In-stock parts
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In-stock parts
Order by 2PM MST
UnitedBuilt offers a complete selection of water truck parts to keep your equipment running reliably in demanding applications. Our inventory includes water truck pumps, valves, spray heads, hose reels, air controls & fittings, PTOs and hydraulics, water cannons, nozzles, and other essential components used across a wide range of water truck systems.
We supply replacement and alternative parts for most major water truck brands, making it easy to find compatible components for your specific setup. Whether you’re performing routine maintenance or repairing critical equipment, our parts are selected for durability, performance, and real-world reliability.
We carry products from trusted manufacturers including UnitedBuilt, Berkeley, Franklin Electric, Victaulic, Elkhart Brass, Coxreels®, Netafim, Dixon, EATON Bezares, Cla-Val, Camozzi, Sealco, and Buyers Products, ensuring quality and compatibility across your system.
With over 75 years of experience, UnitedBuilt is a trusted source for water truck parts and support. You can search our site using a manufacturer part number, UnitedBuilt SKU, or product description to quickly locate what you need. If you don’t see the part you’re looking for, our team is available to help—call us at 602-253-7739 for assistance.
We work to keep our most in-demand parts readily available and offer fast shipping to help minimize downtime and keep your operation moving.
Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...
View full detailsFranklin FMIH-40 mechanical shaft seal, part number 305463044, is the replacement mechanical shaft seal for the Franklin FMIH-40 hydraulic-driven w...
View full detailsFranklin FMIH-40 impeller, part number 305455006, is the replacement impeller for the Franklin FMIH-40 hydraulic-driven water pump. The FMIH-40 use...
View full detailsReplacement volute case gasket — not a complete pump.The Franklin XS439 volute case gasket, part 305463138, is a service component for XS3x4-9 wate...
View full detailsReplacement CW impeller — not a complete pump.The Franklin XS439 CW impeller, part 305462008, is a service component for XS3x4-9 water truck pumps....
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Replacement mechanical shaft seal — not a complete pump.The Franklin XS439 mechanical shaft seal, part 305462029, is a service component for XS3x4-...
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Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...
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Franklin FMIH-40 seal cover, part number 305454039, is the replacement seal cover for the Franklin FMIH-40 hydraulic-driven water pump. It is a cas...
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One ball bearing per manufacturer kit; the FMIH-40 uses two.The Franklin 305463036 ball bearing is a replacement shaft-support bearing for the FMIH...
View full detailsCoupling only — not a hydraulic adapter kit or motor.The Franklin XS439 SAE B hydraulic shaft coupling, part 305462041, is a service component for ...
View full detailsFranklin FMIH-40 wear plate, part number 305455009, is the replacement wear plate for the Franklin FMIH-40 hydraulic-driven water pump. It is a ser...
View full detailsReplacement CCW impeller — not a complete pump.The Franklin XS439 CCW impeller, part 305462036, is a service component for XS3x4-9 water truck pump...
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Franklin XS439 impeller hex cap screw, part number 305462030, is the impeller-retaining hex cap screw for compatible Franklin XS439 hydraulic-drive...
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Franklin XS439 pump-side bearing, part number 305462025, supports the pump shaft at the pump-side bearing position in Franklin XS439 water-truck pu...
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Franklin FMIH-40 flapper valve, part number 305454045, is the neoprene flapper valve for the Franklin FMIH-40 hydraulic-driven water pump. It is th...
View full detailsReplacement shaft wear sleeve — not a complete pump.The Franklin XS439 shaft wear sleeve, part 305462022, is a service component for XS3x4-9 water ...
View full detailsFranklin FMIH-40 bottom check-valve weight, part number 305454025, is the bottom check-valve weight for the Franklin FMIH-40 hydraulic-driven water...
View full detailsFranklin FMIH-40 top check-valve weight, part number 305454023, is the top check-valve weight for the Franklin FMIH-40 hydraulic-driven water pump....
View full detailsReplacement CCW grooved volute case — not a complete pump.The Franklin XS439 CCW grooved volute case, part 305462035, is a service component for XS...
View full detailsShaft Ftt Franklin (PUMPW305454015)
