Outer Inner Filter Kit 6598492 6598362 Fit Bobcat 325 328 331 Compact Excavator
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Outer Inner Filter Kit for Bobcat
This outer and inner filter kit, referencing OEM cross-reference numbers 6598492 and 6598362, is designed to provide complete air filtration for the engine in compatible Bobcat compact excavator models. This two-element kit ensures that both primary and secondary filtration stages are replaced together. It is for Bobcat 325, 328, and 331 models.
Overview
This outer inner filter kit includes both the primary air filter and the safety filter, offering a complete replacement solution for your Bobcat equipment. The kit is engineered to capture harmful particles and maintain consistent airflow to the engine for reliable operation. It is a direct replacement for the 6598492 and 6598362 filter elements.
Built For Performance
- Contains a high-capacity outer filter and a safety inner filter
- Uses robust filtration media that resists moisture and damage
- Precision-designed to ensure a secure seal and proper fitment
- Manufactured to handle the severe conditions of construction sites
- Helps to extend engine life by preventing abrasive particles from entering
Fits These Machines
- for Bobcat 325
- for Bobcat 328
- for Bobcat 331
On-The-Job Use
- Ideal for changing both filters during scheduled excavation equipment maintenance
- Used in digging, trenching, and site-prep applications to ensure engine reliability
- Directly replaces worn-out filters that cause reduced power and fuel economy
Specs At A Glance
| Part Number(s) | 6598492, 6598362 |
| Filter Type | Outer and Inner Air Filter Kit |
| Quantity | 2 |
Good To Know
Q: Why does my compact excavator need an outer inner filter kit? A: The outer filter captures large particles, while the inner filter protects the engine if the outer is compromised. Replacing both together ensures your Bobcat engine is always completely protected.
Q: Are these filters washable or reusable? A: No, these are dry-type paper filters and should be replaced when dirty or at the recommended interval. Attempting to clean them can damage the media and allow debris to enter the engine.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.