WIX Power Steering Filter for 1981-2026 Kenworth/Peterbilt/Freightliner (T800, C500, W900, T600A) 57557
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The Donaldson Automatic Transmission Filter Kit (part number P550222) is a direct-fit replacement for 1981-2025 Kenworth, Peterbilt, Freightliner, and International vehicles with 12.8L, 8.9L, and 14.0L engines. GMC 25010543
Specifications:
| Bypass Valve | Yes |
| Bypass Valve Setting LR | 0.5 BAR |
| Efficiency Beta 2 | 17 MICRON |
| Gasket ID | 2.44 IN |
| Length | 5.36 IN |
| Outer Diameter | 3.66 IN |
| Style | Spin-On |
| Anti-Drainback Valve | Yes |
| Bypass Valve Setting HR | 0.7 BAR |
| Efficiency Test Std | SAE J1858 |
| Gasket OD | 2.83 IN |
| Media Type | Cellulose |
| Primary Application | ALLISON 25010543 |
| Thread Size | 3/4-16 UN |
Fits: 1981-2025 Kenworth, Peterbilt, Freightliner, International, and Mack models including W900, T800, T2000, T600A, C500, T660, K100E, T680 and more - 12.8L, 8.9L, and 14.0L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: Compact alternative for Eaton Transmissions; Hydraulic filter, spin-on
Interchanges With: Hastings HF978, Hastings LF140, Hastings P140, FRAM HP1, FRAM P8427, FRAM PH7497, FRAM PH7650, FRAM PH8 and 59 more
WARNING: This product can expose you to chemicals including Formaldehyde, which are known to the State of California to cause cancer and/or reproductive harm.