---
title: "Trailer Locks Keyed Alike — $87K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/trailer-locks-keyed-alike"
last_updated: "2026-08-07T15:24:10.430Z"
locale: en
meta:
  description: "Niche score 49/100 · $87K/yr market · 43K searches/yr · $50.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $87K/yr market · 43K searches/yr · $50.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trailer Locks Keyed Alike — $87K/yr Amazon US Niche (2026) - Flapen"
---

# **trailer locks keyed alike**

**Skip it**

A small market ($87K/yr) — this niche doesn't clear our bar today.

Market size 22Growth 61Conversion 51Competition 54Returns 37Price range 65Avg price 93Brand share 36Review moat 49Quality gap 58

**Avg price**

**Great****$50.07**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$12.83–$144.18**

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

**Growth**

**Good****+37.3%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****53%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Good****4.1%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Okay****1,568.24**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****4.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Okay****84%**

top-5 brand share — brands hold most of the demand

**Market size**

**Bad****$87K**

$87K/yr · 43K searches

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, trailer locks keyed alike is a $87K/yr Amazon United States market (43K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 49/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **trailer locks keyed alike market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$75K–$100K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#116**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**92%**</dd>

<dt>**Sponsored**</dt><dd>**68%**</dd>

<dt>**Out of stock**</dt><dd>**4.5%**</dd>

<dt>**Avg brand age**</dt><dd>**39 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **▼falling

**Sellers**

**87**

**Top-5 brand share**

**84%**

Top 20: 100%

**Top-5 click share**

**53%**

Top 20: 95%

**Open market**

**10%**

- Master Lock27% - RETRUE26% - Rhino USA13% - METOWARE9% - REESE8% - TOPICK7% - Open — no brand owns it (5 brands, 10%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +37.3% search growth over the last 90 days.

1K750Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.0×

[**Open Trend **](https://flapen.com/research/us/automotive/trailer-locks-keyed-alike/trend)

## **Top trailer locks keyed alike search terms**

- **trailer lock set**17K/yr+34.4%2.4% conv. - **hitch lock set**6K/yr+26.7%5.7% conv. - **trailer hitch lock set**7K/yr+106.4%2.9% conv. - **trailer lock kit**6K/yr+47.0%2.4% conv. - **trailer locks keyed alike**7K/yr+3.2%1.3% conv. [**All search terms **](https://flapen.com/research/us/automotive/trailer-locks-keyed-alike/search-terms)

## **Top trailer locks keyed alike 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.

0%5%$4K10%$9K15%$13K20%$17K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![RETRUE Keyed Alike Trailer Lock Set Tow & Store Lock Kit Include Universal Coupler Lock & Dual Hitch Receiver Pin Lock & Trailer Tongue Lock Black](https://m.media-amazon.com/images/I/31oJJ3JCt4L.jpg)**RETRUE Keyed Alike Trailer Lock Set Tow & Store Lock Kit Include Universal Coupler Lock & Dual Hitch Receiver Pin Lock & Trailer Tongue Lock Black**RETRUE**$30.69**4.3★481 rev](https://www.amazon.com/dp/B0C5QD211P) [2![Rhino USA Trailer Hitch Lock Kit (for 2 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue](https://m.media-amazon.com/images/I/51nXpZiUBDL.jpg)**Rhino USA Trailer Hitch Lock Kit (for 2 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue**Rhino USA**$53.21**4.4★2,328 rev](https://www.amazon.com/dp/B098W45GM2) [3![Master Lock 3794DAT Trailer Coupler and Hitch Pin Lock Set Keyed Alike](https://m.media-amazon.com/images/I/41EveTUR2iL.jpg)**Master Lock 3794DAT Trailer Coupler and Hitch Pin Lock Set Keyed Alike**Master Lock**$59.79**4.3★947 rev](https://www.amazon.com/dp/B000VSY4HG) [4![REESE Towpower 7014700 Trailer Hitch and Coupler Combo Lock Set Fits 1-1/4 Inch & 2 Inch Square Receivers 1/2 Inch & 5/8 Inch Pin Diameter](https://m.media-amazon.com/images/I/41Du1VCORaL.jpg)**REESE Towpower 7014700 Trailer Hitch and Coupler Combo Lock Set Fits 1-1/4 Inch & 2 Inch Square Receivers 1/2 Inch & 5/8 Inch Pin Diameter**REESE**$38.82**4.5★7,064 rev](https://www.amazon.com/dp/B001IH8PXI) [5![Master Lock 3895DAT Coupler Lock and Receiver Lock Coupler Latch 1 Pack](https://m.media-amazon.com/images/I/413QD4P3gfL.jpg)**Master Lock 3895DAT Coupler Lock and Receiver Lock Coupler Latch 1 Pack**Master Lock**$53.97**4.5★1,504 rev](https://www.amazon.com/dp/B06ZY8GWRF)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![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**226 rev1y ago](https://www.amazon.com/dp/B0FFSPLFNN) [![NUOVEPE Trailer Lock Fits 2 5/16 Inch Couplers Secures Safety Chains Anti-Theft Ball Hitch Lock Pry-Resistant & Heavy-Duty Trailer Hitch Locks for RV | Cargo | Camper | Dump Trailer (Blue)](https://m.media-amazon.com/images/I/41EGYeQ4Y-L.jpg)**NUOVEPE Trailer Lock Fits 2 5/16 Inch Couplers Secures Safety Chains Anti-Theft Ball Hitch Lock Pry-Resistant & Heavy-Duty Trailer Hitch Locks for RV | Cargo | Camper | Dump Trailer (Blue)**NUOVEPE**$110.17**171 rev1y ago](https://www.amazon.com/dp/B0DFH5NMCT) [![Keyed Alike Trailer Hitch Lock Set Includes Trailer Coupler Ball Lock 1/2 Inch and 5/8 Inch Receiver Hitch Pin Lock and Trailer Coupler Tongue Lock Universal Trailer Lock Kit Share the Same 4 Keys](https://m.media-amazon.com/images/I/41-pbQvbV8L.jpg)**Keyed Alike Trailer Hitch Lock Set Includes Trailer Coupler Ball Lock 1/2 Inch and 5/8 Inch Receiver Hitch Pin Lock and Trailer Coupler Tongue Lock Universal Trailer Lock Kit Share the Same 4 Keys**TOPICK**$35.27**49 rev1y ago](https://www.amazon.com/dp/B0DQ1B41SN) [![TOPICK Keyed Alike Trailer Coupler Lock Set Trailer Lock Kit Include Universal Trailer Hitch Lock & Coupler Latch Lock Heavy-Duty Anti-Theft Protection for 1-7/8 2 2-5/16 Couplers All Black](https://m.media-amazon.com/images/I/41-oM4Sb05L.jpg)**TOPICK Keyed Alike Trailer Coupler Lock Set Trailer Lock Kit Include Universal Trailer Hitch Lock & Coupler Latch Lock Heavy-Duty Anti-Theft Protection for 1-7/8 2 2-5/16 Couplers All Black**TOPICK**$25.79**92 rev1y ago](https://www.amazon.com/dp/B0DQ1BCYJX) [![RETRUE Keyed Alike Trailer Lock Set Tow & Store Lock Kit Include Universal Coupler Lock & Dual Hitch Receiver Pin Lock & Trailer Tongue Lock Red](https://m.media-amazon.com/images/I/412hbR4wmJL.jpg)**RETRUE Keyed Alike Trailer Lock Set Tow & Store Lock Kit Include Universal Coupler Lock & Dual Hitch Receiver Pin Lock & Trailer Tongue Lock Red**RETRUE**$29.22**481 rev1y ago](https://www.amazon.com/dp/B0DFCGCTLX)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![RETRUE Keyed Alike Trailer Lock Set Tow & Store Lock Kit Include Universal Coupler Lock & Dual Hitch Receiver Pin Lock & Trailer Tongue Lock Red](https://m.media-amazon.com/images/I/412hbR4wmJL.jpg)**RETRUE Keyed Alike Trailer Lock Set Tow & Store Lock Kit Include Universal Coupler Lock & Dual Hitch Receiver Pin Lock & Trailer Tongue Lock Red**RETRUE**$29.22**4.3★**▲ 190%**](https://www.amazon.com/dp/B0DFCGCTLX) [![RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Couplers Yellow](https://m.media-amazon.com/images/I/41Bv2etW5uL.jpg)**RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Couplers Yellow**RETRUE**$12.83**4.5★**▲ 141%**](https://www.amazon.com/dp/B09XQJKJH5) [![Rhino USA Trailer Hitch Lock Kit (for 2 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue](https://m.media-amazon.com/images/I/51nXpZiUBDL.jpg)**Rhino USA Trailer Hitch Lock Kit (for 2 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue**Rhino USA**$53.21**4.4★**▲ 81%**](https://www.amazon.com/dp/B098W45GM2) [![RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Couplers Yellow Lightweight (4 Pack Keyed Alike)](https://m.media-amazon.com/images/I/41CYm9-bNsL.jpg)**RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Couplers Yellow Lightweight (4 Pack Keyed Alike)**RETRUE**$55.05**4.5★**▲ 66%**](https://www.amazon.com/dp/B0CPHWGB2Y) [![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★**▲ 62%**](https://www.amazon.com/dp/B0FFSPLFNN)

**~~View all trending →~~**

## **What buyers say about trailer locks keyed alike**

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

### **What buyers love **

**Quality-Overall**24%

*“Solid quality”*

**Size-Overall**13%

*“Fits like a GLOVE”*

**Advertised Vs Actual Product**10%

*“as advertised”*

**Ease Of Use**9%

*“Ease of use”*

**Value For Money**7%

*“Worth the money”*

**Strength**6%

*“Its built heavy duty”*

**Assembly/Installation**6%

*“Easy install”*

**Efficiency**5%

*“Works well”*

**Durability**3%

*“Easy and durable”*

**Design-Overall**3%

*“Design is good”*

### **What buyers complain about **

**Size-Overall**29%

*“TOO small had to return”*

**Quality-Overall**9%

*“Cheaply made”*

**Durability**7%

*“it broke into pieces”*

**Compatibility-Overall**5%

*“Does not fit BTex Trailer”*

**Value For Money**4%

*“Cheaper version to buy”*

**Strength**4%

*“Weak”*

**Rusts/Corrodes**4%

*“the shackle has significant rust”*

**Material Quality**3%

*“Cheap material”*

**Ease Of Use**3%

*“Such a pain”*

**Weight Heavy**2%

*“Slightly heavy”*

### **Top return reasons **

**Size-Overall**61%

**Compatibility-Overall**21%

**Mechanism Issues**3%

**Advertised Vs Actual Product**3%

**Functionality-Overall**3%

**Width**2%

**Defective Material/Parts**1%

**Value For Money**1%

**Quality-Overall**1%

**Product Condition**1%

## **Common questions**

<dl>

<dt>**Is trailer locks keyed alike profitable to sell on Amazon United States?**</dt><dd>The niche generates $87K/yr across 25 tracked products. 90-day search growth is +37.3%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the trailer locks keyed alike niche?**</dt><dd>11 brands and 87 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 84% of demand.</dd>

<dt>**What do buyers complain about in trailer locks keyed alike?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 4.0%.</dd>

<dt>**When does demand for trailer locks keyed alike peak?**</dt><dd>Demand peaks in Jul–Aug; the busiest month runs 2.0× the quietest.</dd>

<dt>**What does it cost to enter the trailer locks keyed alike niche?**</dt><dd>Listings span $12.83–$144.18; the average listing price is $50.07 (sweet spot $15–$100). The average incumbent carries 1,568 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Automotive**

- 72 [**brake bleeder kit**](https://flapen.com/research/us/automotive/brake-bleeder-kit)$2.2M/yr+8.2%**Launch it**- 72 [**gas can pump**](https://flapen.com/research/us/automotive/gas-can-pump)$1.7M/yr+20.1%**Launch it**- 72 [**dewalt hedge trimmer**](https://flapen.com/research/us/automotive/dewalt-hedge-trimmer)$1.6M/yr+158.2%**Launch it**- 72 [**iron eraser**](https://flapen.com/research/us/automotive/iron-eraser)$107K/yr>1,000%**Worth a look**- 72 [**marine fuel line**](https://flapen.com/research/us/automotive/marine-fuel-line)$198K/yr+104.3%**Worth a look**- 72 [**garden hose filter**](https://flapen.com/research/us/automotive/garden-hose-filter)$729K/yr+110.7%**Worth a look**[**All Automotive niches **](https://flapen.com/research/us/automotive)