Air compressor with silver top and black housing, includes outlet ports and gear shaft

Air Compressor For Cummins ISL ISC S21435 3966521 3966521RX 3969110 5301094RX

$690.89
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Air compressor with silver top and black housing, includes outlet ports and gear shaft

Air Compressor For Cummins ISL ISC S21435 3966521 3966521RX 3969110 5301094RX

$690.89

Product Overview

This aftermarket air compressor is designed for Cummins ISL and ISC engine applications, including part references S21435, 3966521, 3966521RX, 3969110, and 5301094RX. It serves as a replacement compressor for the air system in these diesel engine platforms. Refer to the supplied part numbers to confirm the correct match for your application.

Key Features

  • Aftermarket replacement air compressor for Cummins ISL and ISC applications
  • Associated part references include S21435, 3966521, 3966521RX, 3969110, and 5301094RX
  • Intended for the air compressor function within the engine air system
  • Compare part numbers against the original component before ordering

Compatibility & Fitment

  • Air compressor for Cummins ISL
  • Air compressor for Cummins ISC
  • Part reference S21435
  • Part reference 3966521
  • Part reference 3966521RX
  • Part reference 3969110
  • Part reference 5301094RX

Product Details

  • Product Type: Air Compressor
  • Part Number: S21435
  • Part Number: 3966521
  • Part Number: 3966521RX
  • Part Number: 3969110
  • Part Number: 5301094RX
  • Model Application: Cummins ISL ISC

Frequently Asked Questions

Q: What is the purpose of an air compressor in this application? A: In Cummins ISL and ISC engine applications, the air compressor supplies compressed air for the vehicle air system.

Q: How do I verify the correct part before purchase? A: Compare the part numbers S21435, 3966521, 3966521RX, 3969110, and 5301094RX against the numbers on your existing compressor or your engine documentation.

This is an aftermarket replacement part for the referenced application and is not represented as genuine or original equipment. Compatibility may vary by model, production date, serial number, or existing part number. Verify fitment before purchase.