---
title: "5th Wheel Gooseneck Adapter — $748K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/5th-wheel-gooseneck-adapter"
last_updated: "2026-08-07T16:09:12.799Z"
locale: en
meta:
description: "Niche score 58/100 · $748K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $748K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "5th Wheel Gooseneck Adapter — $748K/yr Amazon US Niche (2026) - Flapen"
---
# **5th wheel gooseneck adapter**
**Worth a look**
Shows a thin review moat (32 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 71Growth 58Conversion 15Competition 78Returns 22Price range 2Avg price 35Brand share 86Review moat 98Quality gap 78
**Review moat**
**Incredible****32.3**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Great****49%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****37%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$748K**
$748K/yr · 229K searches
**Growth**
**Good****+32.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****$274.46**
avg listing price — sweet spot $15–$100
**Returns**
**Bad****5.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$65.83–$1669.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, 5th wheel gooseneck adapter is a $748K/yr Amazon United States market (229K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in May. Verdict: Worth a look — 58/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **5th wheel gooseneck adapter market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$823K–$1.1M**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#164**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **96%**
- **Out of stock**
- **20.0%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.
**Brands**
**30 **▼falling
**Sellers**
**61**
**Top-5 brand share**
**49%**
Top 20: 93%
**Top-5 click share**
**37%**
Top 20: 74%
**Open market**
**45%**
- PSAUTO11% - GELUOXI11% - FlexHitch10% - NBJINGYI9% - Lamerto9% - Misakomo6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +32.6% search growth over the last 90 days.
6K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/automotive/5th-wheel-gooseneck-adapter/trend)
## **Top 5th wheel gooseneck adapter search terms**
- **5th wheel to gooseneck adapter**74K/yr+32.7%1.2% conv. - **fifth wheel to gooseneck adapter**52K/yr+32.5%1.4% conv. - **5th wheel gooseneck adapter**22K/yr+57.2%0.6% conv. - **gooseneck to 5th wheel adapter**25K/yr+27.8%1.1% conv. - **gooseneck to fifth wheel adapter**14K/yr+33.7%1.1% conv. - **fith wheel to goose neck adaptor**6K/yr+60.1%1.5% conv. - **gooseneck adapter**8K/yr+35.7%0.8% conv. - **gooseneck adapter for 5th wheel hitch**7K/yr+6.9%1.4% conv. - **kingpin to gooseneck adapter**4K/yr+29.4%1.1% conv. - **rv 5th wheel to gooseneck adapter**5K/yr-3.8%0.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/5th-wheel-gooseneck-adapter/search-terms)
## **Top 5th wheel gooseneck adapter 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%3%$22K6%$45K9%$67K12%$90K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter - 12 to 16 Adjustable Height Converter Gooseneck Trailer Hitch Adapter**PSAUTO**$358.04**4.4★263 rev](https://www.amazon.com/dp/B0CC91CFFW) [2**C5G1216 12-16 Adjustable Cushioned 5th Wheel Gooseneck Adapter Replacement for RV Camper Trailer GTW 20000 Lbs with Safty Chain**GELUOXI**$224.79**4.0★63 rev](https://www.amazon.com/dp/B0BQR34WS2) [3**Lamerto C5G1216 12-16 Adjustable Height Cushioned 5th Wheel to Gooseneck Adapter w/Safety Chain for Camper/RV/Trailers Kingpin Box Fifth Wheel to Gooseneck Coupler Towing Adapter GTW 20000**Lamerto**$218.62**4.0★35 rev](https://www.amazon.com/dp/B0BQQLY4DP) [4**Misakomo Fifth Wheel to Gooseneck Adapter 2085295 - Kingpin to 2-5/16 Inch Ball With 30 000lbs Max Load Capacity - For Tractor and Trailer - Black**Misakomo**$71.58**4.4★54 rev](https://www.amazon.com/dp/B0CSNRWBYG) [5**Weonefit C5G1216 12-16 Adjustable Height Cushioned 5th Wheel to Gooseneck Adapter for Camper/RV/Trailers Kingpin Box Towing Capacity 20000 Lbs with Safty Chain**Weonefit**$221.76**4.0★15 rev](https://www.amazon.com/dp/B0CR9V5F7S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fifth Wheel to Gooseneck Adapter Adjustable Height 13-19 Bolt-On to Standard Kingpin Box 20000 lbs GTW 4000 lbs VTW Fits Standard 5th Wheel Camper Includes Safety Chain with a Pin Lock**FlexHitch**$266.88**1 rev2mo ago](https://www.amazon.com/dp/B0GYYMGFXK) [**GEARBONE 5th Wheel to Gooseneck Adapter 15 17 in Adjustable Hitch Converter**GEARBONE**$229.54**3 rev3mo ago](https://www.amazon.com/dp/B0GTQNNCJZ) [**Patented 6 Offset Fifth Wheel to Gooseneck Adapter 14-17 Adjustable Height for Short Bed Trucks Towing Fifth Wheel Camper 20000 lbs GTW with Safety Chain**FlexHitch**$394.38**0 rev3mo ago](https://www.amazon.com/dp/B0GSFSQ7BL) [**Fifth Wheel to Gooseneck Adapter Adjustable Height 14-19 Bolt-On to Standard Kingpin Box 20000 lbs GTW 4000 lbs VTW Fits Standard 5th Wheel Camper Includes Safety Chain**FlexHitch**$271.66**1 rev5mo ago](https://www.amazon.com/dp/B0GM9FB4SR) [**15 5th Wheel to Gooseneck Adapter Hitch 2-5/16 Ball Pocket 30 000 lbs Heavy-Duty Steel Converter Bolt-On Fifth Wheel to Gooseneck Adapter for RV Camper Trailer**YEOPGYEON**$184.59**5 rev6mo ago](https://www.amazon.com/dp/B0G89DK7HL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GEARBONE 5th Wheel to Gooseneck Adapter 15 17 in Adjustable Hitch Converter**GEARBONE**$229.54**4.0★**▲ 155%**](https://www.amazon.com/dp/B0GTQNNCJZ) [**Fifth Wheel to Gooseneck Adapter Adjustable Height 13-19 Bolt-On to Standard Kingpin Box 20000 lbs GTW 4000 lbs VTW Fits Standard 5th Wheel Camper Includes Safety Chain with a Pin Lock**FlexHitch**$266.88**1.0★**▲ 154%**](https://www.amazon.com/dp/B0GYYMGFXK) [**Patented 6 Offset Fifth Wheel to Gooseneck Adapter 14-17 Adjustable Height for Short Bed Trucks Towing Fifth Wheel Camper 20000 lbs GTW with Safety Chain**FlexHitch**$394.38**0.0★**▲ 154%**](https://www.amazon.com/dp/B0GSFSQ7BL) [**C5G1216 Adjustable Cushioned 5th Wheel to Gooseneck Adapter with Safty Chain Replacement for Convert-A-Ball Towing Capacity 20000 Lbs Adjustable Height 12-16 GELUOXI**GELUOXI**$236.54**4.7★**▲ 135%**](https://www.amazon.com/dp/B0F2MSFXY9) [**Adjustable 5th Wheel to Gooseneck Adapter Hitch 1521 Height 2-5/16 Ball Pocket 30 000 lbs Heavy-Duty Steel Converter Black Finish for RV Trailer**YEOPGYEON**$186.81**4.2★**▲ 127%**](https://www.amazon.com/dp/B0G8D6DMZ4)
**~~View all trending →~~**
## **What buyers say about 5th wheel gooseneck adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**16%
*“My test ball fit well”*
**Value For Money**15%
*“definitely worth the money”*
**Quality-Overall**13%
*“Excellent Product”*
**Assembly/Installation**9%
*“Easy installation”*
**Advertised Vs Actual Product**6%
*“works as advertised”*
**Efficiency**5%
*“Works perfectly”*
**Strength**5%
*“Solid material very heavy duty”*
**Design-Overall**3%
*“What I like here is that it seems built for a pretty specific job”*
**Weight Heavy**3%
*“It's quite heavy duty”*
**Adjustability/Rotatability/Reclining**2%
*“The adjustment is simple to use”*
### **What buyers complain about **
**Instructions/User Manual/Troubleshooting**15%
*“Instructions poorly written”*
**Mounting**8%
*“screw dont work nice I need to replace it”*
**Quality-Overall**6%
*“Cheap not worth buying”*
**Defective Material/Parts**6%
*“Part”*
**Size-Overall**5%
*“does not fit correctly”*
**Weight Heavy**3%
*“A 5th wheel operation is heavy”*
**Value For Money**3%
*“These are a giant waste of money”*
**Pockets/Compartments**3%
*“This has no ball pocket”*
**Advertised Vs Actual Product**3%
*“Did not come with safety chains as advertised”*
**Paint Quality**3%
*“Excessive paint in threaded hole locked up the set screw”*
### **Top return reasons **
**Compatibility-Overall**29%
**Size-Overall**25%
**Defective Material/Parts**6%
**Mounting**5%
**Add-Ons/Attachments**5%
**Functionality-Overall**4%
**Assembly/Installation**3%
**Mechanism Issues**3%
**Advertised Vs Actual Product**3%
**Instructions/User Manual/Troubleshooting**2%
## **Common questions**
- **Is 5th wheel gooseneck adapter profitable to sell on Amazon United States?**
- The niche generates $748K/yr across 47 tracked products. 8 of 20 products launched in the last 360 days are still selling. 90-day search growth is +32.6%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the 5th wheel gooseneck adapter niche?**
- 30 brands and 61 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 49% of demand.
- **What do buyers complain about in 5th wheel gooseneck adapter?**
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Mounting, Quality-Overall. The return rate is 5.8% — above our launch gate.
- **When does demand for 5th wheel gooseneck adapter peak?**
- Demand peaks in May; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the 5th wheel gooseneck adapter niche?**
- Listings span $65.83–$1669.55; the average listing price is $274.46 (sweet spot $15–$100). The average incumbent carries 32 reviews — the moat a new listing must climb.
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