seadoo
Worth a lookShows demand growing +145.8% this quarter, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Growth
Incredible+145.8%90-day search growth — must beat 0% to launch
Avg price
Incredible$23.06avg listing price — sweet spot $15–$100
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Returns
Great1.5%return rate — above 6% kills the launch gate
Price range
Great$5.99–$60.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good599.2avg incumbent reviews — the moat a new listing must climb
Market size
Okay$113K$113K/yr · 50K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
44
Top-5 brand share
100%
Open market
0%
- NGK81%
- Hipa11%
- Wetenex3%
- Push Industries3%
- Ciuouient2%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NGK 4339 DCPR8E Compatible With SeaDoo 4-Tec Spark Plug Set All 130 155 185 215 255 260 RXP RXT X GTI GTX Wake GTS GTI 3 Pack
NGK$16.464.8★1,591 rev
NGK Spark Plug 4339 DCPR8E (2 Pack)
NGK$12.184.7★262 rev
NGK 4339 Standard Spark Plug DCPR8E (4 Pack)
NGK$20.214.8★277 rev
Hipa (Pack of 2) DCPR8E Spark Plugs Compatible with NGK 4339 SeaDoo Marine Boat Jet Skis PWC Stand-up WaveRunner
Hipa$5.995.0★8 rev
(10-Pack) NGK Spark Plugs DCPR8E (Stock # 4339)
NGK$42.034.9★91 rev
Newest
by launch date
DCPR8E Spark Plug Fits NGK DCPR8E 4339 SeaDoo 4-Tec GTI GTX GTS Marine Boat Jet 4 PACK
Wetenex$8.942 rev
Hipa (Pack of 2) DCPR8E Spark Plugs Compatible with NGK 4339 SeaDoo Marine Boat Jet Skis PWC Stand-up WaveRunner
Hipa$5.998 rev
Hipa (Pack of 4) DCPR8E Spark Plugs Bujia Compatible with NGK 4339 SeaDoo Marine Boat Jet Skis PWC Stand-up WaveRunner
Hipa$8.933,486 rev
Ciuouient Storage Cargo Bin Cover Lid/Storage Lid Adapter(1PCS) Compatible with Sea-Doo Spark 3 Up 2014-2023; Sea-Doo Spark 2 Up 2014-2023-BLACK
Ciuouient$34.7810 rev
104.132 Push Industries Boarding Fold-Down Step Compatible with Sea-Doo Spark All Models Trixx Reboarding Watercraft Step Accessories 275 LB Capacity (Replace OEM# 295100494 295100642)
Push Industries$60.3770 rev
Trending
90-day click momentumDCPR8E Spark Plug Fits NGK DCPR8E 4339 SeaDoo 4-Tec GTI GTX GTS Marine Boat Jet 4 PACK
Wetenex$8.945.0★
Hipa (Pack of 4) DCPR8E Spark Plugs Bujia Compatible with NGK 4339 SeaDoo Marine Boat Jet Skis PWC Stand-up WaveRunner
Hipa$8.934.7★
Hipa (Pack of 2) DCPR8E Spark Plugs Compatible with NGK 4339 SeaDoo Marine Boat Jet Skis PWC Stand-up WaveRunner
Hipa$5.995.0★
NGK 4339 Standard Spark Plug DCPR8E (4 Pack)
NGK$20.214.8★
104.132 Push Industries Boarding Fold-Down Step Compatible with Sea-Doo Spark All Models Trixx Reboarding Watercraft Step Accessories 275 LB Capacity (Replace OEM# 295100494 295100642)
Push Industries$60.374.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +145.8% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 6.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect Fit”
“As advertised”
“Excellent product”
“Inexpensive”
“Runs like new”
“allowed for Alot more space inside”
“Fits both plug socket sizes”
“Exactly replacement for cf moto 600 u force sxs”
“Easy to install”
What buyers complain about
“Not the exact same as OEM-No Rubber”
“Not for Polaris Ranger 900 / 1000”
“this thing is super cheap”