Is milwaukee transfer pump impeller profitable to sell on Amazon United States?

The niche generates $43K/yr across 11 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +118.8%. Flapen's verdict: Worth a look (63/100).

How competitive is the milwaukee transfer pump impeller niche?

8 brands and 9 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in milwaukee transfer pump impeller?

Top complaints mined from reviews: Durability, Quality-Overall, Advertised Vs Actual Product. The return rate is 0.2%.

What does it cost to enter the milwaukee transfer pump impeller niche?

Listings span $15.57–$27.05; the average listing price is $19.90 (sweet spot $15–$100). The average incumbent carries 54 reviews — the moat a new listing must climb.

milwaukee transfer pump impeller

Worth a look

Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible14.5%

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

Review moat

Incredible54.45

avg incumbent reviews — the moat a new listing must climb

Growth

Incredible+118.8%

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

Price range

Incredible$15.57–$27.05

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

Avg price

Great$19.90

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Okay69%

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

Brand share

Okay89%

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

Market size

Bad$43K

$43K/yr · 15K searches

Signals Trending Low Review Barrier

According to Flapen's Amazon United States niche tracking, milwaukee transfer pump impeller is a $43K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 89% of demand. Verdict: Worth a look — 63/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

milwaukee transfer pump impeller market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $50K–$60K; units × avg price
Conversion rate: 14.5%
Avg BSR: #1,890
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 6.6%
Avg brand age: 22 months
Avg seller age: 198 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 flat

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

REPLACEMENTKITS.COM30%
RUHUALIFE29%
FYRIXY16%
fozejeae8%
FREPURDO6%
gtpartes5%
Open — no brand owns it (2 brands, 6%)

Demand

Weekly Amazon search volume, last 30 weeks — +118.8% search growth over the last 90 days.

Open Trend

Top milwaukee transfer pump impeller search terms

milwaukee transfer pump impeller8K/yr +83.9%10.3% conv.
49-16-27713K/yr +284.6%3.6% conv.
milwaukee pump impeller4K/yr +88.7%11.2% conv.

All search terms

Top milwaukee transfer pump impeller 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Replacement Kits Polyurethane Impeller & O-Ring Kit

REPLACEMENTKITS.COM$27.054.4★122 rev

Impeller & O-Ring Kit for Milwaukee M18 Transfer Pump Replaces 49-16-2771

FYRIXY$18.624.8★15 rev

RUHUALIFE Upgraded Impeller with O-Ring Kit Compatible with Milwaukee M18 Transfer PumpsReplace #:49-16-2771

RUHUALIFE$19.404.3★47 rev

RUHUALIFE Upgraded Impeller & O-Ring Kit Compatible with Milwaukee M18 Transfer Pump Replaces Part #49-16-2771

RUHUALIFE$19.043.9★33 rev

REPLACEMENTKITS.COM Impeller O-Ring & Oil Seal Kit Compatible with Milwaukee M18 Transfer Pumps (Replaces 49-16-2771)

REPLACEMENTKITS.COM$24.044.5★230 rev

Newest

by launch date

Milwaukee M18 Transfer Pump Impeller & O-Ring Kit - Replaces 49-16-2771 Upgraded Brass Core & Premium Neoprene Includes Grease Durable & Leak-Proof

todbown$18.8511 rev

5mo ago

RUHUALIFE Rubber Impeller & Seal Kit Compatible with Milwaukee M18 Transfer Pump Replaces 49-16-2771 Natural Rubber Impeller with Copper Core Direct Replacement

RUHUALIFE$18.743 rev

6mo ago

Upgraded Premium Neoprene Impeller with Brass Core & O-Ring Kit Compatible with Milwaukee Transfer Pump M18 Replacement Milwaukee Transfer Pump Impeller for 49-16-2771 Includes Lubricant

fozejeae$19.0713 rev

8mo ago

Impeller & O-Ring Kit for Milwaukee M18 Transfer Pump Replaces 49-16-2771

FYRIXY$18.6215 rev

1y ago

RUHUALIFE Upgraded Impeller & O-Ring Kit Compatible with Milwaukee M18 Transfer Pump Replaces Part #49-16-2771

RUHUALIFE$19.0433 rev

1y ago

What buyers say about milwaukee transfer pump impeller

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

What buyers love

Size-Overall31%

“It fits”

Quality-Overall15%

“Quality product”

Durability9%

“feels durable”

Value For Money7%

“It was priced fair and arrived quickly”

Ease Of Use7%

“it sure went in easy”

Pressure6%

“Glad the part works well with my M18 pump, saving me time and hassle”

Assembly/Installation6%

“Easy to install”

Efficiency5%

“it works well”

Maintenance And Repair5%

“Easy replacement”

Material Quality2%

“The materials feel super durable and the part feels and looks premium”

What buyers complain about

Durability46%

“Find cracked after 2 minutes of use”

Quality-Overall23%

“Cheap isn't better”

Advertised Vs Actual Product8%

“Not as described in picture”

Compatibility-Overall8%

“The inner seal is not compatible”

Material Quality4%

“Very poor material quality”

Size-Overall4%

“Its a little time consuming to fit”

Top return reasons

Durability45%

Functionality-Overall23%

Size-Overall18%

Assembly/Installation5%

Mechanism Issues5%

Jamming/Clogging5%

Common questions

Is milwaukee transfer pump impeller profitable to sell on Amazon United States?: The niche generates $43K/yr across 11 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +118.8%. Flapen's verdict: Worth a look (63/100).
How competitive is the milwaukee transfer pump impeller niche?: 8 brands and 9 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in milwaukee transfer pump impeller?: Top complaints mined from reviews: Durability, Quality-Overall, Advertised Vs Actual Product. The return rate is 0.2%.
What does it cost to enter the milwaukee transfer pump impeller niche?: Listings span $15.57–$27.05; the average listing price is $19.90 (sweet spot $15–$100). The average incumbent carries 54 reviews — the moat a new listing must climb.