Harley Davidson TwinCam 88 1999-2006 Oil Filter Cross Reference

Replacement oil filters for HARLEY-DAVIDSON 63731-99A:

Brand Model
AC-Delco PF1787
AMSOIL EAO33
CARQUEST 85215
DELPHI FX1017
Fram Chrome (I use these) PH6065A
Fram PH6022
HARLEY-DAVIDSON 63731-99
HARLEY-DAVIDSON 63731-99A
HARLEY-DAVIDSON Chrome 63798-99A
K & N KN-171B
NAPA 1215
Purolator ML16822
STP S3614
WARNER PH7017
Wix 51215

 

My notes below are for a 2003 FXDWG, but should be the same for the rest of the twin cam 88s…

Oh and both primary and engine take 20W50 synthetic oil per the shop manual, however it is very expensive (from what I see about $11 a quart at the major auto parts stores). However, I have been using Mobile one synthetic 15W50 in both for years with no problems at all. And last I checked it was $22 a gallon at WalMart. 🙂

3 quarts in Engine

1 quart in Primary – 26oz goes in… 🙂

 

I also use Mobil One 75W90 gear oil in the transmission…

The transmission takes 20-24 oz according to the shop manual.

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