oil drain valve
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$42.58avg listing price — sweet spot $15–$100
Price range
Incredible$25.68–$52.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,454.92avg incumbent reviews — the moat a new listing must climb
Market size
Okay$228K$228K/yr · 369K searches
Returns
Okay5.0%return rate — above 6% kills the launch gate
Growth
Okay+6.7%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Competition
Bad82%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
16
Top-5 brand share
100%
Open market
0%
- Fumoto61%
- ValvoMax32%
- Votex4%
- EZ Oil Drain Valve3%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
F106SX: New Generation Fumoto Valve with 14mm-1.5 Thread Size
Fumoto$39.384.6★1,280 rev

Fumoto F106N FN-Series Drain Valve with Long Nipple with Lever Clip
Fumoto$39.794.6★2,190 rev

ValvoMax Oil Drain Valve Quick Twist Oil Drain Plug for Mess-Free DIY Oil Changes No Tools Required M14-1.50 Thread Size Veteran-Owned American Brand
ValvoMax$52.724.6★3,026 rev

ValvoMax Oil Drain Valve Quick Twist Oil Drain Plug for Mess-Free DIY Oil Changes No Tools Required M12-1.25 Thread Size Veteran-Owned American Brand
ValvoMax$52.854.6★3,026 rev

ValvoMax Oil Drain Valve Quick Twist Oil Drain Plug for Mess-Free DIY Oil Changes No Tools Required M12-1.75 Thread Size Veteran-Owned American Brand
ValvoMax$52.854.6★3,026 rev
Newest
by launch date
F137N with LC-10 F-Series Large Body FUMOTO Valve with Long Nipple and LC-10 Lever Clip for M12-1.75
Fumoto$39.35318 rev

Fumoto F-133: STANDARD VALVE WITH 12MM-1.25 THREADS WITH LEVER CLIP
Fumoto$36.40875 rev

Votex - Made in USA - M14x1.5MM Quick Easy Valve No Mess Oil Drain Plug Stainless Steel for Acura Audi Chevrolet Chrysler Dodge Fiat Ford Honda Hyundai Jeep Kia + More
Votex$48.20243 rev

Votex - Made in USA - M12 X 1.25MM Quick Easy Valve Oil Drain Plug fits Infiniti Lexus Nissan Toyota - Stainless Steel - Part Number SMQDP006
Votex$47.68134 rev

Fumoto F106N FN-Series Drain Valve with Long Nipple with Lever Clip
Fumoto$39.792,190 rev
Trending
90-day click momentum
F108S: FUMOTO VALVE WITH SHORT NIPPLE 16MM-1.5 WITH LC-10
Fumoto$37.644.7★

ValvoMax Oil Drain Valve Quick Twist Oil Drain Plug for Mess-Free DIY Oil Changes No Tools Required M14-1.50 Thread Size Veteran-Owned American Brand
ValvoMax$52.724.6★

Fumoto F106N FN-Series Drain Valve with Long Nipple with Lever Clip
Fumoto$39.794.6★

F106SX: New Generation Fumoto Valve with 14mm-1.5 Thread Size
Fumoto$39.384.6★

F137N with LC-10 F-Series Large Body FUMOTO Valve with Long Nipple and LC-10 Lever Clip for M12-1.75
Fumoto$39.354.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +6.7% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“it helps make oil changes easier”
“Excellent product—solid craftsmanship”
“So far it hasn't leaked”
“Fits Great”
“Keeps everything clean”
“Easy to install”
“great price”
“Easy to use”
“Works as advertised”
“it looks fantastic”
What buyers complain about
“Leaks oil”
“Website states it is compatible. Wish it worked”
“for some reason the flag is way smaller”
“They're expensive”
“Mine Doesn't Work”
“Tough installation”
“Horrible design, the screwing adapter should have knobs around it instead of a neural metal which is ineffective when you have oil spilling all over your hands or gloves”
“Cant use socket to install”
“Recieved used product”
“They said they would use send a new one, no charge”