# 35809099 Mercury MerCruiser 809099 Fuel Filter | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Fuel Filter Element - Part Number: 35-809099

  

A genuine Quicksilver fuel filter element used in marine fuel / water separating filter systems. This element is used where 35-809099 is specified in Mercury / Mariner / MerCruiser fuel filtration assemblies and helps remove water and fine contaminants from the fuel supply.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM fuel filter element

• Correct Mercury part number 35-809099

• Marine fuel / water separating filter element

• Cross-references with Sierra 18-7920 and Racor S3214-style applications

• Used on compatible Mercury / MerCruiser filter-head assemblies where specified

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 35-809099 current OEM service reference

  

OEM / Related Numbers:

  

• 35-809099

• 809099

• 35809099

• 35-809099T

• 809099T

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-7920

• Racor: S3214

• OMC: 771839

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / MerCruiser remote fuel / water separator filter assemblies using 35-809099

  

Typically suits:

  

• Fuel system applications:

• Mercury outboard fuel / water separator filter-head assemblies using 35-809099

• MerCruiser petrol sterndrive fuel / water separator systems using 35-809099

• MerCruiser inboard fuel / water separator systems using 35-809099

• Marine petrol fuel systems using Racor S3214 / Sierra 18-7920 style element

• Boat-mounted Mercury / Quicksilver fuel-filter assemblies requiring 35-809099

• Mercury / Yamaha-style bowl-type water separating filter applications where 35-809099 is specified

  

• Engine Type: Marine petrol outboard, sterndrive and inboard fuel systems where matching filter head is fitted

• System Type: Remote fuel / water separator element

• Related Equivalent Style: Sierra 18-7920 / Racor S3214

  

🔌 Function

  

The fuel filter element separates water and captures fuel contamination before fuel reaches the engine fuel system.

  

Common signs of failure:

  

• Water contamination in fuel

• Engine hesitation under load

• Restricted fuel flow

• Hard starting or fuel starvation

• Overdue service interval or visible filter contamination

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 92.9 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 92.90 AUD | In stock |

## Images

- 35809099 Mercury MerCruiser 809099 Fuel Filter | Genuine Quicksilver OEM Part
- 35809099 Mercury MerCruiser 809099 Fuel Filter | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/35809099-mercury-mercruiser-809099-fuel-filter-genuine-quicksilver-oem-part)
> Updated: 2026-05-17