~Do some searching on the forum on this topic, many have gone thru this already.

~"ascinder" has one for sale right now...search and find that thread.

~Contact "phines", he just had his replaced about 5-6 months ago and did some price shopping.

~mypartshop.com
http://www.mypartshop.com/EOL_PublicSearchResults.aspx
Show 12 engines across the country. lists mileage on the clock too so you can take your pic.

~Since cost probably isn't a problem, contact our parts guru/contact - Merlin at St. Charles Isuzu and see if a new one is available and how much.

Merlin
St. Charles Isuzu
MISSOURI
(800) 727-8066

Mention the forum to get discount & free shipping(but prob not on an engine)