---
title: "relay — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/relay"
last_updated: "2026-07-13T19:58:28.464Z"
locale: en
meta:
  description: "soft demand (-13.9% this quarter) — relay doesn't clear our bar today."
  "og:description": "soft demand (-13.9% this quarter) — relay doesn't clear our bar today."
  "og:title": "relay — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
---

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# **relay**

**Skip it**

Soft demand (-13.9% this quarter) — this niche doesn't clear our bar today.

Market size 58Growth 18Conversion 50Competition 37Returns 80Price range 61Avg price 64Brand share 21Review moat 62Quality gap 25

**Returns**

**Great****1.8%**

return rate — above 6% kills the launch gate

**Avg price**

**Good****$13.71**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****1,004.57**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$5.92–$29.41**

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

**Market size**

**Good****$452K**

$452K/yr · 827K searches

**Conversion**

**Okay****4.0%**

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

**Competition**

**Okay****63%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-13.9%**

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

## **Competition**

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **▼falling

**Sellers**

**16**

**Top-5 brand share**

**92%**

**Open market**

**5%**

- iRhapsody36% - Nilight21% - Gebildet19% - AEDIKO9% - ecocstm7% - Weasch3% - Open — no brand owns it (3 brands, 5%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$45K20%$90K30%$136K40%$181K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with Heavy-Duty Pigtail 5-PIN SPDT Automotive Relay](https://m.media-amazon.com/images/I/51ySbID3AQL.jpg)**irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with Heavy-Duty Pigtail 5-PIN SPDT Automotive Relay**iRhapsody**$25.55**4.7★3,540 rev](https://www.amazon.com/dp/B074FSZWVT) [2![Gebildet 2pcs 12V 40A 4 Pin SPST Car Relay Harness JD1912 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Boat Motorcycle](https://m.media-amazon.com/images/I/31bCjlP1B8L.jpg)**Gebildet 2pcs 12V 40A 4 Pin SPST Car Relay Harness JD1912 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Boat Motorcycle**Gebildet**$8.04**4.7★2,361 rev](https://www.amazon.com/dp/B078T8CMF6) [3![Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack 2 Years Warranty](https://m.media-amazon.com/images/I/51Ve81O6uQL.jpg)**Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack 2 Years Warranty**Nilight**$12.53**4.6★3,431 rev](https://www.amazon.com/dp/B0748F1JK4) [4![irhapsody 4-pin 40/30AMP 12V DC Waterproof Relay with Heavy Duty Wires SPST Automotive Relay Pack of 1](https://m.media-amazon.com/images/I/41+cD1At0GL.jpg)**irhapsody 4-pin 40/30AMP 12V DC Waterproof Relay with Heavy Duty Wires SPST Automotive Relay Pack of 1**iRhapsody**$10.03**4.7★983 rev](https://www.amazon.com/dp/B08D8TSMFV) [5![4 PCS Relays 5 Pin Relay 40A Waterproof Car Relays 12V Relay Switch for Electric Cooling Fans Motor Starters Automotive Taillights](https://m.media-amazon.com/images/I/41R+a1wOpaL.jpg)**4 PCS Relays 5 Pin Relay 40A Waterproof Car Relays 12V Relay Switch for Electric Cooling Fans Motor Starters Automotive Taillights**ecocstm**$8.52**4.3★302 rev](https://www.amazon.com/dp/B0DC9SL6F9)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4 PCS Relays 5 Pin Relay 40A Waterproof Car Relays 12V Relay Switch for Electric Cooling Fans Motor Starters Automotive Taillights](https://m.media-amazon.com/images/I/41R+a1wOpaL.jpg)**4 PCS Relays 5 Pin Relay 40A Waterproof Car Relays 12V Relay Switch for Electric Cooling Fans Motor Starters Automotive Taillights**ecocstm**$8.52**302 rev1y ago](https://www.amazon.com/dp/B0DC9SL6F9) [![Weasch Waterproof Relay Kit 12V 40A 4 Pin SPST Heavy Duty 14 AWG Tinned Copper Wires Automotive Relay and Harness Set for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41CQa-xixGL.jpg)**Weasch Waterproof Relay Kit 12V 40A 4 Pin SPST Heavy Duty 14 AWG Tinned Copper Wires Automotive Relay and Harness Set for Automotive Car Marine Boat**Weasch**$6.76**132 rev2y ago](https://www.amazon.com/dp/B0D8636NZH) [![Weasch 2 Pack JD1912 Car Relay 12V 40A 4 Pins SPST Automotive Switches and Starters Waterproof Relay for Boat Tractor Truck Motorcycle (2)](https://m.media-amazon.com/images/I/41XtdHdHh7L.jpg)**Weasch 2 Pack JD1912 Car Relay 12V 40A 4 Pins SPST Automotive Switches and Starters Waterproof Relay for Boat Tractor Truck Motorcycle (2)**Weasch**$5.96**207 rev2y ago](https://www.amazon.com/dp/B0D6KF182K) [![DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal Relay Panel for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41OHnNbDVFL.jpg)**DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal Relay Panel for Automotive Car Marine Boat**DAIERTEK**$25.82**505 rev2y ago](https://www.amazon.com/dp/B0CP56SXNT) [![irhapsody 12vdc 30amp 4-pin Spst Multi-Purpose Starter Relay Automotive Replacement Relays](https://m.media-amazon.com/images/I/5153Z4+V34L.jpg)**irhapsody 12vdc 30amp 4-pin Spst Multi-Purpose Starter Relay Automotive Replacement Relays**iRhapsody**$12.76**376 rev2y ago](https://www.amazon.com/dp/B0CGXVQSGZ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Weasch Waterproof Relay Kit 12V 40A 4 Pin SPST Heavy Duty 14 AWG Tinned Copper Wires Automotive Relay and Harness Set for Automotive Car Marine Boat](https://m.media-amazon.com/images/I/41CQa-xixGL.jpg)**Weasch Waterproof Relay Kit 12V 40A 4 Pin SPST Heavy Duty 14 AWG Tinned Copper Wires Automotive Relay and Harness Set for Automotive Car Marine Boat**Weasch**$6.76**4.8★**▲ 166%**](https://www.amazon.com/dp/B0D8636NZH) [![AEDIKO 10pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation High or Low Level Trigger](https://m.media-amazon.com/images/I/61uPCJnChaL.jpg)**AEDIKO 10pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation High or Low Level Trigger**AEDIKO**$12.11**4.4★**▲ 106%**](https://www.amazon.com/dp/B0BHLDW9G5) [![irhapsody 12vdc 30amp 4-pin Spst Multi-Purpose Starter Relay Automotive Replacement Relays](https://m.media-amazon.com/images/I/5153Z4+V34L.jpg)**irhapsody 12vdc 30amp 4-pin Spst Multi-Purpose Starter Relay Automotive Replacement Relays**iRhapsody**$12.76**4.6★**▲ 100%**](https://www.amazon.com/dp/B0CGXVQSGZ) [![AEDIKO 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation High or Low Level Trigger](https://m.media-amazon.com/images/I/515jw7E5tgL.jpg)**AEDIKO 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation High or Low Level Trigger**AEDIKO**$7.07**4.5★**▲ 81%**](https://www.amazon.com/dp/B095YD3732) [![irhapsody 12v 30A 5-pin Spdt Multi-Purpose Starter Relay](https://m.media-amazon.com/images/I/51fxdZTAreL.jpg)**irhapsody 12v 30A 5-pin Spdt Multi-Purpose Starter Relay**iRhapsody**$12.80**4.6★**▲ 30%**](https://www.amazon.com/dp/B0BJ9QY6T8)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -13.9% search growth over the last 90 days.

30K20KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**29%

*“The build quality is impressive for the price point”*

**Value For Money**17%

*“Reasonable price”*

**Efficiency**12%

*“Works flawlessly”*

**Advertised Vs Actual Product**10%

*“Worked as it should”*

**Assembly/Installation**5%

*“Easy to install”*

**Size-Overall**4%

*“fit perfect”*

**Water Resistance**2%

*“Easy to use, waterproof, solid construction”*

**Ease Of Use**2%

*“Easy to use”*

**Flexibility**2%

*“Versatile”*

**Functionality-Overall**1%

*“The product is still very functional”*

### **What buyers complain about **

**Quality-Overall**15%

*“not as good as you might think from the description”*

**Size-Overall**11%

*“Does not fit”*

**Advertised Vs Actual Product**11%

*“Falsely advertised”*

**Instructions/User Manual/Troubleshooting**7%

*“No Instructions”*

**Functionality-Overall**6%

*“still no function”*

**Compatibility-Overall**5%

*“Not for starter relay 08-12 Sedona”*

**Durability**5%

*“Dead wthin a year”*

**Noise Level**4%

*“Loud”*

**Amplification**3%

*“No Way These Are 80 Amp Relays”*

**Connectivity-Overall**2%

*“And dont come at me with connections or correct wiring”*

### **Top return reasons **

**Size-Overall**34%

**Compatibility-Overall**21%

**Functionality-Overall**13%

**Advertised Vs Actual Product**7%

**Defective Material/Parts**5%

**Value For Money**4%

**Mounting**3%

**Water Resistance**2%

**Connectivity-Overall**2%

**Quality-Overall**2%