Komatsu Engine Pin Cotter 04050-12018

Komatsu Engine Pin Cotter 04050-12018 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 04050-12018 is listed as Pin Cotter. Search also by the no-dash alternate number 0405012018.

Engine book references

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

• ENGINES / S4D105-5K S/N 158423-UP / FUEL SYSTEM / FUEL CUT SOLENOID AND LINKAGE (2408)
• ENGINES / S4D105-5L S/N 158423-UP / FUEL SYSTEM / FUEL CUT SOLENOID AND LINKAGE (2408)

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.