API 7K Mud Pump Parts Gasket O-Ring Packing Product Description Lake Petro offers a wide range of gaskets and packing materials for usage in drilling pumps. Gaskets and packings made of polyurethane, rubber and combination of fabric and rubber. Lake Petro has very rich experience in supplying spare parts of mud pump to the worldwide Oil Drilling industry.We stock and sell a wide selection of mud pump fluid end expendables and spares parts. Mud pump parts for F series mud pump, For P series mud pump, For PZ series mud pump, For 3NB series mud pump. These parts include liners, pistons, valves & seats,piston rods, rod clamps, extension rods, all fluid end seals and gaskets, fluid cylinder modules and accessories, as well as power end components, such as crankshaft assemblies, gear sets, connecting rods, crosshead, and bearings.