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[mud man]

Has anyone ever had a moco oil filter fail (that is leak around the gasket) removed it and found the gasket had separated or had a bump...  installed a new filter no leak distinctly remember wiping checking for dirt on the housing mating surface so.... yep bad filter sure of it. 

[Screamin]

Never had a bad Moco filter. Had a bad Amsoil one.

[mud man]

Just a thought ...Harley puts their oil up for tender ( lowest bidder or so I'm told) maybe same is true with filters?     who knows

[Twolanerider]

Just a thought ...Harley puts their oil up for tender ( lowest bidder or so I'm told) maybe same is true with filters?     who knows

Some more marginal products may get rebid often but from the times I've checked over the years larger volume products have been relatively stable in whom their suppliers are.  Whether they are rebid but done so on longer contracts or just have stable relationships that are maintained I don't know.  But they've not seem to change much.

This is a list I was given a few years ago.  It hasn't changed much in that time.

Lubricants
Product H-D Part#...Manufacturer
H-D WINTER FUEL CONDITIONER 99889-91A HJS of Wisconsin
H-D FUEL ADDITIVE 99893-91A Polar Molecular
H-D FORK OIL TYPE B 99880-73 HJS of Wisconsin
H-D FORK OIL TYPE E 99884-80 CITGO Petroleum
H-D SCREAMIN' EAGLE FORK OIL (HEAVY) 99881-87 CITGO Petroleum
H-D SCREAMIN' EAGLE RACING FORK OIL (EXTRA HEAVY) 99909-93R CITGO Petroleum
H-D PRIMARY LUBRICANT 99887-84 CITGO Petroleum
H-D MOTOR OIL, SAE 10W-40 99816-1040 CITGO Petroleum
H-D MOTOR OIL, SAE 20W-50 99816-2050 CITGO Petroleum
H-D MOTOR OIL, SAE 50 99816-50 CITGO Petroleum
H-D MOTOR OIL, SAE 60 99816-60 CITGO Petroleum
H-D SCREAMIN' EAGLE SYNTHETIC MOTORCYCLE LUBRICANT 99824-03 CITGO Petroleum
H-D SEMI-SYNTHETIC TRANSMISSION LUBRICANT 99892-84 CITGO Petroleum
H-D SPORT-TRANS FLUID 99896-88 HJS of Wisconsin
DOT 5 BRAKE FLUID 99902-77 Dow-Corning
H-D WHEEL BEARING GREASE 99856-92 HJS of Wisconsin
SPECIAL PURPOSE GREASE 99857-97 HJS of Wisconsin
H-D POLY OIL 99860-81 General Polymeric


Product H-D Part#...Manufacturer
HARLEY GLAZE 99701-84 Chemrite Industries
HARLEY GLOSS 94627-98 Chemrite Industries
HARLEY SUN WASH 94659-98 Chemrite Industries
HARLEY SWIRL & SCRATCH REMOVER 94655-98 Chemrite Industries
HARLEY WHEEL & TIRE CLEANER 94658-98 Chemrite Industries
H-D WINDSHIELD WATER REPELLENT 99841-01 Chemrite Industries
H-D SPRAY POLISH 99817-99 Petro-Chemical Products
HARLEY BRIGHT METAL POLISH 99725-89 Rolite Chemical
H-D BLACK CRÈME POLISH 99271-96V Apple Polishes
H-D LEATHER CARE 98263-95V Apple Polishes
H-D LEATHER CLEANER 99274-98V Apple Polishes
H-D SUEDE & FABRIC CLEANER 99272-96V Apple Polishes
H-D LEATHER DRESSING 98261-91V Pecard Chemical

[mud man]

 Thanks for the great info twolane my hd dealer gave me a free filter said they haven't seen any like it ...will keep using moco filters at least you know how many microns the filter media is.. even k&n doesn't publish that anywhere I could find

[Twolanerider]

Thanks for the great info twolane my hd dealer gave me a free filter said they haven't seen any like it ...will keep using moco filters at least you know how many microns the filter media is.. even k&n doesn't publish that anywhere I could find

Don't get hung up on the "how small is the micron filter" BS.  If the 5 mic or less claims that many offer were practically applied some of the good bits in the oil's additive packages would be stripped away and the filters' bypass valves would be kicking in because they'd so quickly plug up.  

The HD filters work fine.  Don't be scared off by one bad product either.  One isn't a trend.  It's a mistake or an error.  But it isn't a trend.

You might also look at the K&N filters sometime.  They're good filters too.  But they're more convenient to remove than the HD branded filters.  They've got a big nut on the end so you can grab them with a socket and completely avoid the crank position sensor.