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 replicated Flowserve®*, Worthington®*, and after-market 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 NOW OFFERS FINANCING!
Click here to explore low, fixed-rate term equipment financing options.
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4LR-11 PUMP OF THE DAY
4LR-11 SINGLE SUCTION; TWO STAGE PUMP FLOWSEWRVE WORTHINGTON THELCO CALL TODAY 303-761-7616 OR EMAIL DMONTOYA@THELCO.COM OR THELCO.PARTS@THELCO.COM
Worthington D814
3x2x8 Flowserve Worthington Pump Headed out the door Call 303-761-7617 for all your pump needs
Worthington D1012
Flowserve Worthington D1012 Heading out the door, Call THelco 3037617616 or Email Dmontoya@Thelco.com for all your pump/custom pump needs
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.