Oil filter cover (Cap)

[David D. smith]

When I bought #3 cub, The guy I bought it from said he was never able to get it sealed tight and it allways leaked. I looked at it on the tractor and it looked like it was installed upside down. It is dimpeled down, not domed up. Today I removed it to change the filter and found it is made of cast white metal not stamped steel. He had installed 2 gaskets and used silicone sealer but it still leaked. It was installed correctly but is not the right cap. The part # cast into it is 251406 R1, My parts book calls for a # 251406 R2. I think the bolt is bottoming out before it seals. I guess I will have to phone TM and get the correct cap. I wanted to order some other small parts also.

[Jim Becker]

Your cap is the style originally on the early Cubs. It is caved in from overtightening. The stamped steel ones work a little better but still can require a little finesse to keep them from leaking.

[David D. smith]

Jim, I would think the inside webbing would be cracked, and it is not. Also the part that fits inside the case is tapered and too large at the top.
http://img.villagephotos.com/p/2002-10/ ... pe004A.jpg

[John *.?-!.* cub owner]

I've seen several sprung like that, and none of them were cracked or checked. The oil filter has a different size hole at the top and bottom, and the hollow bolt that goes through it is stepped to fit the different sizes.

[Jim Becker]

It might have cracked if it had been bent all at once. But it was probably done a little bit at each oil change.