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The Caterpillar 504-3111 Module Ar-Diesel Exhaust Fluid is a precision-engineered OEM replacement component designed for 16M3, 18M3, 16, and 18 excavators operating in Motor Grader and heavy construction environments. Built for structural durability and exact fitment, this module ar-diesel exhaust fluid supports critical assemblies to ensure reliable performance and reduced downtime.
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Common Applications
This Caterpillar 504-3111 module ar-diesel exhaust fluid is essential for:
Professional maintenance of CAT excavators.
Direct replacement of worn structural and pivot components.
Heavy-duty Motor Grader and earthmoving operations.
Maintaining proper alignment in equipment linkage systems.
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Fits The Following Models
CAT 16M3 Excavator
CAT 18M3 Excavator
CAT 16 Excavator
CAT 18 Excavator
(Verify fitment with your specific serial number.)
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OEM Reference
Part Number: 504-3111
Brand: Caterpillar
Category: Motor Grader
Machine Type: Hydraulic Excavator
Condition: OEM / Genuine-Style Replacement
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Product Details and Availability
In Stock (if confirmed).
Global Shipping Available.
Serial Number Verification Support.
Request Fast Quote for Current Market Pricing.