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Water Pumps & Parts
At our warehouse, you'll find a wide variety of high-quality water truck pumps and replacement parts to meet all your specifications. Whether you need to replace an existing pump, build a new water truck, or repair your old one, we have the parts you need, including impellers, shaft kits, and volutes.
Not sure which pump is right for you? Our team has over 75 years of industry experience and is here to help. Just give us a call or use the chat box to get in touch. If you have any questions or can't find the part you're looking for, don't hesitate to call us at 602-253-7739. We're here to help you find the right parts for your water trucks.

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Water Truck Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$1,336.00$1,336.00 - $1,336.00Current price $1,336.00| /UnitedBuilt Centrifugal Water Pump B68416MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,336.00$1,336.00 - $1,336.00Current price $1,336.00| / -
Water Truck Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$1,289.55$1,289.55 - $1,289.55Current price $1,289.55| /UnitedBuilt Centrifugal Water Pump B66895MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,289.55$1,289.55 - $1,289.55Current price $1,289.55| / -
0 in stock. Available on backorder
Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS
UnitedBuiltOriginal price $245.95 - Original price $245.95Original price $245.95$245.95$245.95 - $245.95Current price $245.95| /UnitedBuilt B80697MS Shaft Kit for M3ZRMS CCW mechanical seal pump. Manufactured in the USA of high-quality materials with precision machining. Di...
View full detailsOriginal price $245.95 - Original price $245.95Original price $245.95$245.95$245.95 - $245.95Current price $245.95| / -
11 in stock
Powerhead, Cast Iron, 4x3, Counter Clockwise (CCW), Rope Packing Seal, UnitedBuilt M3ZRM B85551MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$886.80$886.80 - $886.80Current price $886.80| /UnitedBuilt Powerhead M3ZRM 4X3 Rope Packing CCW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existing p...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$886.80$886.80 - $886.80Current price $886.80| / -
12 in stock
Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$400.00$400.00 - $400.00Current price $400.00| /UnitedBuilt Volute CCW Groove (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.
Original price $0.00 - Original price $0.00Original price $0.00$400.00$400.00 - $400.00Current price $400.00| / -
26 in stock
Powerhead, Cast Iron, 4x3, Counter Clockwise (CCW), Mechanical Seal, UnitedBuilt M3ZRMS B85549MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$933.00$933.00 - $933.00Current price $933.00| /UnitedBuilt Powerhead M3ZRMS 4X3 Mechanical Seal CCW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existi...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$933.00$933.00 - $933.00Current price $933.00| / -
0 in stock. Available on backorder
Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$270.00$270.00 - $270.00Current price $270.00| /UnitedBuilt threaded Counter-Clock Wise (CCW) cast iron impeller for M3Z pumps (or Berkeley B3Z) style pumps.
Original price $0.00 - Original price $0.00Original price $0.00$270.00$270.00 - $270.00Current price $270.00| / -
0 in stock. Available on backorder
Shaft Kit Rope Packing CCW UnitedBuilt B80696MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$240.30$240.30 - $240.30Current price $240.30| /UnitedBuilt B80696MS Shaft Kit for M3ZRM CCW rope packing pump. Manufactured in the USA of high-quality materials with precision machining. Direct...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$240.30$240.30 - $240.30Current price $240.30| / -
1 in stock
Impeller, Counter-Clockwise (CCW), XS-439, Franklin 305462036
FranklinOriginal price $345.00Original price $345.00 - Original price $345.00Original price $345.00Current price $264.00$264.00 - $264.00Current price $264.00| /Impeller, Counter-Clockwise (CCW), XS-439, Franklin 305462036
Original price $345.00Original price $345.00 - Original price $345.00Original price $345.00Current price $264.00$264.00 - $264.00Current price $264.00| /Save 23% Save % -
6 in stock
Water Truck Pump, Cast Iron, 4x3 Counter-Clockwise (CCW), Mechanical Seal, Groove Volute, Franklin XS439
FranklinOriginal price $6,946.00Original price $6,946.00 - Original price $6,946.00Original price $6,946.00Current price $2,865.00$2,865.00 - $2,865.00Current price $2,865.00| /Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...
View full detailsOriginal price $6,946.00Original price $6,946.00 - Original price $6,946.00Original price $6,946.00Current price $2,865.00$2,865.00 - $2,865.00Current price $2,865.00| /Save 59% Save % -
Typically Ships in 2-3 Week | 0 in stock. Available on backorder
Water Pump B4ERBMS, 5" Suction x 4" Discharge Flanged, Counter Clockwise (CCW), Mechanical Seal, Berkeley B73027
BerkeleyOriginal price $11,961.00Original price $11,961.00 - Original price $11,961.00Original price $11,961.00Current price $6,450.00$6,450.00 - $6,450.00Current price $6,450.00| /Water Pump B4ERBMS, 5" Suction x 4" Discharge Flanged, Counter Clockwise (CCW), Mechanical Seal, Berkeley B73027
Original price $11,961.00Original price $11,961.00 - Original price $11,961.00Original price $11,961.00Current price $6,450.00$6,450.00 - $6,450.00Current price $6,450.00| /Save 46% Save % -
22 in stock
Lock Nut 7/8-9 LH, Stainless Steel (PUMPBU36-189SS)
UnitedBuiltOriginal price $43.88 - Original price $43.88Original price$43.88$43.88 - $43.88Current price $43.88| /UnitedBuilt Impeller Lock Nut 7/8-9 LH, Stainless Steel CCW (M3Z) 7/8-9 LH Stainless Steel Not sure if it fits? Call us at 602-253-7739 or send u...
View full detailsOriginal price $43.88 - Original price $43.88Original price$43.88$43.88 - $43.88Current price $43.88| /