Def Pump
MaybeThe average product has only 23 reviews. But prices span $30.53–$1401.02, mostly outside the sweet spot, so Def Pump is a Maybe.
- Flapen Score
- 54 / 100Top 26% of 7,287 Automotive niches · +5 vs the category median of 4954
- Market size
- $397K/yr41K searches / yr
- 90-day growth
- -5.8%search demand this quarter
- Competition
- 43%top-5 click share · 27 brands · 59 sellers
Flapen Score
Def Pump against its category
The dotted line is the Automotive average. Past it, Def Pump is stronger. Inside it, weaker.
Market
The Def Pump market on Amazon at a glance
Shoppers on Amazon United States searched for Def Pump 41K times last year and spent an estimated $397K. The top 5 brands take 56% of clicks. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 4.0% of those searches ended in a purchase.
Shoppers searched for this 41K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.0% of those searches ended in a purchase. Searches in the last 90 days moved -5.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $397K a year.
- Searches, last 12 months
- 41K
- Growth, 90 days vs prior 90
- -5.8%
- Conversion, latest week
- 4.0%
- Market size, estimated
- $397Ka year
- Peak month
- September1.4× the quietest month
- Top search term
- def pump23K searches a year
02 · Price
A sale here is worth $240.31.
Listings sell for $240.31 on average, from $30.53 to $1401.02. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At $240.31 that is $0 to $24K a year per listing.
- Average price
- $240.31above the $15 to $100 sweet spot
- Price range
- $30.53–$1401.02
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$24K
- Returns
- 2.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
95% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 4.6% of listings are out of stock. The average listing ranks #222 within Garage & Shop. It carries 23 reviews at 4.37 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 95%
- Prime listings
- 93%
- Out of stock, average day
- 4.6%
- Average rank
- #222in Garage & Shop
- Average rating
- 4.37 starsAmazon United States average 4.42 stars
- Average reviews
- 23per listing
- Listings tracked
- 40
04 · Newcomers
7 of last year's 14 launches cleared the first-year sales bar.
14 products launched here in the last 12 months. 7 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 37 months on average, so the names here are settling in.
- Launched, last 12 months
- 14
- Successful launches
- 7Amazon's first-year sales bar
- Average brand age
- 37 months
Products
Top Def Pump products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 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
- Price
- $210.77
- Rating
- 4.1/5
- Reviews
- 28
- Age
- 1y ago

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
- Price
- $147.17
- Rating
- 4.3/5
- Reviews
- 10
- Age
- 1y ago

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
- Price
- $371.95
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 1y ago

Fill-Rite FRHP32V Hand Operated Diesel Exhaust Fluid (DEF) Transfer Pump
- Price
- $116.13
- Rating
- 4.3/5
- Reviews
- 55
- Age
- 14y ago

TERA PUMP Electric Powered 55 Gallon Drum Barrel Pump 2.4GPM
- Price
- $194.64
- Rating
- 3.8/5
- Reviews
- 28
- Age
- 1y ago
Trending
estimated 90-day click momentum
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
- Price
- $339.94
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

KONA TOOLS DEF Narrow Outlet Battery-Powered Pump (3.2 GPM)
- Price
- $36.05
- Rating
- 4.3/5
- Reviews
- 23
- Age
- 6mo ago

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
- Price
- $130.56
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 6mo ago

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
- Price
- $178.21
- Rating
- 4.9/5
- Reviews
- 12
- Age
- 10mo ago

Upgraded AC 110V-120V DEF Transfer Pump Kit High-Flow Self-Priming DEF Pump with US Plug Compatible with Drums/Totes/Wall Mounts Corrosion-Resistant Includes All Premium Accessories
- Price
- $333.06
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 11mo ago
Newest
by launch date
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
- Price
- $339.94
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

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
- Price
- $130.56
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 6mo ago

KONA TOOLS DEF Narrow Outlet Battery-Powered Pump (3.2 GPM)
- Price
- $36.05
- Rating
- 4.3/5
- Reviews
- 23
- Age
- 6mo ago

PAMBER Electric Drum Pump with 120V AC/12V DC Power 33.5-49 Telescopic Suction Tube Drum Barrel Pump with Swivel Nut Nozzle 5 Gallons/mins Max Flow Rate for DEF Diesel Water etc.
- Price
- $193.75
- Rating
- 4.1/5
- Reviews
- 14
- Age
- 9mo ago

Electric Drum Pump with120V AC/12V DC Power 55 Gallon Drum Pump Electric Built-in 2-Inch Bung Adapter 5 GPM Flow Rate Telescoping Suction Tube 34 to 49 Suitable for Diesel DEF Water Antifreeze
- Price
- $186.14
- Rating
- 4.6/5
- Reviews
- 6
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.
Brands
27 rising
Sellers
59
Est. top-5 brand share
56%
Top 20: 94%
Est. top-5 click share
43%
Top 20: 79%
Open market
41%
- YGHGAUH31%
- Pumpoasis9%
- Fill-Rite7%
- TERA PUMP5%
- Lonsge4%
- Orvexa4%
Demand
Def Pump search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Def Pump search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- def pump23K/yr
- def pump 55 gallon drum6K/yr
- def transfer pump5K/yr
- def pump for tote3K/yr
- def fluid pump3K/yr
Reviews and returns
What reviews say buyers love and hate about Def Pump
We read the reviews and the return reasons for every product selling here.
“Broke quickly”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Def Pump questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









