Homeβ€Ί US Motor Works US99 Engine Water Pump
Part #: US99

US Motor Works US99 Engine Water Pump

119 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Fitment: Ram, 2500 and 3500
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Reliable Engine Water Pump for Ram 2500 and 3500

The US Motor Works US99 engine water pump is designed specifically for Ram 2500 and 3500 models. This component plays a critical role in maintaining your engine's cooling system by circulating coolant efficiently to prevent overheating.

  • Compatible with Ram 2500 and Ram 3500 trucks
  • Engine water pump part number US99
  • Precision-engineered for optimal coolant flow
  • Durable construction to withstand engine heat and pressure
  • Direct replacement for factory water pumps

Product Details and Specifications

The US Motor Works US99 engine water pump is engineered to meet the exact specifications required by Ram 2500 and 3500 vehicles. It ensures consistent coolant circulation through the engine block and radiator, helping maintain proper operating temperatures. This water pump is manufactured with quality materials to resist corrosion and wear, providing reliable performance over time. The part number US99 identifies this specific pump within the US Motor Works catalog, ensuring compatibility and ease of ordering.

Applications and Problem Solving

This engine water pump is used to replace faulty or worn pumps in Ram 2500 and 3500 trucks. It addresses several common cooling system issues, including:

  • Engine overheating due to insufficient coolant circulation
  • Coolant leaks from a damaged or worn water pump seal
  • Unusual noises caused by failing pump bearings
  • Reduced engine performance linked to cooling system failure
  • Preventative maintenance to avoid engine damage

Installation Notes and Tips

When installing the US Motor Works US99 water pump, ensure the engine is cool and the cooling system is properly drained. Clean the mounting surface thoroughly before installation to prevent leaks. Use a new gasket or sealant as recommended by the vehicle manufacturer. Torque all bolts to the specified values in the Ram 2500 or 3500 service manual. After installation, refill the cooling system and bleed air pockets to maintain proper coolant flow.

Quality Assurance and Warranty

US Motor Works manufactures the US99 engine water pump to meet industry standards for durability and performance. While specific warranty details may vary, US Motor Works typically offers coverage against defects in materials and workmanship. This ensures that the water pump will function reliably when installed in compatible Ram 2500 and 3500 models.

This part fits 119 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2025Ram2500Tradesman6.7LL6N/A
2025Ram3500Tradesman6.7LL6N/A
2024Ram2500Tradesman6.7LL6N/A
2024Ram3500Tradesman6.7LL6N/A
2023Ram2500Tradesman6.7LL6N/A
2023Ram3500Tradesman6.7LL6N/A
2022Ram2500Tradesman6.7LL6N/A
2022Ram3500Tradesman6.7LL6N/A
2021Ram2500Tradesman6.7LL6N/A
2021Ram3500Tradesman6.7LL6N/A
2020Ram2500TradesmanN/A
2020Ram2500Lone StarN/A
2020Ram2500LimitedN/A
2020Ram2500LaramieN/A
2020Ram2500Laramie LonghornN/A
2020Ram2500Big HornN/A
2020Ram3500TradesmanN/A
2020Ram3500SLTN/A
2020Ram3500Lone StarN/A
2020Ram3500LimitedN/A
2020Ram3500LaramieN/A
2020Ram3500Laramie LonghornN/A
2020Ram3500Big HornN/A
2019Ram2500TradesmanN/A
2019Ram2500Lone StarN/A
2019Ram2500LimitedN/A
2019Ram2500LaramieN/A
2019Ram2500Laramie LonghornN/A
2019Ram2500Big HornN/A
2019Ram3500TradesmanN/A
2019Ram3500SLTN/A
2019Ram3500Lone StarN/A
2019Ram3500LimitedN/A
2019Ram3500LaramieN/A
2019Ram3500Laramie LonghornN/A
2019Ram3500Big HornN/A
2018Ram2500TradesmanN/A
2018Ram2500SLTN/A
2018Ram2500LimitedN/A
2018Ram2500LaramieN/A
2018Ram2500Laramie LonghornN/A
2018Ram2500Big HornN/A
2018Ram3500TradesmanN/A
2018Ram3500SLTN/A
2018Ram3500LimitedN/A
2018Ram3500LaramieN/A
2018Ram3500Laramie LonghornN/A
2018Ram3500Big HornN/A
2017Ram2500TradesmanN/A
2017Ram2500SLTN/A
2017Ram2500LimitedN/A
2017Ram2500LaramieN/A
2017Ram2500Laramie LonghornN/A
2017Ram2500Big HornN/A
2017Ram3500TradesmanN/A
2017Ram3500SLTN/A
2017Ram3500Lone StarN/A
2017Ram3500LimitedN/A
2017Ram3500LaramieN/A
2017Ram3500Laramie LonghornN/A
2017Ram3500Big HornN/A
2016Ram2500TradesmanN/A
2016Ram2500SLTN/A
2016Ram2500OutdoorsmanN/A
2016Ram2500LimitedN/A
2016Ram2500LaramieN/A
2016Ram2500Laramie LonghornN/A
2016Ram2500Big HornN/A
2016Ram3500TradesmanN/A
2016Ram3500SLTN/A
2016Ram3500LimitedN/A
2016Ram3500LaramieN/A
2016Ram3500Laramie LonghornN/A
2016Ram3500Big HornN/A
2015Ram2500TradesmanN/A
2015Ram2500SLTN/A
2015Ram2500OutdoorsmanN/A
2015Ram2500Lone StarN/A
2015Ram2500LaramieN/A
2015Ram2500Laramie LonghornN/A
2015Ram2500Laramie LimitedN/A
2015Ram2500Big HornN/A
2015Ram3500TradesmanN/A
2015Ram3500SLTN/A
2015Ram3500Lone StarN/A
2015Ram3500LaramieN/A
2015Ram3500Laramie LonghornN/A
2015Ram3500Laramie LimitedN/A
2015Ram3500Big HornN/A
2014Ram2500TradesmanN/A
2014Ram2500SLTN/A
2014Ram2500OutdoorsmanN/A
2014Ram2500Lone StarN/A
2014Ram2500LaramieN/A
2014Ram2500Laramie LonghornN/A
2014Ram2500Laramie LimitedN/A
2014Ram2500Big HornN/A
2014Ram3500TradesmanN/A
2014Ram3500SLTN/A
2014Ram3500Lone StarN/A
2014Ram3500LaramieN/A
2014Ram3500Laramie LonghornN/A
2014Ram3500Laramie LimitedN/A
2014Ram3500Big HornN/A
2013Ram2500TradesmanN/A
2013Ram2500STN/A
2013Ram2500SLTN/A
2013Ram2500OutdoorsmanN/A
2013Ram2500Lone StarN/A
2013Ram2500LaramieN/A
2013Ram2500Laramie LonghornN/A
2013Ram2500Big HornN/A
2013Ram3500TradesmanN/A
2013Ram3500STN/A
2013Ram3500SLTN/A
2013Ram3500Lone StarN/A
2013Ram3500LaramieN/A
2013Ram3500Laramie LonghornN/A
2013Ram3500Big HornN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.