Description
TWIN CYLINDER AIR COMPRESSOR – CUMMINS B SERIES / WABCO SS636
PART NUMBER(S):
Fleet Products: 9115150090X (Remanufactured) | OE: Cummins 5342750, 5342750RX, WABCO 9115150090
DESCRIPTION:
Model: WABCO SS636 Twin Cylinder
Vehicles: Cummins ISB/QSB 6.7L, 5.9L Engines (Various truck, bus, and vocational chassis)
• Type: Twin Cylinder
• Cooling: Water Cooled
• Operating Speed: 3000 rpm
• Max Operating Pressure: 10.0 bar
• Piston Diameter: 85.0 mm
• Piston Stroke: 56 mm
• Swept Volume: 636 cm³
• Lubrication: Supplied from Engine
• Mounting: Flange Mount
• Crankshaft Thread: M20 x 1.5
• Inlet Port Ø 25 mm
• Discharge Port : M27 x 2.0
• Unloader/Control Port: M10 x 1.0
• Cooling Port: Ø 10 mm
• Oil Supply/Return Ports : 3/4"-16 UNF-2B
• Temperature Range: -30°C to +90°C
• Size: 354 × 226 × 164 mm
• Weight: 47.375 lb (21.489 kg)
Applications:
Is this compressor compatible with your Cummins ISB or QSB-powered vehicle? Yes—engineered for 6.7L and 5.9L B-Series platforms, this SS636 twin-cylinder unit delivers steady OE-grade air supply for medium-duty trucks, buses, and vocational chassis. Expect drop-in OEM fitment and the air output required for brake, suspension, and auxiliary systems across a wide range of Cummins applications. This Compressor is Twin Cylinder version of 9111530147X (5286960, 9111530140, 9111530147, 5301082)
CROSS-REFERENCE(S):
5342750, 5342750RX, 5342750NX, 5342750PX, 1650792028, 4991968, 4991969, 5268437, 5268438, 5286962, 5286963, 5344319, 9115150090, 9115150090X, 9115150097, 707535AT, P124A082T, S4614OEM, 3103405, 3099666, 4972994, 67A344R
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:
✔ Prime lubrication passages before installation to prevent dry start-up wear.
✔ Flush and inspect cooling and air lines for debris or oil carryover before mounting the compressor.
✔ Confirm flange alignment and torque fasteners to OEM specifications to avoid premature bearing or shaft damage.
✔ After installation, run the engine to temperature and inspect for coolant, oil, and air leaks under load.
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
• Canadian-owned since 1985
• Trusted by fleets, mechanics, and B2B partners across North America
• Fast, Reliable Shipping Across North America
• Competitive pricing with Core Return Refunds
• Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
Warranty Information
