---
title: "13/16 spark plug socket — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/13-16-spark-plug-socket"
last_updated: "2026-07-14T02:37:35.559Z"
locale: en
meta:
  description: "a small market ($55K/yr) — 13/16 spark plug socket doesn't clear our bar today."
  "og:description": "a small market ($55K/yr) — 13/16 spark plug socket doesn't clear our bar today."
  "og:title": "13/16 spark plug socket — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **13/16 spark plug socket**

**Skip it**

A small market ($55K/yr) — this niche doesn't clear our bar today.

Market size 14Growth 52Conversion 98Competition 42Returns 50Price range 27Avg price 32Brand share 71Review moat 73Quality gap 24

**Conversion**

**Incredible****16.4%**

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

**Review moat**

**Good****582.06**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****62%**

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

**Growth**

**Good****+22.6%**

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

**Returns**

**Good****3.0%**

return rate — above 6% kills the launch gate

**Competition**

**Okay****60%**

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

**Avg price**

**Okay****$9.82**

avg listing price — sweet spot $15–$100

**Price range**

**Okay****$5.98–$18.30**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$55K**

$55K/yr · 34K searches

## **Competition**

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

**Brands**

**15 **▲rising

**Sellers**

**24**

**Top-5 brand share**

**62%**

**Open market**

**30%**

- A ABIGAIL23% - TEKTON11% - starfa lab10% - GZZTORES9% - GEARWRENCH9% - LAINLOY8%

## **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%$6K20%$11K30%$17K40%$22K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 17 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![13/16-inch Magnetic Spark Plug Socket 3/8-inch Drive 6-Point Powerful Magnet Retains Spark Plugs Chrome Vanadium Steel](https://m.media-amazon.com/images/I/31wa+u3Y5ZL.jpg)**13/16-inch Magnetic Spark Plug Socket 3/8-inch Drive 6-Point Powerful Magnet Retains Spark Plugs Chrome Vanadium Steel**A ABIGAIL**$9.95**4.6★1,047 rev](https://www.amazon.com/dp/B0BYZDKN9B) [2![TEKTON 3/8 Inch Drive x 13/16 Inch Deep 6-Point Socket | SHD13021](https://m.media-amazon.com/images/I/31su1C897BL.jpg)**TEKTON 3/8 Inch Drive x 13/16 Inch Deep 6-Point Socket | SHD13021**TEKTON**$6.44**4.8★2,074 rev](https://www.amazon.com/dp/B07R7553BS) [3![GZZTORES Spark Plug Socket Wrench T-Handle 5/8 Inch (16mm) and 13/16 Inch(21mm) Spark Plug Socket Wrench Remover Installer Tool for Motorcycles Lawn mowers and Small Motor Vehicles etc](https://m.media-amazon.com/images/I/217T3gPzXTL.jpg)**GZZTORES Spark Plug Socket Wrench T-Handle 5/8 Inch (16mm) and 13/16 Inch(21mm) Spark Plug Socket Wrench Remover Installer Tool for Motorcycles Lawn mowers and Small Motor Vehicles etc**GZZTORES**$7.33**4.6★405 rev](https://www.amazon.com/dp/B0D78S2L7Q) [4![GEARWRENCH 3/8 Drive 2-1/2 Spark Plug Socket 13/16 6 Point - 80403](https://m.media-amazon.com/images/I/311lUteqeFL.jpg)**GEARWRENCH 3/8 Drive 2-1/2 Spark Plug Socket 13/16 6 Point - 80403**GEARWRENCH**$6.17**4.7★52 rev](https://www.amazon.com/dp/B009TCBMYI) [5![1PCS Magnetic Spark Plug Socket Powerful Magnet Retains Spark Plugs Chrome Vanadium Steel Spark Plug Socket (13/16-inch)](https://m.media-amazon.com/images/I/31ouyWVtVUL.jpg)**1PCS Magnetic Spark Plug Socket Powerful Magnet Retains Spark Plugs Chrome Vanadium Steel Spark Plug Socket (13/16-inch)**LAINLOY**$7.61**4.7★197 rev](https://www.amazon.com/dp/B0D561KQBZ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 6-Point)](https://m.media-amazon.com/images/I/41ZPcNSmEPL.jpg)**13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 6-Point)**starfa lab**$8.82**17 rev5mo ago](https://www.amazon.com/dp/B0GJXBZ35K) [![13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 12-Point)](https://m.media-amazon.com/images/I/314N05SS-gL.jpg)**13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 12-Point)**starfa lab**$11.94**17 rev5mo ago](https://www.amazon.com/dp/B0GJX6TB3G) [![pwkauka 3Pcs Spark Plug Socket Wrench Set T-Handle Universal 5/8 & 13/16 Spark Plug Tool Remover and Installer Tool for Motorcycles Lawn Mowers Small Motor Vehicles Car Accessories](https://m.media-amazon.com/images/I/418TalGF-NL.jpg)**pwkauka 3Pcs Spark Plug Socket Wrench Set T-Handle Universal 5/8 & 13/16 Spark Plug Tool Remover and Installer Tool for Motorcycles Lawn Mowers Small Motor Vehicles Car Accessories**pwkauka**$5.98**205 rev10mo ago](https://www.amazon.com/dp/B0FLV5ZYGT) [![Qixiang CB 13/16 Spark Plug Socket Set Thin Walled Magnetic Spark Plug Socket Car Accessories Universal Joint 3/8 Drive 12 Point Swivel Socket Removal Tool (13/16inch)](https://m.media-amazon.com/images/I/21Uj-mQTFbL.jpg)**Qixiang CB 13/16 Spark Plug Socket Set Thin Walled Magnetic Spark Plug Socket Car Accessories Universal Joint 3/8 Drive 12 Point Swivel Socket Removal Tool (13/16inch)**Qixiang CB**$11.67**110 rev1y ago](https://www.amazon.com/dp/B0F9JZSMVW) [![ELEAD 6-Piece 3/8 Drive Spark Plug Socket Set with Spark Plug Gapper SAE & Metric 5/8 3/4 13/16 14mm 18mm CR-V Sockets with Rubber Holding Rings](https://m.media-amazon.com/images/I/51Ni1O1NtvL.jpg)**ELEAD 6-Piece 3/8 Drive Spark Plug Socket Set with Spark Plug Gapper SAE & Metric 5/8 3/4 13/16 14mm 18mm CR-V Sockets with Rubber Holding Rings**ELEAD**$14.08**702 rev1y ago](https://www.amazon.com/dp/B0F8H9W7SD)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 6-Point)](https://m.media-amazon.com/images/I/41ZPcNSmEPL.jpg)**13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 6-Point)**starfa lab**$8.82**4.7★**▲ 175%**](https://www.amazon.com/dp/B0GJXBZ35K) [![13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 12-Point)](https://m.media-amazon.com/images/I/314N05SS-gL.jpg)**13/16 Spark Plug Socket Set Thin Wall 12 Point 3/8 Drive Magnetic Spark Plug Removal Tool Compatible with Many European and Japanese Vehicles Universal Joint Swivel Socket (13/16inch 12-Point)**starfa lab**$11.94**4.7★**▲ 157%**](https://www.amazon.com/dp/B0GJX6TB3G) [![GEARWRENCH 3/8 Drive 2-1/2 Spark Plug Socket 13/16 6 Point - 80403](https://m.media-amazon.com/images/I/311lUteqeFL.jpg)**GEARWRENCH 3/8 Drive 2-1/2 Spark Plug Socket 13/16 6 Point - 80403**GEARWRENCH**$6.17**4.7★**▲ 91%**](https://www.amazon.com/dp/B009TCBMYI) [![TEKTON 3/8 Inch Drive x 13/16 Inch Deep 6-Point Socket | SHD13021](https://m.media-amazon.com/images/I/31su1C897BL.jpg)**TEKTON 3/8 Inch Drive x 13/16 Inch Deep 6-Point Socket | SHD13021**TEKTON**$6.44**4.8★**▲ 63%**](https://www.amazon.com/dp/B07R7553BS) [![13/16 Spark Plug Socket Magnetic 3/8 Drive 6-Point Spark Plug Removal Tool with Thin Wall Design Universal Magnetic Sockets for Installing and Disassembling Sparks Plugs (13/16 inch)](https://m.media-amazon.com/images/I/41FbGCe0+QL.jpg)**13/16 Spark Plug Socket Magnetic 3/8 Drive 6-Point Spark Plug Removal Tool with Thin Wall Design Universal Magnetic Sockets for Installing and Disassembling Sparks Plugs (13/16 inch)**YGDMD**$7.34**4.6★**▲ 42%**](https://www.amazon.com/dp/B0F1ZZ98R5)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 61 weeks — +22.6% search growth over the last 90 days.

1K800Spike '25Black Friday '25Holiday '25Spike '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Apr, May · busiest ÷ quietest = 2.3×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**20%

*“High quality tools at a great price”*

**Advertised Vs Actual Product**15%

*“Works great as intended”*

**Socket/Port/Plug**14%

*“Nice SP socket”*

**Ease Of Use**13%

*“Easy to use”*

**Size-Overall**8%

*“Fits perfectly”*

**Magnetic Strength/Adsorption**5%

*“Strong magnet”*

**Efficiency**5%

*“Works perfectly”*

**Value For Money**5%

*“the price is reasonable”*

**Strength**4%

*“The holder is great”*

**Durability**3%

*“durability was good”*

### **What buyers complain about **

**Socket/Port/Plug**21%

*“wont hold any of the sockets”*

**Size-Overall**13%

*“Did not fit my motorcycle spark plug”*

**Functionality-Overall**13%

*“Didnt get the job done”*

**Quality-Overall**9%

*“Poor quality”*

**Grip**8%

*“However, when I put in the new plug, it does not grip as tight, even allowing the plug to fall off”*

**Advertised Vs Actual Product**6%

*“Very misleading”*

**Ease Of Use**5%

*“Hard to use”*

**Durability**5%

*“Broken on the first use”*

**Rubber Quality**3%

*“Rubber only last for 1 time”*

**Defective Material/Parts**3%

*“Not sure if it was a defective set”*

### **Top return reasons **

**Size-Overall**51%

**Socket/Port/Plug**16%

**Functionality-Overall**5%

**Compatibility-Overall**5%

**Value For Money**3%

**Quality-Overall**3%

**Advertised Vs Actual Product**3%

**Defective Material/Parts**3%

**Rubber Quality**2%

**Magnetic Strength/Adsorption**2%