226-9580 | Genuine CAT BA-922 Twin Cylinder Air Brake Compressor

The Genuine CAT BA-922 Twin Cylinder Air Brake Compressor, part number 226-9580, supplies compressed air for heavy-duty pneumatic braking systems and compatible air-powered accessories. This compressor is associated with selected Caterpillar C15 and C18 engine applications. Confirm the engine configuration and compressor specifications before ordering.

PRODUCT INFORMATION

• Part Number: 226-9580

• Brand: Caterpillar (CAT)

• Model: BA-922

• Part Name: Twin Cylinder Air Brake Compressor

• Component Type: Engine-Driven Air Compressor

• Number of Cylinders: 2

• Listed Engine Applications: Selected Caterpillar C15 and C18 configurations

• Condition: Confirm the actual item condition before publishing

APPLICATIONS

Part number 226-9580 is listed for selected Caterpillar C15 and C18 engine applications, including certain truck and industrial engine configurations. Verify the engine serial number, original compressor number, drive gear, mounting arrangement, and port configuration to confirm fitment.

FUNCTION

The CAT BA-922 air brake compressor generates compressed air for the vehicle's pneumatic braking system and compatible air-operated accessories. Proper compressor operation helps maintain the air supply required for normal system performance.

COMMON SIGNS OF AIR COMPRESSOR FAILURE

A worn, damaged, or failing air brake compressor may cause symptoms such as:

• Slow air pressure build-up

• Difficulty maintaining the required air pressure

• Air leaks around compressor connections

• Excessive oil carryover into the air system

• Unusual compressor noise or vibration

• Low-air-pressure warnings caused by insufficient air supply

These symptoms may have other causes and should be confirmed through proper diagnostics.

WHY REPLACE A CAT AIR BRAKE COMPRESSOR?

A faulty air brake compressor may not supply enough compressed air for the vehicle's pneumatic systems. Replacing a confirmed defective compressor with the correct replacement unit helps restore the required air supply and supports reliable braking system operation.

FITMENT INFORMATION

Before ordering, verify part number 226-9580, the original compressor identification, engine serial number, drive gear configuration, mounting points, and port arrangement. Related numbers may include 5011625, 5013070, 5013071, 5013059, and 801595, but interchangeability should be confirmed for the specific application.

GENUINE CAT PART

This listing identifies the Caterpillar BA-922 Twin Cylinder Air Brake Compressor, part number 226-9580. Confirm the actual item condition, brand markings, included components, and fitment details before purchase.