A: Softening or swelling of the rubber body, external cracking along the bends, oil weeping near hose clamps, and loss of structural elasticity under manual pressure.
A: Clean the metal mating pipes thoroughly, slide the rubber joint into place without twisting it, and position the heavy-duty T-bolt clamps evenly over the sealing ribs to secure it.
A: Cross-verify the OEM part number 4067834. It is specifically tailored for the hydraulic tank return lines of EX100, EX120, ZX200, 120C, and 200CLC units.
A: Yes, it is manufactured with an advanced polymer blend that withstands continuous oil temperatures up to 100 degrees Celsius without turning brittle or tearing apart.
A: It offers a high-turnover maintenance product line that matches OEM performance exactly, reducing warranty replacements and retaining customer loyalty.
Q: What quality options are available?
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies





















