421-33-21811 TB Type Oil Seal for Komatsu Wheel Loaders WA420 WA450 WA470 Front Wheel Brake

421-33-21811 TB Type Oil Seal – High-Quality Aftermarket Replacement for Komatsu Wheel Loaders

Protect your Komatsu wheel loader’s front wheel brake system with this premium aftermarket 421-33-21811 TB type oil seal. Engineered as a direct OEM replacement, it provides reliable sealing to prevent oil leaks, block contaminants, and maintain smooth braking performance in demanding loading conditions.

Key Features

• Prevents Costly Leaks: Keeps brake fluid contained and dirt out, reducing wear and expensive brake repairs on high-hour machines.
• Direct Fit Installation: Matches genuine Komatsu specs for quick, no-modification replacement – minimize downtime during routine maintenance.
• Built Tough for Heavy Duty Use: High-grade rubber resists abrasion, pressure, and harsh environments for longer service life.
• Cost-Effective Alternative: OEM-level sealing at aftermarket pricing – ideal for fleet owners and budget-conscious operations.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Equipment Models

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.

Related Komatsu Parts Categories

Browse more Komatsu replacement parts or compare other hydraulic seals. For fitment confirmation, send the OEM part number, machine model and serial number through our inquiry form or WhatsApp.