January 01, 2013

4F27E/FN4A-EL/FNR5/FS5A-EL Valve Body Identification

Part Number Chart

Part NumberDescription
F020Ford 4F27E
F021Mazda FN4A-EL
F025FNR5/FS5A-EL


Ford vs Mazda Identification

The main casting for the 4F27E, FN4A-EL, and Ford/Mazda FNR5 are very similar. Pay close attention to the noted casting identification marks and bolt holes to determine application.

4F27E
FN4A-EL

FNR5/FS5A-EL


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