---
title: "Obd Lock — $98K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/obd-lock"
last_updated: "2026-08-10T13:18:21.538Z"
locale: en
meta:
description: "Niche score 46/100 · $98K/yr market · 113K searches/yr · $43.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $98K/yr market · 113K searches/yr · $43.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Obd Lock — $98K/yr Amazon US Niche (2026) - Flapen"
---
# **obd lock**
**Skip it**
A small market ($98K/yr) — this niche doesn't clear our bar today.
Market size 24Growth 55Conversion 25Competition 24Returns 25Price range 95Avg price 95Brand share 36Review moat 96Quality gap 75
**Review moat**
**Incredible****72.38**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$43.45**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$18.21–$89.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+27.2%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****2.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****5.0%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$98K**
$98K/yr · 113K searches
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Signals**[** 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%")
According to Flapen's Amazon United States niche tracking, obd lock is a $98K/yr Amazon United States market (113K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Feb–May. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **obd lock market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$87K–$109K**
- units × avg price
- **Conversion rate**
- **2.0%**
- **Avg BSR**
- **#419**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**13%**
- wmLzhen37% - VTT22% - bbfly14% - BMKCT6% - LIXOOMER4% - MITOB4% - Open — no brand owns it (5 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 97 weeks — +27.2% search growth over the last 90 days.
6K4KSpike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, May · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/automotive/obd-lock/trend)
## **Top obd lock search terms**
- **obd port lock**29K/yr+32.2%1.3% conv. - **obd2 lock**21K/yr+27.7%1.9% conv. - **obd lock**23K/yr+47.7%1.8% conv. - **obd2 port lock anti theft**12K/yr+18.5%1.4% conv. - **obd2 port lock**8K/yr+15.5%1.4% conv. - **obd lock anti theft protector**8K/yr+9.4%1.8% conv. - **obd2 lock anti theft**7K/yr-7.0%2.0% conv. - **obd port lock anti theft protector**5K/yr+25.9%1.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/obd-lock/search-terms)
## **Top obd 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.
0%10%$10K20%$20K30%$29K40%$39K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OBD2 Port Anti-Theft Lockout Tool OBD Port Protector for Cars/SUV/Trucksobd2 Lock Anti Theft Protector (Red)**wmLzhen**$46.04**4.4★116 rev](https://www.amazon.com/dp/B0F93W91ZW) [2**VTT OBD-Lock ODB Port Locking Tool (Non-GM Model) Version 2**VTT**$87.98**4.4★175 rev](https://www.amazon.com/dp/B0DCZVZKRR) [3**OBD2 Port Anti-Theft Lockout Tool OBD Port Protector for Cars/SUV/Trucksobd2 Lock Anti Theft Protector (Black)**wmLzhen**$45.95**4.4★116 rev](https://www.amazon.com/dp/B0FJ2B5KXB) [4**bbfly-K01 OBD2 Lock OBD Port Lock Anti-Theft Device Car Anti-Theft OBDII Locking Device**bbfly**$50.48**3.7★293 rev](https://www.amazon.com/dp/B0DK1ZMLBF) [5**OBD Lock OBD2 Port Locking Tool Metal OBD Port Protector for Cars SUV Trucks OBD-II Anti Theft Protector Antitheft Accessories (RED)**BMKCT**$36.38**4.2★47 rev](https://www.amazon.com/dp/B0FPCGCYH2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Anti-Theft OBD2(ONLY) Lock Universal OBD 2 Port Blocker with Security Key Car Theft Prevention Device for OBDII(Fits Most Vehicles Aluminum Alloy & POM)**Xykzra**$22.82**8 rev3mo ago](https://www.amazon.com/dp/B0GWLQJ83Y) [**LIXOOMER OBD Port Lock - Protect Your Car from Theft. for Non-GM Models Only (Not Compatible with GM Chevrolet Buick Cadillac). Version 2.0**LIXOOMER**$48.72**16 rev5mo ago](https://www.amazon.com/dp/B0GD7ZBFGZ) [**Lesiyou OBD II Port Lock Aluminum Anti Theft OBD2 Lock Car Diagnostic Port Protector OBD2 Locking Device Compatible with Vehicles Manufactured in 1996 and Later (Red)**Lesiyou**$29.52**12 rev7mo ago](https://www.amazon.com/dp/B0G2BP48XN) [**OBD2 Port Immobilizer Tool for Car SUV Truck OBD2 Port Protector**TuLeYiLe**$33.34**15 rev7mo ago](https://www.amazon.com/dp/B0G24VHLXD) [**Lesiyou OBD2 Lock Anti TheftAluminum OBD 2 Port Lock Car Diagnostic Port Protector OBD Guard Compatible with Vehicles Manufactured in 1996 and Later (Red)**Lesiyou**$18.21**12 rev8mo ago](https://www.amazon.com/dp/B0FX3RWHXG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Anti-Theft OBD2(ONLY) Lock Universal OBD 2 Port Blocker with Security Key Car Theft Prevention Device for OBDII(Fits Most Vehicles Aluminum Alloy & POM)**Xykzra**$22.82**4.7★**▲ 234%**](https://www.amazon.com/dp/B0GWLQJ83Y) [**OBD2 Port Immobilizer Tool for Car SUV Truck OBD2 Port Protector**TuLeYiLe**$33.34**4.3★**▲ 196%**](https://www.amazon.com/dp/B0G24VHLXD) [**LIXOOMER OBD Port Lock - Protect Your Car from Theft. for Non-GM Models Only (Not Compatible with GM Chevrolet Buick Cadillac). Version 2.0**LIXOOMER**$48.72**4.0★**▲ 115%**](https://www.amazon.com/dp/B0GD7ZBFGZ) [**Lesiyou OBD II Port Lock Aluminum Anti Theft OBD2 Lock Car Diagnostic Port Protector OBD2 Locking Device Compatible with Vehicles Manufactured in 1996 and Later (Red)**Lesiyou**$29.52**3.9★**▲ 67%**](https://www.amazon.com/dp/B0G2BP48XN) [**OBD Lock OBD2 Port Locking Tool Metal OBD Port Protector for Cars SUV Trucks OBD-II Anti Theft Protector Antitheft Accessories (RED)**BMKCT**$36.38**4.2★**▲ 65%**](https://www.amazon.com/dp/B0FPCGCYH2)
**~~View all trending →~~**
## **What buyers say about obd lock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**18%
*“Easy to install”*
**Size-Overall**16%
*“Fits Perfectly”*
**Quality-Overall**11%
*“Build quality is great”*
**Advertised Vs Actual Product**7%
*“Works as advertised”*
**Ease Of Use**6%
*“Easy to use”*
**Value For Money**5%
*“not expensive”*
**Strength**5%
*“This is very well built”*
**Design-Overall**3%
*“Seems like it will do the job as designed”*
**Material Quality**3%
*“The material seems well made”*
**Drop/Impact Protection**3%
*“Good protection”*
### **What buyers complain about **
**Value For Money**14%
*“On the cheaper side”*
**Size-Overall**11%
*“Fitment has too much wiggle room”*
**Compatibility-Overall**9%
*“Didn't fit on my car”*
**Ease Of Use**7%
*“A bit tricky to use”*
**Assembly/Installation**7%
*“I CANNOT get installed”*
**Functionality-Overall**6%
*“Doesn't work”*
**Strength**6%
*“Realized its so flimsy”*
**Material Quality**4%
*“For one, this item is simply cheap plastic and can be easily pried off the port. I tried this on my own vehicle”*
**Quality-Overall**3%
*“Garbage”*
**Socket/Port/Plug**2%
*“When I saw that it was useless as I had used obd2 extensions on the back of the plug which rendered it useless”*
### **Top return reasons **
**Compatibility-Overall**32%
**Size-Overall**29%
**Functionality-Overall**4%
**Assembly/Installation**4%
**Value For Money**4%
**Advertised Vs Actual Product**4%
**Defective Material/Parts**4%
**Locking Mechanism**3%
**Mechanism Issues**3%
**Connectivity-Overall**2%
## **Common questions**
- **Is obd lock profitable to sell on Amazon United States?**
- The niche generates $98K/yr across 16 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +27.2%. Flapen's verdict: Skip it (46/100).
- **How competitive is the obd lock niche?**
- 11 brands and 15 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in obd lock?**
- Top complaints mined from reviews: Value For Money, Size-Overall, Compatibility-Overall. The return rate is 5.0% — above our launch gate.
- **When does demand for obd lock peak?**
- Demand peaks in Feb–May; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the obd lock niche?**
- Listings span $18.21–$89.72; the average listing price is $43.45 (sweet spot $15–$100). The average incumbent carries 72 reviews — the moat a new listing must climb.
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