Komatsu Part SEAL 721-47-12021

—

Product Overview

The 721-47-12021 SEAL is a genuine Komatsu OEM replacement seal from the 721 prefix series. This seal prevents fluid leakage and contamination ingress at a specific interface in your machine's system.

Part Number: 721-47-12021 Part Name: SEAL Part Type: OEM Komatsu Replacement Seal Availability: In stock

—

When to Replace

• Fluid leaking at the sealed interface
• Seal material hard, cracked, or worn
• Cuts or nicks visible on the seal surface
• The component was disassembled for service

—

Installation

1. Confirm 721-47-12021 in your Komatsu catalog
2. Clean the sealing surfaces thoroughly
3. Lubricate before installation
4. Seat to the correct depth
5. Check for leaks after assembly

—

Request a Quote

Need the Komatsu 721-47-12021 SEAL? Contact us through the form or by phone, email, or WhatsApp. We respond within one business day.