What other parts I may need to replace when replacing the piston rings?

To replace the piston rings you need to disassemble the engine, so you also need to replace the cylinder gasket.

Hydraulic Piston Ring for WIBAU Concrete Pump (90mm) Angle Step

$22.47

In stock

Hydraulic Piston Ring for WIBAU Concrete Pump (90mm) Angle Step and related spare parts.

This listing is about a brand new after-market Hydraulic Piston RingTips for safely installing piston rings for the WIBAU Concrete Pump with bore size 90mm.

Our Piston Rings are branded and come directly from the top-quality and worldwide-known OEM Manufacturers.
Our Piston Rings are made from I-Cast Iron with high bending strength according to ISO STD 6621-3:1990 and DIN 70909.
Protect your valuable Engine. Use only Branded & High-Quality Parts. Enjoy thousands hours of safe and trouble-free operation!