Hydraulic swivel joint center joint seal repair kit for Develon Doosan Daewoo excavator DX140LC, DX160LC-3, DX255LC-3, DX300LC-5.

The center joint (swivel union) transfers hydraulic oil between upper revolving body and undercarriage. Replace old worn seals to fix hydraulic oil leakage and recover system pressure. Made of high-quality NBR and PU sealing materials, excellent wear resistance, high pressure resistant, long service life. 1:1 OEM dimension, direct replacement, no modification required, easy on-site installation for mining and construction machines.

✅ Part Number: 401107-01330 / 40110701330
✅ Application: Develon Doosan Daewoo Excavator DX140LC, DX160LC-3, DX255LC-3, DX300LC-5
✅ Product Type: Center Joint / Swivel Joint Seal Repair Kit
✅ Function: Stop swivel joint hydraulic leakage, maintain hydraulic pressure
✅ Feature: Wear-resistant, anti-oil-leakage, precise size, easy installation