Water Truck Parts - In Stock — UnitedBuilt Equipment Skip to content
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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  • 604 in stock

    Air Switch Valve, Toggle Lever, 1/8" NPT Ports, Mounting Screws Included, (No Name Plate), Sealco 21600-2

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $29.50
    $29.50 - $29.50
    Current price $29.50

    Sealco Toggle Valve 1/8” NPT 21600-2 Switchplate labels and mounting screws are sold separately.  A versatile manually operated lever valve used i...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $29.50
    $29.50 - $29.50
    Current price $29.50
  • 51 in stock

    Quick Exhaust Valve, 1/4" FNPT Ports, Sealco 3800

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $33.10
    $33.10 - $33.10
    Current price $33.10

    Engineered for efficiency, the Sealco Quick Release Valve #3800 is designed to vent pressure directly at the valve rather than the supply source, e...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $33.10
    $33.10 - $33.10
    Current price $33.10
  • 14 in stock

    Sealco 527061 12VDC Solenoid Valve, 5/2, 3/8" NPT, Single Input

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $220.50
    $220.50 - $220.50
    Current price $220.50

    The Sealco 527061 directional control valve is a 5-port, 2-position, single-pressure-input air valve with 3/8-inch NPT ports. Its 12VDC solenoid, o...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $220.50
    $220.50 - $220.50
    Current price $220.50
  • 18 in stock

    Sealco 140380 Pressure Protection Valve, 1/4" NPT, 70 PSI

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $30.00
    $30.00 - $30.00
    Current price $30.00

    The Sealco 140380 pressure protection valve helps isolate air brake reservoirs and the auxiliary air devices supplied by them when a connected comp...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $30.00
    $30.00 - $30.00
    Current price $30.00
  • 14 in stock

    Sealco FM5602 MD55 J560 7-Pin Socket Harness, 60-Inch

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $52.25
    $52.25 - $52.25
    Current price $52.25

    The Sealco FM5602 front main socket harness connects a MD55 J560 7-pin socket to a 60-inch CA19 cable section. This replacement assembly is selecte...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $52.25
    $52.25 - $52.25
    Current price $52.25
  • 8 in stock

    Sealco FM5703 TM53 7-Pin RV Blade Socket Harness, 60-Inch

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $50.50
    $50.50 - $50.50
    Current price $50.50

    The Sealco FM5703 front main socket harness connects a TM53 7-pin RV blade socket to a 60-inch CA29 cable section. This replacement assembly is sel...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $50.50
    $50.50 - $50.50
    Current price $50.50
  • 4 in stock

    Sealco FM5575 MD55 J560 7-Pin Socket Harness, 60-Inch

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $93.50
    $93.50 - $93.50
    Current price $93.50

    The Sealco FM5575 front main socket harness connects a MD55 J560 7-pin socket to a 60-inch CA19 cable section. This replacement assembly is selecte...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $93.50
    $93.50 - $93.50
    Current price $93.50
  • 10 in stock

    Sealco TM38 7-Terminal Post Junction Box

    Sealco
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $10.00
    $10.00 - $10.00
    Current price $10.00

    The Sealco TM38 7-terminal post junction box provides an enclosed connection point for a wiring system that requires seven terminal posts. Its remo...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $10.00
    $10.00 - $10.00
    Current price $10.00
  • 2 in stock

    Sealco 110500 Spring Brake Control Valve, 3/8" NPT, 1/2" Reservoir

    Sealco
    Original price $95.46
    Original price $95.46 - Original price $95.46
    Original price $95.46
    Current price $60.50
    $60.50 - $60.50
    Current price $60.50

    The Sealco 110500 spring brake control valve directs tractor supply air to the spring brake chambers first, allowing the spring brakes to release b...

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    Original price $95.46
    Original price $95.46 - Original price $95.46
    Original price $95.46
    Current price $60.50
    $60.50 - $60.50
    Current price $60.50
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