1000422381 typically refers to the part number of a fuel filter for diesel engines manufactured by Weichai.

Basic Product Information:

• Product Name: Fuel Coarse Filter Element or Oil-Water Separator.

• Main Brand: Weichai.

• Applicable Vehicles/Engines: Primarily used in Weichai engines such as WP10, WP12, and WD12. These engines are commonly found in SHACMAN and SINOTRUK HOWO trucks, excavators, buses, and industrial generator sets.

Key Specifications and Replacement Numbers:

• Filtration Grade: High-efficiency filtration, typically filtering particles larger than 5 microns with a filtration rate of 99.5%.

• Common Materials: Metal outer shell with a microporous filter paper filter element inside.