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manifold gasket
Worth a lookShows a fragmented shelf (top 5 take 17% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Incredible17%top-5 click share — an open shelf
Avg price
Great$22.59avg listing price — sweet spot $15–$100
Review moat
Great226.75avg incumbent reviews — the moat a new listing must climb
Price range
Great$4.52–$90.10cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good61%top-5 brand share — brands hold most of the demand
Market size
Good$398K$398K/yr · 434K searches
Conversion
Good4.1%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay4.9%return rate — above 5% kills the launch gate
Growth
Bad-11.2%90-day search growth — must beat 0% to launch