---
title: "trailer door lock — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/trailer-door-lock"
last_updated: "2026-07-14T00:20:57.046Z"
locale: en
meta:
  description: "trailer door lock shows a sweet-spot price point ($56.08 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "trailer door lock shows a sweet-spot price point ($56.08 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "trailer door lock — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **trailer door lock**

**Worth a look**

Shows a sweet-spot price point ($56.08 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 40Growth 32Conversion 39Competition 85Returns 42Price range 48Avg price 91Brand share 76Review moat 49Quality gap 75

**Avg price**

**Great****$56.08**

avg listing price — sweet spot $15–$100

**Competition**

**Great****30%**

top-5 click share — an open shelf

**Brand share**

**Great****59%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****1,593.15**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****$9.09–$186.45**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Returns**

**Okay****4.0%**

return rate — above 6% kills the launch gate

**Market size**

**Okay****$202K**

$202K/yr · 115K searches

**Conversion**

**Okay****3.1%**

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.

0%3%$6K6%$12K9%$18K12%$24K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 55 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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)](https://m.media-amazon.com/images/I/41J-mWUtKRL.jpg)**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**$22.39**4.7★502 rev](https://www.amazon.com/dp/B0DP6SDK1P) [2![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](https://m.media-amazon.com/images/I/41FAOXO1pmL.jpg)**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**$49.78**4.0★226 rev](https://www.amazon.com/dp/B0FFSPLFNN) [3![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](https://m.media-amazon.com/images/I/31cH6NVnZiL.jpg)**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**$33.64**4.0★226 rev](https://www.amazon.com/dp/B0DRL5VPGC) [4![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](https://m.media-amazon.com/images/I/41IkdqHrJ7L.jpg)**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**$21.57**4.5★1,132 rev](https://www.amazon.com/dp/B0CG3FF2N4) [5![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](https://m.media-amazon.com/images/I/41e9sX7uvUL.jpg)**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**$52.37**4.2★100 rev](https://www.amazon.com/dp/B0FFN1DYBM)

**~~View all top sellers →~~**

### **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)](https://m.media-amazon.com/images/I/41XkV7gRoWL.jpg)**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**$49.63**11 rev5mo ago](https://www.amazon.com/dp/B0GKTR9Y58) [![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](https://m.media-amazon.com/images/I/41SItc9d8EL.jpg)**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**$37.12**87 rev5mo ago](https://www.amazon.com/dp/B0GGTJMHQM) [![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](https://m.media-amazon.com/images/I/31ZUoAhjz+L.jpg)**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**$37.31**87 rev5mo ago](https://www.amazon.com/dp/B0GGTTJ9W7) [![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)](https://m.media-amazon.com/images/I/41Phnj4S8JL.jpg)**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**$63.53**99 rev6mo ago](https://www.amazon.com/dp/B0GCCXR2QW) [![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)](https://m.media-amazon.com/images/I/41nRx7I6kOL.jpg)**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**$35.81**99 rev6mo ago](https://www.amazon.com/dp/B0GBXM42X5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Zeallock Heavy-Duty Puck Lock with Hidden Shackle Aluminum Padlock with Solid Brass Cylinder for Trailer Lock Van Storage Shed Truck(Red 2 Packs)](https://m.media-amazon.com/images/I/41XkV7gRoWL.jpg)**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**$49.63**3.2★**▲ 257%**](https://www.amazon.com/dp/B0GKTR9Y58) [![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](https://m.media-amazon.com/images/I/41SItc9d8EL.jpg)**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**$37.12**3.7★**▲ 241%**](https://www.amazon.com/dp/B0GGTJMHQM) [![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)](https://m.media-amazon.com/images/I/41+deY8dE3L.jpg)**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**$52.81**4.0★**▲ 229%**](https://www.amazon.com/dp/B0FXGKQ3SL) [![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](https://m.media-amazon.com/images/I/31ZUoAhjz+L.jpg)**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**$37.31**3.7★**▲ 214%**](https://www.amazon.com/dp/B0GGTTJ9W7) [![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)](https://m.media-amazon.com/images/I/41IsvHlFDHL.jpg)**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**$52.74**4.0★**▲ 200%**](https://www.amazon.com/dp/B0FXGL4F4V)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +5.3% search growth over the last 90 days.

5K3KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 1.8×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Assembly/Installation**22%

*“EASY INSTALL”*

**Quality-Overall**15%

*“Solid quality”*

**Locking Mechanism**14%

*“The locking mechanism works smoothly”*

**Size-Overall**11%

*“the fit is secure”*

**Value For Money**5%

*“Excellent Value”*

**Strength**4%

*“is solid built”*

**Advertised Vs Actual Product**4%

*“As advertised”*

**Ease Of Use**4%

*“Ease of use”*

**Efficiency**3%

*“It does work”*

**Durability**2%

*“Very durable materials”*

### **What buyers complain about **

**Locking Mechanism**15%

*“Won't lock”*

**Size-Overall**12%

*“do not fit”*

**Quality-Overall**10%

*“Disappointed in the quality”*

**Durability**10%

*“easily broke”*

**Value For Money**3%

*“Not worth the price”*

**Functionality-Overall**3%

*“Defective functionality”*

**Advertised Vs Actual Product**3%

*“FALSE ADVERTISING”*

**Ease Of Use**3%

*“Very hard to get open sometimes”*

**Assembly/Installation**3%

*“Horrible installation”*

**Compatibility-Overall**2%

*“Didn't work with my unit”*

### **Top return reasons **

**Size-Overall**56%

**Compatibility-Overall**11%

**Locking Mechanism**7%

**Advertised Vs Actual Product**5%

**Functionality-Overall**4%

**Mechanism Issues**3%

**Value For Money**2%

**Defective Material/Parts**2%

**Product Condition**1%

**Assembly/Installation**1%