Get some extra fuel injection return line. You cant buy it at the local Mcparts and it cost alot from the dealer and you will waste/leak alot of fuel driving around to find a substitue (one member said 1/8 inch rubber weed wacker fuel hose works). I like to have a set of extra injector heat shields as it is another item better bought on the internet due to cost.
The last time I went to the pull your own parts junk yard I pulled out at least 100 fuses and some other odds and ends and was charged only $2.50 for all of it.
The suggestion go get some extra glow plugs was a good one as you for get about them until they are dead; when you buy the locally they can cost nearly twice as much as on the internet and the local Autozones around here are not carrying the Bosch ones. You might end up buying Autolites just to get yourself going if you do not have spares.

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84 300D, 82 Volvo 244Gl Diesel