121-1605 Bucket Cylinder Seal Kit for Caterpillar 365B 365C 385C Excavators

Restore dependable hydraulic sealing performance with the WINSCHEN Bucket Cylinder Seal Kit. This aftermarket replacement is selected for Caterpillar bucket cylinder service on compatible excavators.

Key Features

Direct Replacement: Designed for the specified Caterpillar OEM part number.
Complete Service Solution: Includes the listed seal-related parts for the corresponding repair kit.
Reliable Aftermarket Quality: Built for dependable sealing performance in demanding service.

Compatible Equipment Models

Excavator: 365B 365B II 365C 385C

Seal Kit Related Parts

Part No	Qty	Parts name
5I-8589	1	RING
8J-1666	1	RING-BACKUP
121-1603	1	RING-BUCK UP
8M-4228	2	RING-WEAR
8T-1789	1	SEAL AS
121-1601	1	SEAL-BUFFER
8T-8380	1	SEAL-HEAD
121-1604	1	SEAL-LIP TYPE
8J-1665	1	SEAL-O-RING
121-1602	1	SEAL-U-CUP

Specifications

Part Number	121-1605 (1211605)
Part Type	Bucket Cylinder Seal Kit
Equipment Brand	Caterpillar
Application	Bucket Cylinder Repair
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-121-1605
MOQ	1 SET
Delivery Time	1-3 business days

Need to verify fitment for your specific Caterpillar machine? Contact our technical support team for expert assistance. We offer fast global shipping to keep your equipment operational.

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.