OTTO Excavator Parts Xg808 4Jg1T Cooling Water Bypass Pipe 8972389940 897238-9940 8-97238994-0 For Isuzu Premium Isuzu 4Jg1T cooling water bypass pipe (8972389940) for OTTO Xg808. Precise fit, anti-corrosion & sturdy. Ample stock, fast dispatch—ideal for your client supply.