Komatsu PC350LC-8 Rear Crankshaft Seal 6745-21-4120

Description

Order Komatsu (rear) from HeavyUsedParts. Part number 6745-21-4120. Rear crankshaft seal for Komatsu PC350LC-8 excavator engine applications.

Product details

Quality and construction

Komatsu part 6745-21-4120 is built for reliable performance in the field. Helps retain engine oil and reduce leakage around the rear of the crankshaft. Our warehouse team inspects each unit before dispatch.

Applications and compatibility

Where this part is used

Suitable for maintenance, engine repair, and seal replacement work. Compatible models include PC350LC-8.

Specifications

About Komatsu 6745-21-4120 part

Request full specifications for 6745-21-4120 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 6745-21-4120 with your machine model and serial number. We ship internationally and can advise on lead times for OEM, aftermarket, and used stock.

Verify part number 6745-21-4120 against your machine specifications before ordering.

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 6745-21-4120? Our specialists can confirm compatibility with your machine serial and model year before you order.

We support mixed fleets with fast sourcing from OEM and aftermarket channels.

Typical applications include PC350LC-8. Send your model details for a fitment check.

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

Komatsu (rear) is available to order today — contact HeavyUsedParts for pricing and availability.