Caterpillar Aftercooler & Lines Install Kit 175-6618 is a aftercooler product that cools compressed intake air to support efficient engine operation. It is listed for Caterpillar heavy-equipment applications; use part number 175-6618 as the primary identification reference.
- Part Number: 175-6618
- Brand: Caterpillar
- Product Category: Aftercooler
- Equipment Type: Generator, Gen Set Engine, Generator Set, Marine Auxiliary, Marine Engine, Petroleum Engine
- Compatible Models: SR4B, SR4BHV, 3512B, 3512C
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





