OEM 4374458 PLATE;THRUST HITACHI for ZX120-5B/4JG1 Manufacturers, Supplier

4374458 PLATE;THRUST HITACHI for ZX120-5B/4JG1

Compatible Machine Models:

Excavator less than 6 tons (Mini)
ZX30UR-2,ZX40UR-2,AX40UR-6B,ZX40UR-3,ZX40WM-3D,ZX30UR-5B,AX30UR-6B,ZX40UR-5B,ZX30UR-3

Excavator 6 to 9.9 tons
EX75UR-3,EX60-5(LC),EX70LCK-5,EX60BUN-5,EX80U,EX75UR-5,EX75US-5,ZX75US,ZX70,ZX80LCK,ZX75UR,ZX75US-A,ZX80SB,ZX70-3,ZX80LCK-3,ZX75US-3,ZX75UR-3,ZX85USB-3,ZX75USK-3,ZX70-HHE,ZX70-HCME,ZX80SB-HCME,ZX85US-HCME,ZX70-3-HCME,ZX85US-3,ZX85USB-3-HCME,ZX70-5G,ZX75US-5A,ZX75US-5N,ZX85US-5A,ZX85USB-5A,ZX85USB-5N,ZX70-5A,ZX75UR-5B,ZX75US-5B,ZX75USK-5B,ZX75USL-5B,ZX85US-6,ZX85USB-6,ZX85USB-7,ZX85US-7,ZX75US-7,ZX75USK-7

Excavator 10 to 14 tons
ZX120-5B,ZX120-6

Others
VR512-2

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product details

Description

Part Name	PLATE;THRUST
Part Number	4374458
Brand Name	HITACHI
Place of Origin	Japan
Delivery Time	1-3 work days
Packaging Type	Cartons

	Precision Axial Load Management – The Critical Component for Rotating Assembly Stability. The thrust plate manages axial loads and establishes proper end clearance within rotating assemblies—transmissions, final drives, hydraulic pumps, and front linkages. This genuine Hitachi plate is precision-machined to exact thickness, flatness, and surface finish specifications, ensuring shafts and gears maintain their designed axial position under varying load conditions. In front attachment applications, a reinforced resin thrust plate mounted on the bucket pin helps reduce wear and noise .
Superior Materials for High-Load Durability – Wear-Resistant Surfaces for Long-Term Reliability. Manufactured from premium materials such as hardened steel, bronze alloy, or reinforced resin—each selected for its specific application. Precision-ground parallel surfaces ensure even load distribution across the bearing interface, while accurately controlled thickness guarantees proper end play clearance. Available in multiple configurations with precise thickness options (1mm, 2mm) for clearance adjustment during assembly.		The Cost of Improper End-Play – Genuine Hitachi: Prevent Excessive Wear and Catastrophic Failure. An incorrectly sized or worn thrust plate results in excessive axial movement, improper bearing preload, and contact between rotating components—leading to accelerated wear, noise, vibration, and catastrophic failure. Aftermarket plates often suffer from inconsistent thickness or substandard materials. This genuine component meets all OEM specifications for material grade, dimensional accuracy, and surface finish—ensuring reliable axial control and extended component life.