231-3930 Caterpillar C9.3B Relay Assembly | Engine Electrical Parts
231-3930 Caterpillar C9.3B Relay Assembly | Engine Electrical Parts
231-3930 Caterpillar C9.3B Relay Assembly
OEM-quality relay assembly for Caterpillar C9.3B diesel engines. Controls high-current electrical circuits by using a low-current signal to switch the relay coil, enabling safe and reliable operation of starter motors, fuel systems, cooling fans, and other high-draw electrical loads. Manufactured to OEM specifications for correct coil voltage, contact rating, connector configuration, and switching characteristics, ensuring reliable electrical system performance under continuous heavy-duty operating conditions. Essential for engine electrical system repair and relay assembly replacement. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.
Part Specifications
- Part Number: 231-3930
- Brand: Caterpillar (CAT)
- Component: Relay Assembly
- Condition: New / OEM Replacement
- Country of Origin: China
- HS Code: 8536.49
- Application: Industrial / Construction / Power Generation
Compatible Engine Models
- Caterpillar C9.3B
- Please confirm compatibility with your engine serial number before ordering.
Cross Reference Numbers
231-3930 | 2313930 | CAT2313930
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