---
title: "5 pin relay — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/5-pin-relay"
last_updated: "2026-07-14T03:44:59.331Z"
locale: en
meta:
  description: "a small market ($48K/yr) — 5 pin relay doesn't clear our bar today."
  "og:description": "a small market ($48K/yr) — 5 pin relay doesn't clear our bar today."
  "og:title": "5 pin relay — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **5 pin relay**

**Skip it**

A small market ($48K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 35Conversion 78Competition 42Returns 79Price range 61Avg price 55Brand share 44Review moat 65Quality gap 30

**Returns**

**Great****1.8%**

return rate — above 6% kills the launch gate

**Conversion**

**Great****7.6%**

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

**Review moat**

**Good****894.87**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$5.97–$29.41**

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

**Avg price**

**Good****$12.61**

avg listing price — sweet spot $15–$100

**Brand share**

**Okay****79%**

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

**Competition**

**Okay****60%**

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

**Growth**

**Okay****+8.2%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$48K**

$48K/yr · 50K searches

## **Competition**

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▼falling

**Sellers**

**20**

**Top-5 brand share**

**79%**

**Open market**

**17%**

- iRhapsody31% - Nilight20% - ecocstm14% - Hamolar8% - BFXM5% - Ronybuy4% - Open — no brand owns it (9 brands, 17%)

## **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%5%$2K10%$5K15%$7K20%$10K1101001K10K 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![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) [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![Hamolar 2 Pack 12V 40/30 Amp Car Relay DC 5 Pin SPDT and Harness - Heavy Duty 12 AWG Copper Wires Relays Kit for Automotive Truck Motorcycle Boat](https://m.media-amazon.com/images/I/41HlBEq-K5S.jpg)**Hamolar 2 Pack 12V 40/30 Amp Car Relay DC 5 Pin SPDT and Harness - Heavy Duty 12 AWG Copper Wires Relays Kit for Automotive Truck Motorcycle Boat**Hamolar**$8.24**4.7★586 rev](https://www.amazon.com/dp/B093GMF6M1) [5![Nilight 10 Pack SPDT 5PIN Electrical Relays 12V 30/40 Amp 5-Pin Switch Relay for Automotive Car Truck Marine Boat](https://m.media-amazon.com/images/I/41pUJ0EVYVL.jpg)**Nilight 10 Pack SPDT 5PIN Electrical Relays 12V 30/40 Amp 5-Pin Switch Relay for Automotive Car Truck Marine Boat**Nilight**$12.77**4.5★1,346 rev](https://www.amazon.com/dp/B07VS16PV3)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![oovmaan 5Pack 5Pin DC 12V 40A MultiPurpose Replacement Automotive Relay for AC Fan Oil Pump Light Modification](https://m.media-amazon.com/images/I/41H4SiT7CsL.jpg)**oovmaan 5Pack 5Pin DC 12V 40A MultiPurpose Replacement Automotive Relay for AC Fan Oil Pump Light Modification**oovmaan**$12.75**1 rev6mo ago](https://www.amazon.com/dp/B0GCZQV1F8) [![BFXM 5 Pin Relay 12V Automotive Relay Kit with 14&16 AWG Harness SPDT 40/30 AMP Waterproof Heavy Duty Relay for Horn Starter Radiator Fan Motor](https://m.media-amazon.com/images/I/413CL8jEWyL.jpg)**BFXM 5 Pin Relay 12V Automotive Relay Kit with 14&16 AWG Harness SPDT 40/30 AMP Waterproof Heavy Duty Relay for Horn Starter Radiator Fan Motor**BFXM**$8.04**15 rev1y ago](https://www.amazon.com/dp/B0DHX97WQX) [![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) [![Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness 12&16 AWG Tinned Copper Wires SPDT Automotive Relay Kit for Horns Starters Radiator Motor Fans Boats Pack of 2](https://m.media-amazon.com/images/I/41LcdBVOBPL.jpg)**Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness 12&16 AWG Tinned Copper Wires SPDT Automotive Relay Kit for Horns Starters Radiator Motor Fans Boats Pack of 2**Ronybuy**$12.06**147 rev1y ago](https://www.amazon.com/dp/B0DBJ2W223) [![Weasch 2 Pack JD1914 Car Relay 12V 40A 5 Pin SPDT Automotive Switches and Starters Waterproof Relay for Boat Tractor Truck Motorcycle (2)](https://m.media-amazon.com/images/I/41llOhNlWjL.jpg)**Weasch 2 Pack JD1914 Car Relay 12V 40A 5 Pin SPDT Automotive Switches and Starters Waterproof Relay for Boat Tractor Truck Motorcycle (2)**Weasch**$5.97**66 rev2y ago](https://www.amazon.com/dp/B0D6BCDKVG)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![oovmaan 5Pack 5Pin DC 12V 40A MultiPurpose Replacement Automotive Relay for AC Fan Oil Pump Light Modification](https://m.media-amazon.com/images/I/41H4SiT7CsL.jpg)**oovmaan 5Pack 5Pin DC 12V 40A MultiPurpose Replacement Automotive Relay for AC Fan Oil Pump Light Modification**oovmaan**$12.75**5.0★**▲ 252%**](https://www.amazon.com/dp/B0GCZQV1F8) [![BFXM 5 Pin Relay 12V Automotive Relay Kit with 14&16 AWG Harness SPDT 40/30 AMP Waterproof Heavy Duty Relay for Horn Starter Radiator Fan Motor](https://m.media-amazon.com/images/I/413CL8jEWyL.jpg)**BFXM 5 Pin Relay 12V Automotive Relay Kit with 14&16 AWG Harness SPDT 40/30 AMP Waterproof Heavy Duty Relay for Horn Starter Radiator Fan Motor**BFXM**$8.04**4.3★**▲ 76%**](https://www.amazon.com/dp/B0DHX97WQX) [![BOSCH 0986332022 Changeover Mini Relay - 5 Pins 12V 40/60A - Single](https://m.media-amazon.com/images/I/41j4g4WgFcL.jpg)**BOSCH 0986332022 Changeover Mini Relay - 5 Pins 12V 40/60A - Single**Bosch**$15.49**4.5★**▲ 72%**](https://www.amazon.com/dp/B0068M3BLO) [![Nilight SPST Multi Purpose Relay 12V 5 Prong Fuel Pump Relay 5Pack 35A/20A Ultra Micro ISO Automotive Replacement Accessory Power Relays for Automotive Cars Truck tractor Marine Boat 2 Years Warranty](https://m.media-amazon.com/images/I/41SKzOihlBL.jpg)**Nilight SPST Multi Purpose Relay 12V 5 Prong Fuel Pump Relay 5Pack 35A/20A Ultra Micro ISO Automotive Replacement Accessory Power Relays for Automotive Cars Truck tractor Marine Boat 2 Years Warranty**Nilight**$15.73**4.6★**▲ 62%**](https://www.amazon.com/dp/B0BLK2PC9Y) [![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★**▲ 50%**](https://www.amazon.com/dp/B0DC9SL6F9)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 55 weeks — +8.2% search growth over the last 90 days.

1K600Prime Day '25Spike '25 seasonJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.2×

## **Reviews**

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

### **What buyers love **

**Value For Money**24%

*“well worth the price”*

**Quality-Overall**24%

*“Great product, exactly as described”*

**Advertised Vs Actual Product**11%

*“Worked as it should”*

**Efficiency**10%

*“functions great”*

**Size-Overall**4%

*“fit perfect”*

**Assembly/Installation**3%

*“At first it was easy to hook up”*

**Ease Of Use**2%

*“Easy to use, effective”*

**Water Resistance**2%

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

**Weather Proof**2%

*“Weather Proof, easy to install Relay for my Box Truck Air Horn”*

**Design-Overall**2%

*“The compact design makes them easy to mount”*

### **What buyers complain about **

**Size-Overall**17%

*“Does not fit”*

**Quality-Overall**11%

*“Poor quality”*

**Compatibility-Overall**10%

*“Is not compatible with 08 Corolla”*

**Functionality-Overall**8%

*“Didn't work for me”*

**Advertised Vs Actual Product**7%

*“Falsely advertised”*

**Noise Level**3%

*“Intermittent working, loud noises, and they are not dependable”*

**Durability**3%

*“it would come apart”*

**Amplification**3%

*“No Way These Are 80 Amp Relays”*

**Color**3%

*“the colors on the harness aren't in the standard locations”*

**Instructions/User Manual/Troubleshooting**3%

*“Bad documentation”*

### **Top return reasons **

**Size-Overall**39%

**Compatibility-Overall**24%

**Functionality-Overall**8%

**Advertised Vs Actual Product**8%

**Defective Material/Parts**5%

**Value For Money**3%

**Water Resistance**2%

**Assembly/Installation**2%

**Quality-Overall**1%

**Connectivity-Overall**1%