---
title: "mercury fuel filter — Niche Verdict: Worth a look (53/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/mercury-fuel-filter"
last_updated: "2026-07-13T22:25:56.378Z"
locale: en
meta:
  description: "mercury fuel filter shows low returns (1.0%), but a small market ($51K/yr) keeps it on the watch list."
  "og:description": "mercury fuel filter shows low returns (1.0%), but a small market ($51K/yr) keeps it on the watch list."
  "og:title": "mercury fuel filter — Niche Verdict: Worth a look (53/100) | Amazon United States - Flapen"
---

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# **mercury fuel filter**

**Worth a look**

Shows low returns (1.0%), but a small market ($51K/yr) keeps it on the watch list.

Market size 13Growth 90Conversion 87Competition 24Returns 95Price range 76Avg price 79Brand share 23Review moat 67Quality gap 24

**Returns**

**Incredible****1.0%**

return rate — above 6% kills the launch gate

**Growth**

**Great****+98.3%**

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

**Conversion**

**Great****10.0%**

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

**Avg price**

**Great****$16.48**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$8.21–$37.38**

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

**Review moat**

**Good****808.06**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$51K**

$51K/yr · 31K searches

## **Competition**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▲rising

**Sellers**

**48**

**Top-5 brand share**

**91%**

**Open market**

**7%**

- Quicksilver68% - MERCURY13% - Tvent3% - Qonsy3% - SeaSierra3% - HTYPX2% - Open — no brand owns it (4 brands, 7%)

## **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%$5K20%$10K30%$15K40%$20K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Quicksilver 802893Q01 Water Separating Fuel Filter for Mercury and Mariner Outboards MerCruiser Sterndrive and Inboard Engines](https://m.media-amazon.com/images/I/41tJLIAdmZL.jpg)**Quicksilver 802893Q01 Water Separating Fuel Filter for Mercury and Mariner Outboards MerCruiser Sterndrive and Inboard Engines**Quicksilver**$14.08**4.8★4,370 rev](https://www.amazon.com/dp/B001HBX3IC) [2![Quicksilver 879885Q Inline Fuel Filter for Mercury and Mariner Outboards](https://m.media-amazon.com/images/I/21HQn5YTgOL.jpg)**Quicksilver 879885Q Inline Fuel Filter for Mercury and Mariner Outboards**Quicksilver**$15.48**4.8★2,113 rev](https://www.amazon.com/dp/B004QJQO6A) [3![Mercury 802893T Water Separating Fuel Filter for Remote Mount Filter Systems](https://m.media-amazon.com/images/I/41EQ5104nmL.jpg)**Mercury 802893T Water Separating Fuel Filter for Remote Mount Filter Systems**MERCURY**$20.15**4.8★950 rev](https://www.amazon.com/dp/B004QJQIF2) [4![Quicksilver 879884T Cartridge Type Fuel Filter Assembly for Mercury and Mariner Outboards](https://m.media-amazon.com/images/I/21KdzL+h9DL.jpg)**Quicksilver 879884T Cartridge Type Fuel Filter Assembly for Mercury and Mariner Outboards**Quicksilver**$17.87**4.7★1,346 rev](https://www.amazon.com/dp/B004QJOP8O) [5![Quicksilver 816296Q2 Marine Engine Inline Fuel Filter with Barbs for 5/16 (8mm) Fuel Lines](https://m.media-amazon.com/images/I/21gZxpiVFoL.jpg)**Quicksilver 816296Q2 Marine Engine Inline Fuel Filter with Barbs for 5/16 (8mm) Fuel Lines**Quicksilver**$8.21**4.7★1,614 rev](https://www.amazon.com/dp/B001HBX35A)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![879885Q In-line Fuel Filter for Mer-cury Mariner Outboards 4-Stroke 75-115 HP 40 50 60 HP 135-300 HP Outboard Engine 35-879885T 35-879885Q 35-879885K #Pack of 2-5/16 Fuel Filter](https://m.media-amazon.com/images/I/2183Jve0PdL.jpg)**879885Q In-line Fuel Filter for Mer-cury Mariner Outboards 4-Stroke 75-115 HP 40 50 60 HP 135-300 HP Outboard Engine 35-879885T 35-879885Q 35-879885K #Pack of 2-5/16 Fuel Filter**Hoopne**$9.96**15 rev5mo ago](https://www.amazon.com/dp/B0GJCZN9HY) [![Wetenex 879885Q inline Fuel Filter for Mariner Outboards 4 Stroke 5/16 40 50 60 HP 75-115HP 135-300HP 35-879885T 35-879885Q 35-879885K Pack of 2](https://m.media-amazon.com/images/I/31uS9J4D3dL.jpg)**Wetenex 879885Q inline Fuel Filter for Mariner Outboards 4 Stroke 5/16 40 50 60 HP 75-115HP 135-300HP 35-879885T 35-879885Q 35-879885K Pack of 2**Wetenex**$11.58**11 rev5mo ago](https://www.amazon.com/dp/B0FY5ZY4Q4) [![35-802893Q01 Water Separating Fuel Filter Compatible with Mercury Mariner Outboards MerCruiser Sterndrive & Inboard Engines (2 PCS)](https://m.media-amazon.com/images/I/31Ouk2XFQCL.jpg)**35-802893Q01 Water Separating Fuel Filter Compatible with Mercury Mariner Outboards MerCruiser Sterndrive & Inboard Engines (2 PCS)**Kefly**$19.90**5 rev10mo ago](https://www.amazon.com/dp/B0FPWNJQNV) [![Qonsy 2PCS 879885Q In-line Fuel Filters for Mecury and Mariner 4 Stroke EFI 30-350 HP Outboard Engine 879885T 879885K Sierra 18-7718](https://m.media-amazon.com/images/I/31QSatNn+QL.jpg)**Qonsy 2PCS 879885Q In-line Fuel Filters for Mecury and Mariner 4 Stroke EFI 30-350 HP Outboard Engine 879885T 879885K Sierra 18-7718**Qonsy**$13.62**15 rev11mo ago](https://www.amazon.com/dp/B0FLWKWGWB) [![35-802893t Water Separating Fuel Filter for Mercury Marine 35-807172](https://m.media-amazon.com/images/I/31hH5RfHoeL.jpg)**35-802893t Water Separating Fuel Filter for Mercury Marine 35-807172**HTYPX**$12.74**4 rev1y ago](https://www.amazon.com/dp/B0FDFZVCK8)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Wetenex 879885Q inline Fuel Filter for Mariner Outboards 4 Stroke 5/16 40 50 60 HP 75-115HP 135-300HP 35-879885T 35-879885Q 35-879885K Pack of 2](https://m.media-amazon.com/images/I/31uS9J4D3dL.jpg)**Wetenex 879885Q inline Fuel Filter for Mariner Outboards 4 Stroke 5/16 40 50 60 HP 75-115HP 135-300HP 35-879885T 35-879885Q 35-879885K Pack of 2**Wetenex**$11.58**3.3★**▲ 144%**](https://www.amazon.com/dp/B0FY5ZY4Q4) [![879885Q In-line Fuel Filter for Mer-cury Mariner Outboards 4-Stroke 75-115 HP 40 50 60 HP 135-300 HP Outboard Engine 35-879885T 35-879885Q 35-879885K #Pack of 2-5/16 Fuel Filter](https://m.media-amazon.com/images/I/2183Jve0PdL.jpg)**879885Q In-line Fuel Filter for Mer-cury Mariner Outboards 4-Stroke 75-115 HP 40 50 60 HP 135-300 HP Outboard Engine 35-879885T 35-879885Q 35-879885K #Pack of 2-5/16 Fuel Filter**Hoopne**$9.96**4.6★**▲ 144%**](https://www.amazon.com/dp/B0GJCZN9HY) [![35-802893Q01 Water Separating Fuel Filter Compatible with Mercury Mariner Outboards MerCruiser Sterndrive & Inboard Engines (2 PCS)](https://m.media-amazon.com/images/I/31Ouk2XFQCL.jpg)**35-802893Q01 Water Separating Fuel Filter Compatible with Mercury Mariner Outboards MerCruiser Sterndrive & Inboard Engines (2 PCS)**Kefly**$19.90**5.0★**▲ 115%**](https://www.amazon.com/dp/B0FPWNJQNV) [![Quicksilver 816296Q2 Marine Engine Inline Fuel Filter with Barbs for 5/16 (8mm) Fuel Lines](https://m.media-amazon.com/images/I/21gZxpiVFoL.jpg)**Quicksilver 816296Q2 Marine Engine Inline Fuel Filter with Barbs for 5/16 (8mm) Fuel Lines**Quicksilver**$8.21**4.7★**▲ 52%**](https://www.amazon.com/dp/B001HBX35A) [![Qonsy 2PCS 879885Q In-line Fuel Filters for Mecury and Mariner 4 Stroke EFI 30-350 HP Outboard Engine 879885T 879885K Sierra 18-7718](https://m.media-amazon.com/images/I/31QSatNn+QL.jpg)**Qonsy 2PCS 879885Q In-line Fuel Filters for Mecury and Mariner 4 Stroke EFI 30-350 HP Outboard Engine 879885T 879885K Sierra 18-7718**Qonsy**$13.62**4.5★**▲ 44%**](https://www.amazon.com/dp/B0FLWKWGWB)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +98.3% search growth over the last 90 days.

1K600Spike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 4.5×

## **Reviews**

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

### **What buyers love **

**Size-Overall**28%

*“Fits well”*

**Value For Money**17%

*“Great price”*

**Quality-Overall**16%

*“The build quality feels solid”*

**Advertised Vs Actual Product**10%

*“product as described”*

**Filtration**8%

*“Filters work”*

**Ease Of Use**7%

*“Easy to use and work well”*

**Assembly/Installation**2%

*“Installation was easy”*

**Maintenance And Repair**2%

*“Easy replacement for my mercury 4 stroke”*

**Efficiency**1%

*“Worked out great”*

**Leak-Proof**1%

*“it has not leaked at the seams”*

### **What buyers complain about **

**Size-Overall**25%

*“Barbs were too small”*

**Quality-Overall**9%

*“It is garbage”*

**Advertised Vs Actual Product**6%

*“Didn't get what was pictured”*

**Value For Money**6%

*“They are spendy for what it is”*

**Defective Material/Parts**6%

*“Not the correct part for Mercury 115 4 stroke”*

**Water Resistance**6%

*“For some reason it doesnt separate the water”*

**Compatibility-Overall**6%

*“Not correct fit for mercury 60 hp fourstroke”*

**Connectivity-Overall**4%

*“They work just as good as OEM except the connections seem slightly thicker and harder to connect and disconnect”*

**Strength**3%

*“not as robust as Quicksilver”*

**Mounting**3%

*“short thus you cannot use the metal guide to keep the screw”*

### **Top return reasons **

**Size-Overall**56%

**Compatibility-Overall**12%

**Advertised Vs Actual Product**9%

**Defective Material/Parts**7%

**Filtration**4%

**Product Condition**2%

**Value For Money**2%

**Leak-Proof**1%

**Assembly/Installation**1%

**Smell**1%