Komatsu 421-70-31950 Pin

Komatsu 421-70-31950 Aftermarket Pin

WQC Parts offers aftermarket Komatsu 421-70-31950 pin for customers who need a clear, dependable replacement option backed by organized machine-usage data.

Part Information

• Komatsu part number: 421-70-31950
• Alternate search number: 4217031950
• Product type: Pin
• Usage-report description: PIN, PIN, BOOM TO FRAME, PIN, BELL CRANK TO BOOM

Known Machine Usage

Our Komatsu usage data links this part to Excavators, Wheel Loaders applications.

Common machine models include: PC8000, WA450, WA470, WA480, WA450L.

Reported category/application areas: EXCAVATORS KMG, WHEEL LOADERS.

Reported serial ranges include: 12083, 66001-UP (ECOT3, FOR NORTH AMERICA), A36001-UP, A44001-UP, 70001-UP (OVERSEAS VERSION), 70001-UP, 85001-90215 (ECOT3), 85001-90215 (ECOT3, FOR EU).

Fitment Notes

Always confirm final fitment by checking the Komatsu part number, machine model, serial range, and arrangement before ordering. The same part number can appear across multiple models or serial ranges depending on the machine configuration.

Why Choose WQC Parts?

WQC Parts focuses on WQ Certified aftermarket Komatsu parts for heavy equipment owners, repair shops, and fleet operators who need reliable replacement parts, organized product data, and support for keeping machines working.