I realise this is n12 TURBO and I'm posting up details about an n12 NON-turbo, but I can't find anywhere else online more appropriate, plus I'm already a member here.
I want to stick up this info so that other poor non-turbo e15 engined people don't have to go through the bs that I've just been through trying to get replacement parts
Air Filter: Ryco A105
Fuel Filter: Ryco Z91
Carby rebuild kit: Fuel Miser HT13L (which replaces kit HT-424)
Rocker cover gasket: Permaseal JN494
Vacuum Line: 4mm ID generic
This is all appropriate for an 89 Nissan S-Cargo.
Stockists for most of the bits are either AutoPro, Auto One or Repco. The Fuel Miser rebuild kit came from Covs (otherwise known as Coventrys). There are 2 kits that come up for the carby a HT-420 and the HT-424, as noted the 424 is the one you want as the gaskets do not fit from the 420 (yes, I ordered the 420 and then had to wait another day for the 424 after realising they wouldn't fit)
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