Products · Fluid Ends

Fluid ends for frac and well service pumps.

Explore frac and well service fluid ends, with OPI consumable support and downloadable specifications for released products.

Fluid ends by duty

Frac Fluid Ends

Three-cylinder frac fluid end for 2,250 BHP-class pumps with three plunger configurations.

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Five-cylinder frac fluid end for 2,500 BHP-class pumps with two plunger configurations.

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Premium five-cylinder fluid end for FMC WQ2700 and WQ3000 pump classes.

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Five-cylinder frac fluid end for 5,000 BHP-class pumps with three plunger configurations.

Fluid ends by duty

Well-service fluid end within the H Series support pathway.

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Well-service fluid-end enquiries for the FE-600. Contact OPI for product information.

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Well-service fluid end supporting legacy BJ Pacemaker pump applications.

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Well-service fluid-end enquiry and pump-interface verification.

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3-inch plunger fluid end engineered for Dowell PG pumps as a direct replacement for the TR-08-style fluid end.

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3¾-inch plunger fluid end engineered for Dowell PG pumps as a replacement for the TG-06 fluid end.

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5-inch plunger fluid end engineered for Dowell PG pumps as a replacement for the TH-06 fluid end.