Komatsu Engine O-Ring {Turbocharger Drain} 6731-51-8150

Komatsu Engine O-Ring {Turbocharger Drain} 6731-51-8150 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6731-51-8150 is listed as O-Ring {Turbocharger Drain}. Search also by the no-dash alternate number 6731518150.

Engine book references

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

• ENGINES / S6D102E-1 S/N .-UP / ENGINE / TURBOCHARGER PIPING (RIGID DRAIN LINE) (A1120-A2A1)
• ENGINES / S6D102E-1AB S/N 21180000-UP / ENGINE / TURBOCHARGER LUBRICATING(#21295204-) (A153T-01A1)
• ENGINES / S6D102E-1AC S/N 21180000-UP / ENGINE / TURBOCHARGER LUBRICATING(#21295204-) (A153T-01A1)
• ENGINES / S6D102E-1D-SN S/N 26200929-UP / ENGINE / TURBOCHARGER OIL PIPING(#26238406-) (A153T-01A2)
• ENGINES / S6D102E-1E S/N 26200929-UP / ENGINE / TURBOCHARGER OIL PIPING(#26238406-) (A153T-01A2)
• ENGINES / S6D102E-1E-SN S/N 26200929-UP / ENGINE / TURBOCHARGER OIL PIPING(#26238406-) (A153T-01A2)

This part appears in 87 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.