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Mercedes-Benz E320 Water Pump

17 items

Keep your vehicle's engine running smoothly with A-Premium's reliable water pumps. Trust our high-quality parts for the best performance and durability.

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Engine Water Pump with Gasket for Mercedes-Benz E320 CL500 ML430 ML500 S430Engine Water Pump with Gasket for Mercedes-Benz E320 CL500 ML430 ML500 S430
A-Premium®Part # WP032
Engine Water Pump with Gasket for Mercedes-Benz E320 CL500 ML430 ML500 S430
4.7172 Reviews
$63.99
Low stock: Only 5 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1998 - 2003 Mercedes-Benz CLK320, 2000 - 2003 Mercedes-Benz ML55 AMG, 2001 - 2002 Mercedes-Benz S55 AMG, 2005 - 2006 Mercedes-Benz C55 AMG, 2001 - 2003 Mercedes-Benz SLK320, 2001 - 2006 Mercedes-Benz CLK55 AMG, 2000 - 2000 Mercedes-Benz S430, 1999 - 2002 Mercedes-Benz E55 AMG, 2001 - 2002 Mercedes-Benz CL55 AMG, 2002 - 2008 Mercedes-Benz G500, 1998 - 1999 Mercedes-Benz E430, 1998 - 1999 Mercedes-Benz C280, 1999 - 2000 Mercedes-Benz CLK430, 2000 - 2000 Mercedes-Benz CL500, 1999 - 2000 Mercedes-Benz ML430, 1998 - 2000 Mercedes-Benz C43 AMG, 2002 - 2007 Mercedes-Benz ML500, 2006 - 2006 Mercedes-Benz CLS500, 2003 - 2005 Mercedes-Benz G55 AMG, 1998 - 2005 Mercedes-Benz E320
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
1122010301, 1122001401, 1122001101, 1122000201, AW9380
item #1003EC87
Show less
Engine Water Pump with Gasket for Jeep Grand Cherokee Dodge Freightliner 07-18
A-Premium®Part # APWP0229
Engine Water Pump with Gasket for Jeep Grand Cherokee Dodge Freightliner 07-18
4.7172 Reviews
$37.99
Low stock: Only 5 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2007 - 2009 Mercedes-Benz E320, 2012 - 2013 Mercedes-Benz E350, 2011 - 2011 Mercedes-Benz E350, 2007 - 2009 Mercedes-Benz GL320, 2013 - 2015 Mercedes-Benz GL350, 2010 - 2012 Mercedes-Benz GL350, 2007 - 2009 Mercedes-Benz ML320, 2013 - 2014 Mercedes-Benz ML350, 2010 - 2012 Mercedes-Benz ML350, 2007 - 2009 Mercedes-Benz R320, 2010 - 2012 Mercedes-Benz R350, 2012 - 2012 Mercedes-Benz S350, 2010 - 2018 Mercedes-Benz Sprinter 2500, 2010 - 2018 Mercedes-Benz Sprinter 3500, 2017 - 2017 Mercedes-Benz GLS350d, 2007 - 2009 Jeep Grand Cherokee, 2007 - 2009 Dodge Sprinter 2500, 2007 - 2009 Dodge Sprinter 3500, 2007 - 2018 Freightliner Sprinter 2500, 2007 - 2018 Freightliner Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
120-4400, AW6155, 42283, W2124M, 5175580AA, 6422000701, 6422001301, 6422001701, 
...View more
item #1003SNZG
Note
It fits V6 3.0L diesel vehicle only.
Show less
Engine Water Pump with Gasket for Mercedes-Benz C280 C320 CLK320 CLK430 E320
A-Premium®Part # APWP0096
Engine Water Pump with Gasket for Mercedes-Benz C280 C320 CLK320 CLK430 E320
4.7172 Reviews
$64.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2004 Chrysler Crossfire, 2001 - 2004 Mercedes-Benz C240, 1999 - 2000 Mercedes-Benz C280, 2004 - 2004 Mercedes-Benz C320, 2001 - 2004 Mercedes-Benz C320, 2001 - 2004 Mercedes-Benz CL500, 2004 - 2005 Mercedes-Benz CLK320, 1998 - 2002 Mercedes-Benz CLK320, 2003 - 2003 Mercedes-Benz CLK320, 2001 - 2003 Mercedes-Benz CLK430, 2003 - 2004 Mercedes-Benz CLK500, 1998 - 2002 Mercedes-Benz E320, 2003 - 2004 Mercedes-Benz E320, 2000 - 2002 Mercedes-Benz E430, 1999 - 1999 Mercedes-Benz E430, 2003 - 2004 Mercedes-Benz E500, 2002 - 2004 Mercedes-Benz G500, 1998 - 2003 Mercedes-Benz ML320, 2003 - 2005 Mercedes-Benz ML350, 2001 - 2001 Mercedes-Benz ML430
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
AW9379, 05097159AC, 1122000501, 1122001201, 1122001501, 5097158AA, PA5005, WP9243
item #1003ED5K
Show less
Engine Water Pump with Gasket for Mercedes-Benz E320 W211 2005 2006 L6 3.2L Diesel
A-Premium®Part # APWP0582
Engine Water Pump with Gasket for Mercedes-Benz E320 W211 2005 2006 L6 3.2L Diesel
4.7172 Reviews
$66.99
Low stock: Only 3 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2005 - 2006 Mercedes-Benz E320
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
ConditionNew
item #101841CW
Note
【Note-1】 This item only fits the model with DIESEL, not fit GAS.
【Note-2】 This item comes with Gasket.
Show less
Engine Water Pump for Mercedes-Benz C280 300SE E320 S320 SL320 2.8L 3.2L 3.6L
A-Premium®Part # APWP0404
Engine Water Pump for Mercedes-Benz C280 300SE E320 S320 SL320 2.8L 3.2L 3.6L
4.7172 Reviews
$84.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1992 - 1993 Mercedes-Benz 300SE, 1994 - 1994 Mercedes-Benz C280, 1995 - 1995 Mercedes-Benz C280, 1995 - 1995 Mercedes-Benz C36 AMG, 1995 - 1996 Mercedes-Benz E320, 1997 - 1997 Mercedes-Benz E320, 1994 - 1999 Mercedes-Benz S320, 1994 - 1995 Mercedes-Benz SL320
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
147-2190, AW9343, 43171, 43267, 1042001301, 1042002701, 1042003001, 1042003201, 
...View more
item #1005KTP9
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Engine Water Pump with Gasket for Mercedes-Benz E320 2007-2009 3.0L GL320 ML320
A-Premium®Part # APWP0302
Engine Water Pump with Gasket for Mercedes-Benz E320 2007-2009 3.0L GL320 ML320
4.7172 Reviews
$41.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2007 - 2009 Mercedes-Benz E320, 2011 - 2011 Mercedes-Benz E350, 2012 - 2013 Mercedes-Benz E350, 2007 - 2009 Mercedes-Benz GL320, 2013 - 2015 Mercedes-Benz GL350, 2010 - 2012 Mercedes-Benz GL350, 2007 - 2009 Mercedes-Benz ML320, 2013 - 2014 Mercedes-Benz ML350, 2010 - 2012 Mercedes-Benz ML350, 2007 - 2009 Mercedes-Benz R320, 2010 - 2012 Mercedes-Benz R350, 2012 - 2013 Mercedes-Benz S350, 2010 - 2017 Mercedes-Benz Sprinter 2500, 2010 - 2017 Mercedes-Benz Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
147-2380, US6349, 19253274, 6422001001, PA10110
item #1003SRNG
Note
This item comes with 8 groove pulley.
Show less
Vaico V30-50039 Engine Water Pump
VaicoPart # V30-50039
Vaico V30-50039 Engine Water Pump
41 Reviews
$151.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2002 Mercedes-Benz CLK320, 1998-2003 Mercedes-Benz E320, 1999-2001 Mercedes-Benz E55 AMG, 1999-2001 Mercedes-Benz ML430, 2000-2001 Mercedes-Benz ML55 AMG, 2001-2002 Mercedes-Benz CL55 AMG, 2001-2002 Mercedes-Benz CLK55 AMG, 2001-2002 Mercedes-Benz S55 AMG, 2001-2003 Mercedes-Benz SLK320, 2002-2002 Mercedes-Benz E55 AMG, 2002-2003 Mercedes-Benz ML500, 2002-2003 Mercedes-Benz ML55 AMG, 2002-2008 Mercedes-Benz G500, 2003-2004 Mercedes-Benz CLK55 AMG, 2003-2004 Mercedes-Benz G55 AMG, 2004-2005 Mercedes-Benz E320, 2004-2006 Mercedes-Benz ML500, 2005-2006 Mercedes-Benz C55 AMG, 2005-2006 Mercedes-Benz CLK55 AMG, 2007-2007 Mercedes-Benz ML500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Part interchange
V30-50039, 376800761, 112200140180, 1122001401, 22164, 1122000110, 1122000201, 1122001101, 
...View more
item #100102D6
Note
with gaskets/seals, with water pump seal ring
Show less
Beck/Arnley 039-4178 Engine Water Pump Gasket
Beck/ArnleyPart # 039-4178
Beck/Arnley 039-4178 Engine Water Pump Gasket
4.434 Reviews
$18.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Mercedes-Benz C280, 1998-2000 Mercedes-Benz C43 AMG, 1998-2002 Mercedes-Benz CLK320, 1998-2002 Mercedes-Benz E430, 1998-2003 Mercedes-Benz E320, 1998-2003 Mercedes-Benz ML320, 1999-1999 Mercedes-Benz CLK430, 1999-2000 Mercedes-Benz C280, 1999-2001 Mercedes-Benz E55 AMG, 1999-2001 Mercedes-Benz ML430, 2000-2001 Mercedes-Benz ML55 AMG, 2000-2002 Mercedes-Benz CLK430, 2000-2002 Mercedes-Benz S430, 2000-2002 Mercedes-Benz S500, 2000-2002 Mercedes-Benz SL500, 2000-2006 Mercedes-Benz CL500, 2001-2002 Mercedes-Benz C240, 2001-2002 Mercedes-Benz C320, 2001-2002 Mercedes-Benz CL55 AMG, 2001-2002 Mercedes-Benz CLK55 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
039-4178
item #1000X672
Show less
Beck/Arnley 131-2266 Engine Water Pump
Beck/ArnleyPart # 131-2266
Beck/Arnley 131-2266 Engine Water Pump
4.434 Reviews
$160.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2002 Mercedes-Benz CLK320, 1998-2002 Mercedes-Benz E430, 1998-2003 Mercedes-Benz E320, 1999-2001 Mercedes-Benz E55 AMG, 1999-2001 Mercedes-Benz ML430, 2000-2001 Mercedes-Benz ML55 AMG, 2001-2002 Mercedes-Benz CL55 AMG, 2001-2002 Mercedes-Benz CLK55 AMG, 2001-2002 Mercedes-Benz S55 AMG, 2001-2003 Mercedes-Benz SLK320, 2002-2002 Mercedes-Benz E55 AMG, 2002-2003 Mercedes-Benz ML55 AMG, 2002-2005 Mercedes-Benz ML500, 2002-2008 Mercedes-Benz G500, 2003-2004 Mercedes-Benz CLK55 AMG, 2003-2004 Mercedes-Benz G55 AMG, 2004-2004 Mercedes-Benz E320, 2005-2005 Mercedes-Benz E320, 2005-2006 Mercedes-Benz C55 AMG, 2005-2006 Mercedes-Benz CLK55 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Part interchange
131-2266
item #1000XRD8
Show less
Beck/Arnley 039-4179 Engine Water Pump Gasket
Beck/ArnleyPart # 039-4179
Beck/Arnley 039-4179 Engine Water Pump Gasket
4.434 Reviews
$15.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2007-2009 Mercedes-Benz E320, 2007-2009 Mercedes-Benz GL320, 2007-2009 Mercedes-Benz ML320, 2007-2009 Mercedes-Benz R320, 2010-2012 Mercedes-Benz R350, 2010-2013 Mercedes-Benz Sprinter 2500, 2010-2013 Mercedes-Benz Sprinter 3500, 2010-2014 Mercedes-Benz ML350, 2010-2016 Mercedes-Benz GL350, 2011-2013 Mercedes-Benz E350, 2012-2013 Mercedes-Benz S350, 2014-2017 Mercedes-Benz Sprinter 2500, 2014-2017 Mercedes-Benz Sprinter 3500, 2017-2017 Mercedes-Benz GLS350d, 2018-2018 Mercedes-Benz Sprinter 2500, 2018-2019 Mercedes-Benz Sprinter 3500, 2019-2019 Mercedes-Benz Sprinter 3500XD, 2019-2020 Mercedes-Benz Sprinter 4500, 2019-2021 Mercedes-Benz Sprinter 2500, 2020-2021 Mercedes-Benz Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
039-4179
item #1000X5X1
Show less
Beck/Arnley 131-2330 Engine Water Pump
Beck/ArnleyPart # 131-2330
Beck/Arnley 131-2330 Engine Water Pump
4.434 Reviews
$152.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2005 Mercedes-Benz E320, 2006-2006 Mercedes-Benz E320
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Part interchange
131-2330
item #1000XT55
Show less
Vaico V30-50059 Engine Water Pump
VaicoPart # V30-50059
Vaico V30-50059 Engine Water Pump
41 Reviews
$157.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2007-2008 Mercedes-Benz GL320, 2007-2008 Mercedes-Benz ML320, 2007-2008 Mercedes-Benz R320, 2007-2009 Mercedes-Benz E320, 2009-2009 Mercedes-Benz GL320, 2009-2009 Mercedes-Benz ML320, 2010-2011 Mercedes-Benz GL350, 2010-2011 Mercedes-Benz ML350, 2010-2011 Mercedes-Benz R350, 2010-2011 Mercedes-Benz Sprinter 2500, 2010-2011 Mercedes-Benz Sprinter 3500, 2011-2013 Mercedes-Benz E350, 2012-2012 Mercedes-Benz R350, 2012-2013 Mercedes-Benz S350, 2012-2013 Mercedes-Benz Sprinter 2500, 2012-2013 Mercedes-Benz Sprinter 3500, 2012-2014 Mercedes-Benz ML350, 2012-2016 Mercedes-Benz GL350, 2014-2017 Mercedes-Benz Sprinter 2500, 2014-2017 Mercedes-Benz Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
V30-50059, 20963, 6422001301, 29848, 6422000701, 642200170180, 642200220164, 642200220187, 
...View more
item #100101W9
Note
with water pump seal ring
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ÜRO Parts 6422000701 Engine Water Pump, Main
ÜRO PartsPart # 6422000701
ÜRO Parts 6422000701 Engine Water Pump, Main
4.630 Reviews
$69.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2007-2008 Dodge Sprinter 2500, 2007-2008 Dodge Sprinter 3500, 2009-2009 Dodge Sprinter 2500, 2009-2009 Dodge Sprinter 3500, 2007-2008 Freightliner Sprinter 2500, 2007-2008 Freightliner Sprinter 3500, 2010-2013 Freightliner Sprinter 2500, 2010-2013 Freightliner Sprinter 3500, 2014-2016 Freightliner Sprinter 2500, 2014-2016 Freightliner Sprinter 3500, 2007-2009 Jeep Grand Cherokee, 2007-2008 Mercedes-Benz E320, 2007-2008 Mercedes-Benz GL320, 2007-2008 Mercedes-Benz ML320, 2007-2008 Mercedes-Benz R320, 2009-2009 Mercedes-Benz GL320, 2009-2009 Mercedes-Benz ML320, 2009-2009 Mercedes-Benz R320, 2010-2010 Mercedes-Benz GL350, 2010-2011 Mercedes-Benz ML350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Installation PositionMain
Part interchange
6422000701, 68047688AA, 68087367AA, 68087367AB, 5175580-AA, 6422001301, 6422002201, 6422001701, 
...View more
item #1000ZPNK
Show less
Vaico V30-50048 Engine Water Pump
VaicoPart # V30-50048
Vaico V30-50048 Engine Water Pump
41 Reviews
$177.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Mercedes-Benz C280, 1998-2000 Mercedes-Benz C43 AMG, 1998-2002 Mercedes-Benz CLK320, 1998-2002 Mercedes-Benz E430, 1998-2003 Mercedes-Benz E320, 1998-2003 Mercedes-Benz ML320, 1999-1999 Mercedes-Benz CLK430, 1999-2000 Mercedes-Benz C280, 2000-2002 Mercedes-Benz CLK430, 2000-2006 Mercedes-Benz CL500, 2000-2006 Mercedes-Benz S430, 2000-2006 Mercedes-Benz S500, 2000-2006 Mercedes-Benz SL500, 2001-2002 Mercedes-Benz C240, 2001-2003 Mercedes-Benz SLK320, 2001-2005 Mercedes-Benz C320, 2002-2008 Mercedes-Benz G500, 2003-2003 Mercedes-Benz CLK430, 2003-2003 Mercedes-Benz CLK500, 2003-2003 Mercedes-Benz ML350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Part interchange
V30-50048, 20762, 1122001001, 112200150180, 24208, 5102893AA, 5097158AA, 1122001201, 
...View more
item #10010566
Note
with seal
Show less
Beck/Arnley 131-2253 Engine Water Pump
Beck/ArnleyPart # 131-2253
Beck/Arnley 131-2253 Engine Water Pump
4.434 Reviews
$228.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Mercedes-Benz C280, 1998-2000 Mercedes-Benz C43 AMG, 1998-2002 Mercedes-Benz E430, 1998-2003 Mercedes-Benz CLK320, 1998-2003 Mercedes-Benz E320, 1998-2003 Mercedes-Benz ML320, 1999-1999 Mercedes-Benz CLK430, 1999-2000 Mercedes-Benz C280, 1999-2001 Mercedes-Benz ML430, 2000-2002 Mercedes-Benz CLK430, 2000-2006 Mercedes-Benz CL500, 2000-2006 Mercedes-Benz S430, 2000-2006 Mercedes-Benz S500, 2000-2006 Mercedes-Benz SL500, 2001-2003 Mercedes-Benz SLK320, 2001-2005 Mercedes-Benz C240, 2001-2005 Mercedes-Benz C320, 2002-2008 Mercedes-Benz G500, 2003-2003 Mercedes-Benz CLK430, 2003-2003 Mercedes-Benz CLK500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Part interchange
131-2253
item #1000XQE8
Show less
ÜRO Parts 1122000401 Engine Water Pump
ÜRO PartsPart # 1122000401
ÜRO Parts 1122000401 Engine Water Pump
4.630 Reviews
$92.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2000 Mercedes-Benz C280, 1998-2000 Mercedes-Benz C43 AMG, 1998-2002 Mercedes-Benz CLK320, 1998-2002 Mercedes-Benz E320, 1998-2003 Mercedes-Benz ML320, 1999-2001 Mercedes-Benz ML430, 1999-2002 Mercedes-Benz E55 AMG, 1999-2003 Mercedes-Benz CLK430, 2000-2002 Mercedes-Benz S430, 2000-2003 Mercedes-Benz ML55 AMG, 2001-2002 Mercedes-Benz CL55 AMG, 2001-2002 Mercedes-Benz S55 AMG, 2001-2004 Mercedes-Benz SLK320, 2001-2005 Mercedes-Benz C240, 2001-2006 Mercedes-Benz CLK55 AMG, 2002-2007 Mercedes-Benz ML500, 2002-2008 Mercedes-Benz G500, 2003-2003 Mercedes-Benz E320, 2003-2003 Mercedes-Benz E320, 2003-2004 Mercedes-Benz G55 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
Quantity1
Part interchange
1122000401, 1122001101, 1122001401, 1122000401, 131-2266, WPR0017, V30-50039, URO-000461
item #1000ZRU7
Show less
Beck/Arnley 131-2333 Engine Water Pump
Beck/ArnleyPart # 131-2333
Beck/Arnley 131-2333 Engine Water Pump
4.434 Reviews
$163.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2007-2008 Mercedes-Benz R320, 2007-2009 Mercedes-Benz E320, 2007-2009 Mercedes-Benz GL320, 2007-2009 Mercedes-Benz ML320, 2010-2012 Mercedes-Benz R350, 2010-2013 Mercedes-Benz Sprinter 2500, 2010-2013 Mercedes-Benz Sprinter 3500, 2010-2014 Mercedes-Benz ML350, 2010-2016 Mercedes-Benz GL350, 2011-2013 Mercedes-Benz E350, 2012-2013 Mercedes-Benz S350, 2014-2017 Mercedes-Benz Sprinter 2500, 2014-2017 Mercedes-Benz Sprinter 3500, 2016-2016 Mercedes-Benz GLE350d, 2017-2017 Mercedes-Benz GLS350d, 2018-2018 Mercedes-Benz Sprinter 2500, 2018-2019 Mercedes-Benz Sprinter 3500, 2019-2019 Mercedes-Benz Sprinter 3500XD, 2019-2020 Mercedes-Benz Sprinter 4500, 2019-2021 Mercedes-Benz Sprinter 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz E320
Item LocatedUnited States
QuantityOne Set
Part interchange
131-2333
item #1000XNXP
Show less

What does a water pump do in a car?

The water pump in your vehicle transports coolant from the radiator to the engine and then circulates it back to the radiator, restarting the cycle. This process is essential for maintaining a consistent engine temperature, regardless of external conditions.

As the coolant flows through the engine, it absorbs heat, causing it to warm up. To prevent the engine from overheating, the water pump ensures that the heated coolant is redirected back to the radiator, where it can cool down before re-entering the engine. Without this crucial function, your engine would be at risk of overheating.

Signs of a bad water pump

Signs of a failing or bad water pump in a car include:

  • Coolant leak: Puddles of coolant under your vehicle.
  • Engine overheating: Consistent high engine temperatures.
  • Low coolant levels: Frequent need to add coolant.
  • Unusual noise: Grinding, whining, or squeaking sounds from the engine area.
  • Heater performance issues: Reduced heat output inside the car.
  • Coolant contamination: Milky substance in oil or on the oil cap.
  • Steam or smoke: Emanating from the engine compartment.
  • Check engine light: Illuminated due to irregular engine temperature.
  • Visual inspection: Corrosion, rust, or coolant residue around the water pump.
  • Coolant whirlpool: Observable swirl in the radiator when the engine is cool.

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Jul 29, 2026

What does a water pump do in a car?

Have you ever wondered what a water pump does in a car? The answer is simpler than you might think: the water pump. Despite its small size, the water pump is an unsung hero in your vehicle’s cooling system.

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