In-stock parts
Order by 2PM MST
In-stock parts
Order by 2PM MST
UnitedBuilt offers a wide range of hydraulic components designed to power and support water trucks, construction equipment, and industrial systems. Our selection includes hydraulic pumps and motors, reservoirs, fittings, adapters, and flow control components built for reliable performance in demanding applications.
We stock trusted brands such as Permco hydraulic pumps and motors, Buyers Products hydraulic tanks, and Gates hydraulic fittings, along with high-quality couplings and adapters designed specifically for water truck pump systems.
Whether you’re building a new system or maintaining existing equipment, our hydraulic components are selected for durability, compatibility, and consistent performance in real-world conditions.
All products are in stock and ready for fast shipping, helping you minimize downtime and keep your equipment operating efficiently.
Hydraulic Coupler 7/8" Spline 13 Tooth, (Key Sold Separately) UnitedBuilt S30636MS
Buyers Products Replacement Spring Mount Kit for UR50A and UR50S Reservoirs replaces the springs and bolts needed to mount the tanks. Mounting brac...
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Return-line filter is sold separately.The Buyers Products SMR37SQ 37-gallon side-mount hydraulic reservoir provides oil storage for truck and trail...
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Buyers 30 Gallon Side Mount Steel Reservoir The Buyers Products Side-Mounted Steel Reservoir features rugged, HRPO steel construction with a welded...
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Coupling only — not a hydraulic adapter kit or motor.The Franklin XS439 SAE B hydraulic shaft coupling, part 305462041, is a service component for ...
View full detailsBuyers Products SMR15SF10 is a side-mount hydraulic reservoir supplied with a 10-micron return-line filter. The filter ships separately from the ta...
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The UnitedBuilt Choice 4445-24-24 is a straight hose barb to jic swivel adapter with 1-1/2" hose ID x -24 female JIC 37-degree swivel.This straight...
View full detailsThe UnitedBuilt Choice 5404-16-16 is a straight hex nipple with 1" male NPTF x 1" male NPTF.Use this hex nipple to join two compatible female pipe ...
View full detailsThe UnitedBuilt Choice 5404-20-20 is a straight hex nipple with 1-1/4" male NPTF x 1-1/4" male NPTF.Use this hex nipple to join two compatible fema...
View full detailsThe UnitedBuilt Choice 5503-32-32 is a 45-degree street elbow with 2" male NPTF x 2" female NPTF.This street elbow makes a 45-degree change between...
View full detailsThe UnitedBuilt Choice 2605-12-12-12 is a run tee with -12 Male JIC x -12 Male NPTF x -12 Male JIC. Match the run and branch positions to your hose...
View full detailsFitting only; hose is sold separately.The Gates 4G-4MJ MegaCrimp coupling joins 1/4-inch hydraulic hose to a -4 male JIC 37-degree flare connection...
View full detailsThe UnitedBuilt Choice 6400-12-24-O is a straight port adapter with -12 Male JIC x -24 Male ORB. Use it to join the specified hydraulic connection ...
View full detailsThe UnitedBuilt Choice 2404-04-08 is a straight rigid adapter with -04 Male JIC x -08 Male NPTF. Use it to join the specified hydraulic connection ...
View full detailsThe UnitedBuilt Choice 6408-H12-O is a internal-hex orb plug with a -12 male SAE ORB connection.This internal-hex plug closes a matching SAE O-ring...
View full detailsThe UnitedBuilt Choice 5406-24-12 is a hex reducing bushing with 1-1/2" male NPTF x 3/4" female NPTF.This reducing bushing adapts a larger female p...
View full detailsThe UnitedBuilt Choice 6400-16-16-O is a straight port adapter with -16 Male JIC x -16 Male ORB. Use it to join the specified hydraulic connection ...
View full detailsThe UnitedBuilt Choice 5404-12-12 is a straight hex nipple with 3/4" male NPTF x 3/4" male NPTF.Use this hex nipple to join two compatible female p...
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The UnitedBuilt Choice 4404-24-24 is a straight hose shank adapter with 1-1/2" hose ID x 1-1/2" male NPTF.This straight adapter connects a compatib...
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The UnitedBuilt Choice 5406-P-16 is a external-hex pipe plug with a 1" male NPTF connection.This external-hex plug closes a compatible female taper...
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