trailer pin lock
Worth a lookShows searches that convert (8.8% search→purchase), but a small market ($106K/yr) keeps it on the watch list.
Conversion
Great8.8%search→purchase rate — share of searches ending in a sale
Price range
Great$4.17–$53.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$14.94avg listing price — sweet spot $15–$100
Growth
Good+54.4%90-day search growth — must beat 0% to launch
Returns
Good2.8%return rate — above 5% kills the launch gate
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,464.42avg incumbent reviews — the moat a new listing must climb
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay$106K$106K/yr · 81K searches
According to Flapen's Amazon United States niche tracking, trailer pin lock is a $106K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 52/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
trailer pin lock market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $90K–$120K
- units × avg price
- Conversion rate
- 8.8%
- Avg BSR
- #25
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 2.6%
- Avg brand age
- 45 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
75
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
55%
Top 20: 96%
Open market
12%
- Master Lock23%
- RETRUE19%
- CZC AUTO18%
- METOWARE14%
- Rhino USA10%
- MAXXHAUL4%
- Open — no brand owns it (6 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +54.4% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 2.1×
Top trailer pin lock search terms
- trailer pin lock39K/yr
- trailer lock pin30K/yr
- trailer locking pin6K/yr
- locking trailer pin4K/yr
- trailer pin lock for hitch3K/yr
Top trailer pin lock 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Master Lock Trailer Lock Stainless Steel Adjustable Coupler Latch Lock 2847DAT
Master Lock$12.154.5★3,062 rev
METOWARE Trailer Tongue Coupler Lock 1/4 Dia 3-1/2 Span Trailer Hitch Lock for Latch-Type Coupler Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (1 Pack)
METOWARE$19.144.6★1,278 rev
CZC AUTO Black Trailer Hitch Coupler Lock Dia 1/4 Inch 3/4 Inch Span for Tow Boat RV Truck Cars Coupler (1 Pack Black)
CZC AUTO$7.864.6★8,822 rev
RETRUE Trailer Tongue Coupler Lock Trailer Hitch Lock Dia 1/4 Inch 3/4 Inch Span for Tow Boat RV Truck Cars Coupler Black
RETRUE$7.814.5★2,208 rev
Rhino USA 2 Trailer Hitch Pin Patented 5/8 Locking Receiver Pin for Class III/IV Hitches Weatherproof Anti-Theft Debris-Protected Tow Truck Ready Black 1PK
Rhino USA$27.134.6★10,225 rev
Newest
by launch date
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$5.5874 rev
RETRUE Cyber Lock Heavy Duty Trailer Coupler Lock Upgraded Trailer Lock with Extra Wide 1.2 Span & 1/4 Diameter Anti-Theft Tongue Locks for RVs Boats Trucks Tow Hitch Security Accessory-Silver
RETRUE$25.4352 rev
JUSTTOP Trailer Hitch Receiver Pin Lock 5/8 Dia 3-1/2 Long Pin Trailer Lock for Class III IV 2 and 2-1/2 Receiver Tow Hitch Pin Lock with 4 Anti-Rattle Rubber O-Rings for Trailer Truck Car Boat
JUSTTOP$10.04528 rev
Orion Motor Tech Locking Hitch Pin Fits 2 Receiver with 5/8 Diameter Hitch Pin Lock Anti-Theft Steel Hitch Pin Lock with Key for Class III IV Hitches Anti-Rattle Trailer Hitch Pin with O-Rings
Orion Motor Tech$9.99396 rev
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$4.17303 rev
Trending
90-day click momentum10 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$5.584.8★
RETRUE Cyber Lock Heavy Duty Trailer Coupler Lock Upgraded Trailer Lock with Extra Wide 1.2 Span & 1/4 Diameter Anti-Theft Tongue Locks for RVs Boats Trucks Tow Hitch Security Accessory-Silver
RETRUE$25.434.7★
RETRUE Trailer Hitch Locks 5/8 Locking Hitch Pin for 2 and 2 1/2 Receiver Class III IV Hitch Tow Hitch Pin Lock Dia 3-1/2 Long Pin with O-Rings Weatherproof Caps for Trailer Truck Car Boat
RETRUE$11.364.6★
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$53.214.4★
JUSTTOP Trailer Hitch Receiver Pin Lock 5/8 Dia 3-1/2 Long Pin Trailer Lock for Class III IV 2 and 2-1/2 Receiver Tow Hitch Pin Lock with 4 Anti-Rattle Rubber O-Rings for Trailer Truck Car Boat
JUSTTOP$10.044.7★
What buyers say about trailer pin lock
What buyers praise and complain about, mined from review topics.What buyers love
“excellent build quality”
“As advertised”
“Fits like a GLOVE”
“Good value for money”
“Ease of use”
“Solid construction”
“Does the Job Nicely”
“Very Durable”
“Very nice hitch lock”
“Easy install”
What buyers complain about
“Really long”
“Failed on first use”
“Where is the quality control”
“Could rust up”
“Does not fit Rivian”
“Slightly expensive”
“Improper description”
“a pain to use”
“Not as strong as I was expecting”
“Only issue I have with the lock is difficult to lock”
Top return reasons
Common questions
- Is trailer pin lock profitable to sell on Amazon United States?
- The niche generates $106K/yr across 24 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +54.4%. Flapen's verdict: Worth a look (52/100).
- How competitive is the trailer pin lock niche?
- 12 brands and 75 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in trailer pin lock?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.8%.
- When does demand for trailer pin lock peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 2.1× the quietest.
- What does it cost to enter the trailer pin lock niche?
- Listings span $4.17–$53.21; the average listing price is $14.94 (sweet spot $15–$100). The average incumbent carries 2,464 reviews — the moat a new listing must climb.