Press & drag to view
91559 Cabin Air Filter – Fits Freightliner Cascadia & More
- Part Number: 91559
- Type: Cabin Air Filter (HVAC)
- Applications: Freightliner Cascadia & compatible HVAC systems
- Cross References: Donaldson, Fleetguard, Luber-Finer compatible numbers
Why Choose This Cabin Air Filter
- Helps remove dust, pollen, and contaminants from cab air
- Improves driver comfort and HVAC performance
- Direct replacement part with known cross reference matches
Vehicle Compatibility / Fitment
This cabin air filter is commonly used in Freightliner trucks, especially:
| Make | Model / Series | Notes |
|---|---|---|
| Freightliner | Cascadia | HVAC / Cab air systems – Verify by OE / cross ref |
Cross References / Replacement Numbers
- Donaldson compatible
- Fleetguard compatible
- Luber-Finer compatible
- Other OEM replacements (verify by filter number)
Important Fitment Notes
- Always confirm fitment with your existing filter number or truck HVAC configuration before ordering.
- Some trucks may have multiple cabin filters; confirm how many your unit needs.
- If unsure, send us your truck year, model, and current filter number and we will verify fitment for you.
Shipping & Returns
Fast shipping available. Returns accepted according to store policy, must be unused and in original packaging.
Need help confirming fitment?
Send us your Freightliner model and filter number and we will assist before you order.
Recently Viewed
Your browsing history.