---
title: "28mm Socket — $69K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/28mm-socket"
last_updated: "2026-08-09T17:11:26.928Z"
locale: en
meta:
  description: "Niche score 38/100 · $69K/yr market · 38K searches/yr · $9.69 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 38/100 · $69K/yr market · 38K searches/yr · $9.69 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "28mm Socket — $69K/yr Amazon US Niche (2026) - Flapen"
---

# **28mm socket**

**Skip it**

Prices mostly outside the sweet spot ($7.00–$14.71) — this niche doesn't clear our bar today.

Market size 17Growth 25Conversion 99Competition 22Returns 96Price range 0Avg price 31Brand share 32Review moat 45Quality gap 16

**Conversion**

**Incredible****18.6%**

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

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Review moat**

**Okay****1,990**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****86%**

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

**Avg price**

**Okay****$9.69**

avg listing price — sweet spot $15–$100

**Growth**

**Okay****+0.1%**

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

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$69K**

$69K/yr · 38K searches

**Quality gap**

**Bad****4.8★**

avg incumbent rating — lower means beatable quality

**Price range**

**Bad****$7.00–$14.71**

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

According to Flapen's Amazon United States niche tracking, 28mm socket is a $69K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 38/100.

Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **28mm socket market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$58K–$78K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**18.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#28**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**67%**</dd>

<dt>**Out of stock**</dt><dd>**5.6%**</dd>

<dt>**Avg brand age**</dt><dd>**48 months**</dd>

<dt>**Avg seller age**</dt><dd>**181 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**7 **—flat

**Sellers**

**16**

**Top-5 brand share**

**86%**

Top 20: 100%

**Top-5 click share**

**73%**

Top 20: 100%

**Open market**

**5%**

- Felisbieti38% - GEARWRENCH15% - TIGHTSPOT12% - TEKTON10% - LIFSHP10% - MIXPOWER9% - Open — no brand owns it (1 brand, 5%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +0.1% search growth over the last 90 days.

900700Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/us/automotive/28mm-socket/trend)

## **Top 28mm socket 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%10%$7K20%$14K30%$21K40%$28K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 12 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Felisbieti 28mm fuel filter Socket Cummins tools 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool](https://m.media-amazon.com/images/I/31mNcgIYXZL.jpg)**Felisbieti 28mm fuel filter Socket Cummins tools 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool**Felisbieti**$7.00**4.7★1,862 rev](https://www.amazon.com/dp/B0CYTJLDGC) [2![GEARWRENCH 1/2 Drive 6 Pt. Standard Impact Socket 28mm - 84539N](https://m.media-amazon.com/images/I/41h9MCQR3nL.jpg)**GEARWRENCH 1/2 Drive 6 Pt. Standard Impact Socket 28mm - 84539N**GEARWRENCH**$8.95**4.8★555 rev](https://www.amazon.com/dp/B00UM65Z6Q) [3![LIFSHP 28MM Oil Filter Socket 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool-Green](https://m.media-amazon.com/images/I/41n5wC99EoL.jpg)**LIFSHP 28MM Oil Filter Socket 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool-Green**LIFSHP**$7.25**4.7★551 rev](https://www.amazon.com/dp/B0F6CLW5ZK) [4![MIXPOWER 1/2-Inch Drive Deep Impact Socket - 28mm Metric CR-MO 6-Point Deep 1/2Dr. Axle Nut Socket Impact Grade for Easy Removal](https://m.media-amazon.com/images/I/31vD-gngKcL.jpg)**MIXPOWER 1/2-Inch Drive Deep Impact Socket - 28mm Metric CR-MO 6-Point Deep 1/2Dr. Axle Nut Socket Impact Grade for Easy Removal**MIXPOWER**$9.51**4.8★2,951 rev](https://www.amazon.com/dp/B0B24Q9H9C) [5![TEKTON 1/2 Inch Drive x 28 mm Shallow 6-Point Socket | SHD22128](https://m.media-amazon.com/images/I/41K8ut+CHIL.jpg)**TEKTON 1/2 Inch Drive x 28 mm Shallow 6-Point Socket | SHD22128**TEKTON**$7.55**4.8★8,501 rev](https://www.amazon.com/dp/B07R7HBLVT)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Felisbieti 28mm oil filter Socket wrench 1/2 drive CR-MO for Dodge Ram 6.7 Cummins Oil filter/Fuel Filter Canister cap also other vehicle 28mm oil filter removal tool](https://m.media-amazon.com/images/I/31fARcDqLmL.jpg)**Felisbieti 28mm oil filter Socket wrench 1/2 drive CR-MO for Dodge Ram 6.7 Cummins Oil filter/Fuel Filter Canister cap also other vehicle 28mm oil filter removal tool**Felisbieti**$8.73**1,862 rev8mo ago](https://www.amazon.com/dp/B0G1M9RQRF) [![WORKPRO 28mm Oil Filter Socket Wrench Oil Filter Removal Tool Oil Filter Change Set Ideal for Some Dodge Ram 6.7L Cummins Oil/Fuel Filter Canister](https://m.media-amazon.com/images/I/31yf26yyy9L.jpg)**WORKPRO 28mm Oil Filter Socket Wrench Oil Filter Removal Tool Oil Filter Change Set Ideal for Some Dodge Ram 6.7L Cummins Oil/Fuel Filter Canister**WORKPRO**$8.06**882 rev1y ago](https://www.amazon.com/dp/B0F4QF38DK) [![LIFSHP 28MM Oil Filter Socket 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool-Green](https://m.media-amazon.com/images/I/41n5wC99EoL.jpg)**LIFSHP 28MM Oil Filter Socket 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool-Green**LIFSHP**$7.25**551 rev1y ago](https://www.amazon.com/dp/B0F6CLW5ZK) [![TIGHTSPOT 1/2 Inch Drive 28 mm Deep Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel](https://m.media-amazon.com/images/I/41VAHBch4dL.jpg)**TIGHTSPOT 1/2 Inch Drive 28 mm Deep Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel**TIGHTSPOT**$9.78**526 rev1y ago](https://www.amazon.com/dp/B0DMQ5HBRV) [![TIGHTSPOT 1/2 Inch Drive - 28mm Shallow Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel Metric](https://m.media-amazon.com/images/I/31llZRvWw7L.jpg)**TIGHTSPOT 1/2 Inch Drive - 28mm Shallow Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel Metric**TIGHTSPOT**$9.80**144 rev2y ago](https://www.amazon.com/dp/B0CT64SC1R)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Felisbieti 28mm oil filter Socket wrench 1/2 drive CR-MO for Dodge Ram 6.7 Cummins Oil filter/Fuel Filter Canister cap also other vehicle 28mm oil filter removal tool](https://m.media-amazon.com/images/I/31fARcDqLmL.jpg)**Felisbieti 28mm oil filter Socket wrench 1/2 drive CR-MO for Dodge Ram 6.7 Cummins Oil filter/Fuel Filter Canister cap also other vehicle 28mm oil filter removal tool**Felisbieti**$8.73**4.7★**▲ 216%**](https://www.amazon.com/dp/B0G1M9RQRF) [![TIGHTSPOT 1/2 Inch Drive - 28mm Shallow Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel Metric](https://m.media-amazon.com/images/I/31llZRvWw7L.jpg)**TIGHTSPOT 1/2 Inch Drive - 28mm Shallow Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel Metric**TIGHTSPOT**$9.80**4.7★**▲ 158%**](https://www.amazon.com/dp/B0CT64SC1R) [![TEKTON 1/2 Inch Drive x 28 mm Deep 6-Point Impact Socket | SID23128](https://m.media-amazon.com/images/I/31X+baNGt7L.jpg)**TEKTON 1/2 Inch Drive x 28 mm Deep 6-Point Impact Socket | SID23128**TEKTON**$11.26**4.8★**▲ 129%**](https://www.amazon.com/dp/B08DK67HPF) [![TEKTON 1/2 Inch Drive x 28 mm Shallow 6-Point Socket | SHD22128](https://m.media-amazon.com/images/I/41K8ut+CHIL.jpg)**TEKTON 1/2 Inch Drive x 28 mm Shallow 6-Point Socket | SHD22128**TEKTON**$7.55**4.8★**▲ 115%**](https://www.amazon.com/dp/B07R7HBLVT) [![MIXPOWER 1/2-Inch Drive Deep Impact Socket - 28mm Metric CR-MO 6-Point Deep 1/2Dr. Axle Nut Socket Impact Grade for Easy Removal](https://m.media-amazon.com/images/I/31vD-gngKcL.jpg)**MIXPOWER 1/2-Inch Drive Deep Impact Socket - 28mm Metric CR-MO 6-Point Deep 1/2Dr. Axle Nut Socket Impact Grade for Easy Removal**MIXPOWER**$9.51**4.8★**▲ 27%**](https://www.amazon.com/dp/B0B24Q9H9C)

**~~View all trending →~~**

## **What buyers say about 28mm socket**

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

### **What buyers love **

**Size-Overall**22%

*“Good fit”*

**Quality-Overall**21%

*“Quality tool did the job”*

**Advertised Vs Actual Product**15%

*“As described”*

**Value For Money**14%

*“Worth the money”*

**Socket/Port/Plug**7%

*“This 28 mm impact socket is a good quality”*

**Ease Of Use**6%

*“Handy”*

**Color**5%

*“Works great, and the color makes it easy to find with my oil and fuel change supplies”*

**Durability**3%

*“Durable so far”*

**Compatibility-Overall**2%

*“Works well on my 2024 Cummins”*

**Design-Overall**1%

*“Nice low profile design”*

### **What buyers complain about **

**Size-Overall**32%

*“realized did not The correct size Socket”*

**Advertised Vs Actual Product**21%

*“Product description is not what it is”*

**Quality-Overall**14%

*“Garbage”*

**Compatibility-Overall**7%

*“Doesn't fit fuel filters”*

### **Top return reasons **

**Size-Overall**67%

**Compatibility-Overall**8%

**Socket/Port/Plug**5%

**Defective Material/Parts**4%

**Advertised Vs Actual Product**3%

**Functionality-Overall**3%

**Filtration**2%

**Value For Money**2%

**Thickness**1%

**Thin**1%

## **Common questions**

<dl>

<dt>**Is 28mm socket profitable to sell on Amazon United States?**</dt><dd>The niche generates $69K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Skip it (38/100).</dd>

<dt>**How competitive is the 28mm socket niche?**</dt><dd>7 brands and 16 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 86% of demand.</dd>

<dt>**What do buyers complain about in 28mm socket?**</dt><dd>Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 0.9%.</dd>

<dt>**When does demand for 28mm socket peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the 28mm socket niche?**</dt><dd>Listings span $7.00–$14.71; the average listing price is $9.69 (sweet spot $15–$100). The average incumbent carries 1,990 reviews — the moat a new listing must climb.</dd>

</dl>

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