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Mercury Fuel Filter 8M0166596 450R 500R V8 & 500-600HP V12

OEM Mercury Water Separating Fuel Filter for Racing V8 & V12 Outboards
Item #: 8M0166596  Cross Reference#: 8M0166596  
Manufacturer Item: 8M0166596
Manufacturer: Mercury Marine
Available: In Stock
Fuel Filter
Mercury 7.6L V12 500, 600hp
48.49
Each
Quantity:
Quantity Price
1 48.49
8M0166596 Filter

OEM Mercury Water Separating Fuel Filter

Mercury Fuel Filter 8M0166596 For 450R, 500R V8 & 500-600HP V12

The Mercury 8M0166596 fuel filter is an OEM Mercury water separating fuel filter used on select high-performance Mercury Racing V8 and large-displacement Mercury V12 outboards.

This filter fits Mercury Racing 450R and 500R V8 FourStroke outboards, along with Mercury 500HP-600HP V12 FourStroke outboards. It helps remove water and contaminants from the fuel system during scheduled maintenance.

Compatible Applications

Brand / Family Horsepower Engine Platform Application
Mercury Racing 450R, 500R V8 FourStroke Water separating fuel filter
Mercury Verado / SeaPro 500HP-600HP V12 FourStroke Water separating fuel filter
Important Fitment Note:

This Mercury 8M0166596 fuel filter is for select Mercury Racing 450R and 500R V8 outboards and Mercury 500HP-600HP V12 outboards.

Always verify your engine model, serial number, and current filter number before ordering fuel system parts.

Part Numbers & Cross References

Brand / Source Part Number
Mercury Marine 8M0166596
Related Water-In-Fuel Sensor 8M0157779

Related Fuel Sensor

What This Fuel Filter is Used For

The Mercury 8M0166596 fuel filter is used to help remove water and contaminants from the fuel supply before fuel reaches sensitive engine components.

Clean fuel is especially important on high-performance Mercury Racing V8 and Mercury V12 outboards. Replacing the fuel filter during scheduled maintenance helps support fuel system reliability and engine performance.

Key Features and Benefits

  • OEM Mercury water separating fuel filter
  • Fits Mercury Racing 450R V8 outboards
  • Fits Mercury Racing 500R V8 outboards
  • Fits Mercury 500HP-600HP V12 FourStroke outboards
  • Helps separate water from the fuel system
  • Helps trap fuel contaminants before they reach the engine
  • Used during scheduled fuel system maintenance
  • Pairs with Mercury 8M0157779 water-in-fuel sensor

Part Details

  • Part Number: 8M0166596
  • Product Type: Water Separating Fuel Filter
  • Brand: Mercury Marine
  • Application: Mercury Racing V8 and Mercury V12 Outboards
  • Common Fitment: 450R, 500R, 500HP V12, 600HP V12
  • Related Sensor: 8M0157779 Water-In-Fuel Sensor
  • OEM Mercury Part: Yes

FAQ

What engines does Mercury fuel filter 8M0166596 fit?
This filter fits select Mercury Racing 450R and 500R V8 outboards, along with Mercury 500HP-600HP V12 FourStroke outboards.

Does this fit the Mercury 500R?
Yes. Mercury 8M0166596 is used on Mercury Racing 500R V8 applications.

Does this fit Mercury V12 outboards?
Yes. This filter is used on compatible Mercury 500HP-600HP V12 outboards.

What sensor goes with this fuel filter?
The related water-in-fuel sensor is Mercury part number 8M0157779, linked above.

Is this a genuine Mercury fuel filter?
Yes. This is an OEM Mercury Marine fuel filter.

When should I replace this fuel filter?
Replace the fuel filter during scheduled maintenance or any time fuel contamination or water-in-fuel concerns are found.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

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Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Fuel filters must be new, unused, and in original packaging.
  • Installed or fuel-contaminated filters are not returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000


Searchable Terms

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Water Sep

OEM or Aftermarket
OEM
Manufacturer
Mercury
Bracket
No
Clear Bowl
No