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Quality Water Truck Systems, Tanks & Parts Since 1947
Quality Water Truck Systems, Tanks & Parts Since 1947

Water Pump Parts

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.

Water Pump Parts - UnitedBuilt Equipment

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  • image-coming-soon
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    0 in stock. Available on backorder

    Shaft Kit Replacement, B_Zq 1-3/8-10T 3 Ext, Berkeley B71879

    Berkeley
    $3,449.00
    $3,449.00 - $3,449.00
    $3,449.00
    $2,235.00
    $2,235.00 - $2,235.00
    $2,235.00

    Shaft Kit Replacement, B_Zq 1-3/8-10T 3 Ext, Berkeley B71879

    $3,449.00
    $3,449.00 - $3,449.00
    $3,449.00
    $2,235.00
    $2,235.00 - $2,235.00
    $2,235.00
    Save 35% Save %
  • image-coming-soon
    Save 31% Save %
    0 in stock. Available on backorder

    Shaft, Pump B_Zq 1-3/8-10T 3Ext Sp Stl, Berkeley M04154

    Berkeley
    $2,834.00
    $2,834.00 - $2,834.00
    $2,834.00
    $1,950.00
    $1,950.00 - $1,950.00
    $1,950.00

    Shaft, Pump B_Zq 1-3/8-10T 3Ext Sp Stl, Berkeley M04154

    $2,834.00
    $2,834.00 - $2,834.00
    $2,834.00
    $1,950.00
    $1,950.00 - $1,950.00
    $1,950.00
    Save 31% Save %
  • image-coming-soon
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    0 in stock. Available on backorder

    Volute B4E CW, 5" x 4" Flanged Ends, Berkeley H01939

    Berkeley
    $7,906.00
    $7,906.00 - $7,906.00
    $7,906.00
    $5,500.00
    $5,500.00 - $5,500.00
    $5,500.00

    Volute B4E CW, 5" x 4" Flanged Ends, Berkeley H01939

    $7,906.00
    $7,906.00 - $7,906.00
    $7,906.00
    $5,500.00
    $5,500.00 - $5,500.00
    $5,500.00
    Save 30% Save %
  • image-coming-soon
    Save 42% Save %
    0 in stock. Available on backorder

    Volute B4E CCW, 5" x 4" Flanged Ends, Berkeley H01940

    Berkeley
    $3,988.00
    $3,988.00 - $3,988.00
    $3,988.00
    $2,300.00
    $2,300.00 - $2,300.00
    $2,300.00

    Volute B4E CCW, 5" x 4" Flanged Ends, Berkeley H01940

    $3,988.00
    $3,988.00 - $3,988.00
    $3,988.00
    $2,300.00
    $2,300.00 - $2,300.00
    $2,300.00
    Save 42% Save %
  • image-coming-soon
    Save 32% Save %
    0 in stock. Available on backorder

    Shaft Kit, B_JRMB CW (Clockwise) Rotation, Berkeley B07596

    Berkeley
    $4,739.00
    $4,739.00 - $4,739.00
    $4,739.00
    $3,200.00
    $3,200.00 - $3,200.00
    $3,200.00

    Shaft Kit, B_JRMB CW (Clockwise) Rotation, Berkeley B07596

    $4,739.00
    $4,739.00 - $4,739.00
    $4,739.00
    $3,200.00
    $3,200.00 - $3,200.00
    $3,200.00
    Save 32% Save %
  • image-coming-soon
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    2 in stock

    Shaft Kit, B_JRMB CCW (Counter-Clockwise) Rotation, Berkeley B07597

    Berkeley
    $4,739.00
    $4,739.00 - $4,739.00
    $4,739.00
    $3,200.00
    $3,200.00 - $3,200.00
    $3,200.00

    Shaft Kit, B_JRMB CCW (Counter-Clockwise) Rotation, Berkeley B07597

    $4,739.00
    $4,739.00 - $4,739.00
    $4,739.00
    $3,200.00
    $3,200.00 - $3,200.00
    $3,200.00
    Save 32% Save %
  • O - ring 2 - 147, Buna, 2 - 11/16 ID x 2 - 7/8 OD x 3/32, Berkeley S26471 - UnitedBuilt Equipment
    Save 57% Save %
    100 in stock

    O-ring 2-147, Buna, 2-11/16 ID x 2-7/8 OD x 3/32, Berkeley S26471

    Berkeley
    $23.31
    $23.31 - $23.31
    $23.31
    $10.00
    $10.00 - $10.00
    $10.00

    $23.31
    $23.31 - $23.31
    $23.31
    $10.00
    $10.00 - $10.00
    $10.00
    Save 57% Save %
  • Impeller B4ERBMS (B73023) CW, 10 - 7/16 DIA CUT CI 1 - 1/4, Berkeley L06015 - UnitedBuilt Equipment
    Save 34% Save %
    2 in stock

    Impeller B4ERBMS (B73023) CW, 10-7/16 DIA CUT CI 1-1/4, Berkeley L06015

    Berkeley
    $3,584.00
    $3,584.00 - $3,584.00
    $3,584.00
    $2,350.00
    $2,350.00 - $2,350.00
    $2,350.00

    $3,584.00
    $3,584.00 - $3,584.00
    $3,584.00
    $2,350.00
    $2,350.00 - $2,350.00
    $2,350.00
    Save 34% Save %
  • Packing Ring 1 - 3/4ID X 2 - 1/2OD, Metallic, Berkeley S11092 - UnitedBuilt Equipment
    Save 41% Save %
    2 in stock

    Packing Ring 1-3/4ID X 2-1/2OD, Metallic, Berkeley S11092

    Berkeley
    $94.00
    $94.00 - $94.00
    $94.00
    $55.00
    $55.00 - $55.00
    $55.00

    $94.00
    $94.00 - $94.00
    $94.00
    $55.00
    $55.00 - $55.00
    $55.00
    Save 41% Save %
  • Balance Ring, Altered for Seal, Berkeley S13591 - UnitedBuilt Equipment
    Save 31% Save %
    0 in stock. Available on backorder

    Balance Ring, Altered for Seal, Berkeley S13591

    Berkeley
    $1,166.00
    $1,166.00 - $1,166.00
    $1,166.00
    $800.00
    $800.00 - $800.00
    $800.00

    $1,166.00
    $1,166.00 - $1,166.00
    $1,166.00
    $800.00
    $800.00 - $800.00
    $800.00
    Save 31% Save %
  • Wear Ring 5 - 3/4" ID 1004 VPT Bronze, M301908, Berkeley S02894 - UnitedBuilt Equipment
    Save 31% Save %
    1 in stock

    Wear Ring 5-3/4" ID 1004 VPT Bronze, M301908, Berkeley S02894

    Berkeley
    $304.00
    $304.00 - $304.00
    $304.00
    $210.00
    $210.00 - $210.00
    $210.00

    $304.00
    $304.00 - $304.00
    $304.00
    $210.00
    $210.00 - $210.00
    $210.00
    Save 31% Save %
  • Thrust Ring, 1 - 31/32 ID X 2 - 3/8, B4J, Berkeley S06519 - UnitedBuilt Equipment
    Save 31% Save %
    2 in stock

    Thrust Ring, 1-31/32 ID X 2-3/8, B4J, Berkeley S06519

    Berkeley
    $124.00
    $124.00 - $124.00
    $124.00
    $85.00
    $85.00 - $85.00
    $85.00

    $124.00
    $124.00 - $124.00
    $124.00
    $85.00
    $85.00 - $85.00
    $85.00
    Save 31% Save %
  • Wear Ring, 5" ID x 5 - 1/2" OD, Berkeley S32745 - UnitedBuilt Equipment
    Save 40% Save %
    2 in stock

    Wear Ring, 5" ID x 5-1/2" OD, Berkeley S32745

    Berkeley
    $468.00
    $468.00 - $468.00
    $468.00
    $280.00
    $280.00 - $280.00
    $280.00

    $468.00
    $468.00 - $468.00
    $468.00
    $280.00
    $280.00 - $280.00
    $280.00
    Save 40% Save %
  • Washer. Impeller, 33/64" ID x 1 - 15/16" 416SS, Berkeley S18117 - UnitedBuilt Equipment
    Save 41% Save %
    2 in stock

    Washer. Impeller, 33/64" ID x 1-15/16" 416SS, Berkeley S18117

    Berkeley
    $264.00
    $264.00 - $264.00
    $264.00
    $155.00
    $155.00 - $155.00
    $155.00

    $264.00
    $264.00 - $264.00
    $264.00
    $155.00
    $155.00 - $155.00
    $155.00
    Save 41% Save %
  • Packing Ring 1 - 3/4 ID x 2 - 1/2 OD, Graphite, Berkeley S08291 - UnitedBuilt Equipment
    Save 41% Save %
    1 in stock

    Packing Ring 1-3/4 ID x 2-1/2 OD, Graphite, Berkeley S08291

    Berkeley
    $94.00
    $94.00 - $94.00
    $94.00
    $55.00
    $55.00 - $55.00
    $55.00

    $94.00
    $94.00 - $94.00
    $94.00
    $55.00
    $55.00 - $55.00
    $55.00
    Save 41% Save %
  • Hex Nut 3/8 - 16 Steel, Berkeley S23103 - UnitedBuilt Equipment
    Save 29% Save %
    30 in stock

    Hex Nut 3/8-16 Brass, Berkeley S23103 (U36-38ZP)

    Berkeley
    $2.10
    $2.10 - $2.10
    $2.10
    $1.50
    $1.50 - $1.50
    $1.50

    $2.10
    $2.10 - $2.10
    $2.10
    $1.50
    $1.50 - $1.50
    $1.50
    Save 29% Save %
  • Hex Head Capscrew 3/8 - 16 X 3/4, Berkeley S26824 - UnitedBuilt Equipment
    Save 41% Save %
    4 in stock

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

    Berkeley
    $11.79
    $11.79 - $11.79
    $11.79
    $7.00
    $7.00 - $7.00
    $7.00

    $11.79
    $11.79 - $11.79
    $11.79
    $7.00
    $7.00 - $7.00
    $7.00
    Save 41% Save %
  • Elastomer Hub Coupling 10" 1 - 3/8" - 10T Vulkan, Berkeley B85403 - UnitedBuilt Equipment
    Save 34% Save %
    1 in stock

    Elastomer Hub Coupling 10" 1-3/8"-10T Vulkan, Berkeley B85403

    Berkeley
    $1,435.00
    $1,435.00 - $1,435.00
    $1,435.00
    $950.00
    $950.00 - $950.00
    $950.00

    $1,435.00
    $1,435.00 - $1,435.00
    $1,435.00
    $950.00
    $950.00 - $950.00
    $950.00
    Save 34% Save %
  • Seal, Oil, Clipper, 1 - 15/16" SFT, Berkeley S14764 - UnitedBuilt Equipment
    Seal, Oil, Clipper, 1 - 15/16" SFT, Berkeley S14764 - UnitedBuilt Equipment
    Save 33% Save %
    3 in stock

    Seal, Oil, Clipper, 1-15/16" SFT, Berkeley S14764

    Berkeley
    $194.00
    $194.00 - $194.00
    $194.00
    $130.00
    $130.00 - $130.00
    $130.00

    Seal, Oil, Clipper, 1-15/16" SFT, Berkeley S14764

    $194.00
    $194.00 - $194.00
    $194.00
    $130.00
    $130.00 - $130.00
    $130.00
    Save 33% Save %
  • Bearing, Roller AFBMA 50RK32, 1.9685" ID 3, Berkeley S15604 - UnitedBuilt Equipment
    Bearing, Roller AFBMA 50RK32, 1.9685" ID 3, Berkeley S15604 - UnitedBuilt Equipment
    Save 29% Save %
    0 in stock. Available on backorder

    Bearing, Roller AFBMA 50RK32, 1.9685" ID 3, Berkeley S15604

    Berkeley
    $703.00
    $703.00 - $703.00
    $703.00
    $499.00
    $499.00 - $499.00
    $499.00

    Bearing, Roller AFBMA 50RK32, 1.9685" ID 3, Berkeley S15604

    $703.00
    $703.00 - $703.00
    $703.00
    $499.00
    $499.00 - $499.00
    $499.00
    Save 29% Save %
  • Spacer Impeller Hub 7/8ID 1 - 1/8"OD (PUMPBS15405) - UnitedBuilt Equipment
    Save 43% Save %
    10 in stock

    Spacer Impeller Hub 7/8ID 1-1/8"OD (PUMPBS15405)

    Berkeley
    $36.00
    $36.00 - $36.00
    $36.00
    $20.60
    $20.60 - $20.60
    $20.60

    Impeller spacer Hub 7/8" ID x 1-1/8" OD Berkeley S15405

    $36.00
    $36.00 - $36.00
    $36.00
    $20.60
    $20.60 - $20.60
    $20.60
    Save 43% Save %