The pumps in your link are just lift pumps, in the thread you linked to it appears his injector pump is damaged.
An injector pump is a serious bit of kit. You should never need to fit a new one, it should last the life of the engine. $4k is still quite steep. I priced one for a Kubota and it came out at ~$800
I suspect there may be more to this story, injector pumps dont just go wrong from sitting over winter.[/QUOTE]
BINGO Jim
!
Chances of an injection pump ...just going bad are extremely remote. But...if there's fuel condensation (water) inside, and allowed to freeze, expand and crack the body - it's replacement time!
I've never heard of any single component on a CUT costing $4K. Maybe a shortblock but not a pump.
Mark