Description
The Mercury Quicksilver 864572A1 (Mercury format 35-864572A1) is a genuine OEM inline fuel filter kit designed for MerCruiser sterndrive and inboard gasoline engines that use a fuel booster pump. The filter installs in the fuel line between the fuel tank and the boost pump to prevent debris from entering the fuel system.
Key Specifications
-
Part Number: 864572A1 (Mercury format 35-864572A1)
-
Type: Inline fuel filter kit
-
Installation Location: Between the fuel tank and fuel boost pump
-
OEM Brand: Mercury Marine / Quicksilver
What’s Included
The kit includes the components required for installation:
-
Inline fuel filter element
-
Hose fittings
-
Fuel line clamps
This allows quick replacement without sourcing additional hardware.
Compatible Engines
Commonly used on MerCruiser gasoline sterndrive and inboard engines with a fuel booster pump, including models such as:
-
350 MAG MPI
-
Black Scorpion 350 / 377
-
MX 6.2L MPI
-
383 MAG Stroker
-
Other MerCruiser MPI engines in similar serial ranges
Function
The inline fuel filter helps protect the fuel system by:
-
Capturing dirt, rust, and debris from the fuel tank
-
Preventing contaminants from reaching the boost pump and injectors
-
Maintaining clean fuel flow and engine performance
Service Recommendation
Mercury recommends replacing the inline fuel filter at least once per boating season or during routine maintenance to ensure proper fuel system operation.
Fitment Tip:
Always confirm compatibility using the engine model and serial number, as MerCruiser fuel systems vary between carbureted, MPI, and high-performance engines.
Shipping:
OEM parts ship same or next day for fast Canada wide shipping.
Technical Specifications:
- Type: Complete fuel filter service kit
- Compatible with: Mercury MerCruiser marine engines
- Part Number: 864572A1
- Kit includes: Fuel filter element and all necessary service components






Reviews
There are no reviews yet.