Water Truck Pumps & Parts | UnitedBuilt, Berkeley, & Franklin — Page 3 — UnitedBuilt Equipment Skip to content
Quality Water Truck Systems, Tanks & Parts Since 1947
Quality Water Truck Systems, Tanks & Parts Since 1947

Water Pumps & Parts

UnitedBuilt offers a complete selection of water truck pumps and pump replacement parts, including our own line of 4x3 cast iron centrifugal pumps designed for demanding dust suppression and fluid transfer applications. Engineered for durability and performance, our pumps are manufactured in the USA using domestic and global high-quality materials and built to strict quality standards.

Our UnitedBuilt pumps are available in both mechanical seal (M3ZRMS) and rope packing seal (M3ZRM) configurations, providing flexibility based on your maintenance preferences and operating conditions. Each model is designed as a direct replacement for Berkeley B3ZRM and B3ZRMS water truck pumps, ensuring easy integration and reliable performance.

In addition to complete pumps, we stock a full range of pump repair parts and components, including impellers, mechanical seals, packing kits, shaft kits, volutes, and related hardware. Whether you’re rebuilding a pump or replacing a single component, these parts are selected for reliability and compatibility in real-world applications.

We also stock and distribute genuine OEM water truck pumps from Berkeley and Franklin Electric, along with supporting components to keep your system operating efficiently.

We work to keep our most in-demand pumps and parts readily available and offer fast shipping to help minimize downtime and keep your equipment running. Whether you need a complete pump or replacement parts, you’ll find dependable solutions built for the job.

Water Pumps & Parts - UnitedBuilt Equipment
  • 24 in stock

    Retaining Ring, External, Black Phosphate, 1-1/8" Shaft 1-3/16, UnitedBuilt S23010MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $2.25
    $2.25 - $2.25
    Current price $2.25

    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
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $2.25
    $2.25 - $2.25
    Current price $2.25
  • 10 in stock

    Shaft Kit, Mechanical Seal, B3ZRMS CW LONG, Stressproof®, 1-1/8" x 1/4" Key, UnitedBuilt B80699MS-L

    UnitedBuilt
    Original price $270.65
    Original price $270.65 - Original price $270.65
    Original price $270.65
    Current price $270.00
    $270.00 - $270.00
    Current price $270.00

    UnitedBuilt B80699MS-L Shaft Kit designed for ATP B3ZRMS-style aftermarket clockwise (CW) rope packing pumps with a long shaft. Some aftermarket B3...

    View full details
    Original price $270.65
    Original price $270.65 - Original price $270.65
    Original price $270.65
    Current price $270.00
    $270.00 - $270.00
    Current price $270.00
    Save 0% Save %
  • 8 in stock

    Hydraulic Spline Coupler (Coupling) 1-1/4" Spline 14 Tooth, M10176

    UnitedBuilt Choice
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $215.00
    $215.00 - $215.00
    Current price $215.00

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $215.00
    $215.00 - $215.00
    Current price $215.00
  • 4 in stock

    Nut Berkeley Packing Gland B3J, 1/2-13 Hex Nut Brass, UnitedBuilt S23347

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3.39
    $3.39 - $3.39
    Current price $3.39

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3.39
    $3.39 - $3.39
    Current price $3.39
  • 1 in stock

    Water Truck Pump B4ERBMS, 5" Suction x 4" Discharge Flanged, Counter Clockwise (CCW), Mechanical Seal, Berkeley B73027

    Berkeley
    Original price $13,237.00
    Original price $13,237.00 - Original price $13,237.00
    Original price $13,237.00
    Current price $7,628.00
    $7,628.00 - $7,628.00
    Current price $7,628.00

    Water Pump B4ERBMS, 5" Suction x 4" Discharge Flanged, Counter Clockwise (CCW), Mechanical Seal, Berkeley B73027

    Original price $13,237.00
    Original price $13,237.00 - Original price $13,237.00
    Original price $13,237.00
    Current price $7,628.00
    $7,628.00 - $7,628.00
    Current price $7,628.00
    Save 42% Save %
  • 391 in stock

    Countersunk Plug, Hex Socket, 1/8" MNPT, Vibra Seal, Brass (3153X2)

    Mid-America
    Original price $0.94 - Original price $0.94
    Original price
    $0.94
    $0.94 - $0.94
    Current price $0.94

    Countersunk Plug, Hex Socket, 1/8" MNPT, Vibra Seal, Brass Brass C360 Vibra Seal Threads

    Original price $0.94 - Original price $0.94
    Original price
    $0.94
    $0.94 - $0.94
    Current price $0.94
  • 1236 in stock

    Countersunk Plug, Hex Socket, 1/4" MNPT, Vibra Seal, Brass 3153X4

    Mid-America
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1.61
    $1.61 - $1.61
    Current price $1.61

    Countersunk Plug, Hex Socket, 1/4" MNPT, Vibra Seal, Brass Brass C360 Vibra Seal Threads

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1.61
    $1.61 - $1.61
    Current price $1.61
  • 31 in stock

    Shaft Key 1/4" x 2" Long, UnitedBuilt S24255MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1.50
    $1.50 - $1.50
    Current price $1.50

    UnitedBuilt Shaft Key 1/4" X 2-1/8"

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1.50
    $1.50 - $1.50
    Current price $1.50
  • 22 in stock

    Ball Bearing, Double Row, 5306-C3, UnitedBuilt S13271MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $50.00
    $50.00 - $50.00
    Current price $50.00

    Ball Bearing Double Row, Outboard (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 $0.00
    Original price $0.00
    $50.00
    $50.00 - $50.00
    Current price $50.00
  • 39 in stock

    Lock Nut 7/8-9 RH, Stainless Steel, UnitedBuilt M10220

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $12.75
    $12.75 - $12.75
    Current price $12.75

    UnitedBuilt Impeller Lock Nut 7/8-9 RH, Stainless Steel CW (M3Z) 7/8-9 RH Stainless Steel Not sure if it fits? Call us at 602-253-7739 or send us...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $12.75
    $12.75 - $12.75
    Current price $12.75
  • 13 in stock

    Lock Nut 7/8-9 LH, Stainless Steel (PUMPBU36-189SS)

    UnitedBuilt
    Original price $43.88 - Original price $43.88
    Original price
    $43.88
    $43.88 - $43.88
    Current 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 details
    Original price $43.88 - Original price $43.88
    Original price
    $43.88
    $43.88 - $43.88
    Current price $43.88
  • 0 in stock. Available on backorder

    Water Pump, Model B3JRMBHS, 4" Suction x 3" Discharge, Groove Ends 5" x 3", Clockwise (CW), Hydraulic Drive SAE C 4-Bolt 1-1/4" x 14T, 13.5" Impeller, Mechanical Seal, ATP B73403GR

    ATP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,495.00
    $3,495.00 - $3,495.00
    Current price $3,495.00

    The Aftermarket ATP B3J-S Clockwise, Mechanical Seal pump is a high pressure, hydraulically driven, 4” x 3” (inlet is 4″ ID, 5″ OD) Grooved water p...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,495.00
    $3,495.00 - $3,495.00
    Current price $3,495.00
  • 7 in stock

    Straight Water Vent Valve, Hoffman 79, 1/2" x 3/4" 401488

    Hoffman
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $264.00
    $264.00 - $264.00
    Current price $264.00

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $264.00
    $264.00 - $264.00
    Current price $264.00
  • 0 in stock. Available on backorder

    Packing Rings (Set of 6) 2-3/4ID x 1/2T 2-3 Berkeley S16448

    Berkeley
    Original price $929.00
    Original price $929.00 - Original price $929.00
    Original price $929.00
    Current price $605.00
    $605.00 - $605.00
    Current price $605.00

    Packing Rings (Set of 6) 2-3/4ID x 1/2T 2-3 Berkeley S16448

    Original price $929.00
    Original price $929.00 - Original price $929.00
    Original price $929.00
    Current price $605.00
    $605.00 - $605.00
    Current price $605.00
    Save 35% Save %
  • 1 in stock

    Impeller B4ERBMS CCW (B73027), 10-7/16 DIA CUT CI 1-1/4, Berkeley L06020

    Berkeley
    Original price $3,584.00
    Original price $3,584.00 - Original price $3,584.00
    Original price $3,584.00
    Current price $2,350.00
    $2,350.00 - $2,350.00
    Current price $2,350.00

    Impeller B4ERBMS CCW (B73027), 10-7/16 DIA CUT CI 1-1/4, Berkeley L06020

    Original price $3,584.00
    Original price $3,584.00 - Original price $3,584.00
    Original price $3,584.00
    Current price $2,350.00
    $2,350.00 - $2,350.00
    Current price $2,350.00
    Save 34% Save %
  • 1 in stock

    Impeller B3ZQM_ CW 7/8-9U 9FUL, Berkeley M04275

    Berkeley
    Original price $2,459.00
    Original price $2,459.00 - Original price $2,459.00
    Original price $2,459.00
    Current price $1,400.00
    $1,400.00 - $1,400.00
    Current price $1,400.00

    Original price $2,459.00
    Original price $2,459.00 - Original price $2,459.00
    Original price $2,459.00
    Current price $1,400.00
    $1,400.00 - $1,400.00
    Current price $1,400.00
    Save 43% Save %
  • 0 in stock. Available on backorder

    Water Pump, Model B4JRMBH, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Hydraulic Drive SAE C 4-Bolt 1-1/4" x 14T, 13.5" Impeller, Rope Packing Seal, Berkeley B85479

    Berkeley
    Original price $15,075.00
    Original price $15,075.00 - Original price $15,075.00
    Original price $15,075.00
    Current price $7,380.00
    $7,380.00 - $7,380.00
    Current price $7,380.00

    Water Pump, Model B4JRMBH, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Hydraulic Drive SAE C 4-Bolt 1-1/4" x 14T, 13.5" Impeller, Rope Packi...

    View full details
    Original price $15,075.00
    Original price $15,075.00 - Original price $15,075.00
    Original price $15,075.00
    Current price $7,380.00
    $7,380.00 - $7,380.00
    Current price $7,380.00
    Save 51% Save %
  • 0 in stock. Available on backorder

    Water Truck Pump, Mechanical Seal, Clockwise (CW), 4x3 Flanged Volute, Potable NSF/ANSI 61, 316 Stainless Steel Volute, Impeller and Adapter, ATP 101-XA80-26

    ATP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $7,750.00
    $7,750.00 - $7,750.00
    Current price $7,750.00

    Clockwise Keyed Flanged Stainless Steel 4″ x 3″ Mech Seal Pump. Potable Stainless Steel 316 for volute, impeller and adaptor. Cast iron frame. 316...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $7,750.00
    $7,750.00 - $7,750.00
    Current price $7,750.00
  • 10 in stock

    Shaft Kit, Rope Packing, B3ZRM CW LONG, Stressproof® Steel, 1-1/8" x 1/4" Key, UnitedBuilt B80698MS-L

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $265.00
    $265.00 - $265.00
    Current price $265.00

    UnitedBuilt B80698MS-L Shaft Kit designed for ATP B3ZRM-style aftermarket clockwise (CW) rope packing pumps with a long shaft. Some aftermarket B3Z...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $265.00
    $265.00 - $265.00
    Current price $265.00
  • 1 in stock

    Water Truck Pump, Counter-Clockwise (CCW), 4" NPT Suction x 3" NPT Discharge, Rope Packing Seal, Cast Iron, 9" Impeller, B3ZRM, Berkeley B80303

    Berkeley
    Original price $7,078.00
    Original price $7,078.00 - Original price $7,078.00
    Original price $7,078.00
    Current price $3,540.00
    $3,540.00 - $3,540.00
    Current price $3,540.00

    Water Truck Pump, Counter-Clockwise (CCW), Rope Packing Seal, Cast Iron, 9" Impeller, B3ZRM, Berkeley B80303

    Original price $7,078.00
    Original price $7,078.00 - Original price $7,078.00
    Original price $7,078.00
    Current price $3,540.00
    $3,540.00 - $3,540.00
    Current price $3,540.00
    Save 50% Save %
  • 0 in stock. Available on backorder

    Water Truck Pump, Model B4JRMBH, 5" Suction x 4" Discharge Flanged, Counter-Clockwise (CCW), 13.5" Impeller, Rope Packing Seal, Berkeley B62323

    Berkeley
    Original price $14,908.00
    Original price $14,908.00 - Original price $14,908.00
    Original price $14,908.00
    Current price $7,300.00
    $7,300.00 - $7,300.00
    Current price $7,300.00

    Water Truck Pump, Model B4JRMBH, 5" Suction x 4" Discharge Flanged, Counter-Clockwise (CCW), 13.5" Impeller, Rope Packing Seal, Berkeley B62323

    Original price $14,908.00
    Original price $14,908.00 - Original price $14,908.00
    Original price $14,908.00
    Current price $7,300.00
    $7,300.00 - $7,300.00
    Current price $7,300.00
    Save 51% Save %
  • 1 in stock

    Water Truck Pump, Model B4JRMBH, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Keyed Shaft, 13.5" Impeller, Rope Packing Seal, Berkeley B62321

    Berkeley
    Original price $14,908.00
    Original price $14,908.00 - Original price $14,908.00
    Original price $14,908.00
    Current price $7,304.00
    $7,304.00 - $7,304.00
    Current price $7,304.00

    Water Truck Pump, Model B4JRMBH, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Keyed Shaft, 13.5" Impeller, Rope Packing Seal, Berkeley B62321

    Original price $14,908.00
    Original price $14,908.00 - Original price $14,908.00
    Original price $14,908.00
    Current price $7,304.00
    $7,304.00 - $7,304.00
    Current price $7,304.00
    Save 51% Save %
  • 5 in stock

    Hex Head Capscrew 3/8-16 X 3/4, Berkeley S26824

    Berkeley
    Original price $11.79
    Original price $11.79 - Original price $11.79
    Original price $11.79
    Current price $7.00
    $7.00 - $7.00
    Current price $7.00

    Original price $11.79
    Original price $11.79 - Original price $11.79
    Original price $11.79
    Current price $7.00
    $7.00 - $7.00
    Current price $7.00
    Save 41% Save %
  • Typically Ships in 2-3 Days if Not In Stock | 0 in stock. Available on backorder

    Water Truck Pump B3ZRM, 4" Suction x 3" Discharge FNPT, 9" Impeller, Clockwise (CW), Rope Packing Seal, Hydraulic Motor Direct Coupling Drive, Berkeley B80357

    Berkeley
    Original price $7,155.00
    Original price $7,155.00 - Original price $7,155.00
    Original price $7,155.00
    Current price $3,720.00
    $3,720.00 - $3,720.00
    Current price $3,720.00

    Berkeley B3ZRM model cast iron water truck pump with rope packing seal. Hydraulic Motor Direct Coupling Drive, 4" Suction x 3" Discharge FNPT with ...

    View full details
    Original price $7,155.00
    Original price $7,155.00 - Original price $7,155.00
    Original price $7,155.00
    Current price $3,720.00
    $3,720.00 - $3,720.00
    Current price $3,720.00
    Save 48% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare