CAT 525-0290 Caterpillar C9.3B Relief Valve Assembly | Engine Fuel System Parts
CAT 525-0290 Caterpillar C9.3B Relief Valve Assembly
OEM-quality relief valve assembly for Caterpillar C9.3B diesel engines. Regulates and limits pressure within the fuel system, lubrication circuit, or hydraulic circuit by opening at a preset pressure threshold to divert excess fluid and protect downstream components from overpressure damage. Manufactured to OEM specifications for correct opening pressure, flow capacity, seat configuration, and thread size, ensuring reliable pressure regulation and long service life under continuous heavy-duty operating conditions. Essential for fuel system, lubrication system, or hydraulic system overhaul and relief valve replacement. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.
Part Specifications
- Part Number: 525-0290
- Brand: Caterpillar (CAT)
- Component: Relief Valve Assembly (VALVE AS-REL)
- Condition: New / OEM Replacement
- Country of Origin: China
- HS Code: 8481.20
- Application: Industrial / Construction / Power Generation
Compatible Engine Models
- Caterpillar C9.3B
- Please confirm compatibility with your engine serial number before ordering.
Cross Reference Numbers
525-0290 | 5250290 | CAT5250290
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