Komatsu 21N-30-31221 Aftermarket Swing Bearing Hydraulic Seal

Description

Order Komatsu seal from HeavyUsedParts. Part number 21N-30-31221. Aftermarket sealing component for Komatsu PC1250-7 and PC1250-8 excavators.

Product details

Quality and construction

Komatsu part 21N-30-31221 is built for reliable performance in the field. Designed for swing bearing hydraulic systems and rotary joint or swivel applications. Our warehouse team inspects each unit before dispatch.

Applications and compatibility

Where this part is used

Helps maintain hydraulic integrity by reducing fluid leakage and preventing contaminant entry. Compatible models include PC1250-7.

Specifications

About Komatsu 21N-30-31221 part

Request full specifications for 21N-30-31221 when you contact us. We provide dimensions, weight, and cross-reference numbers where available from the manufacturer.

Ordering from HeavyUsedParts

Shipping and quotes

Get a quote for part 21N-30-31221 with your machine model and serial number. We ship internationally and can advise on lead times for OEM, aftermarket, and used stock.

Precision-engineered for compatibility with demanding large-excavator operating conditions.

Supplied in excellent condition as a replacement for Komatsu part number 21N-30-31221.

HeavyUsedParts supplies Komatsu components for construction, mining, and industrial fleets. Every unit is checked against manufacturer specifications before it leaves our warehouse.

Need part number 21N-30-31221? Our specialists can confirm compatibility with your machine serial and model year before you order.

This component is commonly used on Excavators machines. We also support mixed fleets with fast sourcing from OEM and aftermarket channels.

Typical applications include PC1250-7. Send your model details for a fitment check.

International shipping is available. Request a quote for pricing, lead time, and available condition grades.

Komatsu seal is available to order today — contact HeavyUsedParts for pricing and availability.