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The Caterpillar 9R8538 Plunger is a precision-engineered OEM replacement component designed for 426B, 428B, 436B, and 416B excavators operating in Backhoe Loader and heavy construction environments. Built for structural durability and exact fitment, this plunger supports critical assemblies to ensure reliable performance and reduced downtime.
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Common Applications
This Caterpillar 9R8538 plunger is essential for:
Professional maintenance of CAT excavators.
Direct replacement of worn structural and pivot components.
Heavy-duty Backhoe Loader and earthmoving operations.
Maintaining proper alignment in equipment linkage systems.
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Fits The Following Models
CAT 426B Excavator
CAT 428B Excavator
CAT 436B Excavator
CAT 416B Excavator
CAT 438B Excavator
(Verify fitment with your specific serial number.)
Product Details and Availability
In Stock (if confirmed).
Global Shipping Available.
Serial Number Verification Support.
Request Fast Quote for Current Market Pricing.