attwood bilge pump
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Growth
Incredible+290.6%90-day search growth — must beat 0% to launch
Avg price
Great$63.61avg listing price — sweet spot $15–$100
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Review moat
Good595.4avg incumbent reviews — the moat a new listing must climb
Price range
Good$22.97–$132.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.4%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad85%top-5 click share — a locked-up shelf
Market size
Bad$41K$41K/yr · 8K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, attwood bilge pump is a $41K/yr Amazon United States market (8K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 48/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
attwood bilge pump market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $48K–$64K
- units × avg price
- Conversion rate
- 8.1%
- Avg BSR
- #137
- Page quality
- 0%
- Prime
- 70%
- Sponsored
- 60%
- Out of stock
- 20.3%
- Avg brand age
- 59 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
81
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
0%
- attwood45%
- Unknown25%
- Dontmiss15%
- SEAFLO8%
- ESM7%
Demand
Weekly Amazon search volume, last 46 weeks — +290.6% search growth over the last 90 days.Top attwood bilge pump 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Attwood 5505-7 Sahara MK2 S500 (12V) Automatic Bilge Pump 500 GPH with Fittings (Elbow & Straight) Direct Replacement for Attwood 4505-7
attwood$58.124.1★110 rev

Attwd Sahara Auto Bilge Pump 500gph 4505-7
Unknown$89.765.0★1 rev

Dontmiss 750 GPH Automatic Submersible Bilge Pump 12V Boat Bilge Pump with Float Switch High-Flow 3-Blade Impeller Snap-Off Strainer 3/4 Outlet - Compact All-in-One for Boats RV Ponds & Pools
Dontmiss$22.974.4★1,581 rev

Attwood Swivl-eze Auto Bilge Pump 500gph 4505-7
ESM$88.614.5★2 rev

Attwood 4505-7 Sahara S500 Automatic Bilge Pump 12-Volt 1.5-Amp Draw -Inch Interior Diameter Hose 29-Inch 16-Gauge Wire
attwood$84.784.5★1,453 rev
Newest
by launch date
500 GPH Shower Sump MK2 - 12V by Attwood Marine
attwood$132.583 rev

SEAFLO 06 Series Automatic Submersible Bilge Pump - 1100 GPH 12V 1-1/8 Outlet 4-Year Warranty! Built-In Float Switch Snap-Off Strainer Compact for Marine Boat Yacht CE & Rohs Certified
SEAFLO$25.32421 rev

Attwood 5505-7 Sahara MK2 S500 (12V) Automatic Bilge Pump 500 GPH with Fittings (Elbow & Straight) Direct Replacement for Attwood 4505-7
attwood$58.12110 rev

Attwood Swivl-eze Auto Bilge Pump 500gph 4505-7
ESM$88.612 rev

Dontmiss 1100GPH Automatic Submersible Bilge Pump 12V Boat Bilge Pump with Float Switch High-Flow 3-Blade Impeller Snap-Off Strainer 1 1/8 Outlet - Compact All-in-One for Boats RV Ponds & Pools
Dontmiss$23.09883 rev
Trending
90-day click momentum
Attwood Swivl-eze Auto Bilge Pump 500gph 4505-7
ESM$88.614.5★

Attwd Sahara Auto Bilge Pump 500gph 4505-7
Unknown$89.765.0★

500 GPH Shower Sump MK2 - 12V by Attwood Marine
attwood$132.584.6★

Dontmiss 1100GPH Automatic Submersible Bilge Pump 12V Boat Bilge Pump with Float Switch High-Flow 3-Blade Impeller Snap-Off Strainer 1 1/8 Outlet - Compact All-in-One for Boats RV Ponds & Pools
Dontmiss$23.094.4★

Attwood 5508-7 Sahara MK2 S800 (12V) Automatic Bilge Pump 800 GPH with Fittings (Elbow & Straight) Direct Replacement for Attwood 4507-7
attwood$86.684.5★
What buyers say about attwood bilge pump
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality feels solid”
“Very affordable”
“As advertised”
“Exact fit”
“Seaflo bilge pump works good”
“Install was a breeze”
“These float switch works well although expect about an inch of water to remain when it shuts off”
“for my initial purchase a garden tractor battery ran it extremely well for about 15 minutes without killing the battery so a marine battery should be more capable over longer periods of time”
“Swapped out and is still holding up”
“Compact makes it user-friendly in just about any location”
What buyers complain about
“Is not working properly”
“Died after 60 days”
“That one doesn't fit the box”
“Not as described”
“I'll try one more in case mine was poor quality control”
“Very small for the capacity”
“Purchased SEAFLO 06 Series Automatic Submersible Bilge Pump - 750GPH, 12V, 3/4 Outlet and had an issue with the float switch not turning on”
“Hot garbage”
“Product does not function as intended”
“the flow rate is weak”
Top return reasons
Common questions
- Is attwood bilge pump profitable to sell on Amazon United States?
- The niche generates $41K/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +290.6%. Flapen's verdict: Skip it (48/100).
- How competitive is the attwood bilge pump niche?
- 5 brands and 81 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in attwood bilge pump?
- Top complaints mined from reviews: Functionality-Overall, Durability, Size-Overall. The return rate is 2.4%.
- What does it cost to enter the attwood bilge pump niche?
- Listings span $22.97–$132.58; the average listing price is $63.61 (sweet spot $15–$100). The average incumbent carries 595 reviews — the moat a new listing must climb.