Description
CUMMINS 85MM AIR BRAKE COMPRESSOR
PART NUMBER(S):
Fleet Products: 9111530207X (Remanufactured) | Replaces OE: Cummins: 4991799, 5272928, 5286970, 5301100, 5473184 | WABCO: 9111530200, 9111530207, 9111530210
DESCRIPTION:
Model: WABCO 85MM Air Brake Compressor
Vehicles: Cummins ISC engine platforms, commercial and heavy-duty truck applications
• Bore size: 85MM
• CFM output: 18.7
• Discharge port: M27 x 2.0 STOR
• Governor port: M10 x 1.0 STOR
• Water port: 3/4"-16 STOR
• Thru-drive: 11 tooth
• Cooling: Water-cooled
• Lubrication: Supplied from engine
• Drive type: Engine-driven
• Mounting: Standard flange
Applications: Built for Cummins engine configurations requiring a high-volume, water-cooled air compressor. Commonly used in heavy-duty trucks, highway tractors, semi-trucks, and commercial fleets where the listed WABCO compressor configuration, port sizes, and engine-supplied lubrication match the original compressor.
CROSS-REFERENCE(S):
1650792030, 3966522, 3969114, 4933780RX, 4936219RX, 4991797, 4991799, 5272928, 5286970, 5286971, 5301100, 5301100RX, 5301101, 5473184, 5473184RX, 701969AT, 9111530200, 9111530207, 9111530207X, 911153020R, 9111530040X, 9111535200X, 9111535207, 9111535207X, MD 9111530207X, ZZ9111530207X, S-21435
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Verify thru-drive tooth count before installation
✔ Ensure water and oil lines are clean and free of contamination before installation
✔ Follow OEM torque specifications and confirm mounting alignment
✔ Use thread locker and replace sealing washers during installation
✔ Inspect compressor mounting face for debris or corrosion before mounting
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
Warranty Information
