555-1815 Stick / Arm Cylinder Seal Kit for Caterpillar 336 340 349 352 Excavators

555-1815 Stick / Arm Cylinder Seal Kit for Caterpillar Equipment

Address hydraulic fluid leaks and restore proper stick cylinder pressure with the WINSCHEN 555-1815 Seal Kit. Engineered for Caterpillar 336, 340, 349 and 352 excavators, this aftermarket seal kit provides the essential sealing components required to rebuild and maintain stick / arm cylinder assemblies.

Key Features

Direct Replacement: Manufactured to specific OEM dimensional tolerances, ensuring a seamless fit and straightforward installation as a direct replacement for Caterpillar part number 555-1815.
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 reliable aftermarket solution for hydraulic cylinder rebuilding, helping reduce leakage, restore sealing performance, and minimize routine equipment downtime.

Compatible Equipment Models

Excavators: 336, 340, 349, 352 Caterpillar

Seal Kit Related Parts

Part No	Qty	Parts name
140-0240	1	SEAL-O-RING
191-5604	2	RING
191-5605	1	RING
191-5647	1	RING-BACKUP
191-5648	1	SEAL-LIP TYPE
231-6843	1	RING-SEAL
324-9484	1	SEAL-BUFFER
324-9486	1	SEAL-U-CUP
375-1732	2	RING-BACKUP
553-6507	1	SEAL AS

Specifications

Part Number	555-1815 (5551815)
Part Type	Stick / Arm Cylinder Seal Kit / Service Kit
Application	Hydraulic Stick / Arm Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-555-1815
MOQ	1 SET
Delivery Time	1-3 business days

To ensure proper fitment, please verify your machine model and original 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 and machine model through our inquiry form or WhatsApp.