700-80-64220 Back-Up Ring for Komatsu PC200 PC300 Excavator D65EX Dozer

700-80-64220 Back-Up Ring – Premium Aftermarket Solution for Komatsu Machinery

Safeguard your hydraulic systems against extrusion and high-pressure failures with the WINSCHEN 700-80-64220 Back-Up Ring. Engineered to match industry-leading standards, this premium aftermarket sealing component provides critical support to primary O-rings, ensuring reliable operation in your Komatsu excavators, dozers, and graders.

Key Features

Manufactured to precise OEM dimensions for a guaranteed fit across a wide range of Komatsu heavy equipment.
Constructed from high-performance PTFE (Teflon) composite materials for exceptional wear resistance and low friction.
Effectively prevents O-ring extrusion in high-pressure hydraulic cylinders and components.
Cost-effective and highly dependable aftermarket alternative to original parts for routine maintenance.
Designed to withstand extreme temperature fluctuations and harsh industrial hydraulic fluids.

Compatible Equipment Models

Excavators: PC200, PC210, PC220, PC300, PC400, PC12R, PC15MR, PC18MR

Crawler Dozers: D31EX, D37EX, D39EX, D51PX, D61EX, D65EX, D155A, D275A, D375A, D475A

Motor Graders: GD655

Specifications

Part Number	700-80-64220 (7008064220)
Part Type	Back-Up Ring / Teflon Sealing Ring
Application	Hydraulic Sealing
Brand	WINSCHEN
Country of Origin	China
SKU	KOM-700-80-64220
MOQ	1 PCS
Delivery Time	1-3 business days

To guarantee 100% fitment, please verify your machine’s. We proudly offer fast and reliable global shipping to keep your projects on schedule.

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