Get the parts when you need
We manufacture our parts in-house
dramatically reducing your wait


Thelco Parts and Fabrication
Thelco has a 65+ year history of providing quality Flowserve®*, Worthington®*, pump parts from our Englewood, Colorado warehouse. With a massive lineup of Flowserve®* & Worthington®* inventory and fabrication are done on-site, Thelco has over 4,500 parts ready to ship domestically and internationally within 24 hours. Efficient order fulfillment to any global location is crucial to our customers’ success. We prioritize maintaining an extensive inventory onsite to ensure availability and on-time delivery.
THELCO CAN SUPPLY MORE THAN PARTS
Thelco can also supply whole pumps and unitized pumps on a fabricated steel base. These can be supplied as motor-driven with coupling and coupling guards. We offer precision pump builds and consulting from our senior engineer. Call us and we can help select the pump for your application based on system and fluid conditions. In addition, we have a machining and repair facility on-site and would welcome the opportunity to be your repair center. Thelco is your go to for in stock Worthington Pumps.
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Thelco Pump of the Day – Worthington D814 3x1.5x6 All Iron Fitted The Worthington D814 3x1.5x6 all iron fitted pump is engineered to meet the high demands of industrial fluid movement. With Thelco's trusted craftsmanship behind every build, this compact yet powerful...
Thelco Pump of the Day: Worthington D520 1.25x1x5 – All Stainless Steel Fitted
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Thelco Pump of the Day: Worthington D824 3x2x8 – 25HP Standard Fitted Build
Thelco Pump of the Day: Worthington D824 3x2x8 – 25HP Standard Fitted Build At Thelco, we continue to deliver top-performing pumps that are ready for action. Today’s spotlight is on the Worthington D824 3x2x8, a robust all-iron pump fitted with a 25HP motor. Designed...
BROWSE OUR CATALOG
Comprehensive list of replacement parts for Worthington®* and Flowserve®* pumps manufactured by Thelco.

GR Pumps
GR Worthington gear pumps utilize a Herringbone gear design to eliminate side forces.

D-800 Series Pumps
The D-800 series of pumps is versatile and reliable. Available in mulitple configurations to meet site requirements.

LR Pumps
Worthington LR horizontal split case pumps covers a broad range of applications from 200 up to 10,000 gpm.