Fluid end
Modules & Assemblies
Define the required replacement scope using the pump model, module dimensions, connections, pressure class and existing parts information.
Discuss a fluid-end moduleProducts · Drilling Modules
Replacement modules, fluid ends and power-end components selected for the installed pump and operating duty.
Equipment-led selection
OPI reviews the pump model, required pressure and flow, equipment connections and maintenance requirements before defining the assembly. Replacement and upgrade support covers current, legacy and discontinued equipment.
Discuss a moduleFluid end
Define the required replacement scope using the pump model, module dimensions, connections, pressure class and existing parts information.
Discuss a fluid-end modulePower end
Confirm the installed power end, operating speed, driver arrangement and component requirements before selecting replacement parts or an assembly.
Discuss power-end requirements
Associated wear products
Pistons, liners, valves and seats support the wider drilling system. Wear-product selection follows the pump, assembly and circulation requirements, with OP and XP choices where available.
Explore drilling expendablesContact OPI to discuss module drawings, materials, connection details and model-specific specification requirements. Compatibility and ratings must be confirmed for the selected assembly.
Explore published drilling-system power configurations and pressure classes.
View mud pumps ApplicationEquipment, modules and aftermarket support for circulation duty.
View application Replacement enquiryShare your pump model, operating duty and assembly details with OPI.
Discuss your requirement