Yes I use Mobil 1 filters, been for 3 years now. m1-108A is the filter to use. Ive heard you can use m1-110 as well. The 110 is longer. btw this topic has already been talked about on here: https://gl1800riders.com/forums/5-gl1800-tech-board/120552-mobil1-110-oil-filter.html Good luck,

 

I use the m1 108 with mobile 1 4t oil

 

Been using Mobil 1 10W40 oil in my 2010 Wing since the first oil change....Works great, wouldn't use anything but Mobil 1....

 

+1 on the Mobil 1, 10w40 full syn. About 200,000K troublefree miles.

 

I've been using Mobil 1 15-50 for 20+ years.

 

Appreciate everyone's help
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