Try rust-proof paint for home use on your car. mini truck 

Seiji Kuze, Suglemon Automotive Supplies
Paint that can be applied directly over rust
Asahi Pen Oil-based high durability spray for iron parts 300mL　
Asahi Pen Oil-based high durability for iron parts White 1/5L
*The color spray is less likely to drip and adheres better than body color sprays.
*The paint film is soft and is not suitable for areas that will be rubbed, such as the floor of a cargo bed.
TAMIYA Airbrush System No.20 Spray Work Basic Compressor Set with Airbrush
TAMIYA Airbrush System No.29 AC Adapter for Spray Work SWA-3

Авто/Мото