trailer door lock
Worth a lookShows a sweet-spot price point ($56.08 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$56.08avg listing price — sweet spot $15–$100
Competition
Great30%top-5 click share — an open shelf
Brand share
Great59%top-5 brand share — no brand owns this niche
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Okay1,593.15avg incumbent reviews — the moat a new listing must climb
Price range
Okay$9.09–$186.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$202K$202K/yr · 115K searches
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Returns
Okay4.0%return rate — above 5% kills the launch gate
Growth
Okay+5.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, trailer door lock is a $202K/yr Amazon United States market (115K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Mar. Verdict: Worth a look — 56/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
trailer door lock market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $224K–$280K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #110
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 95%
- Out of stock
- 1.1%
- Avg brand age
- 42 months
- Avg seller age
- 163 days
Competition & brand share
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.Brands
29 falling
Sellers
77
Top-5 brand share
59%
Top 20: 95%
Top-5 click share
30%
Top 20: 69%
Open market
36%
- Pomunty21%
- Master Lock10%
- CAMJOKE10%
- Proven Industries9%
- MILBOPAX8%
- Siasky5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +5.3% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 1.8×
Top trailer door lock search terms
- trailer door lock54K/yr
- enclosed trailer locks15K/yr
- trailer door locks14K/yr
- enclosed trailer door lock9K/yr
- cargo trailer door lock7K/yr
- cargo trailer locks6K/yr
- trailer locks for doors6K/yr
- enclosed trailer lock4K/yr
Top trailer door lock 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
RV Door Lock for Travel Trailers with Paddle Deadbolt Camper Entry Door Latch RV Lock Replacement Kit with 4 Keys for Cargo Hauler Horse Trailer Truck (1 Lock 4 Keys)
CAMJOKE$22.394.7★502 rev
Pomunty 3 Pack Puck Locks for Trailers Keyed Alike 2-7/8 Hidden Shackle Padlocks Heavy Duty Solid Steel Trailer Door Lock W/6 Keys High Security Anti Theft Van Door Lock for Trucks Shed
Pomunty$49.784.0★226 rev
Pomunty 2 Pack Trailer Door Locks Keyed Alike Heavy Duty Hockey Puck Locks Reinforced Hidden Shackle Padlocks w/4 Keys Solid Steel Lock for Trailers Trucks Vans Shed Gates Garage
Pomunty$33.644.0★226 rev
Siasky Black RV Door Lock Replacement Upgraded RV Door Latch with Paddle Deadbolt 4 Keys Camper Door Lock for Travel Trailers Horse Cargo Hauler Zinc Alloy Trailer Entry Door Latch Replacement
Siasky$21.574.5★1,132 rev
Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys
Pomunty$52.374.2★100 rev
Newest
by launch date
Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red
Vehiclex$37.1287 rev
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Black 2 Pack 6 Keys)
MILBOPAX$36.6899 rev
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Blue 3 Pack 9 Keys)
MILBOPAX$52.8199 rev
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Blue 2 Pack 6 Keys)
MILBOPAX$36.7999 rev
Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys
Pomunty$52.49100 rev
Trending
90-day click momentumVehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red
Vehiclex$37.123.7★
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Blue 3 Pack 9 Keys)
MILBOPAX$52.814.0★
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Black 2 Pack 6 Keys)
MILBOPAX$36.684.0★
Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys
Pomunty$52.494.2★
Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys
Pomunty$52.374.2★
What buyers say about trailer door lock
What buyers praise and complain about, mined from review topics.What buyers love
“EASY INSTALL”
“Solid quality”
“The locking mechanism works smoothly”
“the fit is secure”
“Excellent Value”
“is solid built”
“As advertised”
“Ease of use”
“It does work”
“Very durable materials”
What buyers complain about
“Won't lock”
“do not fit”
“Disappointed in the quality”
“easily broke”
“Not worth the price”
“Defective functionality”
“FALSE ADVERTISING”
“Very hard to get open sometimes”
“Horrible installation”
“Didn't work with my unit”
Top return reasons
Common questions
- Is trailer door lock profitable to sell on Amazon United States?
- The niche generates $202K/yr across 55 tracked products. 1 of 16 products launched in the last 360 days are still selling. 90-day search growth is +5.3%. Flapen's verdict: Worth a look (56/100).
- How competitive is the trailer door lock niche?
- 29 brands and 77 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 59% of demand.
- What do buyers complain about in trailer door lock?
- Top complaints mined from reviews: Locking Mechanism, Size-Overall, Quality-Overall. The return rate is 4.0%.
- When does demand for trailer door lock peak?
- Demand peaks in Mar; the busiest month runs 1.8× the quietest.
- What does it cost to enter the trailer door lock niche?
- Listings span $9.09–$186.45; the average listing price is $56.08 (sweet spot $15–$100). The average incumbent carries 1,593 reviews — the moat a new listing must climb.