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.
Latest News
Worthington D1011 3x2x8 Pump
Worthington D1011 3x2x8 Pump Today’s Thelco Pump of the Day features the Worthington D1011 3x2x8 pump. This configuration uses durable all iron construction and a traditional packing setup designed for dependable service in a wide range of industrial applications. The...
Thelco Pump of the Day Worthington D1011 4x3x6 All Iron Construction
Thelco Pump of the Day Worthington D1011 4x3x6 All Iron Construction Today we feature the Worthington D1011 4x3x6 all iron pump from the proven D1000 series platform. This configuration delivers dependable hydraulic performance, structural durability, and long service...
Thelco Pump of the Day Worthington D824 1.5x1x6 316SS Fitted Pump
Thelco Pump of the Day Worthington D824 1.5x1x6 316SS Fitted Pump Today we feature the Worthington D824 1.5x1x6 316SS fitted pump from the trusted D800 series. This compact centrifugal pump delivers corrosion resistance, washdown durability, and dependable hydraulic...
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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.


