---
title: "5 Pin Relay — $48K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/5-pin-relay"
last_updated: "2026-08-09T11:42:43.173Z"
locale: en
meta:
description: "Niche score 46/100 · $48K/yr market · 50K searches/yr · $12.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $48K/yr market · 50K searches/yr · $12.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "5 Pin Relay — $48K/yr Amazon US Niche (2026) - Flapen"
---
# **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 5% 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
According to Flapen's Amazon United States niche tracking, 5 pin relay is a $48K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 46/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **5 pin relay market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$50K–$63K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#68**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
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%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 97%
**Open market**
**17%**
- iRhapsody31% - Nilight20% - ecocstm14% - Hamolar8% - BFXM5% - Ronybuy4% - Open — no brand owns it (9 brands, 17%)
## **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×
[**Open Trend **](https://flapen.com/research/us/automotive/5-pin-relay/trend)
## **Top 5 pin relay search terms**
- **5 pin relay**29K/yr+10.4%7.4% conv. - **5 pin relay 12v**9K/yr+28.5%8.6% conv. - **spdt relay**7K/yr-13.4%3.9% conv. - **5 prong relay**3K/yr+6.6%9.7% conv. - **spdt relay 12v**2K/yr-8.0%5.4% conv. [**All search terms **](https://flapen.com/research/us/automotive/5-pin-relay/search-terms)
## **Top 5 pin 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.
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**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**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**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**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**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**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**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**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**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)**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**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**BFXM**$8.04**4.3★**▲ 76%**](https://www.amazon.com/dp/B0DHX97WQX) [**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**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**ecocstm**$8.52**4.3★**▲ 50%**](https://www.amazon.com/dp/B0DC9SL6F9)
**~~View all trending →~~**
## **What buyers say about 5 pin relay**
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%
## **Common questions**
- **Is 5 pin relay profitable to sell on Amazon United States?**
- The niche generates $48K/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +8.2%. Flapen's verdict: Skip it (46/100).
- **How competitive is the 5 pin relay niche?**
- 15 brands and 20 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in 5 pin relay?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Compatibility-Overall. The return rate is 1.8%.
- **When does demand for 5 pin relay peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the 5 pin relay niche?**
- Listings span $5.97–$29.41; the average listing price is $12.61 (sweet spot $15–$100). The average incumbent carries 895 reviews — the moat a new listing must climb.
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