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Silver spin-on fuel filter cylinder with bottom drain valve and integral gasket

Baldwin Filters

Baldwin Filters BF7921 Fuel Filter Spin-On Drain

SKU CH-VCK1-9KTP0

Spin-on fuel filter with water separator and drain, 5 micron rating, M16×1.50 thread

  • Spin-on design enables quick, tool-free filter changes
  • 5-micron rating traps fine contaminants to protect injectors
  • Integrated water drain removes moisture before it reaches the fuel system
  • M16 × 1.50 thread ensures direct fit on compatible engines
  • Includes G449-B integral gasket for a reliable, leak-free seal

Fuel Filter for Diesel Systems

The Baldwin Filters BF7921 is a spin-on fuel filter with an integrated water separator and drain valve. It targets a 5 micron rating to protect injection components from fine contaminants. The unit suits diesel engines that require a M16 x 1.50 thread and the listed physical envelope.

Sustained Contamination Handling

The filter media maintains its 5 micron capture efficiency throughout the service interval rather than only during initial flow. The integral G449-B gasket seals against the mounting base to prevent bypass under continuous pressure cycles. The drain valve allows water removal without removing the canister, supporting consistent separation performance over time.

Verify Thread and Clearance Before Order

Confirm the engine or filter head uses an M16 x 1.50 thread pitch to match the filter base. Check that the installation area accommodates the 5 11/16 in height and 3 1/32 in outside diameter envelope. Ensure the drain port orientation is accessible for periodic water evacuation on the specific application.

How it compares

Measured against everything we stock in Pumps, Sprayers & Pump Accessories, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 78% of the 962 comparable items (median $38.99).

Specifications

Product
Brand nameBALDWIN FILTERS

Questions about this item

Does the BF7921 generate heat or noise when the engine runs all day?

The BF7921 is a passive spin-on fuel filter with no moving parts, so it produces no noise or heat during continuous operation.

What thread size must the existing fuel filter head have for the BF7921 to install?

The filter requires a M16 × 1.50 thread on the mounting head for proper installation.

Will the 5 micron rating of the BF7921 work with an older fuel system that previously used a coarser filter?

The 5 micron element provides finer filtration than many older filters, which can protect aging injectors but may clog faster if the fuel tank has accumulated debris.

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