Direct OEM Genuine
Multi-Model Compatibility
Heavy-Duty Mining Grade
Serial Verification Available
Worldwide Shipping
Title
Caterpillar 387-4366 Core As-Radiator 3874366 | Fits 834K, 834H, 988H Excavators
⸻
Opening Paragraph
The Caterpillar 387-4366 Core As-Radiator 3874366 is a precision-engineered OEM replacement component designed for 834K, 834H, and 988H excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this core as-radiator 3874366 supports critical assemblies to ensure reliable performance and reduced downtime.
⸻
Common Applications
This Caterpillar 387-4366 core as-radiator 3874366 is essential for:
– Professional maintenance of CAT excavators.
– Direct replacement of worn structural and pivot components.
– Heavy-duty mining and earthmoving operations.
– Maintaining proper alignment in equipment linkage systems.
⸻
Fits The Following Models
– CAT 834K Excavator
– CAT 834H Excavator
– CAT 988H Excavator
– CAT 988K Excavator
(Verify fitment with your specific serial number.)
⸻
OEM Reference
Part Number: 387-4366
Brand: Caterpillar
Category: Mining
Machine Type: Hydraulic Excavator
Condition: OEM / Genuine-Style Replacement
⸻
Product Details and Availability
In Stock (if confirmed).
Global Shipping Available.
Serial Number Verification Support.
Request Fast Quote for Current Market Pricing.
Access full technical specifications and availability here:
https://allparts.expert/parts/mining/cat-834k-core-as-radiator-3874366-caterpillar-387-4366-mining/
Related Parts

category

category

category