Komatsu Heavy Equipment Valve Assembly 281-34-12300

Komatsu Heavy Equipment Valve Assembly 281-34-12300 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This valve Assembly 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, Wheel Loader, Dozer applications. Common machine models include: WA350, WA380, WA400, WA420, WA450, WA470, WA500, WA600, WA700, WA800, WA900, PW100, PW100N, PW100NS. Reported category/application areas: WHEEL LOADERS, EXCAVATORS. Reported serial ranges include: 10001-UP (FOR NORTH AMERICA), 10001-UP (OVERSEAS VERSION), 10001-UP, A45001-UP, A25001-UP, A30501-UP (FOR MALAYSIA, A20854-UP, A60001-UP. Related or analog part numbers from source data: 2813412340, 2813412330, 2813512300, 4233515430.

Part information

• Komatsu part number: 281-34-12300
• Alternate search number: 2813412300
• Product type: Valve Assembly
• Usage-report description: VALVE ASS'Y,CHECK, VALVE ASSY, CHECK, VALVE ASSEMBLY, CHECK, VALVE, CHECK (AT RH TREADLE VALVE), VALVE, CHECK - AT R.H. TREADLE VALVE

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 281-34-12300, rely on 19PARTS to help you Keep Ops Moving™.