---
title: "Trailer Coupler Pin — $90K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/trailer-coupler-pin"
last_updated: "2026-08-09T09:34:55.380Z"
locale: en
meta:
  description: "Niche score 63/100 · $90K/yr market · 91K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 63/100 · $90K/yr market · 91K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trailer Coupler Pin — $90K/yr Amazon US Niche (2026) - Flapen"
---

# **trailer coupler pin**

**Worth a look**

Shows searches that convert (11.6% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 23Growth 82Conversion 94Competition 70Returns 91Price range 62Avg price 24Brand share 81Review moat 78Quality gap 19

**Conversion**

**Great****11.6%**

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

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Growth**

**Great****+77.1%**

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

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Review moat**

**Great****437.82**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****43%**

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

**Price range**

**Good****$1.77–$36.45**

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

**Avg price**

**Bad****$8.56**

avg listing price — sweet spot $15–$100

**Market size**

**Bad****$90K**

$90K/yr · 91K searches

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, trailer coupler pin is a $90K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 63/100.

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

## **trailer coupler pin market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**10K–13K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$86K–$107K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**11.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#62**</dd>

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

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**88%**</dd>

<dt>**Out of stock**</dt><dd>**5.3%**</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 43% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**23 **▼falling

**Sellers**

**37**

**Top-5 brand share**

**54%**

Top 20: 98%

**Top-5 click share**

**43%**

Top 20: 88%

**Open market**

**40%**

- CURT22% - Aurdeayi10% - PINAILER8% - NRJSSCC7% - yolmooat7% - HILILON6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +77.1% search growth over the last 90 days.

3K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 2.5×

[**Open Trend **](https://flapen.com/research/us/automotive/trailer-coupler-pin/trend)

## **Top trailer coupler pin search terms**

- **trailer coupler pin**26K/yr+69.0%10.0% conv. - **coupler pin**14K/yr+64.1%6.3% conv. - **trailer safety pin**10K/yr+64.0%11.3% conv. - **1/4 hitch pin**9K/yr+60.0%7.3% conv. - **trailer latch pin**9K/yr+59.6%9.9% conv. - **trailer tongue pin**7K/yr+105.3%10.8% conv. - **hitch pins 1/4**6K/yr+117.7%8.3% conv. - **trailer hitch pins 1/4 inch**2K/yr+440.4%12.0% conv. - **safety coupler pin**5K/yr+34.4%5.1% conv. - **trailer clips**3K/yr+68.5%4.2% conv. [**All search terms **](https://flapen.com/research/us/automotive/trailer-coupler-pin/search-terms)

## **Top trailer coupler pin 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%4%$4K8%$7K12%$11K16%$14K1101001K10K 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![CURT 25012 Trailer Coupler Pin with 12-Inch Chain 1/4-Inch Diameter x 2-3/4-Inch Long](https://m.media-amazon.com/images/I/41PucsTb98L.jpg)**CURT 25012 Trailer Coupler Pin with 12-Inch Chain 1/4-Inch Diameter x 2-3/4-Inch Long**CURT**$3.32**4.8★3,214 rev](https://www.amazon.com/dp/B001GN6YTG) [2![Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment](https://m.media-amazon.com/images/I/41cGC2oBZ7L.jpg)**Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment**Aurdeayi**$5.59**4.8★99 rev](https://www.amazon.com/dp/B0G1RJ2X98) [3![10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel](https://m.media-amazon.com/images/I/51Fpa4jZN5L.jpg)**10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel**NRJSSCC**$5.58**4.8★74 rev](https://www.amazon.com/dp/B0G1HKT51S) [4![5Pcs Trailer Coupler Pin 5/16x 1-3/4WxL Prevents Loss Trailer Hitch Locking Pin with Plastic Coating Tether Steel Quick Release Ring for Shaft Trailer Tongue](https://m.media-amazon.com/images/I/41W971xVIQL.jpg)**5Pcs Trailer Coupler Pin 5/16x 1-3/4WxL Prevents Loss Trailer Hitch Locking Pin with Plastic Coating Tether Steel Quick Release Ring for Shaft Trailer Tongue**HILILON**$9.74**4.8★426 rev](https://www.amazon.com/dp/B0B999BK1R) [5![YIQQPLOS 2 Pack Premium Safety Coupler Pin 1/4 x 3.15(6.3mm x 80mm) High-Quality Trailer Pin Pto Pin Shaft Locking Pin Square Wire Lock Pin for Farm Trailers Towing Lawn](https://m.media-amazon.com/images/I/31RQXnT5INL.jpg)**YIQQPLOS 2 Pack Premium Safety Coupler Pin 1/4 x 3.15(6.3mm x 80mm) High-Quality Trailer Pin Pto Pin Shaft Locking Pin Square Wire Lock Pin for Farm Trailers Towing Lawn**yiqqplos**$4.17**4.7★303 rev](https://www.amazon.com/dp/B0DHCSPYF1)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![5 Pack Square Trailer Pin 1/4 inch x 2-3/4 inch Heavy Duty Shaft Locking Pin Carbon Steel Hitch Latch Pin with Safety Wire Lock Trailer Tongue Pin for Farm Lawn Garden Towing Couplers](https://m.media-amazon.com/images/I/41qdVKOeG8L.jpg)**5 Pack Square Trailer Pin 1/4 inch x 2-3/4 inch Heavy Duty Shaft Locking Pin Carbon Steel Hitch Latch Pin with Safety Wire Lock Trailer Tongue Pin for Farm Lawn Garden Towing Couplers**TVLVCGXV**$6.99**21 rev3mo ago](https://www.amazon.com/dp/B0GWM7LH3H) [![Ayxwkyfc 2 Pack Trailer Pin Trailer Coupler Pin with Anti-Lost Wire Arch Trailer Hitch Pin for Towing Accessories 1/4 x 3.54(6.3mm x 90mm)](https://m.media-amazon.com/images/I/41bWcOSg5zL.jpg)**Ayxwkyfc 2 Pack Trailer Pin Trailer Coupler Pin with Anti-Lost Wire Arch Trailer Hitch Pin for Towing Accessories 1/4 x 3.54(6.3mm x 90mm)**Ayxwkyfc**$6.95**5 rev4mo ago](https://www.amazon.com/dp/B0GRWDH2V6) [![Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment](https://m.media-amazon.com/images/I/41cGC2oBZ7L.jpg)**Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment**Aurdeayi**$5.59**99 rev6mo ago](https://www.amazon.com/dp/B0G1RJ2X98) [![10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel](https://m.media-amazon.com/images/I/51Fpa4jZN5L.jpg)**10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel**NRJSSCC**$5.58**74 rev8mo ago](https://www.amazon.com/dp/B0G1HKT51S) [![KCMOSGI 2 Pcs Trailer Coupler Pin with Quick Release Ring Arch Trailer Hitch Pin Locking Pins for Farm Trailers Towing Accessories 1/4 x 3.2(6.3mm x 80mm)](https://m.media-amazon.com/images/I/31ItGKGqjtL.jpg)**KCMOSGI 2 Pcs Trailer Coupler Pin with Quick Release Ring Arch Trailer Hitch Pin Locking Pins for Farm Trailers Towing Accessories 1/4 x 3.2(6.3mm x 80mm)**KCMOSGI**$7.99**10 rev9mo ago](https://www.amazon.com/dp/B0FVT2BF68)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![5 Pack Square Trailer Pin 1/4 inch x 2-3/4 inch Heavy Duty Shaft Locking Pin Carbon Steel Hitch Latch Pin with Safety Wire Lock Trailer Tongue Pin for Farm Lawn Garden Towing Couplers](https://m.media-amazon.com/images/I/41qdVKOeG8L.jpg)**5 Pack Square Trailer Pin 1/4 inch x 2-3/4 inch Heavy Duty Shaft Locking Pin Carbon Steel Hitch Latch Pin with Safety Wire Lock Trailer Tongue Pin for Farm Lawn Garden Towing Couplers**TVLVCGXV**$6.99**4.8★**▲ 149%**](https://www.amazon.com/dp/B0GWM7LH3H) [![Ayxwkyfc 2 Pack Trailer Pin Trailer Coupler Pin with Anti-Lost Wire Arch Trailer Hitch Pin for Towing Accessories 1/4 x 3.54(6.3mm x 90mm)](https://m.media-amazon.com/images/I/41bWcOSg5zL.jpg)**Ayxwkyfc 2 Pack Trailer Pin Trailer Coupler Pin with Anti-Lost Wire Arch Trailer Hitch Pin for Towing Accessories 1/4 x 3.54(6.3mm x 90mm)**Ayxwkyfc**$6.95**4.8★**▲ 148%**](https://www.amazon.com/dp/B0GRWDH2V6) [![CURT 25081 Trailer Coupler Pin 1/4-Inch Diameter x 2-3/4-Inch Long Clear ZINC](https://m.media-amazon.com/images/I/31nFLO0BEKL.jpg)**CURT 25081 Trailer Coupler Pin 1/4-Inch Diameter x 2-3/4-Inch Long Clear ZINC**CURT**$3.36**4.8★**▲ 120%**](https://www.amazon.com/dp/B001EOYJ3K) [![YOLMOOAT 2Pcs Premium Square Trailer Pin 1/4 x 2.75(6.3mm x 70mm) Trailer Coupler Pin Upgrade Hitch Pins Trailer Hitch Pin for Farm Trailers Towing Lawn](https://m.media-amazon.com/images/I/31RQXnT5INL.jpg)**YOLMOOAT 2Pcs Premium Square Trailer Pin 1/4 x 2.75(6.3mm x 70mm) Trailer Coupler Pin Upgrade Hitch Pins Trailer Hitch Pin for Farm Trailers Towing Lawn**yolmooat**$3.70**4.7★**▲ 118%**](https://www.amazon.com/dp/B0DPKFRL9H) [![Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment](https://m.media-amazon.com/images/I/41cGC2oBZ7L.jpg)**Aurdeayi 8PC Trailer Hitch Pin Standard 1/4 Inch Hitch Pins Strong Trailer Coupler Pin Safety Lock Easy Hook Up Locking Retainer Perfect for Tractor RV Farm Yard Equipment**Aurdeayi**$5.59**4.8★**▲ 91%**](https://www.amazon.com/dp/B0G1RJ2X98)

**~~View all trending →~~**

## **What buyers say about trailer coupler pin**

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

### **What buyers love **

**Quality-Overall**24%

*“The quality is solid”*

**Value For Money**17%

*“Great value for the money”*

**Advertised Vs Actual Product**12%

*“As advertised”*

**Ease Of Use**10%

*“Easy to use”*

**Size-Overall**8%

*“They are exact match for fit”*

**Strength**6%

*“These are sturdy”*

**Efficiency**4%

*“Works Great”*

**Durability**4%

*“They seem well made and durable”*

**Rusts/Corrodes**2%

*“I like that this new pin won't rust out”*

**Design-Overall**1%

*“Built well”*

### **What buyers complain about **

**Size-Overall**15%

*“Too small”*

**Thickness**7%

*“THEY ARE THICKER”*

**Ease Of Use**6%

*“They were VERY hard to connect”*

**Advertised Vs Actual Product**5%

*“There's one missing from the photo”*

**Material Quality**5%

*“Cheap material and quality”*

**Strength**4%

*“flimsy pins that sometimes come with retail equipment”*

**Durability**4%

*“They broke up so easily”*

**Compatibility-Overall**3%

*“does not fit my TSC trailer”*

**Connectivity-Overall**3%

*“so that eliminates a way to connect them”*

**Flexibility**2%

*“not easily bendable”*

### **Top return reasons **

**Size-Overall**80%

**Compatibility-Overall**3%

**Advertised Vs Actual Product**3%

**Thin**2%

**Functionality-Overall**2%

**Defective Material/Parts**2%

**Value For Money**2%

**Thickness**1%

**Strength**1%

**Mechanism Issues**1%

## **Common questions**

<dl>

<dt>**Is trailer coupler pin profitable to sell on Amazon United States?**</dt><dd>The niche generates $90K/yr across 34 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +77.1%. Flapen's verdict: Worth a look (63/100).</dd>

<dt>**How competitive is the trailer coupler pin niche?**</dt><dd>23 brands and 37 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 54% of demand.</dd>

<dt>**What do buyers complain about in trailer coupler pin?**</dt><dd>Top complaints mined from reviews: Size-Overall, Thickness, Ease Of Use. The return rate is 1.2%.</dd>

<dt>**When does demand for trailer coupler pin peak?**</dt><dd>Demand peaks in Apr–May–Jun; the busiest month runs 2.5× the quietest.</dd>

<dt>**What does it cost to enter the trailer coupler pin niche?**</dt><dd>Listings span $1.77–$36.45; the average listing price is $8.56 (sweet spot $15–$100). The average incumbent carries 438 reviews — the moat a new listing must climb.</dd>

</dl>

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