So sorry to hear. Thanks for FYI.
In case anyone else needs to put together a kit, I found theoringstore website a good resource for sourcing Viton o-rings.
This is all to fix my failed emissions issue. I'll be replacing the ones in the delivery valves, shutoff valve, lift pump, fuel thermostat etc. to hopefully solve this motor's nailing / missing problem (will also be rebuilding injectors, replacing glow plugs / reaming holes and Marvel mystery soaking the pistons and valves for good measure).
There seems to be some merit in theory that ULSD harms o-rings. I wonder if my not adding diesel additive lately made things worse.