring Kit 20 Size Nitrile Rubber O Ring Assortment Set for Car Auto Vehicle Repair Faucet Plumbing Air or Gas Sealing Connections Resist Oil and Heat
XBVV$9.134.6★4,347 rev
ZDBB 32 Size 1540 Pcs O Rings Assortment Kit Metric Nitrile Rubber Oring Set with 4 Pick for Automotive Faucet Pressure Washer Plumbing Air or Gas Repair OD 4mm-50mm
ZDBB$21.994.6★9,284 rev
ZDBB 1010 Pcs Rubber O Rings Kit 22 Size Universal O-Ring Assortment Set for Automotive Faucet Pressure Washers Plumbing Sealing Repair Air or Gas Connections Resist Oil and Heat
ZDBB$9.464.6★9,284 rev
Romeda O Ring Kit 1050 PCS O Ring Assortment Kit 21 Size Metric Nitrile Rubber O Rings for Car Auto Vehicle Repair Faucet Plumbing Air or Gas Sealing Connections Resist Oil and Heat
Romeda$6.414.6★933 rev
XBVV 1540 Pcs 32 Size O-Rings Kit Nitrile Rubber O Ring Assortment with 4 Hook Set for Various Car Auto Vehicle Repair Plumbing Pressure Washer Air or Gas Sealing Connections Resist Oil and Heat
XBVV$21.944.6★4,347 rev
Newest
by launch date
HTJZWG 1030PCS Nitrile Rubber O-Ring Assortment Kit in 31 Sizes
HTJZWG$10.2724 rev
QKP 705Pcs O Ring Kit 28 Sizes Metric Nitrile Black Rubber O Rings Oil and High-Temperature Resistant for Automotive Repairs Pipe Connections tap Pipe Sealing and Air or Gas Sealed Connections
QKP$5.7035 rev
200 Pcs O Ring Assortment Kit ubber Washer Orings Black 15 Sizes Pressure Washer O Ring Kit for Faucet Hose Automotive Air Gas Plumbing Sealing Repair O Rings
MUZHUPGUZ$6.09684 rev
500 Pcs 20 Sizes O Ring Kit Rubber O-Ring Assortment Kit Rubber Washers Pressure Washer Gasket Rings Set for Plumbing Various Car Auto Vehicle Repair Air or Gas Sealing Connections Resist
Monigte$5.64390 rev
Ewparts Metal O Rings Assortment Multi Size Metal Rings for Crafts 50 Pack 3mm Thick Welded Heavy Duty Macrame O-Ring for Sewing Dog Leash Dog Collor Macrame Plant Hanger Crafting Jewellry Making
Ewparts$9.901,427 rev
Trending
90-day click momentumHTJZWG 1030PCS Nitrile Rubber O-Ring Assortment Kit in 31 Sizes
HTJZWG$10.274.6★
Wacky Rings (100pk) O-Rings for Wacky Rigging Senkos/Worms/Soft Stickbaits Bait Saver Orings for Senko Worm Save Your Baits from Tearing While Wacky Neko Rigging (4-5 Black)
Wacky Rings$8.874.7★
GOFIRA O-Ring O Rings Assortment Kit 1566Pcs 27 Sizes Nitrile Rubber Seals Storage Case Resist Oil Heat for Auto Vehicle Faucet Plumbing Hydraulic Air Gas Water Pressure Washer Motor Boat Repair
GOFIRA$12.074.6★
QKP 705Pcs O Ring Kit 28 Sizes Metric Nitrile Black Rubber O Rings Oil and High-Temperature Resistant for Automotive Repairs Pipe Connections tap Pipe Sealing and Air or Gas Sealed Connections
QKP$5.704.5★
ZDBB 1010 Pcs Rubber O Rings Kit 22 Size Universal O-Ring Assortment Set for Automotive Faucet Pressure Washers Plumbing Sealing Repair Air or Gas Connections Resist Oil and Heat
ZDBB$9.464.6★
What buyers say about o rings
What buyers praise and complain about, mined from review topics.What buyers love
“great selection of quality pieces”
“As Advertised”
“Good fit”
“Best Value”
“Comes in handy”
“Complete kit”
“they are quite durable”
“Very Thick”
“Worked great for a hose reel slip joint for a leak free operation”
“Great deal, worked great for my pressure washer”
What buyers complain about
“doesnt fit a Damm thing”
“the thickness is is questionable”
“The container is of poor quality”
“saving me $150 to replace it”
“Product may or may not have all the sizes of o-rings claimed in the description”
“wasnt sealing good anymore”
“this wont last at all”
“Cheap most definitely not for automotive use”
“very thin”
“Poor container design”
Top return reasons
Common questions
- Is o rings profitable to sell on Amazon United States?
- The niche generates $784K/yr across 20 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +14.1%. Flapen's verdict: Worth a look (52/100).
- How competitive is the o rings niche?
- 15 brands and 19 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in o rings?
- Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 2.3%.
- When does demand for o rings peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the o rings niche?
- Listings span $5.02–$26.57; the average listing price is $13.78 (sweet spot $15–$100). The average incumbent carries 3,211 reviews — the moat a new listing must climb.