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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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  • Bolt, Square Head, 3/8"-16 x 2-1/2", (2 Required for Packing Gland), UnitedBuilt M3ZRM S23762MS - UnitedBuilt Equipment
    344 in stock

    Bolt, Square Head, 3/8"-16 x 2-1/2", (2 Required for Packing Gland), UnitedBuilt M3ZRM S23762MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $6.68
    $6.68 - $6.68
    $6.68

    Bolt, Square Head, Zinc Plated 3/8-16 x 2-1/2" S23762

    $0.00 - $0.00
    $0.00
    $6.68
    $6.68 - $6.68
    $6.68
  • Spring, Spray Head Valve UnitedBuilt AV1100 (VALINL0300MP116) - UnitedBuilt Equipment
    3204 in stock

    Internal Spring for AV1100 Spray Head Valve, UnitedBuilt AV1100-SPG

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $12.62
    $12.62 - $12.62
    $12.62

    UnitedBuilt Spring for AV1100 Spray Valve Specifically designed and manufactured for our AV1100 spray valve to keep the valve closed under gravity ...

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    $0.00 - $0.00
    $0.00
    $12.62
    $12.62 - $12.62
    $12.62
  • Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS - UnitedBuilt Equipment
    Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS - UnitedBuilt Equipment
    15 in stock

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

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $295.00
    $295.00 - $295.00
    $295.00

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

    $0.00 - $0.00
    $0.00
    $295.00
    $295.00 - $295.00
    $295.00
  • Sensor Kit HZ/VT 8494 - 01 (Replaces 65104000), Elkhart 81960001 - UnitedBuilt Equipment
    Save 10% Save %
    7 in stock

    Sensor Kit HZ/VT 8494-01 (Replaces 65104000), Elkhart 81960001

    Elkhart Brass
    $215.00
    $215.00 - $215.00
    $215.00
    $194.00
    $194.00 - $194.00
    $194.00

    Sensor Kit HZ/VT 8494-01 (Replaces 65104000), Elkhart 81960001

    $215.00
    $215.00 - $215.00
    $215.00
    $194.00
    $194.00 - $194.00
    $194.00
    Save 10% Save %
  • 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
    24 in stock

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

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

    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
    $950.00
    $950.00 - $950.00
    $950.00
  • Spray Valve Cap for AV1100 or BC2410, Aluminum, UnitedBuilt - UnitedBuilt Equipment
    Spray Valve Cap for AV1100 or BC2410, Aluminum, UnitedBuilt - UnitedBuilt Equipment
    1537 in stock

    Spray Valve Cap for AV1100 or BC2410, Aluminum, UnitedBuilt

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $30.00
    $30.00 - $30.00
    $30.00

    Valve Cap, Aluminum, AV1100 & BC2410 UnitedBuilt Precision cast and machined in the USA For AV1100 and BC2410 UnitedBuilt OEM

    $0.00 - $0.00
    $0.00
    $30.00
    $30.00 - $30.00
    $30.00
  • Airline Synflex 1/4" x 100' Roll, Freelin-Wade (AIRL0025-100) - UnitedBuilt Equipment
    Airline Synflex 1/4" x 100' Roll, Freelin - Wade (AIRL0025 - 100) - UnitedBuilt Equipment
    21 in stock

    Airline Synflex 1/4" x 100' Roll, Freelin-Wade (AIRL0025-100)

    Freelin-Wade
    $0.00 - $0.00
    $0.00
    $48.00
    $48.00 - $48.00
    $48.00

    UnitedBuilt Airline Synflex 1/4" x 100' Roll

    $0.00 - $0.00
    $0.00
    $48.00
    $48.00 - $48.00
    $48.00
  • Mechanical Seal, Ceramic, 1-1/8" Type C (John Crane Type 21), UnitedBuilt M3ZRMS S32690MS - UnitedBuilt Equipment
    Mechanical Seal, Ceramic, 1-1/8" Type C (John Crane Type 21), UnitedBuilt M3ZRMS S32690MS - UnitedBuilt Equipment
    103 in stock

    Mechanical Seal, Ceramic, 1-1/8" Type C (John Crane Type 21), UnitedBuilt M3ZRMS S32690MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $67.63
    $67.63 - $67.63
    $67.63

    1-1/8″ Type C (John Crane Type 21) Short Mechanical Pump Seal for B3Z & B4Z model pumps. For B68416, B68417, B69876

    $0.00 - $0.00
    $0.00
    $67.63
    $67.63 - $67.63
    $67.63
  • Nozzle 350GPM, 1 - 1/2" FNHT, 5000 - 24E for BrushHawk 8495, Adjustable Fog - to - Stream, Elkhart 05000058 - UnitedBuilt Equipment
    Save 35% Save %
    26 in stock

    Nozzle 350GPM, 1-1/2" FNHT, 5000-24E (D) with Deutsch Connector for BrushHawk 8495, Adjustable Fog-to-Stream, Elkhart 05000058

    Elkhart Brass
    $2,703.00
    $2,703.00 - $2,703.00
    $2,703.00
    $1,750.00
    $1,750.00 - $1,750.00
    $1,750.00

    Created for specific applications where water flow may be limited, such as wildland firefighting, the 5000 Series nozzle is a high-performance, fix...

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    $2,703.00
    $2,703.00 - $2,703.00
    $2,703.00
    $1,750.00
    $1,750.00 - $1,750.00
    $1,750.00
    Save 35% Save %
  • Swivel Joint, Style 20, Inline FNPT - UnitedBuilt Equipment
    4 in stock

    Swivel Joint, Style 20, Inline FNPT

    Dixon
    $0.00 - $0.00
    $0.00
    $239.00 - $372.00
    $239.00 - $372.00
    $239.00

    Swivel Joint, Style 20, Inline FNPT Features O-ring pressure seal ensures a leak-proof seal and smooth rotation with lower torque. Full 360° rotat...

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    $0.00 - $0.00
    $0.00
    $239.00 - $372.00
    $239.00 - $372.00
    $239.00
  • Washer Bearing, Thrust, 1.884 X 2.38, Coxreels 8960 - 1 - UnitedBuilt Equipment
    Washer Bearing, Thrust, 1.884 X 2.38, Coxreels 8960 - 1 - UnitedBuilt Equipment
    Save 8% Save %
    5 in stock

    Washer Bearing, Thrust, 1.884 X 2.38, Coxreels 8960-1

    Coxreels
    $16.55
    $16.55 - $16.55
    $16.55
    $15.25
    $15.25 - $15.25
    $15.25

    Hose Reel Washer, Thrust, COXREELS 8960-1 (Rev E & D) For 1185-1124, 1185-2024, 1185-1124E and 1185-2024E Revision E and D

    $16.55
    $16.55 - $16.55
    $16.55
    $15.25
    $15.25 - $15.25
    $15.25
    Save 8% Save %
  • Grease Cap, UnitedBuilt M3ZRM(S) S19033MS - UnitedBuilt Equipment
    Grease Cap, UnitedBuilt M3ZRM(S) S19033MS - UnitedBuilt Equipment
    177 in stock

    Grease Cap, UnitedBuilt M3ZRM(S) S19033MS

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

    UnitedBuilt Inner Bearing Cap for B3Z & B4Z pumps. Keeps grease on your bearings and dirt and debris out. When rebuilding a pump, check that th...

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    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00
  • Push-In Air Fitting, Union Tee, 1/4" Tube OD, Camozzi 6540 04-00 - UnitedBuilt Equipment
    Push-In Air Fitting, Union Tee, 1/4" Tube OD, Camozzi 6540 04-00 - UnitedBuilt Equipment
    119 in stock

    Push-In Air Fitting, Union Tee, 1/4" Tube OD, Camozzi 6540 04-00

    Camozzi
    $0.00 - $0.00
    $0.00
    $5.75
    $5.75 - $5.75
    $5.75

    Camozzi Push-In Air Fitting, Union Tee, 1/4" Tube OD Tube OD: 1/4"  Camozzi's all metal fittings are 100% electrolytic nickel-plated brass.  Full...

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    $0.00 - $0.00
    $0.00
    $5.75
    $5.75 - $5.75
    $5.75
  • Shaft Kit Rope Packing CCW UnitedBuilt B80696MS - UnitedBuilt Equipment
    Shaft Kit Rope Packing CCW UnitedBuilt B80696MS - UnitedBuilt Equipment
    23 in stock

    Shaft Kit, Rope Packing, B3ZRM CCW, Stressproof® Steel, 1-1/8" x 1/4" Key, UnitedBuilt B80696MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $265.00
    $265.00 - $265.00
    $265.00

    UnitedBuilt B80696MS Shaft Kit for M3ZRM CCW rope packing pump. Manufactured in the USA of original Niagara LaSalle’s patented Stressproof® steel a...

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    $0.00 - $0.00
    $0.00
    $265.00
    $265.00 - $265.00
    $265.00
  • Joystick Controller, BrushHawk 8495, Elkhart 81899000 - UnitedBuilt Equipment
    Save 31% Save %
    26 in stock

    Joystick Controller, BrushHawk 8495, Elkhart 81899000

    Elkhart Brass
    $2,541.00
    $2,541.00 - $2,541.00
    $2,541.00
    $1,750.00
    $1,750.00 - $1,750.00
    $1,750.00

    Utilizing CANbus control, the BrushHawk proportional joystick controller provides monitor controls for up/down/left/right and nozzle fog/stream con...

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    $2,541.00
    $2,541.00 - $2,541.00
    $2,541.00
    $1,750.00
    $1,750.00 - $1,750.00
    $1,750.00
    Save 31% Save %
  • 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
    3 in stock

    Water Truck Pump, Clockwise (CW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM B3Z-HD , 1-1/2" Shaft x 3/8" Key, ATP B86070

    ATP
    $0.00 - $0.00
    $0.00
    $1,595.00
    $1,595.00 - $1,595.00
    $1,595.00

    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
    $1,595.00
    $1,595.00 - $1,595.00
    $1,595.00
  • Internal Seal Kit with Spring for Spray Head Valve UnitedBuilt BC2403 - UnitedBuilt Equipment
    15 in stock

    Internal Seal Kit with Spring for Spray Head Valve UnitedBuilt BC2403

    UnitedBuilt
    $121.32 - $121.32
    $121.32
    $121.32
    $121.32 - $121.32
    $121.32

    Internal Seal Kit with Spring for Spray Head Valve UnitedBuilt BC2403

    $121.32 - $121.32
    $121.32
    $121.32
    $121.32 - $121.32
    $121.32
  • 3" Valve Diaphragm, 1/8" x 5/8" x 6 1/4", UnitedBuilt K383 - UnitedBuilt Equipment
    347 in stock

    3" Valve Diaphragm, 1/8" x 5/8" x 6 1/4", UnitedBuilt K383

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $6.66
    $6.66 - $6.66
    $6.66

    $0.00 - $0.00
    $0.00
    $6.66
    $6.66 - $6.66
    $6.66
  • Butterfly Valve, Air Operated, Double Acting, Wafer-Style, EPDM, SS Stem and Disc, BI-TORQ - UnitedBuilt Equipment
    Butterfly Valve, Air Operated, Double Acting, Wafer-Style, EPDM, SS Stem and Disc, BI-TORQ - UnitedBuilt Equipment
    2 in stock

    Butterfly Valve, Air Operated, Double Acting, Wafer-Style, EPDM, SS Stem and Disc, BI-TORQ

    BI-TORQ
    $0.00 - $0.00
    $0.00
    $393.00 - $1,400.00
    $393.00 - $1,400.00
    $393.00

    Butterfly Valve, Air Operated, Double Acting, Wafer-Style, Cast Iron Double Acting Pneumatic Actuator Stainless Steel Stem Stainless Steel Disc EP...

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    $0.00 - $0.00
    $0.00
    $393.00 - $1,400.00
    $393.00 - $1,400.00
    $393.00
  • Camlock, Type D, Female Cam x Female NPT, Aluminum - UnitedBuilt Equipment
    8 in stock

    Camlock, Type D, Female Cam x Female NPT, Aluminum

    UnitedBuilt Choice
    $0.00 - $0.00
    $0.00
    $15.12 - $68.00
    $15.12 - $68.00
    $15.12

    Camlock, Type D, Female Cam x Female NPT, Aluminum

    $0.00 - $0.00
    $0.00
    $15.12 - $68.00
    $15.12 - $68.00
    $15.12
  • Tube Insert, Sight Gauge 5/8, 23/32 Length, Brass (2030X10) - UnitedBuilt Equipment
    Tube Insert, Sight Gauge 5/8, 23/32 Length, Brass (2030X10) - UnitedBuilt Equipment
    397 in stock

    Tube Insert, Sight Gauge 5/8, 23/32 Length, Brass 2030X10

    Parker
    $0.00 - $0.00
    $0.00
    $3.60
    $3.60 - $3.60
    $3.60

    Insert Brass, Compression, For 5/8 in Tube OD, 23/32 in Overall Length For 5/8" OD Tube

    $0.00 - $0.00
    $0.00
    $3.60
    $3.60 - $3.60
    $3.60
  • Redline Hose 1" X 50' Coupled (HSEAW10050TXT) - UnitedBuilt Equipment
    4 in stock

    Hose Assembly, Redline 1" x 50' Crimped Male NPT Ends, HSEAW10050TXT

    Duraflex
    $0.00 - $0.00
    $0.00
    $239.00
    $239.00 - $239.00
    $239.00

    Hose, 1" x 50', Redline, Coupled MNPT x MNPT

    $0.00 - $0.00
    $0.00
    $239.00
    $239.00 - $239.00
    $239.00
  • Swivel, 1-1/2" NPT Inline, Aluminum, EPDM Seal, for 1185 Series Reel, Coxreels 20288-2 - UnitedBuilt Equipment
    Swivel, 1 - 1/2" NPT Inline, Aluminum, EPDM Seal, for 1185 Series Reel, Coxreels 20288 - 2 - UnitedBuilt Equipment
    4 in stock

    Swivel, 1-1/2" NPT Inline, Aluminum, EPDM Seal, for 1185 Series Reel, Coxreels 20288-2

    Coxreels
    $0.00 - $0.00
    $0.00
    $81.50
    $81.50 - $81.50
    $81.50

    Hose Reel Swivel, EPDM, 1.5" Reel (Rev A) COXREELS 20288-2

    $0.00 - $0.00
    $0.00
    $81.50
    $81.50 - $81.50
    $81.50
  • Hose Reel, 1-1/2" x 100', Manual Rewind, Coxreels 1185-2024-BEXX - UnitedBuilt Equipment
    Save 4% Save %
    0 in stock. Available on backorder

    Hose Reel, 1-1/2" x 100', L/H Manual Rewind, EPDM Seal, Powder Coated Blue, Coxreels 1185-2024-BEXX

    Coxreels
    $867.00
    $867.00 - $867.00
    $867.00
    $835.00
    $835.00 - $835.00
    $835.00

    Hose Reel, 1-1/2" x 100', Manual Rewind, COXREELS 1185-2024-BEXX Images Shown: 1185-2024 COXREELS® 1185 Series hand crank hose reels are designed t...

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    $867.00
    $867.00 - $867.00
    $867.00
    $835.00
    $835.00 - $835.00
    $835.00
    Save 4% Save %