---
title: "exhaust manifold bolts — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
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last_updated: "2026-07-14T05:33:24.238Z"
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  description: "exhaust manifold bolts shows a thin review moat (240 avg reviews), but a small market ($73K/yr) keeps it on the watch list."
  "og:description": "exhaust manifold bolts shows a thin review moat (240 avg reviews), but a small market ($73K/yr) keeps it on the watch list."
  "og:title": "exhaust manifold bolts — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
---

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# **exhaust manifold bolts**

**Worth a look**

Shows a thin review moat (240 avg reviews), but a small market ($73K/yr) keeps it on the watch list.

Market size 18Growth 31Conversion 39Competition 87Returns 41Price range 74Avg price 76Brand share 75Review moat 88Quality gap 37

**Review moat**

**Great****239.51**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Great****28%**

top-5 click share — an open shelf

**Avg price**

**Great****$15.22**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****60%**

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

**Price range**

**Good****$5.88–$41.42**

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

**Returns**

**Okay****4.0%**

return rate — above 6% kills the launch gate

**Conversion**

**Okay****3.1%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+4.9%**

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

**Market size**

**Bad****$73K**

$73K/yr · 153K searches

## **Competition**

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

**Brands**

**43 **▲rising

**Sellers**

**102**

**Top-5 brand share**

**60%**

**Open market**

**36%**

- Dorman34% - Fel-Pro8% - MOXRUQ7% - BEONEO6% - Stacool5% - SWQS3%

## **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%2%$1K4%$3K6%$4K8%$6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 83 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![MOXRUQ 10 PCS Exhaust Manifold Bolts M8 x 1.25 x 30mm High Strength Carbon Steel Flange Exhaust Bolts and Nuts Exhaust Manifold Bolt Hardware Kit](https://m.media-amazon.com/images/I/51h-ynicMHL.jpg)**MOXRUQ 10 PCS Exhaust Manifold Bolts M8 x 1.25 x 30mm High Strength Carbon Steel Flange Exhaust Bolts and Nuts Exhaust Manifold Bolt Hardware Kit**MOXRUQ**$7.74**4.2★24 rev](https://www.amazon.com/dp/B0F9SVZCBX) [2![Dorman 03133 Exhaust Stud Kit - M10-1.5 x 62 mm Compatible with Select Models](https://m.media-amazon.com/images/I/41DrOne6gyL.jpg)**Dorman 03133 Exhaust Stud Kit - M10-1.5 x 62 mm Compatible with Select Models**Dorman**$13.11**4.6★1,439 rev](https://www.amazon.com/dp/B000NZZ3RC) [3![FEL-PRO ES 75120 Exhaust Manifold Hardware Kit for Chevrolet Silverado 1500](https://m.media-amazon.com/images/I/41OKR2bChrL.jpg)**FEL-PRO ES 75120 Exhaust Manifold Hardware Kit for Chevrolet Silverado 1500**Fel-Pro**$23.80**4.6★366 rev](https://www.amazon.com/dp/B07FF7TGM5) [4![2PCS Car Exhaust Manifold Bolts Steel M10x1.5 mm Exhaust Bolts and Nuts Kit with Springs for Exhaust Gasket Professional Exhaust Flange Bolts Car Accessories for Most Cars (Silver)](https://m.media-amazon.com/images/I/41HhPpkWH5L.jpg)**2PCS Car Exhaust Manifold Bolts Steel M10x1.5 mm Exhaust Bolts and Nuts Kit with Springs for Exhaust Gasket Professional Exhaust Flange Bolts Car Accessories for Most Cars (Silver)**Stacool**$7.24**4.4★259 rev](https://www.amazon.com/dp/B0DBPM7CBT) [5![Dorman 03309 Exhaust Manifold Hardware Kit Compatible with Select Models](https://m.media-amazon.com/images/I/51jN7stVC3L.jpg)**Dorman 03309 Exhaust Manifold Hardware Kit Compatible with Select Models**Dorman**$20.22**4.5★1,108 rev](https://www.amazon.com/dp/B01N114II1)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ESWW 10 PCS M8 Exhaust Manifold Hex Nuts Copper Plated Self-Locking Seal Flange Nut Kit Replacement for OEM #A1201420072 Hexagon Exhaust Manifold Nuts Universal for Cars Trucks (M8 x 1.25)](https://m.media-amazon.com/images/I/41s0-7S-ShL.jpg)**ESWW 10 PCS M8 Exhaust Manifold Hex Nuts Copper Plated Self-Locking Seal Flange Nut Kit Replacement for OEM #A1201420072 Hexagon Exhaust Manifold Nuts Universal for Cars Trucks (M8 x 1.25)**ESWW**$6.99**17 rev6mo ago](https://www.amazon.com/dp/B0GDWX73GB) [![CHENACC 5 Sets Exhaust Serrated Flange Spin Bolts with Nuts M10-1.25 x 33mm Compatible withToyota Honda 90212-SA5-003 Accord Civic Odyssey Acura](https://m.media-amazon.com/images/I/31xOEiX3IbL.jpg)**CHENACC 5 Sets Exhaust Serrated Flange Spin Bolts with Nuts M10-1.25 x 33mm Compatible withToyota Honda 90212-SA5-003 Accord Civic Odyssey Acura**CHENACC**$11.69**3 rev6mo ago](https://www.amazon.com/dp/B0GDCT2RF4) [![KoiLuvGo 2PCS M10x1.25 Exhaust Manifold Bolts and Nuts Kit Muffler Repair Kit with Springs Professional Exhaust Flange Bolts for Automotive Exhaust Manifold Gasket Universal for Most Cars](https://m.media-amazon.com/images/I/41OhbqokwFL.jpg)**KoiLuvGo 2PCS M10x1.25 Exhaust Manifold Bolts and Nuts Kit Muffler Repair Kit with Springs Professional Exhaust Flange Bolts for Automotive Exhaust Manifold Gasket Universal for Most Cars**KoiLuvGo**$8.46**7 rev6mo ago](https://www.amazon.com/dp/B0G1ZBC7BY) [![8 Sets M10 x 1.5-35mm Exhaust Manifold Bolts Stainless Steel Flange Hex Head Exhaust Bolts and Nuts Kit with Serrated Design Anti-Loose Exhausts Flange Bolt for Exhausts System](https://m.media-amazon.com/images/I/41MIMCJsZ5L.jpg)**8 Sets M10 x 1.5-35mm Exhaust Manifold Bolts Stainless Steel Flange Hex Head Exhaust Bolts and Nuts Kit with Serrated Design Anti-Loose Exhausts Flange Bolt for Exhausts System**VKQTS**$7.65**2 rev7mo ago](https://www.amazon.com/dp/B0G2G2ZGPM) [![SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7](https://m.media-amazon.com/images/I/41Vt3pS8mqL.jpg)**SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7**SWQS**$13.97**16 rev8mo ago](https://www.amazon.com/dp/B0G1BQHV19)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![8 Sets M10 x 1.5-35mm Exhaust Manifold Bolts Stainless Steel Flange Hex Head Exhaust Bolts and Nuts Kit with Serrated Design Anti-Loose Exhausts Flange Bolt for Exhausts System](https://m.media-amazon.com/images/I/41MIMCJsZ5L.jpg)**8 Sets M10 x 1.5-35mm Exhaust Manifold Bolts Stainless Steel Flange Hex Head Exhaust Bolts and Nuts Kit with Serrated Design Anti-Loose Exhausts Flange Bolt for Exhausts System**VKQTS**$7.65**5.0★**▲ 233%**](https://www.amazon.com/dp/B0G2G2ZGPM) [![DOMMVCSSYO Flange Hex Head Bolts Flange Nuts 304 Stainless Steel Exhaust Manifold Hardware Kit (Bolts&Nuts) M10 x 1.5-35mm (8-Pack) for Repairs or DIY Project](https://m.media-amazon.com/images/I/51RtySZ6OOL.jpg)**DOMMVCSSYO Flange Hex Head Bolts Flange Nuts 304 Stainless Steel Exhaust Manifold Hardware Kit (Bolts&Nuts) M10 x 1.5-35mm (8-Pack) for Repairs or DIY Project**DOMMVCSSYO**$9.53**4.3★**▲ 231%**](https://www.amazon.com/dp/B0G4GNBHYZ) [![CHENACC 5 Sets Exhaust Serrated Flange Spin Bolts with Nuts M10-1.25 x 33mm Compatible withToyota Honda 90212-SA5-003 Accord Civic Odyssey Acura](https://m.media-amazon.com/images/I/31xOEiX3IbL.jpg)**CHENACC 5 Sets Exhaust Serrated Flange Spin Bolts with Nuts M10-1.25 x 33mm Compatible withToyota Honda 90212-SA5-003 Accord Civic Odyssey Acura**CHENACC**$11.69**5.0★**▲ 168%**](https://www.amazon.com/dp/B0GDCT2RF4) [![ESWW 10 PCS M8 Exhaust Manifold Hex Nuts Copper Plated Self-Locking Seal Flange Nut Kit Replacement for OEM #A1201420072 Hexagon Exhaust Manifold Nuts Universal for Cars Trucks (M8 x 1.25)](https://m.media-amazon.com/images/I/41s0-7S-ShL.jpg)**ESWW 10 PCS M8 Exhaust Manifold Hex Nuts Copper Plated Self-Locking Seal Flange Nut Kit Replacement for OEM #A1201420072 Hexagon Exhaust Manifold Nuts Universal for Cars Trucks (M8 x 1.25)**ESWW**$6.99**4.2★**▲ 143%**](https://www.amazon.com/dp/B0GDWX73GB) [![2PCS M8x1.25 Exhaust Manifold Bolts Heavy Duty Exhaust Bolts and Nuts Kit with Springs for Muffler System Repairing Universal Muffler Studs Replacement Car Accessories (M8*1.25)](https://m.media-amazon.com/images/I/41TJZCwXDnL.jpg)**2PCS M8x1.25 Exhaust Manifold Bolts Heavy Duty Exhaust Bolts and Nuts Kit with Springs for Muffler System Repairing Universal Muffler Studs Replacement Car Accessories (M8*1.25)**YGDMD**$5.88**4.0★**▲ 131%**](https://www.amazon.com/dp/B0DYSDKTRN)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +4.9% search growth over the last 90 days.

3K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Reviews**

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

### **What buyers love **

**Size-Overall**29%

*“Exact fit”*

**Quality-Overall**20%

*“Great Quality Hardware—Perfect Fit and Solid Performance”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Value For Money**8%

*“great value for the money”*

**Assembly/Installation**5%

*“Normal installation”*

**Durability**4%

*“They havent fallen off yet”*

**Mounting**3%

*“I think these would be great for lots of scenarios where you need a not of security in a stable mount like in vehicle, machine, and farm uses”*

**Efficiency**2%

*“Working good”*

**Rusts/Corrodes**2%

*“seem they will not rust easily ty”*

**Strength**2%

*“just as sturdy”*

### **What buyers complain about **

**Quality-Overall**20%

*“Poor quality control”*

**Size-Overall**19%

*“Did not fit”*

**Compatibility-Overall**9%

*“Did not fit 11 Impreza”*

**Rusts/Corrodes**4%

*“drill out old rusted bolts”*

**Advertised Vs Actual Product**3%

*“Misleading description of exhaust flange bolts”*

**Assembly/Installation**3%

*“the bolts bent on installation”*

**Pressure**2%

*“will eventually lose torque as it heats up”*

**Product Condition**2%

*“Used nuts and springs on my 88 Silverado would use again”*

**Maintenance And Repair**2%

*“money redoing the repair”*

**Compression**2%

*“They don't compress as fully as the stock ones”*

### **Top return reasons **

**Size-Overall**60%

**Compatibility-Overall**10%

**Advertised Vs Actual Product**7%

**Defective Material/Parts**7%

**Value For Money**3%

**Mounting**2%

**Functionality-Overall**2%

**Quality-Overall**2%

**Assembly/Installation**1%

**Maintenance And Repair**1%