Is obd1 to obd2 adapter profitable to sell on Amazon United States?

The niche generates $353K/yr across 18 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -4.2%. Flapen's verdict: Skip it (42/100).

How competitive is the obd1 to obd2 adapter niche?

11 brands and 24 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in obd1 to obd2 adapter?

Top complaints mined from reviews: Functionality-Overall, Compatibility-Overall, Instructions/User Manual/Troubleshooting. The return rate is 4.3%.

When does demand for obd1 to obd2 adapter peak?

Demand peaks in Aug; the busiest month runs 1.7× the quietest.

What does it cost to enter the obd1 to obd2 adapter niche?

Listings span $6.13–$289.85; the average listing price is $54.98 (sweet spot $15–$100). The average incumbent carries 4,469 reviews — the moat a new listing must climb.

obd1 to obd2 adapter

Skip it

Soft demand (-4.2% this quarter) — this niche doesn't clear our bar today.

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great$54.98

avg listing price — sweet spot $15–$100

Market size

Good$353K

$353K/yr · 238K searches

Conversion

Okay2.7%

search→purchase rate — share of searches ending in a sale

Returns

Okay4.3%

return rate — above 5% kills the launch gate

Competition

Okay65%

top-5 click share — leaders hold, buyers still browse

Price range

Okay$6.13–$289.85

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay90%

top-5 brand share — brands hold most of the demand

Review moat

Bad4,469

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-4.2%

90-day search growth — must beat 0% to launch

Signals Low Review Barrier High Price

According to Flapen's Amazon United States niche tracking, obd1 to obd2 adapter is a $353K/yr Amazon United States market (238K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Aug. Verdict: Skip it — 42/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

obd1 to obd2 adapter market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $330K–$440K; units × avg price
Conversion rate: 2.7%
Avg BSR: #609
Page quality: 0%
Prime: 100%
Sponsored: 67%
Out of stock: 10.8%
Avg brand age: 33 months
Avg seller age: 158 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 flat

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

Joplay39%
Innova33%
Hirificing10%
JAMHER4%
Autel4%
ANCEL3%
Open — no brand owns it (5 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.2% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 1.7×

Open Trend

Top obd1 to obd2 adapter search terms

obd1 scanner120K/yr -7.8%2.4% conv.
obd 1 scan tool12K/yr +105.3%2.8% conv.
obd 1 scanner22K/yr -35.9%2.1% conv.
obd112K/yr +3.8%2.3% conv.
gm obd1 scanner9K/yr +1.3%3.0% conv.
obd1 scanner gm chevy4K/yr +32.6%2.9% conv.
obd1 code reader9K/yr -5.2%2.6% conv.
obd1 scanner gm7K/yr +20.4%3.3% conv.
obd1 scan tool8K/yr -35.2%1.4% conv.
ob1 scanner6K/yr -9.7%2.8% conv.

All search terms

Top obd1 to obd2 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★)

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

INNOVA 3123 GM OBD1 Code Reader Windows XP

Innova$20.554.4★6,909 rev

JOPLAY OBD1 Code Reader Compatible with Ford 2 in 1 Digital OBD 1 Scanner with Built-in Reinforced Pins and 9 Feet Cable OBD 1 Scan Tool Compatible with Ford Lincoln Mercury from 1981-1995

Joplay$65.194.6★68 rev

INNOVA 3145 Ford Digital OBD1 Code Reader

Innova$31.674.4★6,909 rev

JOPLAY OBD1 Scanner and Code Reader ONLY Compatible with GM 1982-1995 Vehicles ECM ABS Diagnostic Scan Tool with Instructions in English Spanish and French

Joplay$26.723.8★55 rev

Hirificing OBD1 Scanner OBD1 to OBD2 GM Adapter OBD 1 Scanner Cable Code Reader OBD1 12 Pins to OBD2 OBD II 16 Pins Socket Scan Diagnostic Extension Tool Cable Connector Replacement for GM Popular

Hirificing$9.283.7★481 rev

Newest

by launch date

ELFREE OBD1 Scanner Compatible with Ford Lincoln Mercury 1981-1995 LCD Display Code Reader with Definitions Plug and Play OBD1 Scann Tool Reinforced Pins 9FT Cable

ELFREE$66.054 rev

3mo ago

wiiyii K1 Car Check Engine Code Reader Auto Code Reader Car Scanner Diagnostic Tool to Real-Live Data Freeze Frame with Colour Screen Multilingual for All OBDII & EOBD Vehicles

wiiyii$31.139 rev

6mo ago

JOPLAY OBD1 Scanner and Code Reader ONLY Compatible with GM 1982-1995 Vehicles ECM ABS Diagnostic Scan Tool with Instructions in English Spanish and French (Blue)

Joplay$26.7155 rev

8mo ago

JOPLAY OBD1 Scanner and Code Reader ONLY Compatible with GM 1982-1995 Vehicles ECM ABS Diagnostic Scan Tool with Instructions in English Spanish and French

Joplay$26.7255 rev

9mo ago

JOPLAY OBD1 Code Reader Compatible with Ford 2 in 1 Digital OBD 1 Scanner with Built-in Reinforced Pins and 9 Feet Cable OBD 1 Scan Tool Compatible with Ford Lincoln Mercury from 1981-1995

Joplay$65.1968 rev

10mo ago

What buyers say about obd1 to obd2 adapter

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

What buyers love

Ease Of Use27%

“Easy to operate”

Value For Money17%

“Great Value”

Advertised Vs Actual Product15%

“As advertised”

Quality-Overall12%

“is well made”

Efficiency11%

“It works great”

Instructions/User Manual/Troubleshooting4%

“Simple an easy to use most basic features”

Functionality-Overall3%

“it worked amazingly”

Connectivity-Overall2%

“Its very easy to connect”

Measurement/Reading Accuracy2%

“provides accurate readings”

Size-Overall1%

“fit properly”

What buyers complain about

Functionality-Overall28%

“Limited functionality”

Compatibility-Overall12%

“Not compatible”

Instructions/User Manual/Troubleshooting9%

“Good device; Poor manual”

Quality-Overall7%

“it doesnt have other functionalities of a better quality sensor”

Durability5%

“breaks easily”

Value For Money4%

“Not worth the money”

Connectivity-Overall3%

“couldn't connect it”

Sensor2%

“camshaft position sensor faults”

Defective Material/Parts2%

“I wasn't yhe right part for my vehicle”

Software/Application2%

“Tech support is horrific with AI”

Top return reasons

Functionality-Overall34%

Compatibility-Overall28%

Connectivity-Overall11%

Value For Money7%

Advertised Vs Actual Product5%

Size-Overall3%