Komatsu Excavator Hydraulic Oil Temp Sensor 7861-99-3400

Komatsu Excavator Hydraulic Oil Temp Sensor 7861-99-3400 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This hydraulic Oil Temp Sensor is manufactured in Italy in an ISO-certified facility with more than 50 years of production experience and is backed by our Keep Ops Moving™ commitment.

Why buyers choose the 19PARTS KOM line

• Manufactured in Italy for heavy-equipment applications
• Produced in an ISO-certified facility with more than 50 years of manufacturing experience
• Built for dependable performance in Komatsu assemblies
• Supported by 19PARTS and our Keep Ops Moving™ commitment

Fitment hint from source data

Source usage data links this part to Excavator, Dozer applications. Common machine models include: D375A, D475A, PC1000, PC1000LC, PC1000SE, PC1000SP, PC1600, PC1600SP, PC650, PC650LC, PC650SE. Reported category/application areas: BULLDOZERS, EXCAVATORS. Reported serial ranges include: 15001-UP, 10001-UP, 10501-UP, A15001-UP.

Part information

• Komatsu part number: 7861-99-3400
• Alternate search number: 7861993400
• Product type: Hydraulic Oil Temp Sensor
• Usage-report description: SENSOR,OIL TEMPERATURE, SENSOR,HYDRAULIC OIL TEMPERATURE, SENSOR,HYDRAULIC OIL TEMP (HIGH), SENSOR,HYDRAULIC OIL TEMP. (HIGH), SENSOR, HYDRAULIC OIL TEMP. - HIGH

Fitment and verification

Use the model-specific hubs and diagram callouts on our site to verify the correct Komatsu part number, callout location, and serial-range fitment before ordering. The hubs provide the machine-specific authority, while this product page focuses on quality, sourcing, and buying confidence.

Brand and quality

The 19PARTS KOM line is built around practical uptime: quality-focused Komatsu replacement parts, transparent identification, and support for customers who need to keep machines working. For part number 7861-99-3400, rely on 19PARTS to help you Keep Ops Moving™.