Air Compressor for Cummins ISL and ISC Applications
This air compressor is an aftermarket replacement component identified by the reference numbers 3966521, 3966521RX, 3969110, and 5301094RX. It is intended for Cummins ISL and ISC engine applications where a replacement compressor is required. The compressor supplies compressed air for the vehicle's air system. Verify the part number and engine application before ordering.
Q: How do I confirm this compressor fits my engine? A: Check the complete engine model and the existing part number against the reference numbers listed above before ordering.
Q: What is the purpose of an air compressor on a Cummins ISL or ISC engine? A: It supplies compressed air used by the vehicle's air brake system and other air-operated components.
This is an aftermarket replacement part. Confirm fitment before purchase.
