Description
Overview:
Remanufactured Bendix BA-921 single-cylinder air brake compressor for Caterpillar C15 Acert and C18 engines. Replaces 5012533 and Caterpillar 2233637 and 0R1624. Flange mount, top inlet, side discharge. Ships with the mounting O-ring and safety valve.
Specifications:
- Part number: 5012533
- Replaces: 5012533, 5012533X, Caterpillar 2233637, 0R1624
- Condition: Remanufactured
- Component type: Air brake compressor
- Compressor model: Bendix BA-921, single-cylinder, single-stage
- Rated output: 15.8 CFM at 1250 RPM
- Mounting: Flange mount
- Ports: Top inlet, side discharge
- Cooling: Water cooled
- Included: mounting O-ring, safety valve
- Engines: Caterpillar C15 Acert, C18
Compatibility / Fitment:
Fits Caterpillar C15 Acert and C18 engines originally fitted with air compressor 5012533, Caterpillar 2233637 or 0R1624.
Hard fitment gate – compressor number:
Check the number on your old compressor’s tag and match it to 5012533, 2233637 or 0R1624 before ordering.
Core return: This part is sold on an exchange basis. Return your old compressor as the core.
Key Features:
- Remanufactured in an ISO 9001:2015 certified facility
- Guaranteed for fit and function
Common interchanges: 5012533 / 5012533X / Caterpillar 2233637 / 0R1624.
This is a remanufactured Bendix BA-921 single-cylinder air brake compressor for the Caterpillar C15 Acert and C18. It replaces 5012533 and Caterpillar 2233637. Match the number on your old compressor before ordering.







