Product Description
PACCAR 85MM "CERTIFIED REMANUFACTURED" TWIN AIR BRAKE COMPRESSOR | FOR MX13 ENGINES
PART NUMBER(S):
Fleet Products: 9125181030X (Remanufactured) | OE: 9125181030
DESCRIPTION:
Model: WABCO Twin-Cylinder
Vehicles: PACCAR MX13 Trucks
• Mounting Type: Flange Mount
• Cooling Method: Water-cooled
• Lubrication: Engine-supplied
• Piston Diameter: 85 mm (3.35")
• Piston Stroke: 42 mm (1.65")
• Swept Volume: 476 cm³
• Maximum Operating Pressure: 12.5 bar (181.3 psi)
• Operating Speed: Up to 3000 RPM
• Cylinder Configuration: Twin-Cylinder
• Crankshaft Thread: M20 x 1.5
• Air Intake Port: M30 x 1.5
• Air Discharge Port: M27 x 2.0
• Oil Supply Port: M14 x 1.5
• Coolant Ports: M16 x 1.5 (x3)
• Unloader Control Port: M22 x 1.5
Applications: Engineered for PACCAR MX13 commercial engines in Class 8 trucks and semi-trailers. This compressor supports heavy-duty air brake system pressurization under demanding fleet and long-haul conditions.
CROSS-REFERENCE(S):
100MM, 1805490, 1805490PEX, 1977704, 1977704PRX, 2020644PEX, 2237398, 2237398PEX, 6300-912518108R, 702410AT, 9125181030, 9125181080, 9125181089, 912518108R, 9125181100, 9125181140, S912-518-103-7, S912-518-1080, S9125181037, S9125181080, S9125181080X, S9125181087, S9125181087X, S912518108R, S9125181100, WAB912518108R
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Ensure cooling system is flushed and clean before installing new compressor
✔ Use new gaskets and torque all flange bolts to OEM spec
✔ Verify oil delivery from engine lubrication system
✔ Check crankshaft thread compatibility (M20 x 1.5)
✔ Match all ports and air routing with the original compressor
✔ Confirm compatibility with PACCAR MX13 engine series
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com .
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