Water Pump for Semi Truck: 5 Top Picks Compared

When your semi truck needs a water pump, you’re not just moving water—you’re keeping your rig running or your job site dry. From engine cooling to dewatering, the right pump saves time and money.

This guide compares five top water pumps for semi trucks, covering gas-powered semi-trash pumps, engine-specific replacements, and portable options. You’ll find the best fit for your specific task.

BILT HARD Semi Trash Pump – Complete Kit for Heavy Duty

The BILT HARD Semi Trash Pump is a complete solution for moving large volumes of water on job sites. It comes with a 50-foot discharge hose, 12-foot suction hose, cam lock coupler, filter, and all necessary fittings, so you won’t need to buy extra parts. The 7HP 212cc 4-stroke engine delivers 158 GPM at 3800 RPM, making it capable of handling ground water removal, irrigation, and pool draining with ease.

With a 2-inch inlet and outlet, this pump achieves a total head lift of 91 feet and a suction head lift that handles typical semi-trash water. The EPA-certified engine is air-cooled and horizontal single-cylinder, designed for reliable operation. If you need a powerful, ready-to-run pump for demanding dewatering tasks, this kit saves setup time and provides robust performance.

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• Complete Fittings – 50 ft discharge hose, 12 ft suction hose, cam lock coupler, filter, oil funnel, spark plug socket, clamps, fittings and adapters, when connecting hoses to water pump, Use sealing tape in case leaking.
• Engine Type – This BILT HARD semi trash gas water pump is equipped with a 7HP 212cc 3800 RPM horizontal single cylinder, 4 stroke OHV engine. This air-cooled gasoline engine is EPA Phase III compliant and features low oil shutoff and idle control.
• Efficient – 158GPM (gallons per minute) maximum delivery, enough to cope with the work to removing job site ground water, irrigation, draining pools.
• Head Lift – This water transfer pump has a 2-inch inlet, a 2-inch outlet, total head lift of 91 feet and suction head lift of 26 feet.
• Warranty – This water pump is free from defects in materials and workmanship 90 days from the date of purchase. The pump you received may have oil stains, which is caused by the test and does not affect the use. Amazon doesn't deal with the return of gasoline-related products, so if you have any questions, please contact us via Amazon email or our official website directly.

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Digury Camping Shower – Portable Shower for Truckers

The Digury Portable Camping Shower Kit is a compact solution for personal hygiene on the road. It includes a 5-gallon water jug made from BPA-free PE plastic, plus a 6000mAh rechargeable pump with an IPX7 waterproof-sealed interface. The 2025 design integrates the battery internally, so there’s no external battery pack to manage. Simply connect the hose, place the pump in water, and press the switch for a steady shower.

This kit offers adjustable shower modes with both a shower head and a spray gun, giving you flexibility for rinsing dishes or washing gear. The pump is easy to store and operate, making it ideal for truckers who want a quick, clean shower at campsites or rest stops. While not for heavy-duty water transfer, it excels as a portable, self-contained shower system.

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• Portable Camping Shower Kit: Outdoor camping shower with a 5 gallon water jug made from high-quality PE plastic, ensuring fresh, contaminant-free water. It’s environmentally friendly, free of BPA, PVC, and DEHP, keeping your water safe and pure. This water container design features thicker, more durable walls built to withstand tough outdoor conditions, delivering reliable performance on every adventure.
• Upgraded Water Pump: The new 2025 design features a IPX7 waterproof-sealed interface and an integrated internal battery, eliminating the hassle of external battery setups. The built-in LED display clearly shows both battery level and real-time water temperature (32–140°F; non-heating). Equipped with a high-capacity 6000mAh rechargeable battery, this pump delivers 90 to 140 minutes of continuous use.
• Easy to Use & Store – Just connect the pump and shower head to the hose, place the pump fully in water, and press the switch to start your shower. Quick Tips for Best Performance: 1. Place the pump into a full bucket of water. 2. Wait until air bubbles stop coming out of the pump. 3. Turn on the pump and water will start flowing. Note: If you turn on the pump first and then fill it with water, there will be no water coming out. Then it will not work properly.
• Adjustable Shower Modes: This portable shower pump includes both a shower head and a spray gun attachment, offering four flow settings: Soft, General, Power, and Spray Gun (just remove the shower head to switch). The shower head holder easily hangs or sticks to smooth surfaces—no tools needed—so you can rinse hands-free. A built-in PP filter helps remove mud, dust, and other particles from the water, keeping your skin cleaner.
• Multiple Uses: More than just a shower, this versatile kit is perfect for both indoor and outdoor use. Ideal for camping, hiking, beach trips, BBQs, pet bathing, car washing, plant watering, and more. All accessories fit into the included mesh black bags for easy transport. It’s the ultimate all-in-one solution for staying clean and refreshed wherever you go.

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NorthStar Semi-Trash Pump – Industrial Capacity

The NorthStar Semi-Trash Pump is built for serious water removal with its 4-inch ports and 23,040 GPH capacity. It can handle solids up to 3/4 inch in diameter, making it suitable for muddy water or light debris on construction sites. The cast iron impeller and volute provide long-lasting durability, while the silicon carbide mechanical seal resists corrosion, wear, and heat better than standard seals.

With a 23-foot maximum suction lift and multi-directional discharge, this pump offers flexibility in positioning. It’s designed for semi-trash operations where you need to move large volumes of water quickly. Keep in mind that this is a heavy, industrial-grade unit without hoses included, so you’ll need to supply your own connections. For high-capacity dewatering with solid handling, the NorthStar is a workhorse.

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• Long-life silicon carbide mechanical seal resists corrosion, wear and heat better than a standard seal
• Multi-directional discharge
• 23-ft. max. suction lift
• Cast iron impeller and volute last longer for semi-trash operations
• Silicon carbide seals are 2 times harder, 15% tougher, and 50% stronger than common aluminum oxide seals

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Fortpro Water Pump – Direct Fit for Mack & Volvo

The Fortpro Water Pump is a precision-engineered replacement designed specifically for Mack MP7/MP8 and Volvo D11/D13 engines. It’s built to withstand extreme conditions, ensuring reliable cooling system performance in heavy-duty trucks. Before purchasing, verify compatibility with your engine model, as this pump is not a universal fit. The construction focuses on durability and proper fitment to prevent leaks and maintain coolant flow.

This pump is a high-quality aftermarket part that meets OEM specifications, making it a cost-effective alternative to dealer parts. It’s ideal for truck owners or fleet managers who need a direct replacement for a failing water pump. While it won’t work for dewatering or transfer tasks, it’s essential for keeping your semi truck’s engine running cool and efficiently on long hauls.

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• Very Important: Please Verify this product Description and Compatibility before Buying
• Compatible with Mack MP7/MP8 & Volvo D11/D13 Engines
• High-Quality Replacement Parts Built to Last Extreme Conditions
• Precise Construction Ensuring Proper Fit
• Replacement for Mack 85124623 Water Pump

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Figpade Fuel Transfer Pump – Manual Siphon for Fluids

The Figpade Fuel Transfer Pump is a manual siphon pump designed for transferring gasoline, oil, or water. It features an upgraded large-diameter hose and brass extenders for improved flow, and a semi-automatic operation: squeeze the pump ball 3 to 5 times to start the siphon, then remove the pump and let gravity do the work. The kit includes a 2.63-foot short siphon and a 3.94-foot long siphon, plus a pinch clip and extension nozzle for secure connections.

This pump is ideal for transferring fuel from a gas can to your truck, or for draining water from tanks. The metal buckles provide superior fixation, and the shut-off clip prevents spills. While it’s not motorized, the simple design means no batteries or maintenance. For quick, manual fluid transfers on the road, this siphon pump is a handy tool to keep in your truck.

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• Large Flow: The water transfer pump comes with upgraded large-diameter hose and brass extenders, allows you to say bye to small port flow from now on. Improving sealing, dramatically increasing the transfer speed, increasing your daily work efficiency
• Semi-Automatic Work: By squeezing the pump ball of transmission fluid pump to form the siphon principle, it liberates the hands, metal buckles provide superior fixation, shut-off clip terminates the work of transporting at any time according to your needs
• Simple Operation: Connect hose to rubber pump both ends, insert the input end in source liquid, squeeze rubber pump 3 to 5 times, pinch the hose and remove the pump placing hose end in target container with source fluid must be at least 11" higher than it
• Versatile Use: We have 1*2.63 feet short siphon and 1*3.94 feet long siphon with an overall length of 6.5 feet and equipped with 1.60 inches brass extension nozzles. It can be used to transfer not only water, but also be used to engine oil, and more
• Easy Maintenance: The gasoline transfer pump is easy to clean. Simply drain out the drain hose and pump ball in the residual liquid, and then clean it. No cumbersome operation, at the same time, the siphon pump has a small footprint and is easy to carry

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Buyer’s Guide: What to Consider

Choosing the right water pump for your semi truck depends on your specific needs, from engine cooling to job site dewatering. This guide covers key factors to help you decide.

• Flow Rate & Head Lift: Match the pump's flow rate (GPM) and head lift to your task. Higher GPM moves water faster, while greater head lift handles vertical distance.
• Compatibility & Application: Ensure the pump is compatible with your semi truck's engine model (e.g., Mack MP7/MP8) or the type of water you'll pump (clean, semi-trash).
• Portability & Kit Completeness: For portable use, consider weight, hose length, and included fittings. A complete kit saves time and ensures you have everything needed.
• Build Quality & Durability: Look for durable materials like cast iron impellers, silicon carbide seals, and corrosion-resistant components for long-term reliability.
• Power Source & Certifications: For engine-driven pumps, check EPA certification and engine displacement. For electric pumps, battery capacity and waterproof rating matter.

Conclusion

Whether you need a heavy-duty semi-trash pump for job sites or a precise engine water pump for your Mack or Volvo, the right choice depends on your specific application. The BILT HARD offers a complete kit for high-volume dewatering, while the NorthStar handles larger solids. For engine cooling, the Fortpro is a direct fit for Mack and Volvo trucks.

Consider your primary use—be it irrigation, camping, or fuel transfer—and match the pump’s features to your needs. All five options provide reliable performance in their respective categories.