URO 1668301400 HVAC Heater Hose - Auxiliary Water Pump To Expansion Tank
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URO 1668301400 HVAC Heater Hose - Auxiliary Water Pump To Expansion Tank

Brand URO 1668301400
Position Auxiliary Water Pump To Expansion Tank
Fits Mercedes-Benz · 12 vehicles

Cross-references URO 1668301400, 166 830 1400 and URO-018573 for the same application. See all 3.

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HVAC Heater Hose for Mercedes-Benz Applications

URO HVAC heater hose part number 1668301400 is a replacement hose for the coolant circuit connection between the auxiliary water pump and the expansion tank. It is listed for select Mercedes-Benz GLS550, GL550, GL450, and ML550 applications with specific equipment exclusions.

Key Features

  • Replacement HVAC heater hose for coolant transfer between system components.
  • Direct-fit application coverage for select Mercedes-Benz models.
  • Part number 1668301400 for easy identification and ordering.
  • Cross-references URO-018573 and 166 830 1400 for the same application.

Fitment Details

  • Fits 2017-2019 Mercedes-Benz GLS550, Auxiliary Water Pump To Expansion Tank, not for cars with Heated Windshield Washer System (Code 875).
  • Fits 2013-2016 Mercedes-Benz GL550, Auxiliary Water Pump To Expansion Tank, not for cars with Heated Windshield Washer System (Code 875).
  • Fits 2013-2014 Mercedes-Benz GL450, Auxiliary Water Pump To Expansion Tank, not for cars with Heated Windshield Washer System (Code 875).
  • Fits 2012-2014 Mercedes-Benz ML550, Auxiliary Water Pump To Expansion Tank, not for cars with Heated Windshield Washer System (Code 875).

What It Helps Address

  • Coolant hose leakage at the auxiliary water pump connection.
  • Cracked or deteriorated hose material in the HVAC coolant circuit.
  • Improper fitment when replacing the original hose assembly.
  • Service interruptions caused by a damaged hose between the pump and expansion tank.

Installation Notes and Tips

Verify the vehicle equipment code before ordering, since this hose is not for vehicles with Heated Windshield Washer System (Code 875). Confirm the routing and connection points against the original hose before installation. Use the part number 1668301400 to match the correct application.

Quality Assurance

URO Parts replacement components are manufactured to meet or exceed OEM specifications for European vehicles. The brand is positioned as an aftermarket alternative to dealer-priced genuine parts, and part number 1668301400 is supported by URO interchange references for application matching.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2019Mercedes-BenzGLS550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2018Mercedes-BenzGLS550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2017Mercedes-BenzGLS550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2016Mercedes-BenzGL550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2015Mercedes-BenzGL550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2014Mercedes-BenzGL450Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2014Mercedes-BenzGL550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2014Mercedes-BenzML550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2013Mercedes-BenzGL450Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2013Mercedes-BenzGL550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2013Mercedes-BenzML550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
2012Mercedes-BenzML550Auxiliary Water Pump To Expansion TankNot for cars with Heated Windshield Washer System (Code 875)
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
URO — 1668301400166 830 1400URO-018573