01643-31232 Washer Fits Komatsu Models

One New Aftermarket Replacement Washer for Komatsu Construction Equipment

This aftermarket replacement washer (part number 01643-31232) is an M12 flat washer used throughout Komatsu heavy equipment across multiple assemblies, including hydraulic oil tanks, main control valves, main piston pumps, solenoid valve circuits, cooling systems, and track adjustment assemblies. It is a high-frequency hardware item found in both excavators and wheel loaders across a wide range of Komatsu machine series.

Specifications

• Part Type: Flat Washer
• Thread/Bolt Size: M12
• Outer Diameter: 12mm
• Thickness: 3.2mm

Compatible Models

Komatsu Excavators: PC03, PC05, PC07, PC08, PC09, PC10, PC15, PC20, PC25, PC27, PC28, PC30, PC35, PC38, PC40, PC45, PC50, PC100, PC110, PC120, PC128, PC130, PC138, PC150, PC158, PC160, PC180, PC190, PC200, PC210, PC220, PC228, PC230, PC240, PC250, PC270, PC290, PC300, PC308, PC310, PC340, PC350, PC360, PC380, PC390, PC400, PC410, PC450, PC490, PC550, PC1000, PC1100, PC1250, PC1600, PC1800, PC2000, HB205, HB215 and additional PC-series models

Komatsu Wheel Loaders: WA20, WA30, WA40, WA50, WA65, WA70, WA80, WA90, WA100, WA115, WA120, WA150, WA180, WA200, WA250, WA270, WA300, WA320, WA350, WA380, WA400, WA420, WA430, WA450, WA470, WA480, WA500, WA600, WA700, WA800, WA900, WA1200 and related WA-series variants

Komatsu Wheel Dozers: WD500, WD600, WD900

Komatsu Forklifts and Other Komatsu Equipment: Various models requiring M12 hardware

Replaces Part Number(s):

01643-31232

New aftermarket replacement part - not remanufactured, not used.