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
Returns
Okay4.0%return rate — above 6% kills the launch gate
Market size
Okay$202K$202K/yr · 115K searches
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Growth
Okay+5.3%90-day search growth — must beat 0% to launch
Competition
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%
Open market
36%
- Pomunty21%
- Master Lock10%
- CAMJOKE10%
- Proven Industries9%
- MILBOPAX8%
- Siasky5%
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 55 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
Zeallock Heavy-Duty Puck Lock with Hidden Shackle Aluminum Padlock with Solid Brass Cylinder for Trailer Lock Van Storage Shed Truck(Red 2 Packs)
Zeallock$49.6311 rev
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
Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Silver
Vehiclex$37.3187 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/Silver/Blue/Red 4 Pack 12 Keys)
MILBOPAX$63.5399 rev
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Red 2 Pack 6 Keys)
MILBOPAX$35.8199 rev
Trending
90-day click momentumZeallock Heavy-Duty Puck Lock with Hidden Shackle Aluminum Padlock with Solid Brass Cylinder for Trailer Lock Van Storage Shed Truck(Red 2 Packs)
Zeallock$49.633.2★
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$37.123.7★
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★
Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Silver
Vehiclex$37.313.7★
Trailer Door Lock Keyed Alike Puck Locks for Trailers Vans & Sheds Push-to-Lock Mechanism Hidden Shackle Design Heavy-Duty Enclosed Trailer Locks (Black 3 Pack 9 Keys)
MILBOPAX$52.744.0★
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×
Reviews
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”