Description
CUMMINS 85MM AIR BRAKE COMPRESSOR – ISX ENGINES
PART NUMBER(S):
Fleet Products: 9111535100X (Remanufactured) | Replaces OE: Cummins: 3104216RX, 3103413, 3681902, 3681904, 3101137, 4318216, 4952758, 3104216, 3680441, 5579049, 3103410 | WABCO: 9111535100, 9111535100X, 911153607, 9111536070 | Automann: 170.AC535100
DESCRIPTION:
Model: SS318 85MM Air Brake Compressor
Vehicles: Cummins ISX, ISB, QSB engine applications
• Bore size: 85 mm
• Airflow: 18.7 CFM @ 1250 RPM
• Mounting: Standard flange mount
• Cooling: Water-cooled head with air-cooled crankcase
• Thread type: STOR (Straight Thread O-Ring)
• Water port: M18 x 1.5 STOR
• Discharge port: M27 x 2.0 STOR
• Governor port: M10 x 1.0 STOR
• Head assembly: 9111539212AH
• Cylinders: Single-cylinder
• Includes installation gaskets
Applications: Designed for heavy-duty trucks, commercial haulers, and fleet vehicles running Cummins ISX, ISB, and QSB series engines. Provides compressed air for air brake systems and pneumatic accessories where SS318 compressor specifications, port configurations, and mounting dimensions match the original unit.
CROSS-REFERENCE(S):
3094852, 3101137RX, 3103406, 3103413RX, 3104215, 3503174, 4096986, 4295613, 4318216CUM, 4952758RX, 4962716, 5579049RX, P4318216, P431826, 13104216A, 1650792004, 165-079-2004, 2500030001, 2500-030-001, 2500 030 001, 701664AT, 940578, 9119050156, S21431, SS318, RF3509569, FRL42029146, 911153510, 9111535100BXR, 9111535107, 9111535107X, 9111535110, 9111536077, ECU9111535100X, E-CU9111535100X, HDX9111535100X, MBI9111535100X, ML9111535100X, MID9111535100X, R9559111535100X, U559111535100X, ZZ9111535100X, 5396-9111535100X, HB9111535100X, 767653311500, 767653312309, MX491602707
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:
✔ Always inspect or replace the discharge line from the compressor head
✔ Ensure all STOR threads are clean and properly torqued
✔ Use correct orientation for water and governor ports
✔ Confirm compatibility with Cummins ISX, ISB, and QSB engine platforms
✔ Core return required; replacement unit must match SS318 configuration
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
