def pump
Worth a lookShows a thin review moat (23 avg reviews), but prices mostly outside the sweet spot ($30.53–$1401.02) keeps it on the watch list.
Review moat
Incredible23.3avg incumbent reviews — the moat a new listing must climb
Brand share
Great56%top-5 brand share — no brand owns this niche
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$397K$397K/yr · 41K searches
Returns
Good2.9%return rate — above 6% kills the launch gate
Conversion
Good4.0%search→purchase rate — share of searches ending in a sale
Avg price
Okay$240.31avg listing price — sweet spot $15–$100
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
Price range
Bad$30.53–$1401.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
27 rising
Sellers
59
Top-5 brand share
56%
Open market
41%
- YGHGAUH31%
- Pumpoasis9%
- Fill-Rite7%
- TERA PUMP5%
- Lonsge4%
- Orvexa4%
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 40 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Electric Drum Barrel Pump with 120V AC/12V DC Power 55 Gallon Drum Pump with Built-in 2-Inch Bung Adapter 5 Gallons Per Minute Flow Rate for DEF Diesel Water Antifreeze
YGHGAUH$210.774.1★28 rev
AC 110V-120V Diesel Exhaust Fluid Transfer Pump Self-Priming Electric Diaphragm DEF Pump for Urea Oil Water & Irrigation.Diaphragm Pumps with 400W 10.6 GPM 36ft LiftWhite
YGHGAUH$147.174.3★10 rev
AC 110V-120V DEF Transfer Pump Kit. 400W 10.6 GPM (40 LPM) 23 PSI DEF Pump Kit Compatible with U.S. Plug. Includes Urea Gun K24 Flowmeter & AccessoriesWhite
YGHGAUH$371.955.0★5 rev
Fill-Rite FRHP32V Hand Operated Diesel Exhaust Fluid (DEF) Transfer Pump
Fill-Rite$116.134.3★55 rev
TERA PUMP Electric Powered 55 Gallon Drum Barrel Pump 2.4GPM
TERA PUMP$194.643.8★28 rev
Newest
by launch date
Electric Drum Barrel Pump with 120V AC/12V DC Power DEF 55 Gallon Drum Pump with 2-Inch Bung Adapter & Telescoping Suction Tube 34 to 49 5 GPM Flow Rate for DEF Diesel Water Antifreeze
zolaola$166.122 rev
LUBEFLEX 55 Gallon Drum Pump Manual Lever Action DEF Transfer Pump Heavy Duty Barrel Pump for DEF Fits 1555 Gallon Drums
LUBEFLEX$89.940 rev
Orvexa AC 110V-120V DEF Transfer Pump Kit with US Plug High-Flow Self-Priming DEF Pump for Diesel Exhaust Fluid Transfer Compatible with Drums Totes and Wall Mounting Includes Premium Accessories
Orvexa$339.941 rev
110-120V DEF Transfer Pump Self-Priming Electric Diaphragm Drum Pump for Diesel Exhaust Fluid Urea Oil & Water 10.6 GPM High Flow 400W Motor 36 ft Lift US Plug
Orvexa$130.562 rev
KONA TOOLS DEF Narrow Outlet Battery-Powered Pump (3.2 GPM)
KONA TOOLS$36.0523 rev
Trending
90-day click momentumOrvexa AC 110V-120V DEF Transfer Pump Kit with US Plug High-Flow Self-Priming DEF Pump for Diesel Exhaust Fluid Transfer Compatible with Drums Totes and Wall Mounting Includes Premium Accessories
Orvexa$339.945.0★
Electric Drum Barrel Pump with 120V AC/12V DC Power DEF 55 Gallon Drum Pump with 2-Inch Bung Adapter & Telescoping Suction Tube 34 to 49 5 GPM Flow Rate for DEF Diesel Water Antifreeze
zolaola$166.123.0★
KONA TOOLS DEF Narrow Outlet Battery-Powered Pump (3.2 GPM)
KONA TOOLS$36.054.3★
110-120V DEF Transfer Pump Self-Priming Electric Diaphragm Drum Pump for Diesel Exhaust Fluid Urea Oil & Water 10.6 GPM High Flow 400W Motor 36 ft Lift US Plug
Orvexa$130.565.0★
Electric Drum Barrel Pump 110V-240V AC/ 12V DC Power 55 Gallon Electric Transfer Pumps with 2-Inch Bung Adapter 5 GPM Flow Rate Suitable for DEF Diesel Water Antifreeze
Uotnam$178.214.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“the hose feels like good quality”
“This fuel pump works great”
“Make life easy”
“Good price”
“Works as should”
“Easy assembly”
“Direct fit”
“Durable and works well”
“A pump makes it a lot easier”
“battery pack as the power method”
What buyers complain about
“Broke quickly”
“it wont pump at all”
“Only downside is it feels a little cheap”
“Larger orings”
“May leak due to smaller line connection than original”
“The price is a bit high, at $165,”
“Brittle plastic, breaks easily”
“nozzle stopped working”
“Went through the hassle of changing the pump and it lasted maybe 5 minutes, starting making wacky noises, then quit”
“It smells like carpet cleaner”