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43

briggs and stratton gas cap

Skip it

Prices mostly outside the sweet spot ($6.25–$14.04) — this niche doesn't clear our bar today.

Market size 10Growth 96Conversion 70Competition 22Returns 20Price range 0Avg price 22Brand share 39Review moat 73Quality gap 63

Growth

Incredible+164.2%

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

Review moat

Good577.85

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.4%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

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

Competition

Bad73%

top-5 click share — a locked-up shelf

Avg price

Bad$8.03

avg listing price — sweet spot $15–$100

Returns

Bad6.3%

return rate — above 5% kills the launch gate

Market size

Bad$39K

$39K/yr · 77K searches

Price range

Bad$6.25–$14.04

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

According to Flapen's Amazon United States niche tracking, briggs and stratton gas cap is a $39K/yr Amazon United States market (77K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Skip it — 43/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

briggs and stratton gas cap market data

Units sold / yr
5K–6K
avg 250–500/product
Revenue / yr
$40K–$48K
units × avg price
Conversion rate
6.4%
Avg BSR
#167
Page quality
0%
Prime
100%
Sponsored
69%
Out of stock
7.1%
Avg brand age
37 months
Avg seller age
168 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

46

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

15%

  • FarShiller41%
  • DICMIC19%
  • Briggs & Stratton9%
  • Lujchicy8%
  • Rolvyns5%
  • DVPARTS3%
  • Open — no brand owns it (5 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +164.2% search growth over the last 90 days.
3K2KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 9.0×

Top briggs and stratton gas cap search terms

  • briggs and stratton gas cap16K/yr
  • lawn mower gas cap13K/yr
  • craftsman lawn mower gas cap10K/yr
  • toro lawn mower gas cap6K/yr
  • toro gas cap5K/yr
  • lawnmower gas cap5K/yr
  • briggs and stratton fuel cap5K/yr
  • toro gas cap replacement4K/yr
  • lawn mower gas cap replacement4K/yr
  • push mower gas cap3K/yr
All search terms

Top briggs and stratton gas cap 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%15%$6K30%$12K45%$18K60%$24K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about briggs and stratton gas cap

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

What buyers love

Size-Overall63%

“Fit good”

Advertised Vs Actual Product14%

“That the item fit as stated”

Quality-Overall9%

“it looks well made”

Value For Money3%

“It is a good inexpensive option that seems like it will last for many years”

Functionality-Overall2%

“Gas cap works as needed”

Efficiency2%

“Works perfectly”

Fuel Efficiency2%

“Gas cap works as needed”

Leak-Proof2%

“Doesn't leak and is compatible to oe”

Durability1%

“Seems to be holding up so id say it was worth buying”

Strength1%

“Proficient”

What buyers complain about

Size-Overall31%

“was too big”

Compatibility-Overall11%

“Not compatible”

Quality-Overall11%

“Poor Quality gasket”

Suction6%

“This cap does not vent”

Leak-Proof6%

“which leaked fuel”

Motor Issues5%

“Defective - This cap would intermittently restrict fuel flow”

Functionality-Overall4%

“Not work and one seemed to have condensation or water in it”

Pressure4%

“It won't start again unless I relieve the pressure in the gas tank by unscrewing the gas cap”

Fuel Efficiency2%

“Defective Venting Caused Fuel Starvation”

Hard Feel2%

“gritty gas caps”

Top return reasons

Size-Overall90%
Compatibility-Overall5%
Advertised Vs Actual Product2%
Defective Material/Parts1%
Functionality-Overall1%
Mechanism Issues0%
Maintenance And Repair0%
Leak-Proof0%
Strap/String Quality0%
Value For Money0%

Common questions

Is briggs and stratton gas cap profitable to sell on Amazon United States?
The niche generates $39K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +164.2%. Flapen's verdict: Skip it (43/100).
How competitive is the briggs and stratton gas cap niche?
11 brands and 46 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in briggs and stratton gas cap?
Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Quality-Overall. The return rate is 6.3% — above our launch gate.
When does demand for briggs and stratton gas cap peak?
Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 9.0× the quietest.
What does it cost to enter the briggs and stratton gas cap niche?
Listings span $6.25–$14.04; the average listing price is $8.03 (sweet spot $15–$100). The average incumbent carries 578 reviews — the moat a new listing must climb.