3973233 Fuel Filter For Cummins

The part number 3973233 is a Spin-On Fuel/Water Separator Filter for Cummins Engine.

Overall Height: ~201 mm to 213 mm

Outer Diameter (OD): ~93 mm to 94.5 mm

Thread Size: 1-14 UNS-2B (or 1-14 UNF)

Cross-Reference:

Fleetguard: FS19732

Donaldson: P550848

Baldwin: BF1385-SPS

Wix: 33732

This part or its Fleetguard counterpart is standard equipment on several Cummins off-highway, agricultural, and medium-duty truck lines:

Cummins ISF Series (e.g., ISF 3.8 often found in light/medium commercial trucks like Foton)

Cummins ISB Series (Common in school buses and delivery trucks)

Cummins QSB Series (QSB 6.7 off-highway/industrial)

Cummins QSC Series (QSC 8.3 Tier 3 industrial)

Cummins QSL Series (QSL 9 Tier 3 engines)

3973233 Fuel Filter For Cummins

3973233 Fuel Filter