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66

ac oil injector

Worth a look

Shows demand growing +206.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 37Growth 98Conversion 67Competition 45Returns 52Price range 77Avg price 95Brand share 64Review moat 94Quality gap 73

Growth

Incredible+206.2%

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

Avg price

Incredible$39.06

avg listing price — sweet spot $15–$100

Review moat

Great129.56

avg incumbent reviews — the moat a new listing must climb

Price range

Great$9.86–$118.68

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.1%

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

Brand share

Good67%

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

Returns

Good2.9%

return rate — above 5% kills the launch gate

Competition

Okay58%

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

Market size

Okay$187K

$187K/yr · 79K searches

According to Flapen's Amazon United States niche tracking, ac oil injector is a $187K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 66/100.

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

ac oil injector market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
$195K–$234K
units × avg price
Conversion rate
6.1%
Avg BSR
#338
Page quality
0%
Prime
100%
Sponsored
92%
Out of stock
2.6%
Avg brand age
57 months
Avg seller age
205 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

54

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

58%

Top 20: 94%

Open market

28%

  • GallopMax21%
  • Lichamp20%
  • X AUTOHAUX11%
  • Boltigen8%
  • gohantee7%
  • Tellegloww5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +206.2% search growth over the last 90 days.
4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 11.7×

Top ac oil injector search terms

  • ac oil injector18K/yr
  • ac dye injector16K/yr
  • ac oil injector tool6K/yr
  • pag oil injector5K/yr
  • 1234yf dye injector kit3K/yr
  • ac dye injector kit4K/yr
  • 1234yf oil injector4K/yr
  • a/c dye injector kit3K/yr
  • r1234yf oil injector3K/yr
  • r134a dye injector3K/yr
All search terms

Top ac oil injector 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%5%$9K10%$19K15%$28K20%$37K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about ac oil injector

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

What buyers love

Value For Money22%

“Well worth it”

Advertised Vs Actual Product16%

“Product as advertised”

Quality-Overall14%

“The build quality is solid — it feels sturdy and well-made, not like those cheap, flimsy alternatives”

Ease Of Use13%

“Easy to use”

Efficiency12%

“Work as intended”

Leak-Proof6%

“No leakage”

Strength5%

“The build quality is solid — it feels sturdy and well-made, not like those cheap, flimsy alternatives”

Lubrication2%

“Works well for injecting oil into the ac system”

Compression2%

“makes keeping getting the right amount of oil to the compressor”

Measurement/Reading Accuracy1%

“The body features easy-to-read graduations”

What buyers complain about

Durability23%

“Cracked on First Use”

Quality-Overall19%

“Bad quality”

Leak-Proof9%

“Leaked”

Material Quality9%

“Made from cheap plastic”

Functionality-Overall5%

“Doesnt work”

Compression3%

“It will destroy your ac compressor”

Color3%

“UV dye doesnt taste great”

Ease Of Use3%

“Very hard to push in system don't like”

Value For Money3%

“Save your money”

Defective Material/Parts3%

“broke the low side Schrader valve do not buy it will damage your system”

Top return reasons

Defective Material/Parts16%
Functionality-Overall15%
Leak-Proof12%
Connectivity-Overall7%
Compatibility-Overall6%
Size-Overall6%
Quality-Overall4%
Add-Ons/Attachments4%
Advertised Vs Actual Product4%
Product Condition3%

Common questions

Is ac oil injector profitable to sell on Amazon United States?
The niche generates $187K/yr across 25 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +206.2%. Flapen's verdict: Worth a look (66/100).
How competitive is the ac oil injector niche?
18 brands and 54 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in ac oil injector?
Top complaints mined from reviews: Durability, Quality-Overall, Leak-Proof. The return rate is 2.9%.
When does demand for ac oil injector peak?
Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 11.7× the quietest.
What does it cost to enter the ac oil injector niche?
Listings span $9.86–$118.68; the average listing price is $39.06 (sweet spot $15–$100). The average incumbent carries 130 reviews — the moat a new listing must climb.