WIX Air Filter for 1981-2019 Western Star/Mack 11.0L 14.6L (4800, 4900, 6900XD, 3800) 42941
Always the correct part
Call or Chat
60-Day Returns Accepted
Free Ground Shipping
The WIX Power Steering Filter (part number 51637) is a direct-fit replacement for 1981-2026 Western Star, Peterbilt, Kenworth, and Freightliner vehicles with 8.9L, 10.8L, and 15.0L engines.
Specifications:
| Height | 4.125 in |
| Filter Media | Cellulose |
| Duty Type | HD |
| Micron | 25.00 |
| Outer Diameter Top | 5.000 |
| Inner Diameter Bottom | 0.860 |
| Style | Power Steering Cartridge Filte |
Fits: 1981-2026 Western Star, Peterbilt, Kenworth, Freightliner, and Volvo models including 4800, 4900, 5900, 6900XD, 3800, 4900SA, 6900, 4900E and more - 8.9L, 10.8L, and 15.0L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: ACDelco PF1065, Baldwin P528, Baldwin PT9386MPG, Caterpillar 3I1199, Donaldson LFP170637, Donaldson LFP550637, Donaldson P550637, Donaldson P550637288541 and 21 more
WARNING: Cancer and Reproductive Harm.