underbody tool boxes
Worth a lookShows a fragmented shelf (top 5 take 26% of clicks), but prices mostly outside the sweet spot ($69.51–$1066.47) keeps it on the watch list.
Competition
Great26%top-5 click share — an open shelf
Review moat
Great254.33avg incumbent reviews — the moat a new listing must climb
Returns
Great1.9%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good69%top-5 brand share — brands hold most of the demand
Market size
Good$376K$376K/yr · 206K searches
Avg price
Okay$243.75avg listing price — sweet spot $15–$100
Growth
Bad-3.4%90-day search growth — must beat 0% to launch
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Price range
Bad$69.51–$1066.47cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, underbody tool boxes is a $376K/yr Amazon United States market (206K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Mar. Verdict: Worth a look — 52/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
underbody tool boxes market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $366K–$488K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #873
- Page quality
- 0%
- Prime
- 49%
- Sponsored
- 93%
- Out of stock
- 5.1%
- Avg brand age
- 44 months
- Avg seller age
- 177 days
Competition & brand share
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.Brands
29 rising
Sellers
104
Top-5 brand share
69%
Top 20: 94%
Top-5 click share
26%
Top 20: 56%
Open market
27%
- Buyers Products Company23%
- VEVOR18%
- Weetron18%
- confote6%
- FORWODE5%
- Vigorighter4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.4% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 1.8×
Top underbody tool boxes search terms
- underbody tool boxes47K/yr
- buyers tool box29K/yr
- flatbed tool box25K/yr
- under body tool box for truck17K/yr
- underbody tool box17K/yr
- underbody truck tool box8K/yr
- underbody truck box16K/yr
- under bed tool box7K/yr
- underbody toolbox6K/yr
- buyers underbody tool box7K/yr
Top underbody tool boxes products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Weetron 48 Inch Underbody Tool Box Heavy Duty Underbody Truck Tool Box w/T-Handle Latch and keys for Pickup Truck Utility Tractor RV Waterproof Tool Chest For Storage & Organization-48 12 14 inch
Weetron$178.884.1★54 rev

VEVOR Underbody Truck Box 361416 Pickup Storage Box Heavy Duty Aluminum Diamond Plate Tool Box with Lock and Keys Waterproof Trailer Storage Box with T-Handle Latch for Truck Van Trailer
VEVOR$126.074.5★587 rev

Buyers Products 1702310 Black Steel Underbody Truck Tool Box 18 x 18 x 48 Inch - Truck Bed & Underbelly RV Storage Box Locking T-Latch Weather-Resistant Heavy-Duty Flatbed Job Box Made in USA
Buyers Products Company$430.654.3★1,407 rev

FORWODE 36x17x18 Inch Underbody Truck Tool Box Aluminum Trailer Tool Box with Lock & Foldable T-Handle Waterproof Truck Storage Box for Pickup Truck Trailer RV ATV IndoorBLACK
FORWODE$174.114.2★183 rev

VEVOR Underbody Truck Box 481718 Pickup Storage Box Heavy Duty Aluminum Diamond Plate Tool Box with Lock and Keys Waterproof Trailer Storage Box with T-Handle Latch for Truck Van Trailer
VEVOR$210.784.5★587 rev
Newest
by launch date
KING CHAO FOO Steel Underbody Truck Tool Box 36 Inch Heavy-Duty Job Box Heavy Duty Storage Box with Lock and Keys for Truck Pickup Trailers Van RV Black Power coating Best gift for family and friend
KING CHAO FOO$156.0715 rev

VEVOR Underbody Truck Tool Box 27 x 10 x 10 Inch Heavy Duty Steel Trailer Storage Box with Lock & Keys Waterproof Trailer Storage Organizer Under Body Chest with T-Handle for Truck Van SUV Black
VEVOR$84.7012 rev

VEVOR Underbody Truck Tool Box 18 x 12 x 14 Inch Heavy Duty Steel Trailer Storage Box with Lock & Keys Waterproof Trailer Storage Organizer Under Body Chest with T-Handle for Truck Van SUV Black
VEVOR$78.1112 rev

Weetron 48 Inch Underbody Tool Boxes Set of 2 Underbody Truck Box w/T-Handle Latch and keys for Pickup Truck Utility Tractor RV Waterproof Tool Chest For Storage & Organization-48 12 14 inch
Weetron$345.623 rev

EliteEdge Black Steel Underbody Truck Tool Box for Pickup RV Toolbox Truck Bed Toolboxes Heavy Duty Waterproof Truck Chest with Lock 36 x 14 x 16 Inch
EliteEdge$142.597 rev
Trending
90-day click momentum
VEVOR Underbody Truck Tool Box 27 x 10 x 10 Inch Heavy Duty Steel Trailer Storage Box with Lock & Keys Waterproof Trailer Storage Organizer Under Body Chest with T-Handle for Truck Van SUV Black
VEVOR$84.704.5★

VEVOR Underbody Truck Tool Box 18 x 12 x 14 Inch Heavy Duty Steel Trailer Storage Box with Lock & Keys Waterproof Trailer Storage Organizer Under Body Chest with T-Handle for Truck Van SUV Black
VEVOR$78.114.5★

Weetron 48 Inch Underbody Tool Boxes Set of 2 Underbody Truck Box w/T-Handle Latch and keys for Pickup Truck Utility Tractor RV Waterproof Tool Chest For Storage & Organization-48 12 14 inch
Weetron$345.624.6★

EliteEdge Black Steel Underbody Truck Tool Box for Pickup RV Toolbox Truck Bed Toolboxes Heavy Duty Waterproof Truck Chest with Lock 36 x 14 x 16 Inch
EliteEdge$142.594.4★

Confote Black Steel Underbody Truck Tool Box with T-Handle Lock Heavy Duty Truck Storage Organizer - Waterproof 36x 12x 14 inch
confote$165.264.2★
What buyers say about underbody tool boxes
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect for what I am building”
“Worth it”
“Good fit”
“Heavy toolbox, strong and spacious”
“Does the job”
“durable”
“it makes the box pretty lightweight”
“Well constructed”
“Also made in the USA”
“Heavy duty”
What buyers complain about
“Poor Quality”
“Also EXTREMELY fragile”
“Didnt hold water out like it should, rusted and locked malfunction”
“Very thin”
“The details of the dimensions do not indicate the size of the opening”
“Leaks”
“NO waterproof seal”
“Even though they are steel they will dent”
“False information”
“Now know why it was so cheap”
Top return reasons
Common questions
- Is underbody tool boxes profitable to sell on Amazon United States?
- The niche generates $376K/yr across 76 tracked products. 8 of 19 products launched in the last 360 days are still selling. 90-day search growth is -3.4%. Flapen's verdict: Worth a look (52/100).
- How competitive is the underbody tool boxes niche?
- 29 brands and 104 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in underbody tool boxes?
- Top complaints mined from reviews: Quality-Overall, Strength, Rusts/Corrodes. The return rate is 1.9%.
- When does demand for underbody tool boxes peak?
- Demand peaks in Mar; the busiest month runs 1.8× the quietest.
- What does it cost to enter the underbody tool boxes niche?
- Listings span $69.51–$1066.47; the average listing price is $243.75 (sweet spot $15–$100). The average incumbent carries 254 reviews — the moat a new listing must climb.