Method 1: The important Label.
Method 2: Fluorescent Light.
Method 3: Two-Dimension Code on label.
Method 4: Manufacturer's ID Number.
Each sub-factory that supplies SINOTRUK has an unique ID number which is carved in different ways on each part’s body, except for those are too small to make it happen. If you find a part has no ID number on body any where, it is a fake part for big probability.
Method 5: Look at the Appearance and Painting.
Some fake parts are refreshed from used parts or omitted with necessary working process, then to be polished and to painted. If you find the surface of part is not that smooth, even a few knots and rags are spotted, so please raise your attention.
See refreshed knuckles below:
Method 6: Is the Packing good enough?
SINOTRUK genuine spare parts has standard procedure of packing, there are different layers, and clear printing on cartoons, specified packing details etc. For some important parts, there are also qualification certificate, inspector certificate and instruction book inside.
Method 7: Is the price too low?
Howo Truck Turbo Charger Problem Diagnosis and Maintenance.
Turbo Problems Diagnosis
When idling, the exhaust smoke is blue. No blue smoke during driving. No oil leaking.
The impeller shaft of the turbocharger is poorly sealed.
Blue smoke is emitted when idling and driving, and it is more serious when accelerating, and the oil consumption is large.
Exhaust pipe of turbo is blocked.