3969102 4946298 Air Brake Compressor for Cummins QSB5.9 6BT 6CT8.3 6B5.9 B5.9

Product Overview

This aftermarket replacement air brake compressor is intended for the listed Cummins QSB5.9, 6BT, 6CT8.3, and 6B5.9 applications and cross-references part numbers 3969102 and 4946298. An air brake compressor supplies compressed air for the vehicle air brake system. This unit is supplied for comparison with the reference numbers above.

Key Features & Performance

• Compressor that supplies compressed air for the air brake system
• Supports normal air pressure buildup for brake operation during vehicle use
• Cross-references part numbers 3969102 and 4946298
• Intended for the listed Cummins engine applications
• Suited to replacing the corresponding compressor when servicing the air system

Fitment & Compatibility

• for Cummins QSB5.9 applications
• for Cummins 6BT applications
• for Cummins 6CT8.3 applications
• for Cummins 6B5.9 applications

Common Uses

• Replacing a worn or malfunctioning air brake compressor
• Servicing the air brake system during routine maintenance
• Restoring normal air supply function after the original compressor has failed

Technical Specifications

• Product Type: Air Brake Compressor
• Part Number(s): 3969102, 4946298
• Reference Number(s): 3969102, 4946298
• Engine Application(s): Cummins QSB5.9, 6BT, 6CT8.3, 6B5.9

Frequently Asked Questions

Q: What does an air brake compressor do? A: An air brake compressor supplies compressed air used by the vehicle air brake system.

Q: How should fitment be verified? A: Confirm the complete engine model designation and the existing part number, then compare them with 3969102 or 4946298 before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.