oil syringe
Skip itA small market ($100K/yr) — this niche doesn't clear our bar today.
Conversion
Great10.8%search→purchase rate — share of searches ending in a sale
Returns
Great1.9%return rate — above 6% kills the launch gate
Review moat
Okay1,570.32avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Avg price
Okay$11.45avg listing price — sweet spot $15–$100
Price range
Okay$7.13–$19.63cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+6.3%90-day search growth — must beat 0% to launch
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Market size
Bad$100K$100K/yr · 81K searches
Competition
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
17
Top-5 brand share
77%
Open market
19%
- Thorstone31%
- FOUR UNCLES20%
- SEDY11%
- SWANLAKE GARDEN TOOLS7%
- DEPEPE7%
- H-veenjor5%
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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FOUR UNCLES Fluid Extractor & Filling Pump for Easy Oil Change
FOUR UNCLES$10.274.4★2,008 rev

Thorstone 200cc Automotive Fluid Extractor Pump Manual Oil Change Syringe with 2pcs 22cm PVC Suction Tubes
Thorstone$11.624.3★5,067 rev

Thorstone 200cc Automotive Fluid Extractor Pump Manual Oil Change Syringe with 50cm Rubber Hose & 2pcs 22cm PVC Suction Tubes
Thorstone$13.774.3★5,067 rev

SEDY 500CC Fluid Extractor Multi-Purpose Oil Syringe Oil Suction Pump Manual Extraction and Filling Pump Automotive Oil Syringe(17.6 Oz./0.45 Qt./500 CC)
SEDY$12.884.5★402 rev

SWANLAKE 200cc Fluid Extractor Extraction&Fill Pump Fluid Syringe Pump Manual Suction Vacuum Fuel Car Transfer
SWANLAKE GARDEN TOOLS$8.254.5★2,526 rev
Newest
by launch date
500CC Fluid Extractor and Fill Pump Manual Oil Syringe Suction Pump with Long Hose and Extension Tubes Automotive Fluid Transfer Pump for Oil Brake Fluid Coolant Gear Oil Cars Boats Lawn Mower
HORUSDY$16.8724 rev

60mL Plastic Syringe for Liquid - 3 Pack Large Syringes with Adapter for Scientific Labs Feeding Oil Filling Individually Wrapped
BHOWISK$7.13179 rev

wdcfxy Brake Bleed Kit Fluid Bleeder Pressure Motorcycle Hydraulic Disc Clutches Oil Bleeding Extractor Reverse Bleeder Tool 100ml Syringe 50cm/19.69Inch Hose Universal Motorbike Scooter Maintenance
wdcfxy$9.1926 rev

HORUSDY 200cc Fluid Extractor Syringe Oil Pump Fluid Evacuator with 23 Flexible Hose 12 Fine & Coarse Hoses for Automotive Motorcycle Marine & Equipment Maintenance (9PCS)
HORUSDY$10.04151 rev

200CC Automotive Fluid Extractor Syringe Pump with Long Hose and Extension Tubes Oil Extractor Fluid Pump Oil Evacuator and Dispenser Pump for Engine Oil ATF Coolant Brake & Power Steering Fluids
SEDY$9.72139 rev
Trending
90-day click momentum
500CC Fluid Extractor and Fill Pump Manual Oil Syringe Suction Pump with Long Hose and Extension Tubes Automotive Fluid Transfer Pump for Oil Brake Fluid Coolant Gear Oil Cars Boats Lawn Mower
HORUSDY$16.874.7★

60mL Plastic Syringe for Liquid - 3 Pack Large Syringes with Adapter for Scientific Labs Feeding Oil Filling Individually Wrapped
BHOWISK$7.134.5★

wdcfxy Brake Bleed Kit Fluid Bleeder Pressure Motorcycle Hydraulic Disc Clutches Oil Bleeding Extractor Reverse Bleeder Tool 100ml Syringe 50cm/19.69Inch Hose Universal Motorbike Scooter Maintenance
wdcfxy$9.194.3★

4Pack 150ml Large Syringe for Liquid - Big Plastic Syringes for Thick Liquids Giant without Needle Syringe for Paint Fluid Irrigation Water Feeding Food Equine ( 4Pcs 150 ml )
Foosi$10.024.7★

200CC Automotive Fluid Extractor Syringe Pump with Long Hose and Extension Tubes Oil Extractor Fluid Pump Oil Evacuator and Dispenser Pump for Engine Oil ATF Coolant Brake & Power Steering Fluids
SEDY$9.724.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +6.3% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to clean”
“Work perfect”
“As advertised”
“Excellent value”
“Great for dealing with lawnmower oil”
“tubing are easy to clean”
“does not leak”
“Perfect size”
“Good pump”
What buyers complain about
“This means fluid will leak”
“Very large”
“Does not work well”
“Too hard to use”
“Low quality”
“Hardly any suction”
“Not real effective getting excessive oil via dipstick opening”
“Broke on first use”
“it just made a mess”
“It is very expensive”