Is ac relay profitable to sell on Amazon United States?

The niche generates $41K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.6%. Flapen's verdict: Skip it (42/100).

How competitive is the ac relay niche?

13 brands and 35 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in ac relay?

Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Functionality-Overall. The return rate is 2.9%.

When does demand for ac relay peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 1.9× the quietest.

What does it cost to enter the ac relay niche?

Listings span $6.86–$35.78; the average listing price is $14.47 (sweet spot $15–$100). The average incumbent carries 548 reviews — the moat a new listing must climb.

ac relay

Skip it

A small market ($41K/yr) — this niche doesn't clear our bar today.

Review moat

Good547.93

avg incumbent reviews — the moat a new listing must climb

Price range

Good$6.86–$35.78

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

Avg price

Good$14.47

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Good2.9%

return rate — above 5% kills the launch gate

Conversion

Okay3.6%

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

Brand share

Okay79%

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

Growth

Okay+11.6%

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

Competition

Bad73%

top-5 click share — a locked-up shelf

Market size

Bad$41K

$41K/yr · 79K searches

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, ac relay is a $41K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Skip it — 42/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

ac relay market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $36K–$43K; units × avg price
Conversion rate: 3.6%
Avg BSR: #33
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 0.0%
Avg brand age: 45 months
Avg seller age: 182 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

13 falling

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

16%

ecocstm41%
KVAEY14%
FASTSTORM9%
GM GENUINE PARTS9%
ACDelco6%
Ronybuy5%
Open — no brand owns it (7 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +11.6% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 1.9×

Open Trend

Top ac relay search terms

fan relay27K/yr +18.0%2.1% conv.
cooling fan relay19K/yr +15.3%1.9% conv.
radiator fan relay16K/yr +15.9%1.7% conv.
blower motor relay17K/yr -6.9%1.2% conv.

All search terms

Top ac relay 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

4 PCS Relays 5 Pin Relay 40A Waterproof Car Relays 12V Relay Switch for Electric Cooling Fans Motor Starters Automotive Taillights

ecocstm$8.524.3★302 rev

KVAEY 2 PCS Car AC Relay G8HL-H71 4 Pin Multiple Use Power Relay Assembly Fan Relay Automotive Starter Relay Compatible with Accord Element Civic CR-Z CR-V Car Accessories (2 PCS)

KVAEY$6.864.2★150 rev

FASTSTORM Electric Fan Relay Kit 12V 60 AMP Electric Radiator Cooling Waterproof Fan Relay Kit with Thermostat Control Switch 185 On 175 Off Upgrade

FASTSTORM$21.444.6★125 rev

GM Genuine Parts 13500114 Multi-Purpose Relay

GM GENUINE PARTS$9.354.6★901 rev

2 PCS Electric Fan Relay Kit Dual Electric Fan Relay Kit 185 On 175 Off Thermostat Switch 40A Relays 12V Cooling Radiator Fan Relays Wiring Kits for Replacing Faulty Wiring Truck Engine Cooling

ecocstm$20.844.4★42 rev

Newest

by launch date

PAIYUE 4PCS Fan Relay Car Accessories 4 Pins Car AC Relay Automotive Replacement Starter Relays Air Conditioning Compressor Relays Replace OEM G8HL-H71-12VDC Apply to Air Conditioning Fan Headlight

PAIYUE$8.9912 rev

6mo ago

yorpyep 4 PCS 5 Pin Relay DC 12 V 30 A Multi-Purpose Oil Pump Air Conditioning Fan Relay Heavy Duty Accessories Waterproof Housing Plug and Play Motor Replacement for Most Cars Trucks (Black)

yorpyep$8.008 rev

1y ago

2 PCS Electric Fan Relay Kit Dual Electric Fan Relay Kit 185 On 175 Off Thermostat Switch 40A Relays 12V Cooling Radiator Fan Relays Wiring Kits for Replacing Faulty Wiring Truck Engine Cooling

ecocstm$20.8442 rev

1y ago

FASTSTORM Electric Fan Relay Kit 12V 60 AMP Electric Radiator Cooling Waterproof Fan Relay Kit with Thermostat Control Switch 185 On 175 Off Upgrade

FASTSTORM$21.44125 rev

1y ago

KVAEY 2 PCS Car AC Relay G8HL-H71 4 Pin Multiple Use Power Relay Assembly Fan Relay Automotive Starter Relay Compatible with Accord Element Civic CR-Z CR-V Car Accessories (2 PCS)

KVAEY$6.86150 rev

1y ago

What buyers say about ac relay

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

What buyers love

Quality-Overall26%

“Quality at a fair price”

Value For Money22%

“Worth it”

Advertised Vs Actual Product12%

“Works as Intended”

Assembly/Installation9%

“Very easy, hook up and use”

Efficiency8%

“Works great”

Size-Overall8%

“fit perfect”

Water Resistance3%

“they feel much more substantial than the standard non-waterproof versions”

Socket/Port/Plug1%

“Excellent relay and socket”

Motor Power1%

“Fan motor assembly did the trick”

Heating1%

“Heater”

What buyers complain about

Size-Overall24%

“Also they are significantly shorter than the original”

Compatibility-Overall20%

“Does NOT fit a 2006 Honda CR-V”

Functionality-Overall13%

“Didn't work”

Quality-Overall8%

“Switch is junk”

Advertised Vs Actual Product8%

“Falsely advertised”

Value For Money6%

“Not worth the price”

Durability4%

“Failed in 4 days”

Sensor2%

“After having tap the hole in the side of my block a little bigger for the sensor to fit Wired everything up according to the directions Had nothing”

Amplification2%

“blows them so I had to use 25 amp”

Heating2%

“Thermal switch lasted one heat cycle on truck”

Top return reasons

Size-Overall41%

Compatibility-Overall25%

Functionality-Overall10%

Advertised Vs Actual Product7%

Defective Material/Parts6%

Value For Money2%

Connectivity-Overall1%

Assembly/Installation1%

Quality-Overall1%

Heating1%

Common questions

Is ac relay profitable to sell on Amazon United States?: The niche generates $41K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.6%. Flapen's verdict: Skip it (42/100).
How competitive is the ac relay niche?: 13 brands and 35 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in ac relay?: Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Functionality-Overall. The return rate is 2.9%.
When does demand for ac relay peak?: Demand peaks in Jun–Jul–Aug; the busiest month runs 1.9× the quietest.
What does it cost to enter the ac relay niche?: Listings span $6.86–$35.78; the average listing price is $14.47 (sweet spot $15–$100). The average incumbent carries 548 reviews — the moat a new listing must climb.

ac relay

ac relay market data

Competition & brand share

Demand & seasonality

Top ac relay search terms

Top ac relay products on Amazon

Top sellers

Newest

Trending

What buyers say about ac relay

What buyers love

What buyers complain about

Top return reasons

Common questions

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