I was reading this thread awhile back about using a WA8039 in a 85 CA 300D.

85 cali aircleaner filter

Is anyone running the WA8039 or found anything else that would work. I need to get a new air filter and would like to not spend $50.

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85 300D Turbo

All I can do is add something DeliveryV's excellent detective work.

-The sides of the 'can' that the filter sits in, can be cut away and you can then use a larger filter. The CCV will require some re-plumbing, but it sucks in stock form anyhow.

I have not found a filter, nor have I looked very hard.

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You have to replace the filter every what, 50,000 miles?

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.

That is very optimistic as it depends on where you live; in some places your Filter is going to plug up sooner.

$45+ is too much for an Air Filter.

Not a CA Car but I changed mine to a Washable Fram Air Filter and am saving money buy not having to buy Air filters.
Washable Air Filter and Intake Mod , With Larger Breather
http://www.peachparts.com/shopforum/showthread.php?t=280376

Another Air Filter issue is if the oil mist from the Bolw-by contaminates it and shortens the useful life of the Filter.

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84 300D, 82 Volvo 244Gl Diesel

You might want to question Deliveryvalve and see what he finally came up with.

If you look at Deliveryvalvs pic with the dimensions you see that a portion of the Plastic Cone would need to be drilled through and since the Filter Element is shorter something like a Foam Rubber Donut would be needed to seal it in the Stock CA Air Filter Housing.

The problem area was what to do with the Crankcase Breather Hose that goes into the CA Air Filter Housing. It needs to be routed differently.

Again no matter what Filter you use Oil mist from Blow-by will shorten the life.

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84 300D, 82 Volvo 244Gl Diesel

I cut the oil seperator out of the fed air cleaner and it still sits there in front of the battery--Then the oil vapor hose just runs down to that little Tee in line in the turbo accordion line--Theres no oil going to foul my aircleaner--But I need to blow it out with an air compressor.

Huh???? cut the sides of the can away--why not just run one of the ricky racer cone elements if you were thinking of doing that--Someone would pay for the Ca housing.

If you wanted to retain your CA Air Filter but get a little more life out of it you could get an old XL Sweater and make yourself a Pre-filter to cover the Air Filter.
I did that to both the one on my Volvo and the one shown in the Pic on my Mercedes.
I cut it out and used a type of Rubber Cement to glue it together and String to knot off the End as shown in the pic.

You will be amazed at how much dirt the Pre-filter keeps out of the Air Filter Element.

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84 300D, 82 Volvo 244Gl Diesel

I use K an N had serveral high mileage engines.I like the performance.
There are haters that won't agree.They think Mercedes was built by Gods.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt