[three4rd]

Need to do the yearly replacement on my 129. I came across a Stens filter - cheap enough at around $5, but was just wondering if it's any good? On the cub parts website the part # for the filter is IH-385168-R3. They go for around $19. Other Cub websites also charge close to that. One outfit has a filter that looks like the right one for around $9. The only difference in the part # is R2 at the end. No idea what the 2 or 3 designations refer to (?) I imagine there are good number of filters that effectively cross-reference for the above IH number. As long as it has the proper shape that fits against the base, it should work. Any suggestions?

Also...in looking up these things on the Cub website, it refers to a round "air cleaner seal" - KH-237423. What is this? If there is supposed to be something between the base and the filter, I've never had it. Also interesting is that the air cleaner cover, as pictured, has a tube coming out of it on the top, then a clamp, and then a hose (IH-229453-R1).

I'm finding all this under the model 129 assemblies and so am confused as to what 129 tractors might use something like this? Are these parts listed by mistake somehow and perhaps apply to models other than 129?