Description
WABCO 75MM COMPLETE CYLINDER HEAD ASSEMBLY – SS250 / CUMMINS APPLICATIONS
PART NUMBER(S):
Fleet Products: 9111549202AH | OE: WABCO 9111549202, Cummins 4089208, WAB 61W16CH1
DESCRIPTION:
Model: WABCO SS250 (75MM Bore) Single-Cylinder Air Brake Compressor Head
Vehicles: Cummins B-Series Engines, Mack SS318 Applications
• Bore Size: 75MM
• Water Port: 3/4" – 16 STOR
• Discharge Port: M27 – 2.0 STOR
• Governor Port: M10 – 1.0 STOR
• Includes valves, unloader assembly, torque-to-yield bolts, and gaskets
• Cooling Type: Water-cooled
• Application Flow: 18.7 CFM
Applications:
Is this compressor head compatible with your Cummins B-series or Mack truck? Yes—engineered for WABCO SS250 and SS318 compressors, this complete cylinder head assembly delivers OE-grade reliability for heavy-duty trucks and semi-trailers. Ideal for fleets needing a direct-fit solution with drop-in OEM performance.
CROSS-REFERENCE(S):
9111549202, 9111549202X, 9111545000X, 9111545020X, 3800822, 4089208, WAB61W16CH1, ZZ9111549202X, MID9111549202X, HDX9111549202X, 5396-9111549202X, 9111549202XM1DRMAN, Decatra D307.08.011
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✓ Always verify bore size (75MM) and port thread specifications before installation.
✓ Use only supplied torque-to-yield bolts; reusing old hardware may cause leaks or failure.
✓ Ensure water cooling ports are clear of debris to maintain proper compressor temperature.
✓ Replace gaskets during installation to prevent air or coolant leakage.
SOLD AS NEW
Brand new and ready to install, with OEM Grade Reliability
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
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Warranty Information