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The BALDWIN FILTERS BF46039-D is a fuel and water separator element designed to remove free water and contaminants from diesel fuel systems before fuel reaches the injection components. Water in diesel fuel accelerates corrosion in injectors, fuel pumps, and fuel rails, leading to costly failures. This element fits into a compatible separator housing and is serviced during routine fuel system maintenance. At 0.721 pounds, it is a direct-replacement filter element suited for heavy-duty and commercial diesel applications. Licensed technicians and diesel mechanics perform this service as part of scheduled preventive maintenance intervals.
The BF46039-D is used in diesel-powered commercial vehicles, construction equipment, and agricultural equipment that require fuel and water separation upstream of the injection system. It is a recognized cross-reference for Caterpillar, Fleetguard, and Wix filter lines, making it a common consolidation choice for fleet shops and service facilities that stock Baldwin as their primary filter brand. Sold individually, it is suited for single-unit repairs and bulk fleet service alike.
This element is compatible with applications that use Caterpillar 3619554, Fleetguard FS20049, or Wix WF10054 fuel water separator elements. Verify housing thread pitch and bowl interface before installation to confirm fitment.
Installation is performed by a qualified diesel mechanic or licensed technician as part of a scheduled fuel filter service interval. Shut off the fuel supply and relieve any system pressure before removing the old element. Dispose of drained fuel and water mixture in accordance with local environmental regulations. Prime the fuel system after element replacement to purge air before attempting to start the engine.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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