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

Water Truck Parts

UnitedBuilt offers a complete selection of water truck parts to keep your equipment running reliably in demanding applications. Our inventory includes water truck pumps, valves, spray heads, hose reels, air controls & fittings, PTOs and hydraulics, water cannons, nozzles, and other essential components used across a wide range of water truck systems.

We supply replacement and alternative parts for most major water truck brands, making it easy to find compatible components for your specific setup. Whether you’re performing routine maintenance or repairing critical equipment, our parts are selected for durability, performance, and real-world reliability.

We carry products from trusted manufacturers including UnitedBuilt, Berkeley, Franklin Electric, Victaulic, Elkhart Brass, Coxreels®, Netafim, Dixon, EATON Bezares, Cla-Val, Camozzi, Sealco, and Buyers Products, ensuring quality and compatibility across your system.

With over 75 years of experience, UnitedBuilt is a trusted source for water truck parts and support. You can search our site using a manufacturer part number, UnitedBuilt SKU, or product description to quickly locate what you need. If you don’t see the part you’re looking for, our team is available to help—call us at 602-253-7739 for assistance.

We work to keep our most in-demand parts readily available and offer fast shipping to help minimize downtime and keep your operation moving.

Water Truck Parts - UnitedBuilt Equipment

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  • Aperture Band, for BC2399 Aluminum Adjustable Fan Spray, UnitedBuilt BC2399BD - UnitedBuilt Equipment
    601 in stock

    Aperture Band, for BC2399 Aluminum Adjustable Fan Spray, UnitedBuilt BC2399BD

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $35.75
    $35.75 - $35.75
    $35.75

    The UnitedBuilt BC2399BD Aperture Band is a precision-engineered component designed for use with the BC2399 Aluminum Adjustable Fan Spray nozzle. C...

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    $0.00 - $0.00
    $0.00
    $35.75
    $35.75 - $35.75
    $35.75
  • Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS - UnitedBuilt Equipment
    Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS - UnitedBuilt Equipment
    7 in stock

    Shaft Kit, Mechanical Seal, CCW, UnitedBuilt B80697MS

    UnitedBuilt
    $268.30 - $268.30
    $268.30
    $268.30
    $268.30 - $268.30
    $268.30

    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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    $268.30 - $268.30
    $268.30
    $268.30
    $268.30 - $268.30
    $268.30
  • Ball Hemisphere AV9030 (Rev 1/99) (SPRAYHBAL9030A) - UnitedBuilt Equipment
    Ball Hemisphere AV9030 (Rev 1/99) (SPRAYHBAL9030A) - UnitedBuilt Equipment
    698 in stock

    Ball Hemisphere AV9030 (Rev 1/99) (SPRAYHBAL9030A)

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $13.04
    $13.04 - $13.04
    $13.04

    Ball hemisphere for OEM UnitedBuilt AV9030 legacy water truck valve.

    $0.00 - $0.00
    $0.00
    $13.04
    $13.04 - $13.04
    $13.04
  • Tank Mounting Kit, Extra Duty, UnitedBuilt TANKMTKIT13 - UnitedBuilt Equipment
    0 in stock. Available on backorder

    Tank Mounting Kit, Extra Duty, UnitedBuilt TANKMTKIT13

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1,075.00
    $1,075.00 - $1,075.00
    $1,075.00

    Solid Heavy Duty Angle 6-Point Mounting Brackets, 3/4" Grade 8 Hardware, Front Springs Welding and frame drilling required. Two tie down guides rec...

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    $0.00 - $0.00
    $0.00
    $1,075.00
    $1,075.00 - $1,075.00
    $1,075.00
  • Solenoid Valve 12V 3 - Way, UnitedBuilt 3W15X - B460 - 00 - UnitedBuilt Equipment
    69 in stock

    Solenoid Valve 12V 3-Way, UnitedBuilt 3W15X-B460-00

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $88.55
    $88.55 - $88.55
    $88.55

    Solenoid Valve 12V 3-Way, UnitedBuilt 3W15X-B460-00

    $0.00 - $0.00
    $0.00
    $88.55
    $88.55 - $88.55
    $88.55
  • Switch Plate Label, ON/OFF, UnitedBuilt - UnitedBuilt Equipment
    Switch Plate Label, ON/OFF, UnitedBuilt - UnitedBuilt Equipment
    49 in stock

    Switch Plate Label, ON/OFF, UnitedBuilt

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $4.00
    $4.00 - $4.00
    $4.00

    Switch Plate Label, ON/OFF, UnitedBuiltManufactured of Metalphoto®, durable anodize aluminum sheet metal.Durable, UV-stable, abrasion, head, and we...

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    $0.00 - $0.00
    $0.00
    $4.00
    $4.00 - $4.00
    $4.00
  • Hex Nut, Brass, 3/8-16, (2 Required for Packing Gland), UnitedBuilt M3ZRM S23343MS - UnitedBuilt Equipment
    Hex Nut, Brass, 3/8-16, (2 Required for Packing Gland), UnitedBuilt M3ZRM S23343MS - UnitedBuilt Equipment
    426 in stock

    Hex Nut, Brass, 3/8-16, (2 Required for Packing Gland), UnitedBuilt M3ZRM S23343MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1.50
    $1.50 - $1.50
    $1.50

    Hex Nut, Brass, 3/8-16 S23343

    $0.00 - $0.00
    $0.00
    $1.50
    $1.50 - $1.50
    $1.50
  • 17 in stock

    Shaft Key 1/4" x 1" Long, UnitedBuilt S24168MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1.00
    $1.00 - $1.00
    $1.00

    $0.00 - $0.00
    $0.00
    $1.00
    $1.00 - $1.00
    $1.00
  • 519 in stock

    Diaphragm Spring, AV5293 & 3" Cla-Val 81665C (VALINL0300C1106J)

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $10.50
    $10.50 - $10.50
    $10.50

    Diaphragm Spring, AV5293 & 3" Cla-Val 81665C For the 3" UnitedBuilt AV5293 & 3" Cla-Val 81665C 

    $0.00 - $0.00
    $0.00
    $10.50
    $10.50 - $10.50
    $10.50
  • Retaining Ring, External, Stainless Steel, 1-1/8" Shaft, UnitedBuilt S23009MS - UnitedBuilt Equipment
    58 in stock

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

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $3.30
    $3.30 - $3.30
    $3.30

    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
    $3.30
    $3.30 - $3.30
    $3.30
  • Internal Diaphragm Assembly, No Spring, Spray Head Valve UnitedBuilt BC2403 - UnitedBuilt Equipment
    Internal Diaphragm Assembly, No Spring, Spray Head Valve UnitedBuilt BC2403 - UnitedBuilt Equipment
    15 in stock

    Internal Diaphragm Assembly, No Spring, Spray Head Valve UnitedBuilt BC2403

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $98.50
    $98.50 - $98.50
    $98.50

    Internal Diaphragm Assembly, No Spring, Spray Head Valve UnitedBuilt BC2403

    $0.00 - $0.00
    $0.00
    $98.50
    $98.50 - $98.50
    $98.50
  • AV9030 Valve Spring, UnitedBuilt AV9030 - SPG - UnitedBuilt Equipment
    855 in stock

    AV9030 Valve Spring, UnitedBuilt AV9030-SPG

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $7.10
    $7.10 - $7.10
    $7.10

    Valve spring for OEM UnitedBuilt AV9030 legacy water truck valve.

    $0.00 - $0.00
    $0.00
    $7.10
    $7.10 - $7.10
    $7.10
  • Front Spray Bar Bracket, Left Bend - UnitedBuilt Equipment
    Front Spray Bar Bracket, Left Bend - UnitedBuilt Equipment
    51 in stock

    Front Spray Bar Bracket, Left Bend

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00

    Front Spray Bar Bracket, Left Bend

    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00
  • Spring 2410 Spray Head (SPRAYRSPG71A - 3) - UnitedBuilt Equipment
    Spring 2410 Spray Head (SPRAYRSPG71A - 3) - UnitedBuilt Equipment
    591 in stock

    Spring 2410 Spray Head (SPRAYRSPG71A-3)

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $11.96
    $11.96 - $11.96
    $11.96

    Spring 2410 Spray Head (SPRAYRSPG71A-3)

    $0.00 - $0.00
    $0.00
    $11.96
    $11.96 - $11.96
    $11.96
  • Decal, Non-Potable Water, 3-1/2" Height x 3' 3-1/2" Width, UnitedBuilt DECALNONPOT - UnitedBuilt Equipment
    10 in stock

    Decal, Non-Potable Water, 3-1/2" Height x 3' 3-1/2" Width, UnitedBuilt DECALNONPOT

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $27.00
    $27.00 - $27.00
    $27.00

    Decal, Non Potable Water, 3-1/2" x 3' 3-1/2"

    $0.00 - $0.00
    $0.00
    $27.00
    $27.00 - $27.00
    $27.00
  • Decal Warning, Drain and Winterize Pump, 6" Height x 12" Width, UnitedBuilt DECALDRAIN - UnitedBuilt Equipment
    55 in stock

    Decal Warning, Drain and Winterize Pump, 6" Height x 12" Width, UnitedBuilt DECALDRAIN

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $12.16
    $12.16 - $12.16
    $12.16

    Decal Caution, Drain Pump and Plumbing 6" x 12"

    $0.00 - $0.00
    $0.00
    $12.16
    $12.16 - $12.16
    $12.16
  • Powerhead, Cast Iron, 4x3, Clockwise (CW), Rope Packing Seal, UnitedBuilt M3ZRM B85552MS - UnitedBuilt Equipment
    Powerhead, Cast Iron, 4x3, Clockwise (CW), Rope Packing Seal, UnitedBuilt M3ZRM B85552MS - UnitedBuilt Equipment
    16 in stock

    Powerhead, Cast Iron, 4x3, Clockwise (CW), Rope Packing Seal, UnitedBuilt M3ZRM B85552MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $925.00
    $925.00 - $925.00
    $925.00

    UnitedBuilt Powerhead M3ZRM 4X3 Rope Packing CW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existing pu...

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    $0.00 - $0.00
    $0.00
    $925.00
    $925.00 - $925.00
    $925.00
  • Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS - UnitedBuilt Equipment
    28 in stock

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

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $350.00
    $350.00 - $350.00
    $350.00

    UnitedBuilt Volute CCW Groove (M3Z) Manufactured in the USA of Domestic and Imported Materials. ASTM126 30B heavy-duty cast gray iron Not sure i...

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    $0.00 - $0.00
    $0.00
    $350.00
    $350.00 - $350.00
    $350.00
  • Shaft Sleeve, Stainless Steel, M3ZRM(S) UnitedBuilt S39242MS - UnitedBuilt Equipment
    19 in stock

    Shaft Sleeve, Stainless Steel, M3ZRM(S) UnitedBuilt S39242MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $71.50
    $71.50 - $71.50
    $71.50

    UnitedBuilt Shaft Sleeve, Stainless Steel for B3Z & B4Z pumps. Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat. N...

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    $0.00 - $0.00
    $0.00
    $71.50
    $71.50 - $71.50
    $71.50
  • Front Spray Bar Bracket, Right Bend - UnitedBuilt Equipment
    Front Spray Bar Bracket, Right Bend - UnitedBuilt Equipment
    0 in stock. Available on backorder

    Front Spray Bar Bracket, Right Bend

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00

    Front Spray Bar Bracket, Right Bend

    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00
  • Diaphragm, Heavy Duty Spray Head Valve BC2403, UnitedBuilt - UnitedBuilt Equipment
    23 in stock

    Diaphragm, Heavy Duty Spray Head Valve BC2403, UnitedBuilt

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $28.38
    $28.38 - $28.38
    $28.38

    Diaphragm, Heavy Duty Spray Head Valve BC2403, UnitedBuilt

    $0.00 - $0.00
    $0.00
    $28.38
    $28.38 - $28.38
    $28.38
  • Powerhead, Cast Iron, 4x3, Clockwise (CW), Mechanical Seal, UnitedBuilt M3ZRMS B85550MS - UnitedBuilt Equipment
    Powerhead, Cast Iron, 4x3, Clockwise (CW), Mechanical Seal, UnitedBuilt M3ZRMS B85550MS - UnitedBuilt Equipment
    22 in stock

    Powerhead, Cast Iron, 4x3, Clockwise (CW), Mechanical Seal, UnitedBuilt M3ZRMS B85550MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $950.00
    $950.00 - $950.00
    $950.00

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

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    $0.00 - $0.00
    $0.00
    $950.00
    $950.00 - $950.00
    $950.00
  • Adapter Harness, Universal, UnitedBuilt AC4656 - UnitedBuilt Equipment
    Adapter Harness, Universal, UnitedBuilt AC4656 - UnitedBuilt Equipment
    97 in stock

    Adapter Harness, Universal, UnitedBuilt AC4656

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $27.20
    $27.20 - $27.20
    $27.20

    Adapter Harness Plug, Universal, UnitedBuilt AC4656

    $0.00 - $0.00
    $0.00
    $27.20
    $27.20 - $27.20
    $27.20
  • Adapter Harness, Kenworth, UnitedBuilt AC4657-A - UnitedBuilt Equipment
    Adapter Harness, Kenworth, UnitedBuilt AC4657-A - UnitedBuilt Equipment
    97 in stock

    Adapter Harness, Kenworth, UnitedBuilt AC4657-A

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $24.18
    $24.18 - $24.18
    $24.18

    Adapter Harness Plug, Kenworth, UnitedBuilt AC4657

    $0.00 - $0.00
    $0.00
    $24.18
    $24.18 - $24.18
    $24.18