The VG1092080009 (WDK999) is a high-performance spin-on fuel filter designed specifically for Sinotruk HOWO engines. In modern high-pressure common rail (HPCR) systems, fuel purity is critical. This filter serves as a primary defense against micron-sized contaminants and water, preventing injector erosion and fuel pump failure. As a cornerstone of our Sinotruk spare parts inventory, the WDK999 utilizes advanced synthetic media to maintain consistent flow even in extreme cold-weather operations.

Technical Specifications:

Part Number: VG1092080009
Cross-Reference: Mann WDK999, VG1092080009/1
Engine Fitment: Sinotruk WD615, WD12, D10, D12 Series
Filtration Rating: 3-5 Microns (High-Efficiency)
Thread Size: 1-14 UNS
Outer Diameter: 108 mm
Height: 230 mm
Operating Pressure: Up to 10 Bar
Seal Material: High-grade Nitrile Rubber for leak-free performance.

Professional Installation Steps:

Seal Preparation: Before spinning on the new VG1092080009, apply a light coating of clean diesel or engine oil to the rubber gasket. This prevents the seal from “binding” and ensures an airtight fit.
Pre-Filling: It is highly recommended to fill the filter with clean diesel fuel before installation. This significantly reduces the amount of air introduced into the fuel lines and speeds up the priming process.
Tightening: Screw the filter on by hand until the gasket contacts the base. Then, give it an additional 3/4 to 1 full turn using a filter wrench. Avoid over-tightening as it may damage the thread or seal.
Air Bleeding: Once installed, use the hand primer pump on the engine to bleed any remaining air from the system until you feel significant resistance.
Leak Check: Start the engine and let it idle for 2 minutes. Inspect the base of the WDK999 for any signs of seepage.