D Ring Kit for CAT Excavator Hydraulics That Replaces 2701535 and 4C4784 SAE J2643 Buna N 90 Duro NBR Seals Pack 80pc Oil Resistant Hose Fitting Seals Built for Tough Cat Work

D Ring Kit for Excavator Hydraulics - 80pc Buna N 90D Seals
✔️ 80pc oil-resistant Buna-N 90D seal kit for hydraulic lines

This cross-reference seal kit is designed to replace worn hydraulic seals on excavator systems, including main pump, swing motor, and control valve assemblies, with a precise fit for XT5/XT6 flange connections.

✅ MIL-Spec Buna-N 90D seals withstand -65°F to +250°F (-54°C to +121°C)
✅ Reproduces 4C4784, 2701535, and 5P8433 seals with ±0.003 in tolerance
✅ 80-piece kit: 45x High-Wear Seals, 22x Critical Joints, 13x Backups
✅ 3x UV resistance vs standard NBR per ASTM G154 Cycle 5
✅ Storage case with RFID-ready labels and IP54 dust/water protection
✅ Color-coded tags, 14x8 inch footprint, QR-code replenishment alerts

💡 What is an excavator hydraulic seal kit used for and why choose Buna-N 90D seals? This handy kit is designed to keep hydraulic lines sealed and functioning by replacing worn components in key areas. - Maintains system integrity and reduces leakage - Covers main pump, swing motor, and control valve seals - Supports quick, organized service with cross-reference parts

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