4063844 Fuel Injection Pump for Cum mins 6BT 6BTA 5.9L 105404-6080

Product Overview

The 4063844 fuel injection pump is a diesel fuel injection pump for Cum mins 6BT and 6BTA 5.9L engine applications. It is commonly cross-referenced with Zexel A type injection pump number 105404-6080 and is also used in construction machinery applications with Komatsu 6D102 / SAA6D102 diesel engines.

This diesel injection pump is commonly found in Komatsu excavator applications including PC200 and PC220 series machines. It is designed to deliver accurately metered diesel fuel to the engine injection system and can be supplied as a new aftermarket replacement.

Please confirm the original part number, pump identification plate and engine model before ordering.

Part Number:

4063844

Commonly referenced numbers:

• 105404-6080
• 4063844
• 4063845
• 101609-3750
• 101062-9270

The above numbers should be treated as application references rather than an automatic indication that every number is interchangeable. Please send the original pump number or photos for confirmation.

How to Confirm the Correct Injection Pump

To avoid ordering the wrong fuel injection pump, please send:

1. Original injection pump part number
2. Engine model
3. Engine serial number
4. Machine model
5. Photo of the original pump nameplate
6. Photos showing the pump mounting and connection points

Our team can check the part number and application before shipment.

Frequently Asked Questions

What is 4063844?

4063844 is a diesel fuel injection pump part number commonly associated with Cum mins 6BT / 6BTA 5.9L applications and Zexel A type injection pump systems.

What is the cross reference for 4063844?

105404-6080 is a commonly referenced Zexel number for the 4063844 injection pump application. Other numbers may appear in different application catalogs, so the original pump number should be checked before replacement.

What engines use 4063844?

The most commonly documented applications include Cum mins 6BT, 6BT5.9 and 6BTA5.9 diesel engines. Some catalogs also associate the pump with Komatsu 6D102 / SAA6D102 applications.

Does 4063844 fit Komatsu PC200?

4063844 is commonly listed for selected Komatsu PC200 applications, including PC200-6 and PC200-7, when equipped with the corresponding Cum mins / compatible fuel system. Always verify the original pump number.

Does 4063844 fit PC220?

It is also listed for selected Komatsu PC220 applications. Compatibility should be confirmed by the original injection pump number and engine configuration.