Komatsu Engine Unloader Valve A 6162-83-6911

Komatsu Engine Unloader Valve A 6162-83-6911 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6162-83-6911 is listed as Unloader Valve A. Search also by the no-dash alternate number 6162836911.

Engine book references

This part appears in Komatsu engine parts book paths such as:

• ENGINES / S6D140-1A S/N 10001-UP / ACCESSORY / AIR COMPRESSOR RELIEF VALVE(#20519-) (0704)
• ENGINES / S6D140-1A-F S/N 10001-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE (EXCEPT JAPAN C SPEC.)(#20520-) (A7010-C4B8)
• ENGINES / S6D140-1A-F S/N 10001-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE (EXTREME COLD TERRAIN SPEC.)(#20519-) (A7010-C4B9)
• ENGINES / S6D140-1A-F S/N 10001-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE(#20519-20519) (A7010-C4A7A)
• ENGINES / S6D140-1A-F S/N 10001-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE(#20520-) (A7010-C4B7)
• ENGINES / S6D140-1G-F S/N 10001-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE (AIR COMPRESSOR CLEANING SPEC.)(#26732-) (A7010-C4C7)

This part appears in 75 Komatsu engine book paths in our reference data.

Verification note

Always confirm final fitment by engine model, serial range, diagram callout, and part number before ordering. Hub references are provided to help buyers find the right engine section and related parts faster.

Keep Ops Moving

19PARTS organizes Komatsu engine parts around searchable engine-model hubs so rebuild shops, equipment owners, and fleet teams can identify parts and keep repairs moving.