518-5138 Bucket Cylinder Seal Kit for Caterpillar 326F 329F 330F Excavators

518-5138 Bucket Cylinder Seal Kit for Caterpillar Equipment

Address hydraulic fluid leaks and restore proper bucket cylinder pressure with the WINSCHEN 518-5138 Seal Kit. Engineered to meet the rigorous operational standards of Caterpillar F-Series excavators, this aftermarket seal kit provides the essential elastomeric components required to fully rebuild and maintain your hydraulic cylinder assemblies.

Key Features

Direct Replacement: Manufactured to precise OEM dimensional tolerances, ensuring a seamless fit and straightforward installation as a direct replacement for Caterpillar part number 518-5138.
Industrial Durability: Constructed from fluid-resistant polyurethane and high-grade rubber compounds designed to withstand continuous internal friction, high pressure spikes, and environmental contaminants typical in earthmoving applications.
Cost-Effective Maintenance: A highly functional aftermarket alternative that meets original equipment specifications, providing a reliable solution for hydraulic cylinder rebuilding and minimizing routine equipment downtime.

Compatible Equipment Models

Excavators: 326F L, 326F LN, 329F L, 329F LN, 330F L, 330F LN Caterpillar

Seal Kit Related Parts

Part No	Qty	Parts name
165-9290	1	SEAL-LIP TYPE
188-4217	2	RING
188-4218	1	RING
095-1633	1	SEAL-O-RING
324-6438	1	SEAL-BUFFER
324-6439	1	SEAL-U-CUP
7Y-4669	1	RING-BACKUP
7Y-4673	1	RING-BACKUP
495-8212	1	SEAL AS

Specifications

Part Number	518-5138 (5185138)
Part Type	Bucket Cylinder Seal Kit / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-518-5138
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.