auxiliary fuel tank diesel truck
Worth a lookShows a thin review moat (49 avg reviews), but pricing outside the sweet spot ($805.64 avg) keeps it on the watch list.
Review moat
Incredible49.14avg incumbent reviews — the moat a new listing must climb
Competition
Incredible19%top-5 click share — an open shelf
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Returns
Great1.6%return rate — above 6% kills the launch gate
Brand share
Good62%top-5 brand share — brands hold most of the demand
Market size
Okay$112K$112K/yr · 82K searches
Growth
Okay+0.2%90-day search growth — must beat 0% to launch
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
Avg price
Bad$805.64avg listing price — sweet spot $15–$100
Price range
Bad$161.45–$2150.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.Brands
35 flat
Sellers
105
Top-5 brand share
62%
Open market
34%
- DEE ZEE21%
- VEVOR18%
- RDS MFG INC11%
- Better Built6%
- Wolive6%
- LAPPPLSP4%
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 105 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VEVOR Portable Diesel Tank 116 Gallon Black
VEVOR$749.104.3★152 rev

Dee Zee DZ91753SB (106 gallon) Rectangle Transfer Tank - Black Steel
DEE ZEE$735.033.9★32 rev

Dee Zee DZ92556NSB Transfer Tank
DEE ZEE$522.464.4★183 rev

Better Built 29211677 Transfer Tank
Better Built$682.913.1★17 rev

Dee Zee DZ92647SB (92 gallon) Black Steel Combo Transfer Tank & Tool Box
DEE ZEE$1200.754.0★72 rev
Newest
by launch date
Garvee Fuel Transfer Tank with Pump 30 Gallon Fuel Caddy Gas Storage Tank Gasoline Diesel Fuel Tank for Cars Lawn Mowers ATVs Boats More Orange
Garvee$161.4522 rev

60 Gallon Aluminum Fuel Transfer Tank Toolbox Combo with 12 GPM Pump Truck Bed Fuel Transfer Tank for Gasoline Diesel with Side Tool Storage Box
Vigorighter$913.556 rev

128 Gallon Portable Diesel & Gasoline Transfer Tank 12V Electric Pump 10 GPM 13.1Ft Hose Auto Nozzle Heavy-Duty HDPE for Truck Farm & Construction Gray
SierraSquad$870.330 rev

Portable 50 Gallon Diesel Fuel Transfer Tank with 12V Electric Pump 15ft Hose 11.9 GPM Flow Rate
Wolive$467.171 rev

Portable Diesel Fuel Transfer Tank 50 Gallon with 12V Electric Pump 11.9 GPM 15ft Hose Auto Nozzle and Shutdown
Wolive$469.020 rev
Trending
90-day click momentum
Garvee Fuel Transfer Tank with Pump 30 Gallon Fuel Caddy Gas Storage Tank Gasoline Diesel Fuel Tank for Cars Lawn Mowers ATVs Boats More Orange
Garvee$161.454.4★

128 Gallon Portable Diesel & Gasoline Transfer Tank 12V Electric Pump 10 GPM 13.1Ft Hose Auto Nozzle Heavy-Duty HDPE for Truck Farm & Construction Gray
SierraSquad$870.330.0★

60 Gallon Aluminum Fuel Transfer Tank Toolbox Combo with 12 GPM Pump Truck Bed Fuel Transfer Tank for Gasoline Diesel with Side Tool Storage Box
Vigorighter$913.553.8★

Portable 50 Gallon Diesel Fuel Transfer Tank with 12V Electric Pump 15ft Hose 11.9 GPM Flow Rate
Wolive$467.175.0★

50 Gallon Portable Storage Caddy with Manual Transfer Pump Heavy-Duty Wheeled Tank for for Cars Trucks Boats Lawn Mowers Use Durable Four-Wheel Design + Visible Level Gauge - Black
ExploreHorizon$259.931.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.2% 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
“Excellent product”
“works as advertised”
“Great fuel pump”
“Doesn't leak and serves my purpose”
“Best bang for your buck”
“Simple and easy to assemble”
“Easy to use”
“Perfect fit”
“Tank pretty well built”
“The plastic is durable”
What buyers complain about
“Leaks gasoline”
“Very disappointed with the quality control”
“the mounting bracket is also bent upon arrival”
“The fuel gauge would not work”
“A bit expensive”
“False advertising”
“And the dimensions are wayyy off”
“Nothing in the owners manual about this”
“super loud and annoying”
“I had to repair it”