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.

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.

Review moat

Incredible32.3

avg incumbent reviews — the moat a new listing must climb

Brand share

Great49%

top-5 brand share — no brand owns this niche

Competition

Great37%

top-5 click share — an open shelf

Quality gap

Great4.3★

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

Bad5.8%

return rate — above 5% kills the launch gate

Conversion

Bad1.2%

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 Low Review Barrier High Returns High Price Out of Stock

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

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

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.

Peak months: May · busiest ÷ quietest = 2.2×

Open Trend

Top 5th wheel gooseneck adapter search terms

5th wheel to gooseneck adapter74K/yr +32.7%1.2% conv.
fifth wheel to gooseneck adapter52K/yr +32.5%1.4% conv.
5th wheel gooseneck adapter22K/yr +57.2%0.6% conv.
gooseneck to 5th wheel adapter25K/yr +27.8%1.1% conv.
gooseneck to fifth wheel adapter14K/yr +33.7%1.1% conv.
fith wheel to goose neck adaptor6K/yr +60.1%1.5% conv.
gooseneck adapter8K/yr +35.7%0.8% conv.
gooseneck adapter for 5th wheel hitch7K/yr +6.9%1.4% conv.
kingpin to gooseneck adapter4K/yr +29.4%1.1% conv.
rv 5th wheel to gooseneck adapter5K/yr -3.8%0.5% conv.

All 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.

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

Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter - 12 to 16 Adjustable Height Converter Gooseneck Trailer Hitch Adapter

PSAUTO$358.044.4★263 rev

C5G1216 12-16 Adjustable Cushioned 5th Wheel Gooseneck Adapter Replacement for RV Camper Trailer GTW 20000 Lbs with Safty Chain

GELUOXI$224.794.0★63 rev

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$218.624.0★35 rev

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$71.584.4★54 rev

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$221.764.0★15 rev

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$266.881 rev

2mo ago

GEARBONE 5th Wheel to Gooseneck Adapter 15 17 in Adjustable Hitch Converter

GEARBONE$229.543 rev

3mo ago

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$394.380 rev

3mo ago

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$271.661 rev

5mo ago

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$184.595 rev

6mo ago

What buyers say about 5th wheel gooseneck adapter

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

What buyers love

Size-Overall16%

“My test ball fit well”

Value For Money15%

“definitely worth the money”

Quality-Overall13%

“Excellent Product”

Assembly/Installation9%

“Easy installation”

Advertised Vs Actual Product6%

“works as advertised”

Efficiency5%

“Works perfectly”

Strength5%

“Solid material very heavy duty”

Design-Overall3%

“What I like here is that it seems built for a pretty specific job”

Weight Heavy3%

“It's quite heavy duty”

Adjustability/Rotatability/Reclining2%

“The adjustment is simple to use”

What buyers complain about

Instructions/User Manual/Troubleshooting15%

“Instructions poorly written”

Mounting8%

“screw dont work nice I need to replace it”

Quality-Overall6%

“Cheap not worth buying”

Defective Material/Parts6%

“Part”

Size-Overall5%

“does not fit correctly”

Weight Heavy3%

“A 5th wheel operation is heavy”

Value For Money3%

“These are a giant waste of money”

Pockets/Compartments3%

“This has no ball pocket”

Advertised Vs Actual Product3%

“Did not come with safety chains as advertised”

Paint Quality3%

“Excessive paint in threaded hole locked up the set screw”

Top return reasons

Compatibility-Overall29%

Size-Overall25%

Defective Material/Parts6%

Mounting5%

Add-Ons/Attachments5%

Functionality-Overall4%

Assembly/Installation3%

Mechanism Issues3%