What are the names for these two pieces of a car chassis and a piece for above the wheels?
: 3787 — Car Mudguard 2 x 4 without Studs
: 4211 — Car Base 4 x 5
: 4732 — Bracket 8 x 2 x 1 1/3


In the link for each piece, you'll find actual sets containing them, from which you can find set instructions. In particular, the two mudguard ones need to be one plate apart from regular wheel sets.