1542919C4 Hydraulic Seal Kit for Case Backhoe Loader 580K / 580SK / 580 Super L / 580 Super M
1542919C4 Hydraulic Seal Kit Product Overview
1542919C4 Hydraulic Seal Kit engineered for critical boom/dipper hydraulic circuits in Case backhoe loaders. Prevents dangerous hydraulic drift, cylinder bypass, and oil contamination. Validated for high-pressure/high-shock applications in Super Series models with Tier 4F engines.
1542919C4 Seal Kit Technical Specifications
| Compatible Models | 580K • 580SK • 580 Super L • 580 Super M |
| Covered Cylinders | Boom • Dipper • Stick • Bucket |
| Bore Size Range | 80mm (3.15″) – 130mm (5.12″) |
| Pressure Rating | 28 MPa (4,060 PSI) continuous │ 42 MPa peak |
| Temperature Range | -29°C to +121°C (-20°F to +250°F) |
| Seal Compounds | Purple Urethane (AU90) HNBR75 Hydrogenated Nitrile |
Seal Kit Contents
| High-Pressure Piston Seal | 28 MPa sealing (AU90 compound) |
| Rod Wiper w/ Steel Core | Removes contaminants >15μm |
| Double-Action Wear Ring | Glass-filled PTFE reduces stiction |
| Low-Temp O-Rings (HNBR75) | Retains elasticity @ -29°C |
| Extrusion-Resistant Backup | Prevents seal failure during shock loads |
| Gland Seal Kit | Comprehensive static seal solution |
Critical Performance Advantages
✅ Eliminates Boom Drift: Holds position within 0.75° after 24hrs
✅ Shock Load Protection: Withstands 42 MPa spikes during digging/ripping
✅ Contaminant Defense: Triple-barrier design exceeds ISO 4406:2017 18/16/13 standard
✅ Tier 4F Compatibility: AU90 compound resorts bio-hydraulic fluid degradation
Frequently Asked Questions (FAQ)
Q: Do you have any other loaders model repair seal kits ?
A: Yes. DJF As the professional hydraulic seal kits manufacturer, we produce all the loaders repair seal kits, standard sizes and also support customization. Please tell us the part number seal kit you want.
Q: I can’t find the model I want. Are all your seal repair kits here?
A: No. We have more than tens of thousands seal kits. Here only a small part of them is shown. We have stock of all the seal kits for construction machinery. Please contact us!
Contact Us
For more information or to request a quote, please contact us or email [email protected].
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