398-2332 Hydraulic Boom Cylinder Seal Kit for Caterpillar 320D 320D2

398-2332 Hydraulic Boom Cylinder Seal Kit – Premium Aftermarket Solution for Caterpillar Excavators

Restore maximum lifting capacity and entirely eliminate hydraulic fluid leaks with this professional-grade 398-2332 boom cylinder seal kit. Specifically engineered for Caterpillar’s legendary 20-ton class excavators, including the highly popular 320D and 320D2 models. The boom cylinder endures massive load-bearing stress during every heavy lift; manufactured by WINSCHEN utilizing premium elastomeric and polyurethane materials, these seals are built to withstand severe construction, trenching, and quarrying site conditions.

Key Features

Optimized Boom Performance: Precision-engineered U-cups and buffer seals prevent internal fluid bypass, ensuring your Cat excavator maintains consistent lifting force and eliminates boom drift under maximum payloads.
Direct OEM Compatibility: Guaranteed to seamlessly match Caterpillar factory specifications for the boom cylinder group on 320D and 320D2 models, facilitating a precise and straightforward installation.
Heavy-Duty Durability: Highly resistant to severe hydraulic pressure spikes, elevated operating temperatures, and environmental contaminants such as abrasive rock dust and moisture.
Comprehensive Overhaul Kit: Includes all essential service parts and O-rings required for a complete, leak-free boom cylinder rebuild.
Minimize Equipment Downtime: A dependable, cost-effective aftermarket alternative from WINSCHEN that reduces maintenance overhead while keeping your core earthmoving machinery producing.

Compatible Equipment Models

Excavators: 320D, 320D2 Application : Boom Cylinder Service Caterpillar

Seal Kit Related Parts

Part No	Qty	Parts name
240-6332	1	SEAL
398-0943	2	RING
398-0944	1	RING
398-0949	1	RING
398-0951	1	SEAL
398-0952	1	SEAL
398-0953	2	SEAL
398-0954	2	SEAL
398-0955	1	SEAL
398-0956	1	SEAL
398-0962	1	SEAL AS

Specifications

Part Number	398-2332 (3982332)
Part Type	Hydraulic Boom Cylinder Seal Kit / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-398-2332
MOQ	1 SET
Delivery Time	1-3 business days

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