C24820 (Primary Filter) + CF1440 (Safety/Inner Filter) is Axial‑seal air filter set. It is installed on heavy-duty engine air intake system for two-stage filtration to trap dust and protect precision engine parts like piston and cylinder liner. Widely used for Volvo generator sets, construction machinery and mining equipment.
Dimensions:
C24820 OD:231mm ID:150mm Height:465mm
CF1440 OD:136mm ID:117mm Height:440mm
Cross reference:
C24820: AF4408 SL81444 SA17362 21010256 49549 RS30062 E1545L A-71340
CF1440: SA17337 SL81427