Air dryer filters

I bought 2 from amazon for my Cascadia and they functioned as needed .

 

Those ######## can be hell to take off. Use a strap or chain wrench if you have trouble but make sure you don't break that filter, but I think you might already know all this.

 

One possible explanation for the price difference is because some of the filters have a coalescent or something extra to trap more oil or moisture. I've been using WIX filters for pretty much everything in my truck and haven't noticed anything different vs OEM.

Part Details
Part Details

 

They didn't carry the coalescing version at the local shop, so I ended up buying a Wabco 1200SS from the dealer for $58. The reason I've been using these filters is because the dealer is like 80 miles away, but the parts place that carries WIX is like 20 miles. Looking at my receipts, I don't think the price is much different between the two. I also like how easy it is to cross reference parts for trucks on their website.

I think I read somewhere that the coalescing filters capture the oil from the air compressor better. Either way, it's what I had on it before, so I figured I would try to replace it with something similar.

 

Oil coalescing is necessary replacement if truck came with original. Your right it traps the oil and sludge floating around. Should be changed yearly.

 

Not sure if you did or not, but have actually seen drivers trying to take the air drier cartridge off without draining air system. Makes it one hell of a fight.
Also if they don’t lube the oring.
Watched one fellow get the filter almost off and the threaded bung broke off and cartridge with the pressure behind it smacked him in the cheek and broke his jaw

 

I put a reman AD9 on my 2001 Freightliner little over a year ago. I ran some cleaner/conditioner through the system draining Tanks, repeated a few times, till they were clear, before putting it on. I changed Compressor, (reman Haldex 550 tu-flo, from Dealer) about 3-4 yrs ago. I’m surprised to recently see water, from my air blow gun. It’s warm now, not worried about freezing. That’s only happened before when filter was at least 3-4 yrs old. I’ve typically changed dryers every 5-6 yrs. with only 1 filter change between, for years. I’m now convinced that’s not good. Yet I’m surprised I need a new filter already. Also getting oil in my dash air lines. Replacing switches and a/c air piston plungers soon. Can I put a Coalescing filter on it? Any suggestions? Wix works for Me. No problem with online purchases, if it’s cheaper, easier to change more often. Any filter should last at least a year. I’d like to get the system cleaned up again, and start changing filters every fall, as I usually do air filters and shocks every fall. Keeps things simple, that way.