I found a bunch of Industry Data . . .

[Scott Danforth]

I've already noticed more 'obsolete' parts for my 2001 Volvo-Penta 5.7GXi on the marine parts websites.

As opposed to the Ford, GM and Stelantis parts obsolete for 2013 and older vehicles?

 

[Lou C]

There are only a few car companies who actually make parts for older vehicles available.

 

[Pmt133]

At some point merc changed the GEN II but I'm pretty sure most of the gear sets and parts all work back to the early 70s. I was kind of surprised when I was gathering parts like gears and bearings for my MR when I saw they were listed for Gen II up to a certain serial number.

We have some equipment with plans in our plant where the last revision was made to the design pre-war. I kind of feel like the alpha is getting to that point. Antiquated by modern standards... but if it ain't broke and you can fix it still... why not.

 

[Scott Danforth]

Aftermarket companies offer gears and parts for common older drives

 

[Lou C]

How “good” it is should be determined by how ”good”
It works!

 

[Pmt133]

True. And as dad always said, the parts weren't always easy to get when they were in production. So I guess it doesn't matter that much.

How “good” it is should be determined by how ”good”
It works!

Good enough Pratt didn't think it worth their time to design replacements.