A truck engine draws a very large volume of air, so the air cleaner is a large dry element in a canister or box housing, often with a second safety element behind the main one. Dust that gets past a failed seal goes straight into the turbocharger and cylinders.
Symptoms that usually point to it on a vehicle like the FAW Jiefang J7:
Give the element dimensions or the housing type, the engine model and emission standard, and whether a safety element is fitted behind the main element.
Fitment is confirmed from the VIN and from the number on the part being replaced, not from the model name alone: engine variant, trim, market specification and mid-life revisions all change part numbers within the same model year. Send the VIN, the model year, the transmission type, whether the vehicle is left- or right-hand drive, and a photograph of the old part showing any number printed on it.
Read the full Filters buying guide, or see all FAW Jiefang J7 parts and the FAW sourcing notes.
Sino Drive Components exports FAW spare parts from China to importers, distributors, workshops and individual buyers. Wholesale and bulk orders are accepted, mixed loads can be arranged, and the minimum order quantity for this part is shown above. Read how wholesale orders work, or browse Chinese car parts by brand and category.