212 piston/liners

Question for the brain trust! I am overhauling my 9T 212 grader, and looking for piston/liner kits. There is plenty of previous discussion on the liners for a D2 being different (different part number) than the 212 engine, although both are D311 engines and I am wondering if they will work in the 212 grader. Can anybody advise on the differences? Has anybody tried them?

Why would they be different?

Caterpillar frequently improved/changed parts in some way, resulting in a different part number being assigned, but almost always, and especially in a component like an engine, the new one fits in place of the old one.

If you are looking at piston/sleeve units, the pistons are one of the most frequently updated components I can think of. When the D311 was introduced, Caterpillar was using pistons that had the top threaded on to the base and then pinned in place. These were noted for failing, sometimes resulting in a shower of hot bits out the exhaust! There have been several revisions to the piston design or method of manufacture in the 60-odd years since.