Is racor fuel water separator profitable to sell on Amazon United States?

The niche generates $104K/yr across 29 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +37.0%. Flapen's verdict: Worth a look (55/100).

How competitive is the racor fuel water separator niche?

16 brands and 49 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in racor fuel water separator?

Top complaints mined from reviews: Leak-Proof, Filtration, Size-Overall. The return rate is 1.7%.

When does demand for racor fuel water separator peak?

Demand peaks in May; the busiest month runs 1.8× the quietest.

What does it cost to enter the racor fuel water separator niche?

Listings span $16.42–$552.50; the average listing price is $84.57 (sweet spot $15–$100). The average incumbent carries 116 reviews — the moat a new listing must climb.

racor fuel water separator

Worth a look

Shows a thin review moat (116 avg reviews), but prices mostly outside the sweet spot ($16.42–$552.50) keeps it on the watch list.

Review moat

Great115.79

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.7%

return rate — above 5% kills the launch gate

Avg price

Great$84.57

avg listing price — sweet spot $15–$100

Competition

Good48%

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

Growth

Good+37.0%

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

Brand share

Good72%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.8%

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

Market size

Okay$104K

$104K/yr · 33K searches

Price range

Bad$16.42–$552.50

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

Signals High Price

According to Flapen's Amazon United States niche tracking, racor fuel water separator is a $104K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in May. Verdict: Worth a look — 55/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

racor fuel water separator market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $85K–$106K; units × avg price
Conversion rate: 3.8%
Avg BSR: #1,464
Page quality: 0%
Prime: 86%
Sponsored: 52%
Out of stock: 0.0%
Avg brand age: 55 months
Avg seller age: 164 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

48%

Top 20: 91%

Open market

24%

Racor41%
CARMOCAR12%
Aurorasters9%
Racor Fuel Filter Element6%
SURGLA5%
DZFST.FI4%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +37.0% search growth over the last 90 days.

Peak months: May · busiest ÷ quietest = 1.8×

Open Trend

Top racor fuel water separator search terms

racor fuel water separator19K/yr +41.0%2.1% conv.
racor fuel filter10K/yr +38.2%2.9% conv.
racor4K/yr +20.3%1.0% conv.

All search terms

Top racor fuel water separator 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Racor Spin-On Fuel Filter/Water Separator Complete Kit 320R-RAC-01

Racor$117.204.4★152 rev

R12T Fuel Water Separator Fuel Filter/Water Separator Marine Complete Kit 10 Micron Filter Replaces Racor S3240 120AT R12T NPT ZG1/4-19 Fit 3/8 Inch NPT Outboard Motors for Gas & Diesel Engines

Aurorasters$18.404.4★85 rev

CARMOCAR Fuel Filter Water Separator replacement for Marine Outboard Motor Mercury with 3/8 Barb x 1/4 NPT brass Fittings Replaces# S3213 S3214 35-60494-1 S3213 18-7932-1 18-17928 35-809097

CARMOCAR$30.144.4★580 rev

S3213 Fuel Water Separator Filter with Clear Bowl: 10 Micron Marine Fuel Filter Compatible with Yamaha/Mercury/Suzuki/Racor. Replaces 35-60494-1 18-7932-1. Installation Kit Screws Fittings & Clamps

SURGLA$26.054.3★25 rev

DZFST.FI S3213 Fuel Water Separator Filter Compatible with Marine Outboard Motor Mercury Yamaha Racor Sierra Engine Boat 10 Micron Replaces# 35-60494-1 S3213 18-7932-1 18-17928 35-809097

DZFST.FI$19.204.5★108 rev

Newest

by launch date

S3213 Fuel Water Separator Filter with Clear Bowl: 10 Micron Marine Fuel Filter Compatible with Yamaha/Mercury/Suzuki/Racor. Replaces 35-60494-1 18-7932-1. Installation Kit Screws Fittings & Clamps

SURGLA$26.0525 rev

5mo ago

S3213 Fuel Water Separator Marine Kit Compatible with Yamaha and for Mercury Marine Outboard Motor with 3/8 Barb x 1/4 NPT Brass Fittings Replaces B32013 35-60494-1 18-7932-1 18-17928 35-809097

TRSCJXN$24.3251 rev

8mo ago

S3213 Fuel Water Separator Marine Fuel Filter Water Separator with 3/8 Barb and 1/4 NPT Fittings Compatible with Yamaha Mercury Racor Sierra Suzuki Outboard - 18-7922 35-60494-1 B32013 18-7932-1

Arbriaty$24.6252 rev

1y ago

Diesel Fuel Filter Oil Water Separator With Bolt Turbine Marine Boat Superior 60 GPH 30 Micron Racor Fuel Water Separator Replace# 500FG 500FH

Dtomi$31.2437 rev

2y ago

R12T Fuel Water Separator Fuel Filter/Water Separator Marine Complete Kit 10 Micron Filter Replaces Racor S3240 120AT R12T NPT ZG1/4-19 Fit 3/8 Inch NPT Outboard Motors for Gas & Diesel Engines

Aurorasters$18.4085 rev

2y ago

What buyers say about racor fuel water separator

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

What buyers love

Quality-Overall23%

“The build quality feels solid and well-made, and installation was simple and straightforward”

Filtration11%

“Great affordable filters”

Advertised Vs Actual Product10%

“Works as advertised”

Value For Money10%

“GREAT PRICE”

Assembly/Installation9%

“It was easy to mount”

Size-Overall6%

“Good fit”

Efficiency3%

“Works great”

Leak-Proof3%

“I experienced no air leaks or fuel starvation issues afterward”

Design-Overall3%

“Good design”

Durability2%

“seems durable”

What buyers complain about

Leak-Proof23%

“Leaks”

Filtration13%

“nor allow carb filter to fail”

Size-Overall8%

“MISSING FITTINGS”

Quality-Overall7%

“Check valve is junk”

Paint Quality4%

“One had chipped paint”

Rusts/Corrodes3%

“last one corroded so badly that it started leaking fuel”

Metal Quality3%

“Metal shavings”

Assembly/Installation3%

“havent installed it”

Mounting3%

“screwed on way too tight”

Functionality-Overall1%

“within 5 minutes the same issue”

Top return reasons

Size-Overall52%

Filtration8%

Compatibility-Overall8%

Defective Material/Parts5%

Leak-Proof5%

Advertised Vs Actual Product4%

Functionality-Overall3%