2 5/16 trailer hitch lock
Worth a lookShows a sweet-spot price point ($71.42 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$71.42avg listing price — sweet spot $15–$100
Competition
Great37%top-5 click share — an open shelf
Brand share
Good60%top-5 brand share — brands hold most of the demand
Conversion
Good5.5%search→purchase rate — share of searches ending in a sale
Market size
Good$407K$407K/yr · 103K searches
Growth
Good+27.3%90-day search growth — must beat 0% to launch
Returns
Okay3.3%return rate — above 5% kills the launch gate
Review moat
Okay2,054.59avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$10.06–$290.70cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 2 5/16 trailer hitch lock is a $407K/yr Amazon United States market (103K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Apr. Verdict: Worth a look — 59/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
2 5/16 trailer hitch lock market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $429K–$571K
- units × avg price
- Conversion rate
- 5.5%
- Avg BSR
- #121
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 6.1%
- Avg brand age
- 39 months
- Avg seller age
- 163 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
29 rising
Sellers
150
Top-5 brand share
60%
Top 20: 94%
Top-5 click share
37%
Top 20: 73%
Open market
33%
- Master Lock21%
- Rhino USA13%
- RETRUE10%
- NUOVEPE8%
- BVLLVT7%
- METOWARE6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +27.3% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 2.0×
Top 2 5/16 trailer hitch lock search terms
- 2 5/16 ball hitch lock30K/yr
- heavy duty trailer lock10K/yr
- 2 5/16 trailer lock12K/yr
- trailer hitch locks 2 5/168K/yr
- master lock trailer hitch lock7K/yr
- 2 5/16 hitch lock4K/yr
- trailer coupler lock 2 5/165K/yr
- trailer tongue lock 2 5/167K/yr
- reese hitch lock5K/yr
- master lock trailer lock4K/yr
Top 2 5/16 trailer hitch 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
Rhino USA Trailer Hitch Lock Kit (for 2-5/16 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue
Rhino USA$53.814.4★2,328 rev

Master Lock Black Universal Size Trailer Hitch Lock Trailer Coupler Lock for Securing RVs Horse Trailers Tool Trailers and More 379ATPY
Master Lock$36.934.6★5,947 rev

BVLLVT Heavy Duty Trailer Hitch Lock for 2 5/16 Ball Coupler - Adjustable Locking Mechanism Design - Anti-Theft Solid Steel Coupler Lock for RV Boat Camper Trailer
BVLLVT$80.494.4★104 rev

Master Lock Trailer Coupler Lock Universal Size Fits 1-7/8 2 and 2-5/16 389DAT
Master Lock$32.944.7★17,428 rev

METOWARE Universal Trailer Hitch Locks Adjustable Heavy-Duty Trailer Coupler Ball Locks Fit 1-7/8 Inch 2 Inch 2-5/16 Inch Couplers with 2 Keys
METOWARE$34.734.7★433 rev
Newest
by launch date
2 5/16Inch-Trailer-Hitch-Locks-Kit Heavy Duty Anti Theft Trailer Tongue Lock Reinforced Solid Steel Weatherproof Tow Coupler Lock Trailer Locks Ball Hitch for RV Camper Cargo Boat Caravan
NUOVEPE$41.0485 rev

Kaowuzz Trailer Lock Heavy Duty Trailer Ball Lock Fits 2 5/16-Inch Couplers Anti-Theft Anti-Smashing Secures Safety Chains Solid Steel Towing Hitch Accessories for RV Cargo Boat (with Handle)
Kaowuzz$60.2039 rev

Trailer Hitch Lock Kit (for 2-5/16 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue (2-5/16in)
TOWBUBING$40.1897 rev

BVLLVT Heavy Duty Trailer Hitch Lock for 2 5/16 Ball Coupler - Adjustable Locking Mechanism Design - Anti-Theft Solid Steel Coupler Lock for RV Boat Camper Trailer
BVLLVT$80.49104 rev

RETRUE Heavy Duty Trailer Lock Fits 2 5/16-Inch Couplers Ball Coupler&Safety Chains Anti-Theft Trailer Hitch Locks for RV Cargo Boat Dump Trailer (Black)
RETRUE$80.868 rev
Trending
90-day click momentum
Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA
Proven Industries$270.724.7★

RETRUE Heavy-Duty Universal Widened Coupler Lock Fits 2-5/16 Inch Trailer Ball Locks Hitch Trailer Hitch Lock Adjustable Security Steel Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Couplers Upgraded Gray
RETRUE$37.114.6★

RETRUE Heavy Duty Trailer Lock Fits 2 5/16-Inch Couplers Ball Coupler&Safety Chains Anti-Theft Trailer Hitch Locks for RV Cargo Boat Dump Trailer (Black)
RETRUE$80.865.0★

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★

Kaowuzz Trailer Lock Heavy Duty Trailer Ball Lock Fits 2 5/16-Inch Couplers Anti-Theft Anti-Smashing Secures Safety Chains Solid Steel Towing Hitch Accessories for RV Cargo Boat (with Handle)
Kaowuzz$60.204.6★
What buyers say about 2 5/16 trailer hitch lock
What buyers praise and complain about, mined from review topics.What buyers love
“First off, the build quality is impressive”
“Fits like a GLOVE”
“Ease of use”
“less expensive”
“As Advertised”
“Heavy duty”
“Easy install”
“Effective”
“It's very heavy and sturdy”
“I also appreciate that the materials feel durable and weather resistant, especially since theyre being used outdoors”
What buyers complain about
“Its too short”
“Bad quality”
“it broke into pieces”
“not user friendly”
“Starting to rust”
“Dose not work at all”
“My bad, I assumed it was compatible”
“Slightly expensive”
“Not very robust”
“The whole unit has a heavy”
Top return reasons
Common questions
- Is 2 5/16 trailer hitch lock profitable to sell on Amazon United States?
- The niche generates $407K/yr across 54 tracked products. 7 of 11 products launched in the last 360 days are still selling. 90-day search growth is +27.3%. Flapen's verdict: Worth a look (59/100).
- How competitive is the 2 5/16 trailer hitch lock niche?
- 29 brands and 150 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 60% of demand.
- What do buyers complain about in 2 5/16 trailer hitch lock?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 3.3%.
- When does demand for 2 5/16 trailer hitch lock peak?
- Demand peaks in Apr; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 2 5/16 trailer hitch lock niche?
- Listings span $10.06–$290.70; the average listing price is $71.42 (sweet spot $15–$100). The average incumbent carries 2,055 reviews — the moat a new listing must climb.