528-5683 285-4073 Caterpillar C9.3B Crankshaft Seal | Engine Sealing Parts
528-5683 285-4073 Caterpillar C9.3B Crankshaft Seal | Engine Sealing Parts
528-5683 / 285-4073 Caterpillar C9.3B Crankshaft Seal
OEM-quality crankshaft seal for Caterpillar C9.3B diesel engines. Provides a reliable oil-tight seal at the front or rear crankshaft journal, preventing engine oil leakage past the crankshaft while withstanding continuous rotational contact, heat, and oil exposure. Manufactured to OEM specifications for correct inner diameter, outer diameter, lip profile, and material grade, ensuring long-term sealing performance and resistance to thermal cycling and oil degradation under continuous heavy-duty operating conditions. Essential for engine overhaul and crankshaft seal replacement. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.
Part Specifications
- Part Number: 528-5683 / 285-4073
- Brand: Caterpillar (CAT)
- Component: Crankshaft Seal
- Condition: New / OEM Replacement
- Country of Origin: China
- HS Code: 8484.10
- Application: Industrial / Construction / Power Generation
Compatible Engine Models
- Caterpillar C9.3B
- Please confirm compatibility with your engine serial number before ordering.
Cross Reference Numbers
528-5683 | 5285683 | CAT5285683 | 285-4073 | 2854073 | CAT2854073
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- Global B2B wholesale supply
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- OEM & aftermarket options
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