The 1000424916 Fuel Filter is a high-precision filtration component manufactured by Weichai for use in Sinotruk HOWO heavy-duty applications. In the demanding environment of international logistics, fuel quality can vary; this filter acts as the primary defense for your common-rail system. As an essential Sinotruk spare part, it is specifically calibrated to match the flow rates and pressure requirements of WP10 and WP12 engines, ensuring that microscopic contaminants don’t reach your fuel injectors.
Technical Specifications:
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Part Name: Spin-on Fuel Filter
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Part Number: 1000424916 (Weichai Original)
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Primary Application: Sinotruk HOWO, HOWO A7, Hohan Trucks
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Engine Compatibility: Weichai WP10, WP12, and Sinotruk D12 series
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Filtration Rating: 5-10 Microns (High Efficiency)
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Sealing Type: Integrated Nitrile Gasket
Pro-Tips for a Clean Installation:
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Don’t Install Dry: Before spinning on the new 1000424916 filter, pre-fill it with clean diesel fuel. This reduces the air volume in the system and saves your battery from excessive cranking during the priming stage.
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The “Lube” Secret: Always apply a thin film of clean engine oil or diesel to the rubber gasket. If you install it bone-dry, the gasket can “bunch up” or tear as you tighten it, leading to a slow air leak that causes hard starting.
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Contact + 3/4 Turn: Spin the filter on by hand until the gasket first touches the filter head base. From that point, tighten it exactly 3/4 to 1 full turn. Never use a filter wrench for tightening; you risk crushing the internal seal or making the next service a nightmare.
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Air Purging: After installation, use the manual priming pump on the engine to bleed any remaining air. If the engine “hiccups” after starting, there is likely still air trapped in the 1000424916 housing.
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Check for “Sweating”: After a 5-minute test run, wipe the filter base with a clean rag to ensure there is no “sweating” (tiny fuel seeps) under pressure.
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