Dual-Duro® Piston Enlarge Image For over 25 years the Dual-Duro® has been the piston of choice for drilling contractors world-wide. The one-piece bonded design combined with a dual-durometer polyurethane produces a piston with unmatched performance in high pressure and oil based mud applications.

Fail-Safe® Piston Enlarge Image Utilizing the same bonded construction design from our industry leading Dual-Duro® piston, the Fail-Safe® piston offers excellent performance in applications where a rubber piston is required.

Premium Zirconia Liners Enlarge Image Whether you are looking for the economy of our Grayloy®chrome alloy material or the extended run times available with the premium Zirconia liners, Southwest® Oilfield offers the highest quality liners for the most demanding drilling programs

Quick-Change Valve Covers Enlarge Image Addressing weaknesses in the competitor's valve cap arrangement, our Quick-Change Valve Covers offer enhanced sealing - reducing the chance for module washouts. Requiring no modification to the fluid end during installation, the Quick -Change Valve Cover System can save time and money on costly repairs.

2-Piece “L” Shaped Fluid Ends Enlarge Image Often imitated but never duplicated, Southwest® Oilfield's 2-Piece "L" shaped fluid ends have become the recognized standard. Manufactured from heat treated 4130 forgings and equipped with our Quick Change valve cover system, Southwest"Oilfield's "L" Shaped modules offer unmatched performance for any mud pump.

Full Open Valves and Seats Enlarge Image Our full open valves and seats provide maximum fluid flow. With a forged steel valve body and polyurethane inserts, this valve offers reliable performance at an economical cost.

Quick Change Hydraulic Liner Retention System Enlarge Image Increased safety and faster change outs is the hallmark of Southwest® Oilfield's Quick Change Hydraulic Liner Retention System. Our patented design eliminates the need for hammers and wrenches without compromising sealing or alignment of the liner.

Premium Washpipe Enlarge Image Produced with the same wear resistant surface as our Grayloy® rods, this Premium washpipe provides superior performance under the most demanding speeds and pressures requirements.

Mud Pump Gear and Pinion Sets Enlarge Image   Designed and manufactured in the USA, Southwest® Oilfield's mud pump gear and pinion sets offer exceptional value. Developed in accordance with AGMA standards, Southwest® gears and pinions meet or exceed OEM specifications. Enlarge Image

Replacement Power End Components Expanding on Southwest® Oilfield's reputation for Quality and Service, we are now pleased to offer replacement power end components for triplex mud pumps including: Crossheads Crosshead Guides Connecting Rods Bearing Houstings Bearings Enlarge Image Enlarge Image Enlarge Image

DISCLAIMER: Since 1946, Southwest Oilfield Products, Inc. ("SWOP") has been an independent manufacturer and supplier of quality replacement parts. SWOP is not a licensee to any original equipment manufacturer ("OEM"), and SWOP disclaims any affiliation with any OEM concerning the SWOP parts. SWOP's use of an OEM name or trademark is for identification purposes only and is not intended to cause or create confusion regarding the quality, source, or sponsorship of the SWOP parts. Any OEM referenced by SWOP is not intended to be and is not to be construed as an approval, endorsement, guarantee, promotion, recommendation, sponsorship, or warranty of the SWOP parts.