---
title: "kingpin lock — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/kingpin-lock"
last_updated: "2026-07-09T23:48:24.949Z"
locale: en
meta:
  description: "a small market ($282K/yr) — kingpin lock doesn't clear our bar today."
  "og:description": "a small market ($282K/yr) — kingpin lock doesn't clear our bar today."
  "og:title": "kingpin lock — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
---

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# **kingpin lock**

**Skip it****43/100 **

a small market ($282K/yr) — kingpin lock doesn't clear our bar today.

**Market/yr**

**$282K**

**Growth (1y)**

**+144.0%**

**Products**

**14**

**Brands**

**11**

was 16 a year ago

**Sellers**

**20**

**Price range**

**$21.08–$235.04**

**Returns**

**1.8%**

**Rating**

**4.7★**

**Skip it**

Scored 43/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**14**

 ×0.30

Growth

**70**

 ×0.30

Competition

**32**

 ×0.20

Quality gap

**25**

 ×0.10

Returns

**85**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +144.0% year over year.

2K826.5Spike '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Competition**

- BOYISEN40% - RVMATE11% - METOWARE11% - Trimax8% - BYERNAUTO7% - CURT7% - Other (5 brands)16%

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them. 11 brands and 20 sellers compete here.

**Brands**

**11 **▼falling

was 16 a year ago

**Sellers**

**20**

**Top 5 brand share**

**77%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers with Handles Warning Tag](https://m.media-amazon.com/images/I/41Uu9+3XlaL.jpg) [**BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers with Handles Warning Tag**](https://www.amazon.com/dp/B07XD9G55J)

BOYISEN$34.564.8★3,05332%▼falling

2
![RVMATE 5th Wheel Lock Heavy Duty Steel King Pin Lock with Anti-Theft Warning Tag for 5th Wheel/Semi Trailers/RVs/Containers](https://m.media-amazon.com/images/I/41eMkZKab+L.jpg) [**RVMATE 5th Wheel Lock Heavy Duty Steel King Pin Lock with Anti-Theft Warning Tag for 5th Wheel/Semi Trailers/RVs/Containers**](https://www.amazon.com/dp/B0B635KSVY)

RVMATE$21.474.8★29211%▲rising

3
![METOWARE 5th Wheel King Pin Lock with Warning Tag for 5th Wheel RVs Semi Trailers and Campers (Black)](https://m.media-amazon.com/images/I/41kHUmKEMlL.jpg) [**METOWARE 5th Wheel King Pin Lock with Warning Tag for 5th Wheel RVs Semi Trailers and Campers (Black)**](https://www.amazon.com/dp/B0CRTX49MB)

METOWARE$21.904.5★17111%▲rising

4
![BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft for RVs Container Trailers and Campers with Handles Warning Tag 3 Keys Black](https://m.media-amazon.com/images/I/41RROhvKzRL.jpg) [**BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft for RVs Container Trailers and Campers with Handles Warning Tag 3 Keys Black**](https://www.amazon.com/dp/B0C2PJXPK8)

BOYISEN$34.344.8★3,0537%▼falling

5
![Curt 23255 Dumbbell Style King Pin Lock](https://m.media-amazon.com/images/I/31P5CozO2kL.jpg) [**Curt 23255 Dumbbell Style King Pin Lock**](https://www.amazon.com/dp/B0058TF5V2)

CURT$43.284.7★1,3677%▼falling

6
![Heavy-Duty - King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs Trailers etc | with Bright Caution Tag Deterrent and Air Freshener](https://m.media-amazon.com/images/I/41dGtKprBZL.jpg) [**Heavy-Duty - King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs Trailers etc | with Bright Caution Tag Deterrent and Air Freshener**](https://www.amazon.com/dp/B0962568KK)

Jayour$34.934.8★2846%▼falling

7
![Trimax - TFW60-5th Wheel King Pin Lock-Heavy Duty Anti-Theft Trailer Lock Rugged Alloy Construction Weatherproof Epoxy Coating Easy Installation](https://m.media-amazon.com/images/I/41hadlbxZcL.jpg) [**Trimax - TFW60-5th Wheel King Pin Lock-Heavy Duty Anti-Theft Trailer Lock Rugged Alloy Construction Weatherproof Epoxy Coating Easy Installation**](https://www.amazon.com/dp/B09DHSQD5S)

Trimax$55.284.1★1554%▼falling

8
![BYERN AUTO 5th Wheel King Pin Lock Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers (Black)](https://m.media-amazon.com/images/I/41mgmCDfyUL.jpg) [**BYERN AUTO 5th Wheel King Pin Lock Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers (Black)**](https://www.amazon.com/dp/B0DM8WWDXX)

BYERNAUTO$21.154.7★964%▼falling

9
![BYERN AUTO 5th Wheel King Pin Lock Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers (Yellow)](https://m.media-amazon.com/images/I/31ZZ4rGkPbL.jpg) [**BYERN AUTO 5th Wheel King Pin Lock Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers (Yellow)**](https://www.amazon.com/dp/B0DM8W8CKP)

BYERNAUTO$21.084.7★964%—flat

10

![Trimax - TFW80HD - 5th Wheel King Pin Lock -Heavy Duty Anti-Theft Trailer Lock Hardened Steel Weatherproof Full Collar Design Secure Lock Red](https://m.media-amazon.com/images/I/41txRHJFlEL.jpg) [**Trimax - TFW80HD - 5th Wheel King Pin Lock -Heavy Duty Anti-Theft Trailer Lock Hardened Steel Weatherproof Full Collar Design Secure Lock Red**](https://www.amazon.com/dp/B08ND21DCZ)

Trimax$86.004.6★4044%▲rising

11

![DC Cargo Mall 5th Wheel King Pin Lock Solid Steel - Weather Resistant Anti-Theft Fifth Wheel Key Lock for RV & Semi Trailers](https://m.media-amazon.com/images/I/41+AwQiOUTL.jpg) [**DC Cargo Mall 5th Wheel King Pin Lock Solid Steel - Weather Resistant Anti-Theft Fifth Wheel Key Lock for RV & Semi Trailers**](https://www.amazon.com/dp/B0BX25JZB3)

DC Cargo Mall$24.944.7★1783%—flat

12

![Equipment Lock Heavy Duty 5th Wheel King Pin Lock - Powder Coated Steel 5th Wheel Hitch Lock - Anti-Theft Tow Hitch Lock - Secure Fifth Wheel Lock for Theft Prevention & Security (Keyed Differently)](https://m.media-amazon.com/images/I/31njiY9V+iL.jpg) [**Equipment Lock Heavy Duty 5th Wheel King Pin Lock - Powder Coated Steel 5th Wheel Hitch Lock - Anti-Theft Tow Hitch Lock - Secure Fifth Wheel Lock for Theft Prevention & Security (Keyed Differently)**](https://www.amazon.com/dp/B0GQ5BGMVD)

THE EQUIPMENT LOCK COMPANY$198.364.7★93%▲rising

13

![King Pin Lock LPCVR for Fifth Wheel - Heavy Duty Anti-Theft Kingpin Lock Stainless Steel & Ductile Cast Iron by Amplock](https://m.media-amazon.com/images/I/41bjjVvaeTL.jpg) [**King Pin Lock LPCVR for Fifth Wheel - Heavy Duty Anti-Theft Kingpin Lock Stainless Steel & Ductile Cast Iron by Amplock**](https://www.amazon.com/dp/B00NUNFKBI)

AMPLock$235.044.7★1512%—flat

14

![VULCAN Heavy Duty Forged Steel King Pin Lock - Works with RVs and Class 8 Trailers](https://m.media-amazon.com/images/I/412kTj4D-wL.jpg) [**VULCAN Heavy Duty Forged Steel King Pin Lock - Works with RVs and Class 8 Trailers**](https://www.amazon.com/dp/B09YVQT9W1)

VULCAN$31.814.5★1092%▼falling

## **Product shelf**

All 14 tracked products in this niche.

Top sellersNewestTrending

[![BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers with Handles Warning Tag](https://m.media-amazon.com/images/I/41Uu9+3XlaL.jpg)**BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers with Handles Warning Tag** BOYISEN**$34.56**4.8★3,053 reviews](https://www.amazon.com/dp/B07XD9G55J) [![RVMATE 5th Wheel Lock Heavy Duty Steel King Pin Lock with Anti-Theft Warning Tag for 5th Wheel/Semi Trailers/RVs/Containers](https://m.media-amazon.com/images/I/41eMkZKab+L.jpg)**RVMATE 5th Wheel Lock Heavy Duty Steel King Pin Lock with Anti-Theft Warning Tag for 5th Wheel/Semi Trailers/RVs/Containers** RVMATE**$21.47**4.8★292 reviews](https://www.amazon.com/dp/B0B635KSVY) [![METOWARE 5th Wheel King Pin Lock with Warning Tag for 5th Wheel RVs Semi Trailers and Campers (Black)](https://m.media-amazon.com/images/I/41kHUmKEMlL.jpg)**METOWARE 5th Wheel King Pin Lock with Warning Tag for 5th Wheel RVs Semi Trailers and Campers (Black)** METOWARE**$21.90**4.5★171 reviews](https://www.amazon.com/dp/B0CRTX49MB) [![BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft for RVs Container Trailers and Campers with Handles Warning Tag 3 Keys Black](https://m.media-amazon.com/images/I/41RROhvKzRL.jpg)**BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft for RVs Container Trailers and Campers with Handles Warning Tag 3 Keys Black** BOYISEN**$34.34**4.8★3,053 reviews](https://www.amazon.com/dp/B0C2PJXPK8) [![Curt 23255 Dumbbell Style King Pin Lock](https://m.media-amazon.com/images/I/31P5CozO2kL.jpg)**Curt 23255 Dumbbell Style King Pin Lock** CURT**$43.28**4.7★1,367 reviews](https://www.amazon.com/dp/B0058TF5V2) [![Heavy-Duty - King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs Trailers etc | with Bright Caution Tag Deterrent and Air Freshener](https://m.media-amazon.com/images/I/41dGtKprBZL.jpg)**Heavy-Duty - King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs Trailers etc | with Bright Caution Tag Deterrent and Air Freshener** Jayour**$34.93**4.8★284 reviews](https://www.amazon.com/dp/B0962568KK) [![Trimax - TFW60-5th Wheel King Pin Lock-Heavy Duty Anti-Theft Trailer Lock Rugged Alloy Construction Weatherproof Epoxy Coating Easy Installation](https://m.media-amazon.com/images/I/41hadlbxZcL.jpg)**Trimax - TFW60-5th Wheel King Pin Lock-Heavy Duty Anti-Theft Trailer Lock Rugged Alloy Construction Weatherproof Epoxy Coating Easy Installation** Trimax**$55.28**4.1★155 reviews](https://www.amazon.com/dp/B09DHSQD5S) [![BYERN AUTO 5th Wheel King Pin Lock Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers (Black)](https://m.media-amazon.com/images/I/41mgmCDfyUL.jpg)**BYERN AUTO 5th Wheel King Pin Lock Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys Fifth Wheel Hitch Lock for RVs Semi Trailers and Campers (Black)** BYERNAUTO**$21.15**4.7★96 reviews](https://www.amazon.com/dp/B0DM8WWDXX)

## **Reviews**

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

### **What buyers love **

**Quality-Overall**17%

*“Excellent quality”*

**Ease Of Use**11%

*“Easy to use”*

**Efficiency**9%

*“Works perfectly”*

**Locking Mechanism**9%

*“Locking mechanism works great”*

**Advertised Vs Actual Product**9%

*“Works as advertised”*

**Size-Overall**8%

*“Fit is good”*

**Strength**8%

*“Sturdy and easy to install”*

**Color**4%

*“Yellow color reminds you that it's there”*

**Durability**4%

*“Very durable, well made”*

**Assembly/Installation**4%

*“Easy to install”*

### **What buyers complain about **

**Weight Light**14%

*“seems a little light weight”*

**Defective Material/Parts**14%

*“Broken part”*

**Color**7%

*“Recieved wrong color”*

**Durability**7%

*“One season and the pin that holds the lock into the body fell out making the unit unusable”*

**Quality-Overall**7%

*“Junk”*

**Strength**3%

*“not one of those flimsy deterrents”*

**Value For Money**2%

*“It is not the cheapest lock”*

**Advertised Vs Actual Product**2%

*“My issue is with the product listing versus what I received”*

#### **Top return reasons**- Size-Overall44% - Mechanism Issues12% - Locking Mechanism8% - Advertised Vs Actual Product8% - Compatibility-Overall7% - Functionality-Overall6% - Assembly/Installation2% - Value For Money2% - Defective Material/Parts2% - Strength1%