In-stock parts
Order by 2PM MST
In-stock parts
Order by 2PM MST
UnitedBuilt offers a complete selection of water truck pump parts designed to keep your equipment operating reliably in demanding applications. Our inventory includes impellers, mechanical seals, packing kits, shaft kits, volutes, bearings, and other essential pump components used for maintenance, repair, and rebuilds.
Our UnitedBuilt pump parts are engineered for durability and consistent performance, providing a dependable solution for maintaining and extending the life of your equipment. Designed for compatibility with common water truck pump configurations, these components are built to perform in real-world conditions.
In addition to our UnitedBuilt lineup, we also stock genuine OEM pump parts from Berkeley and Franklin Electric, ensuring proper fit and performance for a wide range of pump systems.
Whether you’re replacing a worn component or rebuilding a complete pump, our parts are selected for reliability, compatibility, and long service life.
We work to keep our most in-demand pump parts readily available and offer fast shipping to help minimize downtime and keep your equipment running.
Hydraulic Coupler 7/8" Spline 13 Tooth, (Key Sold Separately) UnitedBuilt S30636MS
The UnitedBuilt S05126MS volute gasket is a replacement gasket for the case joint on 4x3 M3ZRM and M3ZRMS pumps. It is used with both the rope-pack...
View full details
The UnitedBuilt S14022MS rope packing set contains six pieces of 1/4 in. square braided Graphite/PTFE packing for the M3ZRM rope-seal arrangement. ...
View full detailsGet all the essentials you need with the UnitedBuilt Pump Accessories Bundle. This bundle includes the Rope Packing Set (6 Pieces) S14022 for B3ZRM...
View full details
The UnitedBuilt B82468MS split packing gland set is a cast-iron replacement gland for the M3ZRM 1-1/8 in. shaft application. It works with the rope...
View full detailsThe UnitedBuilt M3ZRMS mechanical seal kit brings together the mechanical seal, volute gasket, inner grease cap, and polyurethane water slinger for...
View full details
The UnitedBuilt S32690MS mechanical seal is a 1-1/8-inch Type C replacement sealing component for the M3ZRMS water pumps listed below. It serves th...
View full details
The UnitedBuilt S12260MS water slinger is a polyurethane replacement component for the M3ZRM rope-seal and M3ZRMS mechanical-seal pumps below. It o...
View full details
The UnitedBuilt M02181MS impeller is the counterclockwise (CCW) cast iron replacement for the M3Z pump configurations below. Its precision-machined...
View full details
UnitedBuilt B80696MS Shaft Kit for M3ZRM CCW rope packing pump. Manufactured in the USA of original Niagara LaSalle’s patented Stressproof® steel a...
View full details
The UnitedBuilt S23762MS packing-gland bolt is a square-head, 3/8-16 x 2-1/2 in. fastener for the M3ZRM rope-packing arrangement. It is used at the...
View full details
The UnitedBuilt S19033MS inner grease cap is a bearing-area service component for the M3ZRM and M3ZRMS pumps below. It helps keep grease at the bea...
View full details
UnitedBuilt B80697MS Shaft Kit for M3ZRMS CCW mechanical seal pump. Manufactured in the USA of high-quality materials with precision machining. Di...
View full details
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...
View full details
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...
View full details
The UnitedBuilt H04041MS grooved volute is a cast-iron replacement case for selected counterclockwise 4x3 M3ZRM and M3ZRMS pumps. It surrounds the ...
View full details
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...
View full details
The UnitedBuilt M02153MS impeller is the clockwise (CW) cast iron replacement for the M3Z pump configurations below. Its precision-machined constru...
View full details
Hydraulic Adapter Bracket SAEB for B3ZRM(S) Pumps, Cast Iron, Berkeley B07779 Bracket Only
The UnitedBuilt H04040MS grooved volute is the cast-iron pump case for selected clockwise 4x3 M3ZRM and M3ZRMS pumps. Its grooved connections and c...
View full details
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...
View full details
Retaining Ring, External, Steel 1-3/16" Shaft, Rotor Clip SH-118 External Rings fit into the groove of a shaft. The portion of the ring that protr...
View full details
The UnitedBuilt S39242MS shaft sleeve is a stainless steel replacement component for the M3ZRM rope-seal and M3ZRMS mechanical-seal pump assemblies...
View full details
UnitedBuilt B80698MS Shaft Kit for M3ZRM CW rope packing pump. Manufactured in the USA of original Niagara LaSalle’s patented Stressproof® steel an...
View full details
