Thanks PL1200 I'll give Nissan a try with that part number as the one I got from the Wiki was different (27363-18200).

I did go to the wreckers today and got some N14 Pulsar ones which fit the holes in the firewall OK but the hole in the centre is too small for the heater hose to go through. Although it's an aftermarket hose and I believe the original Datto heater hoses are thin wall so maybe they fit through?

hi ca18det1200, I bought these heater grommets last year august 2012 genuine from Nissan.
they cost me $1.30 each trade price.here is the part number
NI-27363-18001
thanks

Awesome! Thanks

If I get the chance I'll see if I can scan the article and post it on here for you.

Wicked! Can you post the article?

Thanks all for your suggestions. I'm going to go with the N14 ones as they are locally available and cheap.

P.S. DatsunBeginner thanks for that link, they seem to have a lot of genuine stuff. On a side note my wife bought me a magazine to read the other day 'Queensland Performance Cars' and I noticed your old orange ute made an appearance.

Search b110 heater grommet on ebay, bprojects have them for sale

Forgot to mention I went straight to Clark rubber after leaving the Nissan dealership.
Clark Rubber didn't have anything close.

Dattodude thanks for the tip on the N14 ones. Plenty of those at the local wrecker and no doubt if I wanted those new they would still be available through Nissan.

Use n14 pulsar they look better and are more common at the wreckers.. Slthough maybe not anymore