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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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  • 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
  • Hose Reel, 1-1/2" x 50', Electric Rewind, Coxreels 1185-1124-ED-BEXX - UnitedBuilt Equipment
    Save 13% Save %
    0 in stock. Available on backorder

    Hose Reel, 1-1/2" x 50', Electric Rewind, Coxreels 1185-1124-ED-BEXX

    Coxreels
    $1,754.00
    $1,754.00 - $1,754.00
    $1,754.00
    $1,525.00
    $1,525.00 - $1,525.00
    $1,525.00

    Hose Reel, 1-1/2" x 50', Electric Rewind, Explosion Proof Motor, COXREELS 1185-1124-ED Hose not included Motor:ED Suffix: 12VDC, 1/2 HP, Explosion ...

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    $1,754.00
    $1,754.00 - $1,754.00
    $1,754.00
    $1,525.00
    $1,525.00 - $1,525.00
    $1,525.00
    Save 13% Save %
  • Retaining Ring Cox (REEL20252) - UnitedBuilt Equipment
    4 in stock

    Retaining Ring Coxreels 20252

    Coxreels
    $0.00 - $0.00
    $0.00
    $2.90
    $2.90 - $2.90
    $2.90

    Hose Reel Retaining Ring COXREELS 20252 (Rev D) For 1185-1124, 1185-2024, 1185-1124E and 1185-2024E Revision E and D

    $0.00 - $0.00
    $0.00
    $2.90
    $2.90 - $2.90
    $2.90
  • Bearing Assembly 1 - 1/2" 1185, Coxreels 8166 - UnitedBuilt Equipment
    8 in stock

    Bearing Assembly 1-1/2" 1185, Coxreels 8166

    Coxreels
    $0.00 - $0.00
    $0.00
    $72.00
    $72.00 - $72.00
    $72.00

    Hose Reel Bearing Assembly (Rev A) COXREELS 8166 For 1185 series reels made before 2014, Rev A.

    $0.00 - $0.00
    $0.00
    $72.00
    $72.00 - $72.00
    $72.00
  • 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
  • Ball Bearing, 0.25" (1/4") GR100 316 Stainless Steel, Elkhart 15027000 - UnitedBuilt Equipment
    Save 19% Save %
    2866 in stock

    Ball Bearing, 0.25" (1/4") GR100 316 Stainless Steel, Elkhart 15027000

    Elkhart Brass
    $4.00
    $4.00 - $4.00
    $4.00
    $3.24
    $3.24 - $3.24
    $3.24

    This Ball Bearing is made of 0.25" GR100 316 Stainless Steel from Elkhart with part number 15027000. Sold individually. Image displays multiple bea...

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    $4.00
    $4.00 - $4.00
    $4.00
    $3.24
    $3.24 - $3.24
    $3.24
    Save 19% Save %
  • U - Joint, 1310 Series, Spicer 5 - 153X - UnitedBuilt Equipment
    U - Joint, 1310 Series, Spicer 5 - 153X - UnitedBuilt Equipment
    Save 30% Save %
    31 in stock

    U-Joint, 1310 Series, Spicer 5-153X

    Spicer
    $32.89
    $32.89 - $32.89
    $32.89
    $22.99
    $22.99 - $22.99
    $22.99

    Spicer 1310 Series Full Round Greaseable Universal Joint

    $32.89
    $32.89 - $32.89
    $32.89
    $22.99
    $22.99 - $22.99
    $22.99
    Save 30% Save %
  • King Combination Nipple, Weld by Hose Barb - UnitedBuilt Equipment
    3 in stock

    King Combination Nipple, Weld by Hose Barb

    Dixon
    $0.00 - $0.00
    $0.00
    $22.76 - $48.00
    $22.76 - $48.00
    $22.76

    King Combination Nipple, Weld by Hose Barb Applications Recommended for low-pressure discharge and suction service for compatible liquids ...

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    $0.00 - $0.00
    $0.00
    $22.76 - $48.00
    $22.76 - $48.00
    $22.76
  • Camlock, Type F, Male Camlock x Male NPT, Aluminum - UnitedBuilt Equipment
    25 in stock

    Camlock, Type F, Male Camlock x Male NPT, Aluminum

    UnitedBuilt Choice
    $0.00 - $0.00
    $0.00
    $8.65 - $88.75
    $8.65 - $88.75
    $8.65

    Camlock, Type F, Male Camlock x Male NPT, Aluminum

    $0.00 - $0.00
    $0.00
    $8.65 - $88.75
    $8.65 - $88.75
    $8.65
  • 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
  • Hydraulic Pump Bi-Directional, 2" Gear, SAEB, 1-1/4" ORB, Shaft 7/8" x 13-Tooth, Permco P3040A286NMZA20-14 - UnitedBuilt Equipment
    1 in stock

    Hydraulic Pump Bi-Directional, 2" Gear, SAEB, 1-1/4" ORB, Shaft 7/8" x 13-Tooth, Permco P3040A286NMZA20-14

    Permco
    $0.00 - $0.00
    $0.00
    $853.00
    $853.00 - $853.00
    $853.00

    Hydraulic Pump Bi-Directional 2" Gear 2" Gear SAEB 1-1/4" ORB 13 Tooth 7/8" Shaft Features & Benefits Rugged doweled construction High press...

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    $0.00 - $0.00
    $0.00
    $853.00
    $853.00 - $853.00
    $853.00
  • External Seat Drain Cock, 1/4" MNPT, Brass, 321P (145) - UnitedBuilt Equipment
    External Seat Drain Cock, 1/4" MNPT, Brass, 321P (145) - UnitedBuilt Equipment
    268 in stock

    External Seat Drain Cock, 1/4" MNPT, Brass, 321P (145)

    Mid-America
    $0.00 - $0.00
    $0.00
    $4.10
    $4.10 - $4.10
    $4.10

    External Seat Draincock, 1/4", Brass

    $0.00 - $0.00
    $0.00
    $4.10
    $4.10 - $4.10
    $4.10
  • 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
  • Push-In Air Fitting, Union, 1/4" Tube OD, Camozzi 6580 04-00 - UnitedBuilt Equipment
    Push-In Air Fitting, Union, 1/4" Tube OD, Camozzi 6580 04-00 - UnitedBuilt Equipment
    81 in stock

    Push-In Air Fitting, Union, 1/4" Tube OD, Camozzi 6580 04-00

    Camozzi
    $0.00 - $0.00
    $0.00
    $4.00
    $4.00 - $4.00
    $4.00

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

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    $0.00 - $0.00
    $0.00
    $4.00
    $4.00 - $4.00
    $4.00
  • Push-In Air Fitting, Male Run Tee Swivel, 1/4" Tube OD X 1/8" NPTF, Camozzi P6440 04-02 - UnitedBuilt Equipment
    Push-In Air Fitting, Male Run Tee Swivel, 1/4" Tube OD X 1/8" NPTF, Camozzi P6440 04-02 - UnitedBuilt Equipment
    166 in stock

    Push-In Air Fitting, Male Run Tee Swivel, 1/4" Tube OD X 1/8" NPTF, Camozzi P6440 04-02

    Camozzi
    $0.00 - $0.00
    $0.00
    $6.00
    $6.00 - $6.00
    $6.00

    Camozzi Pro-Fit® Push-In Air Fitting, Male Run Tee Swivel, 1/4" OD X 1/8" NPT Tube OD: 1/4"  Thread: 1/8" NPTF Camozzi's all metal fittings are 1...

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    $0.00 - $0.00
    $0.00
    $6.00
    $6.00 - $6.00
    $6.00
  • Inline Valve, Air-to-Close, Cast Iron, 3" FNPT by 2" Flow, Netafim 323 61B323IT-HP - UnitedBuilt Equipment
    0 in stock. Available on backorder

    Inline Valve, Air-to-Close, Cast Iron, 3" FNPT by 2" Flow, Netafim 323 61B323IT-HP

    Netafim
    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00

    Air operated inline spray valve manufactured of cast iron. Connects with 3" female NPT ends and has 2" flow.

    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00
  • Repair Kit 2 - 1/2" Cla Inline Valve (VALINL0250CKIT) - UnitedBuilt Equipment
    17 in stock

    Valve Seal Kit, Diaphragm Assembly for 2-1/2" Cla-Val 7100 Inline Valve

    Cla-Val
    $0.00 - $0.00
    $0.00
    $188.00
    $188.00 - $188.00
    $188.00

    Repair Kit 2-1/2" Cla-Val Inline Valve

    $0.00 - $0.00
    $0.00
    $188.00
    $188.00 - $188.00
    $188.00
  • Harness Cannon to Joystick 15' BrushHawk 8495, Elkhart 37543015 - UnitedBuilt Equipment
    Save 27% Save %
    25 in stock

    Harness Cannon to Joystick 15' BrushHawk 8495, Elkhart 37543015

    Elkhart Brass
    $252.00
    $252.00 - $252.00
    $252.00
    $185.00
    $185.00 - $185.00
    $185.00

    $252.00
    $252.00 - $252.00
    $252.00
    $185.00
    $185.00 - $185.00
    $185.00
    Save 27% Save %
  • Slam Bolt Latch, 5.5" x 2", Finger Pull Style, Zinc Plated Steel, Powder - Coated Bolt, Buyers 90M - UnitedBuilt Equipment
    92 in stock

    Slam Bolt Latch, 5.5" x 2", Finger Pull Style, Zinc Plated Steel, Powder-Coated Bolt, Buyers 90M

    Buyers
    $0.00 - $0.00
    $0.00
    $5.95
    $5.95 - $5.95
    $5.95

    Buyers Products Slam Bolt Latch is for use with two and three point latch applications. It features a finger pull with manual release and a powder-...

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    $0.00 - $0.00
    $0.00
    $5.95
    $5.95 - $5.95
    $5.95
  • 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
  • Nozzle 350GPM, 2 - 1/2" FNHT, 7000 - EHD (D) Nitro HD, Elkhart 07000802 - UnitedBuilt Equipment
    Nozzle 350GPM, 2 - 1/2" FNHT, 7000 - EHD (D) Nitro HD, Elkhart 07000802 - UnitedBuilt Equipment
    Save 23% Save %
    0 in stock. Available on backorder

    Nozzle 350GPM, 2-1/2" FNHT, 7000-EHD (D) Nitro HD, Adjustable Fog-to-Stream, Elkhart 07000802

    Elkhart Brass
    $3,013.00
    $3,013.00 - $3,013.00
    $3,013.00
    $2,324.00
    $2,324.00 - $2,324.00
    $2,324.00

    Increase your water flow with the Nitro HD Nozzle from Elkhart. Designed with a 350GPM capacity and 2-1/2" FNHT, this nozzle is perfect for heavy-d...

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    $3,013.00
    $3,013.00 - $3,013.00
    $3,013.00
    $2,324.00
    $2,324.00 - $2,324.00
    $2,324.00
    Save 23% Save %
  • Crank Handle Assembly 8", American Reels 58-1A - UnitedBuilt Equipment
    10 in stock

    Crank Handle Assembly 8", American Reels 58-1A

    American Reels
    $0.00 - $0.00
    $0.00
    $222.00
    $222.00 - $222.00
    $222.00

    Crank Handle 8", American Reels 58-1A

    $0.00 - $0.00
    $0.00
    $222.00
    $222.00 - $222.00
    $222.00
  • Seal American Reel 150-2 (REELA150-2) - UnitedBuilt Equipment
    Seal American Reel 150-2 (REELA150-2) - UnitedBuilt Equipment
    10 in stock

    1-1/2" Buna Seal (910A) American Reel 150-2

    American Reels
    $0.00 - $0.00
    $0.00
    $59.15
    $59.15 - $59.15
    $59.15

    Swivel Seal, American Reels 150-2

    $0.00 - $0.00
    $0.00
    $59.15
    $59.15 - $59.15
    $59.15