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Baldwin Filters PF9873 fuel filter cartridge with O-ring

Baldwin Filters

Baldwin Filters PF9873 Fuel Filter Accessory

SKU CH-KR97-QQS9V

Fuel filter cartridge with included O-ring, measuring 1-15/16 in height and 1-7/16 in width

  • Cartridge filter design simplifies routine fuel-system maintenance
  • Compact 1-15/16 in height fits tight engine compartments
  • Included O-ring provides reliable sealing without extra parts
  • Baldwin Filters brand trusted for consistent filtration performance
  • Threadless installation speeds up filter replacement on site

Product Identity

The Baldwin Filters PF9873 is a cartridge-style fuel filter accessory designed for automotive and light-commercial fuel systems. It serves mechanics and fleet operators who need a direct-fit strainer to protect downstream injection components.

Upgrade Context

This filter replaces a worn or clogged cartridge when flow restriction or contamination risk increases. The jump is worth it when service intervals are due or when water and particulate buildup threaten pump performance.

Installation Notes

The unit includes an O-ring and features a 15/32 in inside diameter with a 1 7/16 in outside diameter for a press-fit seat. No threading is required, but misaligned seating or a pinched seal are the most common causes of post-installation leaks.

How it compares

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

Price $21.99
Cheaper than about 67% of the 962 comparable items (median $38.99).

Specifications

Product
Brand nameBALDWIN FILTERS

Questions about this item

What are the 1 15/16 in height and 1 7/16 in diameter dimensions for the PF9873 housing fit?

The cartridge measures 1 15/16 inches tall with a 1 7/16 inch outside diameter, so the housing must accept those exact envelope dimensions.

How do you seat the included O-ring correctly when installing the PF9873 cartridge?

Lubricate the supplied O-ring with clean fuel, press the cartridge squarely into the housing until the ring seats fully, then torque the bowl to spec without cross-threading.

When should the PF9873 cartridge and its O-ring be replaced?

Replace the cartridge at the engine manufacturer's service interval or sooner if pressure drop rises, and install a fresh O-ring every change to prevent air ingress.

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