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Water Truck Parts: In Stock, Top Quality, Ship in 1 Day! Order by 2PM MST.
Water Truck Parts: In Stock, Top Quality, Ship in 1 Day! Order by 2PM MST.

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.

Water Pumps & Parts - UnitedBuilt Equipment

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  • Water Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS - UnitedBuilt Equipment
    Water Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS - UnitedBuilt Equipment

    Water Truck Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1,336.00
    $1,336.00 - $1,336.00
    $1,336.00

    UnitedBuilt Centrifugal Water Pump B68416MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...

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    $0.00 - $0.00
    $0.00
    $1,336.00
    $1,336.00 - $1,336.00
    $1,336.00
  • Seal Kit, Mechanical Seal, UnitedBuilt M3ZRMS (Gasket, Slinger, Grease Cap, and Mechanical Seal) - UnitedBuilt Equipment
    Seal Kit, Mechanical Seal, UnitedBuilt M3ZRMS (Gasket, Slinger, Grease Cap, and Mechanical Seal) - UnitedBuilt Equipment
    Save 5% Save %

    Seal Kit, Mechanical Seal, UnitedBuilt M3ZRMS (Gasket, Slinger, Grease Cap, and Mechanical Seal)

    UnitedBuilt
    $101.72
    $101.72 - $101.72
    $101.72
    $96.63
    $96.63 - $96.63
    $96.63
    In stock

    Upgrade and optimize your pump system with the ultimate bundle from UnitedBuilt. This comprehensive package includes a high-quality 1-1/8" Type C M...

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    $101.72
    $101.72 - $101.72
    $101.72
    $96.63
    $96.63 - $96.63
    $96.63
    Save 5% Save %
  • Volute Gasket, 4x3, UnitedBuilt M3Z S05126MS - UnitedBuilt Equipment

    Volute Gasket, 4x3, UnitedBuilt M3Z S05126MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $11.50
    $11.50 - $11.50
    $11.50
    In stock

    UnitedBuilt Volute Gasket 4 x 3 (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $11.50
    $11.50 - $11.50
    $11.50
  • Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS - UnitedBuilt Equipment

    Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $402.75
    $402.75 - $402.75
    $402.75
    In stock

    UnitedBuilt Volute CCW Groove (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $402.75
    $402.75 - $402.75
    $402.75
  • Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS - UnitedBuilt Equipment
    Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS - UnitedBuilt Equipment

    Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS

    UnitedBuilt
    $245.95 - $245.95
    $245.95
    $245.95
    $245.95 - $245.95
    $245.95
    In stock

    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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    $245.95 - $245.95
    $245.95
    $245.95
    $245.95 - $245.95
    $245.95
  • Water Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68417MS - UnitedBuilt Equipment
    Water Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68417MS - UnitedBuilt Equipment

    Water Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68417MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1,311.00
    $1,311.00 - $1,311.00
    $1,311.00

    UnitedBuilt Centrifugal Water Truck Pump B68417MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Clockwise (CW) 4x3 mec...

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    $0.00 - $0.00
    $0.00
    $1,311.00
    $1,311.00 - $1,311.00
    $1,311.00
  • Hydraulic Adapter Bracket & Coupling Aftermarket B07779 - UnitedBuilt Equipment
    Hydraulic Adapter Bracket & Coupling Aftermarket B07779 - UnitedBuilt Equipment
    Save 2% Save %

    Hydraulic Adapter Bracket & Coupling Aftermarket B07779

    UnitedBuilt Choice
    $622.69
    $622.69 - $622.69
    $622.69
    $610.24
    $610.24 - $610.24
    $610.24
    In stock

    Hydraulic Adapter Bracket & Coupling Aftermarket B07779

    $622.69
    $622.69 - $622.69
    $622.69
    $610.24
    $610.24 - $610.24
    $610.24
    Save 2% Save %
  • Seal Kit, Rope Packing, UnitedBuilt M3ZRM (Gasket, Slinger, Grease Cap, Rope Kit, Bolts, and Nuts) - UnitedBuilt Equipment
    Seal Kit, Rope Packing, UnitedBuilt M3ZRM (Gasket, Slinger, Grease Cap, Rope Kit, Bolts, and Nuts) - UnitedBuilt Equipment
    Save 5% Save %

    Seal Kit, Rope Packing, UnitedBuilt M3ZRM (Gasket, Slinger, Grease Cap, Rope Kit, Bolts, and Nuts)

    UnitedBuilt
    $78.20
    $78.20 - $78.20
    $78.20
    $74.29
    $74.29 - $74.29
    $74.29
    In stock

    Get all the essentials you need with the UnitedBuilt Pump Accessories Bundle. This bundle includes the Rope Packing Set (6 Pieces) S14022 for B3ZRM...

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    $78.20
    $78.20 - $78.20
    $78.20
    $74.29
    $74.29 - $74.29
    $74.29
    Save 5% Save %

  • Hydraulic Coupler 7/8" Spline 13 Tooth, (Key Sold Separately) UnitedBuilt S30636MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00
    In stock

    Hydraulic Coupler 7/8" Spline 13 Tooth, (Key Sold Separately) UnitedBuilt S30636MS

    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00
  • Packing Split Gland, Cast Iron, UnitedBuilt M3ZRM B82468MS - UnitedBuilt Equipment
    Packing Split Gland, Cast Iron, UnitedBuilt M3ZRM B82468MS - UnitedBuilt Equipment

    Packing Split Gland, Cast Iron, UnitedBuilt M3ZRM B82468MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $36.25
    $36.25 - $36.25
    $36.25
    In stock

    Split packing gland set made of cast iron for B3ZRM/M3ZRM pumps.

    $0.00 - $0.00
    $0.00
    $36.25
    $36.25 - $36.25
    $36.25
  • Powerhead, Cast Iron, 4x3, Counter Clockwise (CCW), Mechanical Seal, UnitedBuilt M3ZRMS B85549MS - UnitedBuilt Equipment
    Powerhead, Cast Iron, 4x3, Counter Clockwise (CCW), Mechanical Seal, UnitedBuilt M3ZRMS B85549MS - UnitedBuilt Equipment

    Powerhead, Cast Iron, 4x3, Counter Clockwise (CCW), Mechanical Seal, UnitedBuilt M3ZRMS B85549MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $933.00
    $933.00 - $933.00
    $933.00
    In stock

    UnitedBuilt Powerhead M3ZRMS 4X3 Mechanical Seal CCW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existi...

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    $0.00 - $0.00
    $0.00
    $933.00
    $933.00 - $933.00
    $933.00
  • Volute, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, UnitedBuilt M3Z H04040MS - UnitedBuilt Equipment

    Volute, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, UnitedBuilt M3Z H04040MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $369.00
    $369.00 - $369.00
    $369.00
    In stock

    UnitedBuilt Volute CW Groove (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $369.00
    $369.00 - $369.00
    $369.00
  • Retaining Ring, External, Stainless Steel, 1-1/8" Shaft, UnitedBuilt S23009MS - UnitedBuilt Equipment

    Retaining Ring, External, Stainless Steel, 1-1/8" Shaft, UnitedBuilt S23009MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $5.65
    $5.65 - $5.65
    $5.65
    In stock

    Retaining Ring, External, Stainless Steel 1-1/8" Shaft, Rotor Clip SH-112SS External Rings fit into the groove of a shaft. The portion of the ring ...

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    $0.00 - $0.00
    $0.00
    $5.65
    $5.65 - $5.65
    $5.65
  • Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS - UnitedBuilt Equipment
    Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS - UnitedBuilt Equipment

    Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00
    In stock

    UnitedBuilt threaded Counter-Clock Wise (CCW) cast iron impeller for M3Z pumps (or Berkeley B3Z) style pumps.

    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00
  • Water Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS - UnitedBuilt Equipment
    Water Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS - UnitedBuilt Equipment

    Water Truck Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1,289.55
    $1,289.55 - $1,289.55
    $1,289.55

    UnitedBuilt Centrifugal Water Pump B66895MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...

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    $0.00 - $0.00
    $0.00
    $1,289.55
    $1,289.55 - $1,289.55
    $1,289.55
  • Water Truck Pump, Clockwise (CW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM, 1-1/2" Shaft x 3/8" Key, ATP B86070 - UnitedBuilt Equipment
    Water Truck Pump, Clockwise (CW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM, 1-1/2" Shaft x 3/8" Key, ATP B86070 - UnitedBuilt Equipment

    Water Truck Pump, Clockwise (CW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM, 1-1/2" Shaft x 3/8" Key, ATP B86070

    ATP
    $0.00 - $0.00
    $0.00
    $1,194.60
    $1,194.60 - $1,194.60
    $1,194.60
    Low stock

    The ATP B3Z-HD is a heavy-duty centrifugal water pump with a threaded suction and discharge side. Its 11⁄2″ shaft and keyed impeller make it strong...

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    $0.00 - $0.00
    $0.00
    $1,194.60
    $1,194.60 - $1,194.60
    $1,194.60
  • Save 24% Save %

    Wear Plate FMIH40, Franklin 305455009

    Franklin
    $775.00
    $775.00 - $775.00
    $775.00
    $592.00
    $592.00 - $592.00
    $592.00
    Low stock

    $775.00
    $775.00 - $775.00
    $775.00
    $592.00
    $592.00 - $592.00
    $592.00
    Save 24% Save %
  • Save 21% Save %

    Retaining Ring, Mechanical Seal XS-439, Franklin 305462028

    Franklin
    $57.00
    $57.00 - $57.00
    $57.00
    $45.00
    $45.00 - $45.00
    $45.00
    Low stock

    $57.00
    $57.00 - $57.00
    $57.00
    $45.00
    $45.00 - $45.00
    $45.00
    Save 21% Save %
  • Mechanical Seal, 1-3/4 Type 21, Short BF1C1, Berkeley S32015 - UnitedBuilt Equipment
    Save 36% Save %

    Mechanical Seal, 1-3/4 Type 21, Short BF1C1, Berkeley S32015

    Berkeley
    $666.00
    $666.00 - $666.00
    $666.00
    $425.00
    $425.00 - $425.00
    $425.00
    Low stock

    Mechanical Seal, 1-3/4 Type 21, Short BF1C1, Berkeley S32015

    $666.00
    $666.00 - $666.00
    $666.00
    $425.00
    $425.00 - $425.00
    $425.00
    Save 36% Save %
  • Save 24% Save %

    Set Screw (2 Pack) FMIH-40 Fanklin, 305463075

    Franklin
    $21.27
    $21.27 - $21.27
    $21.27
    $16.25
    $16.25 - $16.25
    $16.25
    Low stock

    $21.27
    $21.27 - $21.27
    $21.27
    $16.25
    $16.25 - $16.25
    $16.25
    Save 24% Save %
  • Save 23% Save %

    Case Gasket FTT, Franklin 305454042

    Franklin
    $43.77
    $43.77 - $43.77
    $43.77
    $33.50
    $33.50 - $33.50
    $33.50
    Low stock

    $43.77
    $43.77 - $43.77
    $43.77
    $33.50
    $33.50 - $33.50
    $33.50
    Save 23% Save %
  • Save 23% Save %

    Lip Seal Drive Side 439M, Franklin 305463184

    Franklin
    $108.00
    $108.00 - $108.00
    $108.00
    $82.75
    $82.75 - $82.75
    $82.75
    Low stock

    $108.00
    $108.00 - $108.00
    $108.00
    $82.75
    $82.75 - $82.75
    $82.75
    Save 23% Save %
  • Water Pump B3ZRMS, 4" Suction x 3" Discharge FNPT, Clockwise (CW), Mechanical Seal, Hydraulic Drive SAE C 4-Bolt, 1-1/4" x 14T Splined Shaft, Berkeley B69875 - UnitedBuilt Equipment
    Save 42% Save %

    Water Pump B3ZRMS, 4" Suction x 3" Discharge FNPT, Clockwise (CW), Mechanical Seal, Hydraulic Drive SAE C 4-Bolt, 1-1/4" x 14T Splined Shaft, Berkeley B69875

    Berkeley
    $4,749.00
    $4,749.00 - $4,749.00
    $4,749.00
    $2,765.00
    $2,765.00 - $2,765.00
    $2,765.00
    Low stock

    Experience high performance with the Berkeley OEM B69875 Water Pump. Featuring the B3Z-S design, this pump has a Hydraulic Mount Bearing Frame and ...

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    $4,749.00
    $4,749.00 - $4,749.00
    $4,749.00
    $2,765.00
    $2,765.00 - $2,765.00
    $2,765.00
    Save 42% Save %
  • Save 24% Save %

    Hydraulic Adapter Mounting Bracket, Franklin 305455017

    Franklin
    $729.00
    $729.00 - $729.00
    $729.00
    $557.00
    $557.00 - $557.00
    $557.00
    Low stock

    $729.00
    $729.00 - $729.00
    $729.00
    $557.00
    $557.00 - $557.00
    $557.00
    Save 24% Save %

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