---
title: "mercury gear lube sae 90 — Niche Verdict: Skip it (36/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/mercury-gear-lube-sae-90"
last_updated: "2026-07-10T00:37:48.930Z"
locale: en
meta:
  description: "a concentrated shelf (top 5 take 92% of clicks) — mercury gear lube sae 90 doesn't clear our bar today."
  "og:description": "a concentrated shelf (top 5 take 92% of clicks) — mercury gear lube sae 90 doesn't clear our bar today."
  "og:title": "mercury gear lube sae 90 — Niche Verdict: Skip it (36/100) | Amazon United States - Flapen"
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# **mercury gear lube sae 90**

**Skip it****36/100 **

a concentrated shelf (top 5 take 92% of clicks) — mercury gear lube sae 90 doesn't clear our bar today.

**Market/yr**

**$219K**

**Growth (1y)**

**+130.6%**

**Products**

**7**

**Brands**

**4**

was 8 a year ago

**Sellers**

**36**

**Price range**

**$7.01–$35.26**

**Returns**

**0.5%**

**Rating**

**4.7★**

**Skip it**

Scored 36/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**11**

 ×0.30

Growth

**69**

 ×0.30

Competition

**0**

 ×0.20

Quality gap

**21**

 ×0.10

Returns

**96**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +130.6% year over year.

3K1KSpike '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: Apr, May, Jun, Oct · busiest ÷ quietest = 5.9×

## **Competition**

- Quicksilver60% - MERCURY31% - SeaSierra6% - Isslly3%

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack. 4 brands and 36 sellers compete here.

**Brands**

**4 **▼falling

was 8 a year ago

**Sellers**

**36**

**Top 5 brand share**

**100%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Quicksilver SAE 90 High Performance Gear Lube for Outboards and Sterndrives 32 oz](https://m.media-amazon.com/images/I/414zWtK0LZL.jpg) [**Quicksilver SAE 90 High Performance Gear Lube for Outboards and Sterndrives 32 oz**](https://www.amazon.com/dp/B006JIA1DI)

Quicksilver$15.374.9★6,69541%▲rising

2
![Mercury Marine New OEM High Performance Gear Lube with Hand Pump 91-8M0101435](https://m.media-amazon.com/images/I/41ZoevfHSRL.jpg) [**Mercury Marine New OEM High Performance Gear Lube with Hand Pump 91-8M0101435**](https://www.amazon.com/dp/B018Y4PKHQ)

MERCURY$35.264.7★87916%▼falling

3
![Mercury SAE 90 High Performance Gear Lube for Outboards and Sterndrives 1 Quart - 8M0222063](https://m.media-amazon.com/images/I/31b5uIcaPNL.jpg) [**Mercury SAE 90 High Performance Gear Lube for Outboards and Sterndrives 1 Quart - 8M0222063**](https://www.amazon.com/dp/B004IKFYS6)

MERCURY$24.354.8★65215%▼falling

4
![Quicksilver SAE 90 High Performance Gear Lube and Pump Kit for Mercury Outboards and Mercruiser Sterndrives 32 Fl. Oz.](https://m.media-amazon.com/images/I/31gjzW77jcL.jpg) [**Quicksilver SAE 90 High Performance Gear Lube and Pump Kit for Mercury Outboards and Mercruiser Sterndrives 32 Fl. Oz.**](https://www.amazon.com/dp/B007I99IYA)

Quicksilver$25.274.6★91114%▲rising

5
![Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors](https://m.media-amazon.com/images/I/31aG7y85G1L.jpg) [**Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors**](https://www.amazon.com/dp/B0DNFJ1DZ3)

SeaSierra$15.004.2★1856%▲rising

6
![Quicksilver by Mercury Marine 80W-90 Premium Gear Lube Marine Engine 32 oz.](https://m.media-amazon.com/images/I/41vTgFECMpL.jpg) [**Quicksilver by Mercury Marine 80W-90 Premium Gear Lube Marine Engine 32 oz.**](https://www.amazon.com/dp/B0039001TI)

Quicksilver$17.554.8★1,9735%▼falling

7
![Isslly 6PCS Gearcase Drain Plug Seal Gaskets for Lower Unit Gear Oil Pump Lower Unit Washers Replacements 26-830749 Compatible with Mercury Marine/Mercruiser](https://m.media-amazon.com/images/I/41fb1vZTSgL.jpg) [**Isslly 6PCS Gearcase Drain Plug Seal Gaskets for Lower Unit Gear Oil Pump Lower Unit Washers Replacements 26-830749 Compatible with Mercury Marine/Mercruiser**](https://www.amazon.com/dp/B0D25S881Q)

Isslly$7.014.8★1653%—flat

## **Product shelf**

All 7 tracked products in this niche.

Top sellersNewestTrending

[![Quicksilver SAE 90 High Performance Gear Lube for Outboards and Sterndrives 32 oz](https://m.media-amazon.com/images/I/414zWtK0LZL.jpg)**Quicksilver SAE 90 High Performance Gear Lube for Outboards and Sterndrives 32 oz** Quicksilver**$15.37**4.9★6,695 reviews](https://www.amazon.com/dp/B006JIA1DI) [![Mercury Marine New OEM High Performance Gear Lube with Hand Pump 91-8M0101435](https://m.media-amazon.com/images/I/41ZoevfHSRL.jpg)**Mercury Marine New OEM High Performance Gear Lube with Hand Pump 91-8M0101435** MERCURY**$35.26**4.7★879 reviews](https://www.amazon.com/dp/B018Y4PKHQ) [![Mercury SAE 90 High Performance Gear Lube for Outboards and Sterndrives 1 Quart - 8M0222063](https://m.media-amazon.com/images/I/31b5uIcaPNL.jpg)**Mercury SAE 90 High Performance Gear Lube for Outboards and Sterndrives 1 Quart - 8M0222063** MERCURY**$24.35**4.8★652 reviews](https://www.amazon.com/dp/B004IKFYS6) [![Quicksilver SAE 90 High Performance Gear Lube and Pump Kit for Mercury Outboards and Mercruiser Sterndrives 32 Fl. Oz.](https://m.media-amazon.com/images/I/31gjzW77jcL.jpg)**Quicksilver SAE 90 High Performance Gear Lube and Pump Kit for Mercury Outboards and Mercruiser Sterndrives 32 Fl. Oz.** Quicksilver**$25.27**4.6★911 reviews](https://www.amazon.com/dp/B007I99IYA) [![Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors](https://m.media-amazon.com/images/I/31aG7y85G1L.jpg)**Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors** SeaSierra**$15.00**4.2★185 reviews](https://www.amazon.com/dp/B0DNFJ1DZ3) [![Quicksilver by Mercury Marine 80W-90 Premium Gear Lube Marine Engine 32 oz.](https://m.media-amazon.com/images/I/41vTgFECMpL.jpg)**Quicksilver by Mercury Marine 80W-90 Premium Gear Lube Marine Engine 32 oz.** Quicksilver**$17.55**4.8★1,973 reviews](https://www.amazon.com/dp/B0039001TI) [![Isslly 6PCS Gearcase Drain Plug Seal Gaskets for Lower Unit Gear Oil Pump Lower Unit Washers Replacements 26-830749 Compatible with Mercury Marine/Mercruiser](https://m.media-amazon.com/images/I/41fb1vZTSgL.jpg)**Isslly 6PCS Gearcase Drain Plug Seal Gaskets for Lower Unit Gear Oil Pump Lower Unit Washers Replacements 26-830749 Compatible with Mercury Marine/Mercruiser** Isslly**$7.01**4.8★165 reviews](https://www.amazon.com/dp/B0D25S881Q)

## **Reviews**

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

### **What buyers love **

**Quality-Overall**25%

*“Performance has been great”*

**Advertised Vs Actual Product**16%

*“As advertised”*

**Value For Money**15%

*“Great Value”*

**Size-Overall**10%

*“Fits perfectly”*

**Ease Of Use**9%

*“Easy to use”*

**Efficiency**9%

*“Did its job”*

**Lubrication**5%

*“The right oil you need”*

**Compatibility-Overall**3%

*“Worked good for 2022 Tahoe t16 with outboard 115”*

**Color**1%

*“It is a blue color and easy to drain and fill”*

**Durability**1%

*“should last a while”*

### **What buyers complain about **

**Size-Overall**45%

*“the adapter was to big”*

**Advertised Vs Actual Product**14%

*“Listing incorrect”*

**Leak-Proof**9%

*“The clear hose kept slipping off of the pump causing oil leaking out in a fairly fast rate”*

**Instructions/User Manual/Troubleshooting**9%

*“No directions in the box”*

**Durability**5%

*“Broke on first use”*

**Ease Of Cleaning**5%

*“What a mess”*

**Quality-Overall**5%

*“Junk”*

**Value For Money**5%

*“just wish it were cheaper”*

#### **Top return reasons**- Size-Overall26% - Value For Money19% - Advertised Vs Actual Product17% - Compatibility-Overall10% - Leak-Proof10% - Functionality-Overall4% - Lubrication2% - Motor Issues1% - Product Condition1% - Defective Material/Parts1%