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Fleetguard: FS20089
Increased oil temperature or low oil pressure readings
The valve installs at the oil pump and limits maximum oil-gallery pressure during cold starts and high engine speeds
Some EPA tier transitions changed sensor calibration
Stemco 449-4975 Pro-Torq Axle Spindle Nut – 2-5/8 in-12 PACCAR Fleetguard: FS20089Genuine Stemco 449 4975 Pro Torq axle spindle nut with integrated keeper. The 2 5 8 in 12 thread design maintains precise wheel bearing endplay on heavy duty axles. Specifications Manufacturer Stemco Part Number 449 4975 Part Type Pro Torq Axle Spindle Nut Thread 2 5 8 in 12 Includes Keeper lock (keeper 450 4975) Cross References This part replaces or is equivalent to the following part numbers: Stemco: 449 4975 Applications This spindle nut fits:
