Description
WABCO 4111415520X SINGLE CYLINDER AIR BRAKE COMPRESSOR – 75MM
PART NUMBER(S):
Fleet Products: 4111415520X (Remanufactured) | OE: WABCO 4111415520, S4111415520, DAF 1517931
DESCRIPTION:
Model: WABCO 4111415520 Single Cylinder Air Compressor
Vehicles: Kenworth, Mack, Peterbilt, Volvo, Mercedes-Benz, DAF (Heavy-Duty Trucks & Industrial Diesel Engines)
• Type: Single-cylinder air brake compressor
• Piston diameter: 75.0 mm
• Piston stroke: 36 mm
• Swept volume: 159 cm³
• Maximum operating pressure: 10.0 bar (145 psi)
• Maximum operating speed: 3000 RPM
• Lubrication supplied from engine oil system
• Crankshaft thread: M18 × 1.5
• Base-mounted compressor configuration
• Supplied with pulley 4111411304
• Calculated volume: 7.174 dm³
• Overall dimensions: 171 × 152 × 276 mm
Port Configuration:
• Air discharge / delivery port to air dryer or supply reservoir — M26 × 1.5
• Secondary air discharge / system connection — M26 × 1.5
• Unloader control port (governor signal line) — M10 × 1
• Coolant inlet port — M22 × 1.5
• Coolant outlet port — M22 × 1.5
• Auxiliary coolant connection — M22 × 1.5
Applications:
The WABCO 4111415520 air compressor supplies compressed air for heavy-duty air brake systems and auxiliary pneumatic circuits on commercial vehicles. Commonly installed on Kenworth, Peterbilt, Volvo, Mack, Mercedes-Benz, and DAF truck platforms, this 75 mm single-cylinder compressor delivers consistent air pressure for braking, suspension, and auxiliary air systems in demanding fleet and vocational applications.
CROSS-REFERENCE(S):
S4111415520, 6300-4111415520, S4111415520, S4111415520, WAB4111415520
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 pulley 4111411304 alignment and belt condition before installing the compressor.
✔ Verify coolant line routing to ports 8.2, 9.1, and 9.2 to maintain proper compressor cooling.
✔ Ensure the governor control line is connected correctly to port 8.1 for proper unloading operation.
✔ Prime the lubrication system and confirm engine oil supply before initial startup.
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
