after being passed around to four isuzu dealers the forth flat out told me we dont have your part we dont make em no more and not likley to ever again so my 1986 4fb1 1.8L naturally aspired engine sits without a head gasket.i have a couple ideas of what to do but im not the sharpest pencil in the box when it comes to diesel motors.perhaps somebody out there has some experiance with this situation and could advise me ,i could sure use it thanks

 

Try these guys out
Isuzu engine rebuild kit and Isuzu master engine rebuild kits | parts

 

E-bay has this head gasket
McCord Head Gasket CH254 for Isuzu 1 8L 1 9L 4 Cyl Engine | eBay