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

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

This air brake compressor, referenced as 3969102 and 4946298, supplies compressed air for the brake system on Cummins QSB5.9, 6BT, 6CT8.3, 6B5.9, and B5.9 engines.

Overview

This air brake compressor is a replacement unit for Cummins diesel applications, cross-referenced under part numbers 3969102 and 4946298. The compressor feeds the air brake system, keeping pressure up so brakes and air-driven accessories operate as intended. It suits owners and mechanics servicing trucks, buses, and equipment powered by the listed Cummins engines.

Built For Performance

• Cross-references part numbers 3969102 and 4946298
• Designed for Cummins QSB5.9 and 6BT applications
• Also intended for 6CT8.3, 6B5.9, and B5.9 engines
• Provides compressed air for brake system operation
• Direct replacement fit for the listed part numbers

Fits These Machines

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

On-The-Job Use

• Air brake system air supply on trucks and buses
• Engine service and compressor replacement work
• Fleet maintenance on Cummins-powered equipment
• Repair jobs matching the listed part numbers

Specs At A Glance

Good To Know

Q: How do I confirm this compressor fits my engine? A: Match your existing compressor part number against 3969102 or 4946298 before ordering. Engine serial number and application details can help confirm fitment.

Q: Is this an original Cummins part? A: No, this is an aftermarket air brake compressor for Cummins applications. It is not an original brand product.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.