Description
9115150210X - WABCO 85MM TWIN CUMMINS AIR COMPRESSOR
PART NUMBER(S):
Fleet Products: 9115150210X (Remanufactured) | Replaces OE: Wabco 9115150210, 9115150210X, 9115150217 | Cummins 1650792041, 2864794, 2870020, 2870020NX, 2870021, 2870021NX, 2870021RX | Other 703631AT
DESCRIPTION:
Model: Wabco twin-cylinder air compressor, 636 cc, flange-mounted
Vehicles: Cummins ISX, ISX12 and QSX heavy-duty engine applications
• Bore / Piston Diameter: 85.0 mm
• Piston Stroke: 56 mm
• Swept Volume: 636 cm3
• Cooling: Water-cooled
• Lubrication: Engine-supplied lubrication
• Mounting: Flange-mounted
• Drive Reference: ISX with gear / QSX
• Teeth Count: 25
• Max Operating Pressure: 10.0 bar / 145 psi
• Operating Speed: 3000 rpm
• Crankshaft Thread: M20 x 1.5
• Air Inlet Port: Ø25 mm
• Air Discharge Port: M27 x 2.0
• Governor / Unloader Control Port: M10 x 1.0
• Engine Oil Supply Port: Ø8 mm
• Coolant / Water Port: M18 x 1.5
• Temperature Range: -30°C to +90°C
Applications: Built for Cummins ISX, ISX12 and QSX applications requiring a Wabco 85 mm twin-cylinder, 636 cc flange-mounted compressor. This remanufactured compressor is intended for heavy-duty air brake systems where OE-style mounting, gear-drive fitment, port configuration and pressure output must match the original unit. Confirm gear, flange, port layout and compressor part number before installation.
CROSS-REFERENCE(S):
9115150210X, 9115150210, 9115150217, 1650792041, 2864794, 2870020, 2870020NX, 2870021, 2870021NX, 2870021RX, 2870021RM, 703631AT
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:
✔ Confirm the original compressor is a Wabco 85 mm twin-cylinder, 636 cc flange-mounted unit before installation.
✔ Verify gear, flange mounting, crankshaft thread and all port thread locations match the removed compressor.
✔ Prime lubrication passages and confirm engine oil supply before startup.
✔ Confirm coolant connections are clean and unrestricted before returning the compressor to service.
✔ After installation, check for air, oil and coolant leaks and verify system air build-up performance.
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
