In-stock parts
Order by 2PM MST
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.
UnitedBuilt B80697MS Shaft Kit for M3ZRMS CCW mechanical seal pump. Manufactured in the USA of high-quality materials with precision machining. Di...
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UnitedBuilt Inline Control Valve, Air Operated, 3" Inline, Female NPT Find the internal repair kit here.
Ball hemisphere for OEM UnitedBuilt AV9030 legacy water truck valve.
The UnitedBuilt 3W15X-B460-00 3-way solenoid valve provides compact 12VDC electrical control with normally closed (NC), normally open (NO), and com...
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Diaphragm Spring, AV5293 & 3" Cla-Val 81665C For the 3" UnitedBuilt AV5293 & 3" Cla-Val 81665C
The UnitedBuilt S24168MS shaft key is the 1/4-inch x 1-inch replacement key used in the UnitedBuilt B80703MS clockwise hydraulic-drive shaft kit fo...
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The UnitedBuilt S23343MS packing-gland nut is a brass 3/8-16 hex nut for the M3ZRM rope-packing assembly. It is used with the packing-gland fastene...
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Spring 2410 Spray Head (SPRAYRSPG71A-3)
Valve spring for OEM UnitedBuilt AV9030 legacy water truck valve.
Solid Heavy Duty Angle 6-Point Mounting Brackets, 3/4" Grade 8 Hardware, Front Springs Welding and frame drilling required. Two tie down guides rec...
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Internal Diaphragm Assembly, No Spring, Spray Head Valve UnitedBuilt BC2403
UnitedBuilt Powerhead M3ZRM 4X3 Rope Packing CW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existing pu...
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The UnitedBuilt H04041MS grooved volute is a cast-iron replacement case for selected counterclockwise 4x3 M3ZRM and M3ZRMS pumps. It surrounds the ...
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The UnitedBuilt S23009MS external retaining ring is a stainless steel ring for a nominal 1-1/8-inch shaft size. It fits an external groove to provi...
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The UnitedBuilt M02153MS impeller is the clockwise (CW) cast iron replacement for the M3Z pump configurations below. Its precision-machined constru...
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Decal Caution, Drain Pump and Plumbing 6" x 12"
Spray Head Ball (Horizontal Seam) (SPRAYRBAL71A-3)
Decal, Non Potable Water, 3-1/2" x 3' 3-1/2"
UnitedBuilt Powerhead M3ZRMS 4X3 Mechanical Seal CW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existin...
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Front Spray Bar Bracket, Left Bend
Diaphragm, Heavy Duty Spray Head Valve BC2403, UnitedBuilt
The UnitedBuilt H04040MS grooved volute is the cast-iron pump case for selected clockwise 4x3 M3ZRM and M3ZRMS pumps. Its grooved connections and c...
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The UnitedBuilt S29218MS shaft thrust ring has a 1-3/16-inch inside diameter and 1-9/16-inch outside diameter. It serves the thrust-ring position i...
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