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Auxiliary Water Pump
Auxiliary Water Pump
Auxiliary Water Pump
Auxiliary Water Pump

Bosch Auxiliary Water Pump - 0-392-023-044

BOSCH
Disponibilité:
5 + en stock, prêt à être expédié

Ships same or next business day

UGC 0-392-023-044
$83.63 - $83.63
$83.63
$83.63 - $83.63
$83.63
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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BOSCH

Auxiliary Water Pump

This product also goes by these part numbers: 204 835 02 64, 2048350264, 0-392-023-044, 0392023044

This part also goes by the following cross reference.

Cross Reference Part Number: 2048350264

Fits These Vehicles 19 applications
Mercedes-Benz
Make Model Engine Years
Mercedes-Benz SL550 4.7V8 2013–2020
Mercedes-Benz SL450 3.0V6 2017–2020
Mercedes-Benz SL63 AMG 5.5V8 2013–2019
Mercedes-Benz SL65 AMG 6.0V12 2013–2018
Mercedes-Benz E550 4.7V8 2012–2017
Mercedes-Benz E400 3.0V6 2015–2017
Mercedes-Benz SLK55 AMG 5.5V8 2012–2016
Mercedes-Benz SL400 3.0V6 2015–2016
Mercedes-Benz GLK350 3.5V6 2010–2015
Mercedes-Benz GLK250 2.1L4 2013–2015
Mercedes-Benz E400 3.5V6 2015–2015
Mercedes-Benz C63 AMG 6.3V8 2008–2015
Mercedes-Benz C350 3.5V6 2008–2015
Mercedes-Benz C250 1.8L4 2012–2015
Mercedes-Benz E350 3.5V6 2010–2014
Mercedes-Benz C300 3.5V6 2013–2014
Mercedes-Benz E350 3.0V6 2011–2013
Mercedes-Benz C300 3.0V6 2008–2012
Mercedes-Benz E550 5.5V8 2010–2011

Fitment data last updated: 2026-06-30

Fits 19 vehicle applications Check vehicle fitment before ordering View fitment

About this Water Pump

The BOSCH 0-392-023-044 water pump circulates coolant through the engine, radiator and heater. If it leaks or stops pumping, the engine can overheat quickly, so water pumps are often replaced preventively on high-mileage cars.

Frequently asked questions

What does a water pump do?

It pushes coolant around the cooling system so heat can be carried from the engine to the radiator. Many modern European engines use electric water pumps, and some also have an auxiliary pump for the heater or turbocharger.

What are the signs of a failing water pump?

Coolant leaking from the pump or its weep hole, a whining or grinding noise from a belt-driven pump, the engine temperature rising, heater output dropping, or a warning message from an electric pump.

What should I replace along with the water pump?

Replace the gasket or O-rings and any single-use bolts. On belt-driven pumps it is a good time to replace the drive belt, tensioner and idler pulleys; on timing-belt-driven pumps, replace the pump with the timing belt.

How do I refill and bleed the system?

Fill with the coolant your car's manufacturer specifies and bleed the air out following your car's procedure. Cars with electric water pumps often need a bleed routine run through the car or a diagnostic tool.

How do I make sure this water pump fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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