Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, particulate traps; Combustion engine fuel nozzles; Engine injectors; Exhaust gas treatment systems for diesel engines; Fuel pumps for land vehicle engines; Fuel pumps for land vehicles; Injectors for engines; Pressure transducers as parts of machines; Pump control valves; Pumps and compressors as parts of machines, motors and engines; Pumps as parts of machines, motors and engines; Valves for pumps