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oil dipstick tube

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A small market ($42K/yr) — this niche doesn't clear our bar today.

Market size 11Growth 21Conversion 24Competition 51Returns 28Price range 85Avg price 95Brand share 43Review moat 94Quality gap 67

Avg price

Incredible$25.90

avg listing price — sweet spot $15–$100

Review moat

Great130

avg incumbent reviews — the moat a new listing must climb

Price range

Great$7.96–$62.94

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Good54%

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

Brand share

Okay79%

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

Returns

Okay5.6%

return rate — above 6% kills the launch gate

Conversion

Bad1.9%

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

Growth

Bad-8.8%

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

Market size

Bad$42K

$42K/yr · 86K searches

Competition

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

72

Top-5 brand share

79%

Open market

17%

  • Dorman58%
  • DASPARTS8%
  • Psrorkeu5%
  • GM GENUINE PARTS5%
  • A-Premium4%
  • Hirificing4%
  • Open — no brand owns it (7 brands, 17%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$4K20%$8K30%$13K40%$17K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 23 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 37 weeks — -8.8% search growth over the last 90 days.
2K2KSpike '26Oct '25Dec '25Jan '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Size-Overall40%

“Fits fine”

Quality-Overall12%

“Good quality”

Advertised Vs Actual Product7%

“Worked as described”

Value For Money6%

“Cheap fix—worth it”

Leak-Proof6%

“kept it from leaking”

Assembly/Installation4%

“easy to install”

Lubrication4%

“after I lubed it up with a nice helping of Vaseline”

Efficiency3%

“works well after that”

Design-Overall3%

“It looks great, seems to be of good material and construction and was easy to install”

Adhesion/Stickiness3%

“Good oil stick for your car”

What buyers complain about

Size-Overall45%

“Does not fit”

Compatibility-Overall18%

“does not even work for my car”

Advertised Vs Actual Product8%

“Misinformation”

Leak-Proof8%

“Leaks”

Quality-Overall6%

“Garbage”

Functionality-Overall3%

“eill not work”

Adhesion/Stickiness2%

“Doesn't fit in the proper place factory dips stick cannot be reused in it as it doesn't fit”

Durability2%

“then that one broke”

Value For Money1%

“Waste of money”

Assembly/Installation1%

“Spent 2 hours installing it”

Top return reasons

Size-Overall61%
Compatibility-Overall19%
Advertised Vs Actual Product4%
Defective Material/Parts3%
Functionality-Overall3%
Value For Money2%
Assembly/Installation1%
Adhesion/Stickiness1%
Product Condition1%
Width1%