Skip to content
51

oil drain plug

Worth a look

Shows sweet-spot pricing room ($3.24–$52.85), but soft demand (-8.7% this quarter) keeps it on the watch list.

Market size 56Growth 21Conversion 53Competition 52Returns 74Price range 76Avg price 74Brand share 39Review moat 58Quality gap 43

Price range

Great$3.24–$52.85

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

Returns

Good2.0%

return rate — above 6% kills the launch gate

Avg price

Good$14.87

avg listing price — sweet spot $15–$100

Review moat

Good1,194.73

avg incumbent reviews — the moat a new listing must climb

Market size

Good$404K

$404K/yr · 625K searches

Conversion

Good4.3%

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

Competition

Good54%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

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

Growth

Bad-8.7%

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

Competition

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

Brands

11 falling

Sellers

51

Top-5 brand share

82%

Open market

12%

  • Damwot36%
  • Dorman24%
  • Votex8%
  • ValvoMax8%
  • JUSTTOP6%
  • HHZL6%
  • Open — no brand owns it (5 brands, 12%)

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%$40K20%$81K30%$121K40%$162K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.7% search growth over the last 90 days.
13K8KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Size-Overall30%

“Correct fit”

Quality-Overall14%

“Best quality”

Magnetic Strength/Adsorption9%

“The magnetic feature is a nice bonus”

Leak-Proof8%

“No oil leak”

Value For Money7%

“Good price”

Advertised Vs Actual Product5%

“Works as advertised”

Efficiency4%

“It functions exactly like it should”

Lubrication3%

“it helps make oil changes easier”

Socket/Port/Plug2%

“Perfect replacement for GM drain plug”

Assembly/Installation2%

“installs without issues”

What buyers complain about

Size-Overall31%

“TOO SMALL”

Compatibility-Overall23%

“Do not fit vehicles listed”

Leak-Proof9%

“Leaks oil”

Advertised Vs Actual Product4%

“False description”

Magnetic Strength/Adsorption3%

“The problem is the magnet”

Quality-Overall3%

“Bad quality”

Value For Money2%

“It's more expensive than most”

Functionality-Overall2%

“I found that it works like crap”

Assembly/Installation2%

“Tough installation”

Defective Material/Parts1%

“Brake my oil pan cause of this”

Top return reasons

Size-Overall59%
Compatibility-Overall16%
Advertised Vs Actual Product9%
Defective Material/Parts4%
Value For Money2%
Magnetic Strength/Adsorption2%
Leak-Proof1%
Functionality-Overall1%
Socket/Port/Plug1%
Quality-Overall1%