Ok, i was asked some time ago to post a links to a number of the sites i have saved for both parts and reference material... Here goes:
After market parts & AccessoriesAmerican Industrial Truck Models
http://www.aitruckmodels.com/ Auslowe model truck accessories
http://www.auslowe.com.au/index.php?option=com_content&view=frontpage&Itemid=1Sour Krauts Model trucks (used to be a great selection of parts, can be hard to contact now)
http://sourkrautsmodeltrucks.com/Police Car models (formerly classic hobbys) (a great source of lightbars etc for oversize trucks)
http://www.policecarmodels.com/Scale Equipment (figures, toolboxes etc)
http://www.seltd.net/Detail Master (great PE parts including working Piano hinges, very detailed slam locks, seat belt buckles etc)
http://www.detailmaster.com/Evergreen (styrene etc for scratchbuilding)
http://www.evergreenscalemodels.com/Melbourne Model Truck Accessories (check out his range of trailers)
http://www.freewebs.com/mmtaer/truckparts.htmP&P Vintage kits (some great resin, mainly US trucks though)
http://www.ppvintagekits.com/Resin Motor Replicas (specialising in cars & trucks from the 50's & 60's etc)
http://rmrresin.webs.com/nf125.htmScale Hardware (a brilliant source of REAL METAL rivets, bolts etc for the extreme detailer in all of us)
http://www.scalehardware.com/The Fibre Optic Store (as the name suggests, they specialise in Fibre Optic kits for models)
http://www.thefiberopticstore.com/The Parts Box (a local company that does a lot of interior detailing parts as well as some brilliant hot rod gear)
http://www.thepartsbox.com/Hiroboy (very similar to Scale Hardware)
http://www.hiroboy.com/catalog/index.php?cPath=93Plastruct (another source for Styrene etc, download their (massive) catalouge and go through it ALL, you won't be dissapointed)
http://www.plastruct.com/Offroad tyre database (someone has had way too much time on their hands with this one)
http://www.magazinepublisher.com/models/tires/tires.htmlAussie Resin Models (another Australian company that does a lot of transkits / conversion etc)
http://www.aussieresinmodels.com/Model truckin (a website made by a member of another model truck forum, he does a lot of custom Pin Stripes etc)
http://modeltruckin.com/4D model shop (a UK company specialising in custom PE etc)
http://www.modelshop.co.uk/acid-etching-61-w.aspMF Pilot (an assortment of kits, tools, parts etc)
http://www.mfpilot.com/Creative Models Australia (an assortment of parts from a number of the companies listed previously)
http://www.creativemodels.com.au/shopmastery.php?cat1=MODEL+CAR+GARAGE&cat2=1%2F24-1%2F25+BIG+RIGJims Printable Minis (a site where you can download and print scaled down magazines posters etc)
http://www.printmini.com/printables/ph.shtmlMr Modellbau (the page this link goes to has chains, turnbuckles etc on it)
http://www.mrmodellbau.com/_shop/product_info.php?info=p513_Chains---turnbuckles-US-Army---NATO.htmlA & N Models (some great upgrades and conversions for late model UK & Euro style trucks as well as the infamous Argosy)
http://an-modeltrucks.com/conversion-kits/ToolsMicro Mark (some of the best power/bench tools & specialist hand tools specifically aimed at Hobbists & craft work)
http://www.micromark.com/Mission Models (designers of the Etch Mate range of tools etc)
http://www.missionmodels.com/home.phpBNA Model world (more of the same)
http://www.bnamodelworld.com/index.php?main_page=index&cPath=165_335