Where to buy
Supersessions & cross-references
OEM & filter cross-references551856 find WIX OLD NUMBER
Cross-reference (aftermarket)GS-4390 find GS-3384 find GS-2668 find GS-3390 find GS-5390 find 51856GT FridayParts $598.90
OEM & filter cross-references from manufacturer catalogs (Donaldson, WiX, Baldwin). Supersessions and aftermarket cross-references from marketplace/supplier listings — treat as leads. Verify the exact part for your serial number before ordering.
Engines using 51856
1Mercury Marine 6.2L