HomeBelts and Cooling > Water Pump and Related ComponentsUS Motor Works US8179 Engine Water Pump
Part #: US8179

US Motor Works US8179 Engine Water Pump

⚙️ 15 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus and Toyota, NX300h and RAV4
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Reliable Engine Water Pump for Lexus NX300h and Toyota RAV4

The US Motor Works US8179 engine water pump is designed to maintain optimal engine temperature for your Lexus NX300h or Toyota RAV4. This replacement part ensures consistent coolant circulation, helping prevent overheating and engine damage.

Key Features of the US Motor Works US8179 Water Pump

  • Compatible with Lexus NX300h and Toyota RAV4 models
  • Engineered for efficient coolant flow and temperature regulation
  • Durable construction for long-lasting performance
  • Direct replacement for original equipment water pumps
  • Part number US8179 for accurate identification

Detailed Description of the US8179 Engine Water Pump

The US Motor Works US8179 engine water pump is a critical component in the cooling system of select Lexus and Toyota vehicles. It circulates coolant through the engine block and radiator, maintaining the engine’s operating temperature within safe limits. Designed to meet or exceed OEM specifications, this water pump offers reliable performance and durability. Its precise fitment for Lexus NX300h and Toyota RAV4 models ensures straightforward installation and proper function without modification.

Common Issues Addressed by This Water Pump

  • Engine overheating due to coolant circulation failure
  • Coolant leaks from a worn or damaged water pump seal
  • Unusual noises indicating bearing or impeller wear
  • Reduced engine efficiency caused by inadequate cooling
  • Potential engine damage from prolonged overheating

Installation Notes and Tips

When installing the US Motor Works US8179 water pump, ensure the cooling system is fully drained before removal of the old pump. Inspect the mounting surface for debris or damage to guarantee a proper seal. Use a new gasket or sealant as recommended by the vehicle manufacturer. After installation, refill the cooling system and bleed any trapped air to prevent overheating. Verify proper operation by monitoring engine temperature during initial startup and test drive.

Quality Assurance and Warranty Information

US Motor Works manufactures the US8179 water pump to meet industry standards for quality and reliability. While specific warranty details are not provided here, US Motor Works products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer documentation for exact warranty terms.

This part fits 15 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2021LexusNX300hLuxury2.5LL4N/A
2020LexusNX300hLuxury2.5LL4N/A
2019LexusNX300hBaseN/A
2018LexusNX300hBaseN/A
2018ToyotaRAV4Hybrid XLEN/A
2018ToyotaRAV4Hybrid SEN/A
2018ToyotaRAV4Hybrid LimitedN/A
2017LexusNX300hBaseN/A
2017ToyotaRAV4Hybrid XLEN/A
2017ToyotaRAV4Hybrid SEN/A
2017ToyotaRAV4Hybrid LimitedN/A
2016LexusNX300hBaseN/A
2016ToyotaRAV4Hybrid XLEN/A
2016ToyotaRAV4Hybrid LimitedN/A
2015LexusNX300hBaseN/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:

16100-3957541213

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