Caterpillar Aftercooler & Lines Install Kit 420-0923 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 420-0923 as the primary identification reference.
- Part Number: 420-0923
- Brand: Caterpillar
- Product Category: Aftercooler
- Equipment Type: Marine Engine
- Compatible Models: 3412D
- 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.





