I mentioned recently that I’d ordered a batch of air filters made by Athena in Italy. They’re a direct replacement for the Aprilia AP8104169 one and the only obvious difference is the black foam material instead of orange, and that’s fine and dandy with me. However, on stripping out the old filter I noticed for the first time (that I can recall!), it has a code on the end …. hmmmm ….. could it be a viable manufacturers code I wonder?
A few minutes on the web confirmed that the number is definitely a manufacturers code – not Aprilia, but FIAAM. A bit more digging unearthed a total of three cross-referance numbers. Tecneco AR9474PM, FRAM CA9474 and FIAAM PA7301. The downside? All of them seem to be obsolete, with FRAM/FIAMM saying they went out of production in March 2012! Buggeration ……
But … one of the sites I found listed a filter that is an almost identical footprint to the OEM one:-
Aprilia OEM 210 x 140 x 30
FIAAM PA7180 212 x 140 x 60
Now a 2mm length difference is peanuts – the OEM one can be stretched/compressed by 10mm easily, the problem may well be the height, at 60mm it’s double the OEM filter. So to try to find out I took some pics of the airbox with the OEM filter in and had a play in Photoshop. Here’s the outcome.
The vertical lines show where the filter ends or interferes with the frame or lid. As you can see, the 60mm high PA7180 will squash in at the ends …… will this be enough to restrict air flow, or will the greater surface area of the larger pleats compensate? Answers on the back of a crisp £20 note if you please! 😀
Next time I’m passing a motor-factors, I’ll order one and have a play. At £4.68 each they’re half the price of the Athena …. and that brings me nicely back onto track, the new Athena filters that turned up today. What are they like then eh?
Well, dimensionally it’s an exact copy, so the fit is absolutely fine. One nice touch is the embossed pleats. It keeps them evenly separated for better air flow unlike the OEM element that is simply made of folded paper where the pleats can collapse onto each other. The bottom line is that it fits well, looks better constructed and is substantilly cheaper than OEM (€8.35 each from Germany) …… oh and it comes in a nice shiny box!
3 Replies to “Air filter frolics”
based on my measurement, the air filter size is: 215×140
On Sofima web page, using the size->type converter, the SOFIMA S3057A is found to be competitive replacement. and SOFIMA gave this cross reference:
MA1079 CLEAN FILTERS
**PA7180 FIAAM** This is the one mentioned in the article
AE2259 UNICO FILTER
MD9358 ALCO FILTERS
WA6314 WIX EUROPE
Tested, the height is not an issue. Works well. The first 1-2 waves most be fold down a little bit, that is all.
I put FILTRON AP 133 in.
This page is awesome, need to memorize/read everything.
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