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K1524 Steel-End Air Filter for Cummins 4B3.9 & 6BT5.9 Generator Applications
The K1524 / KW1524 air filter is one of the regular generator filters we supply for Cummins 4B3.9-G1 and 6BT5.9-G2 genset platforms.
Product Description
This model is installed inside an external air filter housing assembly, and the image clearly shows its position on the Cummins Onan generator—mounted on the intake side to protect the turbocharger and cylinders from dust and debris.
✔ Factory-Level Construction
At Bowei Filter Factory, we build the K1524 using:
Steel end caps for higher temperature resistance
0.5 mm reinforced expanded metal mesh (many aftermarket filters use only 0.3 mm)
HV filtration paper for stable air resistance and filtration efficiency
Precision pleat forming and depth control to keep airflow smooth under generator load
Final sizing inspection for OD, ID and height
This combination makes the filter more suitable for standby and continuous-running generator rooms, where airflow stability and dust load resistance are important.
Dimensions
| Parameter | Value |
|---|---|
| Overall Height | 252 mm |
| Largest Outer Diameter | 153 mm |
| Inner Diameter | 85 mm |
| End Cap | Steel |
| Mesh Thickness | 0.5 mm |
| Media | HV Filter Paper |
| Structure | Requires external air filter housing |
Applications
The K1524 element is mainly used on:
CUMMINS 4B3.9-G1 generator sets
CUMMINS 6BT5.9-G2 generator sets
Onan genset packages (air filter inside the black round housing)
Typical end users include:
✔ Factory backup power
✔ Small to mid-size generator rooms
✔ Construction site mobile gensets
✔ Hotel / hospital backup power
✔ Rental genset fleets
Replacement / Cross Reference
KW1524
AF4327
AT… (if more, you can tell me)
