392-4586 Arm Cylinder Piston Seal Kit for Caterpillar 307D 307E Mini Excavators

392-4586 Arm Cylinder Piston Seal Kit for Caterpillar Equipment

Address hydraulic fluid leaks and restore reliable arm cylinder piston sealing performance with the WINSCHEN 392-4586 Seal Kit. Engineered for Caterpillar mini hydraulic excavator arm cylinder service, this aftermarket kit supports hydraulic cylinder repair and maintenance work.

Key Features

Direct Replacement: Manufactured to match OEM fitment requirements for Caterpillar part number 392-4586.
Arm Cylinder Service: Designed for piston sealing repair in the arm cylinder, helping restore hydraulic sealing performance and reduce oil leakage.
Durable Aftermarket Solution: Built with oil-resistant sealing materials for compact excavation and construction applications.
Cost-Effective Maintenance: A practical replacement option for reducing downtime during hydraulic cylinder rebuilding.

Compatible Equipment Models

Mini Hydraulic Excavators: 307D, 307E Caterpillar

Kit Information

This product is listed as an arm cylinder piston seal kit / seal kit for Caterpillar part number 392-4586. Please match the part number and cylinder configuration before purchasing.

Specifications

Part Number	392-4586 (3924586)
Part Type	Arm Cylinder Piston Seal Kit / Seal Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-392-4586
MOQ	1 SET
Delivery Time	1-3 business days

To ensure proper fitment, please verify your machine exact model and original hydraulic cylinder configuration with our support team prior to purchasing. We offer fast global shipping to keep your heavy machinery operating efficiently.

Related Caterpillar Seal Kit Categories

Browse more Caterpillar replacement parts or compare other hydraulic cylinder seal kits. For fitment confirmation, send the OEM part number, machine model through our inquiry form or WhatsApp.