6745711840 6745-71-1821 Fuel Pump for Komatsu PC300-8 PC360LC-10 PC390LC-10

6745-71-1840 Fuel Transfer Pump for Komatsu SAA6D114E Engine

The 6745-71-1840 fuel transfer pump is supplied as an aftermarket replacement fuel system part for Komatsu SAA6D114E and 6D114 diesel engine applications. It is used to help deliver fuel from the tank side toward the injection system and support stable low-pressure fuel supply during engine operation.

This product page focuses on the 6745-71-1840 / 6745711840 fuel transfer pump direction, with 6745-71-1821 / 6745711821 listed as the related cross reference for the same pump application. Before ordering, please confirm the old pump part number, engine model, machine model, voltage and pump appearance.

Application for Komatsu PC300-8 PC360LC-10 PC390LC-10

The 6745711840 fuel pump is commonly searched for Komatsu excavators and heavy equipment using the SAA6D114E engine. Common application searches include Komatsu PC300-8, PC360LC-10, PC390LC-10 and PC390LL-10. Because fuel pump specifications may vary by engine arrangement and machine serial number, the original pump label should be checked before purchase.

Fuel Transfer Pump Replacement Notes

A fuel transfer pump should be checked when the engine has weak fuel delivery, hard starting, unstable running, fuel starvation or low-pressure fuel supply issues. During replacement, inspect the fuel lines, sealing surfaces, filter condition, connector style, voltage label and old pump mounting position at the same time.

Order Confirmation

To confirm the correct 6745-71-1840 fuel transfer pump, please send the old pump part number, engine model, machine model, machine serial number, voltage label and clear photos of the original pump. Topvelsun can help check the fitment before quotation and shipment.

FAQ

Q1: What is 6745-71-1840 used for?

6745-71-1840 is a fuel transfer pump used for Komatsu SAA6D114E and 6D114 diesel engine fuel system applications. It helps supply fuel on the low-pressure side before the injection system.

Q2: Is 6745-71-1821 also available?

Yes. This page also covers 6745-71-1821 / 6745711821 fuel transfer pump applications. Please confirm the old pump part number, voltage and pump appearance before ordering.

Q3: Is this a fuel transfer pump or a fuel injection pump?

This product is a fuel transfer pump, also called a fuel feed pump or fuel pump. It should not be listed as a high-pressure fuel injection pump, common rail pump or injector pump.

Q4: What information should I provide before buying?

Please provide the old pump part number, engine model, machine model, machine serial number, voltage label and photos of the original pump. These details help confirm the correct replacement.