Komatsu Part PIN 2A8-70-13240

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Product Overview

The 2A8-70-13240 PIN is a genuine Komatsu OEM replacement pin from the 2A8 prefix series. Pins are the structural connectors at pivot points throughout your machine's linkage, cylinder mountings, and undercarriage systems — they carry concentrated loads through sheer while allowing the connected components to rotate or articulate relative to each other.

Part Number: 2A8-70-13240 Part Name: PIN Part Type: OEM Komatsu Replacement Pin Availability: In stock

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When to Replace

• Visible wear ridge or step on the pin surface at bushing contact zone
• Galling, scoring, or polished strips indicating case hardening wear-through
• Joint looseness detectable by hand during inspection
• Grease purges dark, thin, or gritty — wear debris contaminating the joint
• Pin is difficult to remove during disassembly — corrosion or deformation

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Installation

1. Confirm 2A8-70-13240 in your Komatsu catalog
2. Inspect new pin — check surface finish and dimensions
3. Check mating bushing — replace if any wear is visible
4. Clean the bore — old contaminated grease must be removed
5. Apply assembly grease to pin surface
6. Install using controlled force — press or puller preferred
7. Pump fresh grease after assembly and cycle the joint

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Request a Quote

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