Komatsu Excavator Compressor 20Y-979-6121

Komatsu Excavator Compressor 20Y-979-6121 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This compressor 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: PC3000, PC1250, PC1250LC, PC1250SE, PC1250SP, PC130, PC160LC, PC180LC, PC180NLC, PC400, PC400LC, PC450, PC450LC, PC450LCHD. Reported category/application areas: EXCAVATORS KMG, EXCAVATORS. Reported serial ranges include: 46238, 46241, 46246, 46247, 46248, 20001-UP (FOR C.I.S. -30CENT. SPEC.), 20001-UP (OVERSEAS VERSION), 20001-UP.

Part information

• Komatsu part number: 20Y-979-6121
• Alternate search number: 20Y9796121
• Product type: Compressor
• Usage-report description: COMPRESSOR, COMPRESSOR ASS'Y, COMPRESSOR ASS'Y,(SEE FIG.Y1979-01A0), COMPRESSOR ASSEMBLY, COMPRESSOR ASS'Y,(SEE FIG. Y1979-01H0)

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 20Y-979-6121, rely on 19PARTS to help you Keep Ops Moving™.