Skip to product information
808504T1 VST Fuel Filter For Mercury MerCruiser 808504 8085041

808504T1 VST Fuel Filter For Mercury MerCruiser 808504 8085041

Write Review

Your Source for Aftermarket Parts

$48.39
Sale price  $48.39 Regular price 

Available to Order

Usually ships in 2–4 business days.
This VST Fuel Filter is a fuel filter compatible with Mercury and MerCruiser engines and matches OEM Part# 808504T1, 808504, 808504 1.
Industrial Retailer parts support representative

Need help finding the right part? Talk with a parts expert today.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

Call us

I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This VST fuel filter is designed for Mercury and MerCruiser outboard and sterndrive engines using vapor separator tank (VST) fuel systems. It replaces multiple OEM numbers including 808504T1 and ensures clean fuel delivery for reliable engine performance. Marine mechanics and boat owners use this filter during routine fuel system maintenance.

Key Features & Performance

  • High filtration efficiency removes contaminants from fuel
  • Direct replacement for OEM part numbers 808504T1, 808504, and 808504 1
  • Constructed with durable materials for long service life
  • Designed for VST (Vapor Separator Tank) fuel systems
  • Helps maintain optimal fuel pressure and engine operation

Fitment & Compatibility

  • Mercury outboard engines with VST fuel systems
  • MerCruiser sterndrive engines with VST fuel systems

Common Uses

  • Replacing clogged or aged fuel filters in VST assemblies
  • Routine fuel system maintenance on Mercury/MerCruiser engines
  • Improving fuel flow and preventing injector issues

Technical Specifications

  • Part Number(s): 808504T1, 808504, 808504 1
  • Product Type: VST Fuel Filter

Frequently Asked Questions

Q: How often should I replace the VST fuel filter? A: Replace the VST fuel filter annually or every 100 hours of operation to ensure clean fuel delivery.

Q: Can this filter be used on a Mercury 150 FourStroke? A: This filter is compatible with many Mercury and MerCruiser VST systems; check your engine's VST assembly for the correct filter housing.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.