24/7 Customer service
To make aftermarket auto parts an afterthought.
Add your vehicle
Address
Login
Cart
Item
$0.00
Add your vehicle to ensure fitment/Choose a yearRequired Fields
Select a different vehicle
Make/Model
VIN
Save

Freightliner 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.

  • All filters
  • Sort By
  • Year
  • Model
  • Price
  • Placement on Vehicle
  • Brand
  • Warranty
Engine Water Pump for Freightliner International Harvester Kenworth PeterbiltEngine Water Pump for Freightliner International Harvester Kenworth Peterbilt
A-Premium®Part # APWP0606
Engine Water Pump for Freightliner International Harvester Kenworth Peterbilt
4.7203 Reviews
$198.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2012 - 2012 Kenworth C500, 2011 - 2012 International Harvester 5500i, 2010 - 2014 Kenworth T800, 2009 - 2009 International Harvester WorkStar 7600, 2009 - 2009 Peterbilt 365, 2008 - 2009 International Harvester 5500i, 2008 - 2008 American LaFrance Condor, 2008 - 2008 Peterbilt 388, 2007 - 2007 Peterbilt 357, 2006 - 2007 International Harvester 9200i SBA, 2006 - 2006 International Harvester 8600 SBA, 2006 - 2006 Oshkosh Motor Truck Co. S, 2005 - 2006 Kenworth T800, 2005 - 2005 International Harvester 5500i, 2005 - 2005 Peterbilt 320, 2005 - 2005 Peterbilt 357, 2004 - 2005 International Harvester 7600, 2004 - 2004 Kenworth T600A, 2003 - 2003 Freightliner Condor, 2003 - 2003 Volvo VNL
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
2882145, 3103116, 3800745, 3800745RX, 4955708NX, 4965417, 4972850, 45055HD
ConditionNew
item #10154REX
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
4.7203 Reviews
$37.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2017 - 2017 Mercedes-Benz GLS350d, 2013 - 2015 Mercedes-Benz GL350, 2013 - 2014 Mercedes-Benz ML350, 2012 - 2013 Mercedes-Benz E350, 2012 - 2012 Mercedes-Benz S350, 2011 - 2011 Mercedes-Benz E350, 2010 - 2018 Mercedes-Benz Sprinter 2500, 2010 - 2018 Mercedes-Benz Sprinter 3500, 2010 - 2012 Mercedes-Benz GL350, 2010 - 2012 Mercedes-Benz ML350, 2010 - 2012 Mercedes-Benz R350, 2007 - 2018 Freightliner Sprinter 2500, 2007 - 2018 Freightliner Sprinter 3500, 2007 - 2009 Dodge Sprinter 2500, 2007 - 2009 Dodge Sprinter 3500, 2007 - 2009 Jeep Grand Cherokee, 2007 - 2009 Mercedes-Benz E320, 2007 - 2009 Mercedes-Benz GL320, 2007 - 2009 Mercedes-Benz ML320, 2007 - 2009 Mercedes-Benz R320
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
ConditionNew
item #1003SNZG
Note
It fits V6 3.0L diesel vehicle only.
Show less
Engine Water Pump for Freightliner Cascadia Sterling Truck Western Star Diesel
A-Premium®Part # APWP0567
Engine Water Pump for Freightliner Cascadia Sterling Truck Western Star Diesel
4.7203 Reviews
$92.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2024 - 2024 Freightliner Cascadia, 2023 - 2024 Freightliner 114SD, 2023 - 2023 Freightliner 122SD, 2022 - 2022 Freightliner 122SD, 2021 - 2021 Freightliner Cascadia, 2021 - 2021 Western Star 4900EX, 2021 - 2021 Western Star 4900EX, 2018 - 2018 Freightliner Cascadia, 2017 - 2019 Freightliner M2 112, 2017 - 2019 Freightliner Sport Chassis, 2016 - 2021 Western Star 5700XE, 2016 - 2019 Western Star 5700XE, 2016 - 2019 Western Star 5700XE, 2014 - 2020 Freightliner 122SD, 2014 - 2020 Freightliner 122SD, 2014 - 2019 Freightliner 122SD, 2014 - 2016 Freightliner Cascadia, 2014 - 2016 Freightliner Cascadia, 2013 - 2021 Western Star 4700SB, 2013 - 2021 Western Star 4700SF
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
A4722000401, EA4722000401, 44057HD
ConditionNew
item #10154RAS
Show less
Engine Water Pump with Gasket for Freightliner B2 Sterling Truck Acterra 6500
A-Premium®Part # APWP0313
Engine Water Pump with Gasket for Freightliner B2 Sterling Truck Acterra 6500
4.7203 Reviews
$142.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2006 - 2007 Freightliner B2, 2006 - 2007 Freightliner M2 106, 2006 - 2007 Freightliner MB Line, 2006 - 2006 Freightliner M2 100, 2004 - 2007 Freightliner MT55, 2004 - 2004 Freightliner M2 100, 2004 - 2004 Freightliner M2 106, 2003 - 2004 Freightliner FB65, 2003 - 2004 Sterling Truck Acterra, 2002 - 2007 Freightliner FS65, 2001 - 2007 Freightliner MT45, 2001 - 2004 Freightliner FL50, 2001 - 2003 Sterling Truck Acterra 5500, 2001 - 2003 Sterling Truck Acterra 6500, 2001 - 2003 Sterling Truck Acterra 7500, 2001 - 2001 Freightliner Century Class, 2000 - 2004 Freightliner FL60, 2000 - 2003 Freightliner FL70
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
138-4760, AW2126, 45053HD, 9042000401, A9042002601
ConditionNew
item #10046TQL
Show less
Engine Water Pump for Sterling Truck A9500 1999-2006 Volvo ACL 1996-2001 VNM WH
A-Premium®Part # APWP0375
Engine Water Pump for Sterling Truck A9500 1999-2006 Volvo ACL 1996-2001 VNM WH
4.7203 Reviews
$169.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2006 - 2006 Pierce Mfg. Inc. Dash, 2006 - 2006 Pierce Mfg. Inc. Dash, 2006 - 2006 Sterling Truck LT9500, 2003 - 2006 Sterling Truck A9500, 2003 - 2003 Volvo VNL, 2003 - 2003 Volvo VNM, 2002 - 2003 Motor Coach Industries J4500, 2002 - 2003 Van Hool C2045, 2002 - 2002 Motor Coach Industries 102D3, 2001 - 2003 Peterbilt 385, 2001 - 2001 New Flyer C40LF, 2001 - 2001 Volvo WAH, 2000 - 2007 Sterling Truck L9500, 2000 - 2006 Sterling Truck A9500, 2000 - 2003 Sterling Truck ST9500, 2000 - 2002 Volvo VNL, 2000 - 2002 Volvo VNM, 2000 - 2001 Volvo ACL, 2000 - 2001 Volvo VNL, 2000 - 2001 Volvo VNM
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
46002HD, 23522707, 23526039, 23539602
ConditionNew
item #1002KNTD
Show less
Engine Water Pump for Ford F-650 Bering Blue Bird Freightliner Kenworth Thomas
A-Premium®Part # APWP0604
Engine Water Pump for Ford F-650 Bering Blue Bird Freightliner Kenworth Thomas
4.7203 Reviews
$80.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2007 - 2007 Freightliner M2 106, 2005 - 2005 El Dorado E-Z Rider II, 2005 - 2005 Workhorse FasTrack FT1261, 2004 - 2007 Kenworth T300, 2004 - 2006 Freightliner MT35, 2004 - 2005 Freightliner FS65, 2004 - 2005 Freightliner M2 106, 2004 - 2005 Workhorse FasTrack FT1461, 2004 - 2005 Workhorse FasTrack FT1601, 2003 - 2005 Freightliner MT35, 2003 - 2005 Freightliner MT45, 2003 - 2003 Peterbilt 270, 2003 - 2003 Thomas Saf-T-Liner, 2003 - 2003 Thomas Transit Liner, 2002 - 2005 Freightliner XC, 2001 - 2003 Sterling Truck Acterra 6500, 2001 - 2003 Sterling Truck Acterra 7500, 2001 - 2003 Sterling Truck Acterra 8500, 2001 - 2003 Sterling Truck SC7000 Cargo, 2001 - 2003 Sterling Truck SC8000 Cargo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
3802923, 3802923RX, 3927015, 1201380
ConditionNew
item #10154TND
Show less
Engine Water Pump for Dodge Ram 2500 3500 Ford F-650 F-750 Freightliner L6 6.7L
A-Premium®Part # APWP0358
Engine Water Pump for Dodge Ram 2500 3500 Ford F-650 F-750 Freightliner L6 6.7L
4.7203 Reviews
$61.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2015 - 2015 Ford F-650, 2015 - 2015 Ford F-750, 2015 - 2015 Freightliner XBA, 2014 - 2015 Autocar LLC. Xpert, 2014 - 2014 Capacity Of Texas TJ9000, 2014 - 2014 Freightliner MCL, 2013 - 2015 Freightliner S2C, 2013 - 2014 Capacity Of Texas TJ7000, 2012 - 2015 Freightliner 108SD, 2012 - 2015 Freightliner XB Line, 2012 - 2012 Autocar LLC. Xpert, 2011 - 2015 Autocar LLC. Xspotter On Road, 2011 - 2015 Capacity Of Texas TJ5000, 2011 - 2015 Capacity Of Texas TJ6500, 2011 - 2012 Ram 2500, 2011 - 2012 Ram 3500, 2011 - 2012 Ram 4500, 2011 - 2012 Ram 5500, 2011 - 2011 Capacity Of Texas TJ9000, 2011 - 2011 Freightliner MCL
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
120-4410, AW6222, 68003402AA, 68003402AB, R8003402AA, R8003402AB
ConditionNew
item #1005G1H2
Show less
Water Pump with Gasket for Freightliner 114SD 2012-2023 Cascadia Western Star
A-Premium®Part # APWP0636
Water Pump with Gasket for Freightliner 114SD 2012-2023 Cascadia Western Star
4.7203 Reviews
$296.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2020 - 2022 Freightliner Cascadia, 2016 - 2022 Western Star 5700XE, 2016 - 2022 Western Star 5700XE, 2013 - 2023 Freightliner 122SD, 2013 - 2023 Western Star 4700SB, 2013 - 2023 Western Star 4700SF, 2013 - 2022 Freightliner 122SD, 2013 - 2015 Western Star 4800SF, 2012 - 2023 Freightliner 114SD, 2012 - 2023 Western Star 4800SB, 2011 - 2024 Freightliner Cascadia, 2011 - 2023 Western Star 4900EX, 2011 - 2018 Western Star 4900SA, 2011 - 2012 Western Star 6900XD, 2010 - 2018 Western Star 4900FA, 2010 - 2018 Western Star 4900FA, 2010 - 2018 Western Star 4900SA, 2008 - 2024 Freightliner Cascadia
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
ConditionNew
item #10187YZC
Note
This item comes with Electromagnetic Clutch.
Show less
Engine Water Pump with Gasket for Freightliner B2 FB65 Sterling Truck Acterra
A-Premium®Part # APWP0299
Engine Water Pump with Gasket for Freightliner B2 FB65 Sterling Truck Acterra
4.7203 Reviews
$113.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2007 - 2007 Freightliner S2, 2007 - 2007 Freightliner XC Straight Rail, 2006 - 2007 Freightliner XC Raised Rail, 2005 - 2008 Freightliner B2, 2005 - 2007 Sterling Truck LT7500, 2005 - 2005 Freightliner MT55, 2004 - 2010 Sterling Truck L7500, 2004 - 2007 Sterling Truck L8500, 2004 - 2007 Sterling Truck LT8500, 2004 - 2004 Freightliner Century Class, 2003 - 2007 Sterling Truck Acterra, 2002 - 2017 Freightliner M2 106, 2002 - 2006 Freightliner FB65, 2002 - 2005 Freightliner M2 100, 2001 - 2008 Freightliner FS65, 2001 - 2007 Sterling Truck Acterra 5500, 2001 - 2007 Sterling Truck Acterra 6500, 2001 - 2007 Sterling Truck Acterra 7500, 2001 - 2003 Freightliner Sport Chassis, 2001 - 2003 Sterling Truck Acterra 8500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
147-2290, AW2127, 45050HD, 9062004801, 9062006201, A9062001301, A9062001401, A9062002001, 
...View more
ConditionNew
item #10046R4S
Show less
Engine Water Pump for Ford L9000 1990-1997 LT9501 Freightliner L6 14.0L Diese
A-Premium®Part # APWP0374
Engine Water Pump for Ford L9000 1990-1997 LT9501 Freightliner L6 14.0L Diese
4.7203 Reviews
$149.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2002 - 2002 International Harvester 2674, 2001 - 2002 Freightliner Classic, 2001 - 2002 Freightliner Classic XL, 2001 - 2002 Freightliner Columbia, 2001 - 2002 International Harvester 9900ix SFA, 2001 - 2001 Freightliner FLD132, 2000 - 2002 International Harvester 5500i, 2000 - 2002 International Harvester 5600i, 2000 - 2002 International Harvester 5900i, 2000 - 2002 International Harvester 9100i SBA, 2000 - 2002 International Harvester 9200i SBA, 2000 - 2002 International Harvester 9400i SBA, 2000 - 2002 International Harvester 9900i, 2000 - 2002 International Harvester 9900i SFA, 2000 - 2002 International Harvester 9900ix, 1999 - 2002 Freightliner Argosy, 1999 - 2000 International Harvester 2554, 1999 - 2000 International Harvester 2654, 1999 - 1999 International Harvester 9900, 1999 - 1999 International Harvester 9900 SFA
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
44052HD, 3803605
ConditionNew
item #1005EY1H
Show less
Engine Water Pump for Ford F-650 2008-2013 F750 Freightliner Sterling Truck 6.7L
A-Premium®Part # APWP0412
Engine Water Pump for Ford F-650 2008-2013 F750 Freightliner Sterling Truck 6.7L
4.7203 Reviews
$67.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2018 - 2018 Freightliner S2RV, 2018 - 2018 Freightliner XBA, 2017 - 2018 Lion LionC, 2017 - 2018 Thomas Transit Liner, 2017 - 2017 Blue Bird SHL All American, 2017 - 2017 Grande West 33 Foot, 2017 - 2017 Temsa Bus TS30, 2016 - 2018 Capacity Of Texas Sabre 5, 2016 - 2018 Capacity Of Texas TJ9000, 2016 - 2018 Grande West 35 Foot, 2016 - 2018 IC Corporation 1300 FBC, 2016 - 2018 International Harvester 4300LP, 2016 - 2018 International Harvester 7300, 2016 - 2018 Kalmar Ottawa T2, 2016 - 2018 Thomas Saf-T-Liner, 2015 - 2018 Grande West 30 Foot, 2015 - 2018 New Flyer Xcelsior, 2015 - 2016 Freightliner XBA, 2015 - 2016 Grande West 27 Foot, 2015 - 2015 Ford F-650
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
196-2420
ConditionNew
item #1005EYA7
Show less
Engine Water Pump with Pulley for Mercedes-Benz C300 E300 Sprinter 1500 L4 2.0L
A-Premium®Part # APWP0580
Engine Water Pump with Pulley for Mercedes-Benz C300 E300 Sprinter 1500 L4 2.0L
4.7203 Reviews
$114.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2019 - 2023 Mercedes-Benz Sprinter 1500, 2019 - 2023 Mercedes-Benz Sprinter 2500, 2019 - 2021 Freightliner Sprinter 2500, 2019 - 2020 Freightliner Sprinter 1500, 2018 - 2020 Mercedes-Benz GLC350e, 2017 - 2020 Mercedes-Benz SLC300, 2017 - 2019 Mercedes-Benz E300, 2016 - 2019 Mercedes-Benz GLC300, 2016 - 2016 Mercedes-Benz SLK300, 2015 - 2018 Mercedes-Benz C300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
2742000307, 2742000900, 1471080
ConditionNew
item #10154P69
Show less
Engine Water Pump with Gasket for Dodge Freightliner Sprinter 2500 04-06 L5 2.7L
A-Premium®Part # APWP0159
Engine Water Pump with Gasket for Dodge Freightliner Sprinter 2500 04-06 L5 2.7L
4.7203 Reviews
$58.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2004 - 2006 Dodge Sprinter 2500, 2004 - 2006 Dodge Sprinter 3500, 2004 - 2006 Freightliner Sprinter 2500, 2004 - 2006 Freightliner Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
AW6007, W9700M, 1207220, V3050065, 05138057AA, 5138057AA, 6472000101, A6472000101
ConditionNew
item #1003EHQH
Show less
Engine Water Pump with Gasket for Dodge Sprinter 2500 Sprinter 3500 2003 2.7L
A-Premium®Part # APWP0038
Engine Water Pump with Gasket for Dodge Sprinter 2500 Sprinter 3500 2003 2.7L
4.7203 Reviews
$50.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2003 - 2003 Dodge Sprinter 2500, 2003 - 2003 Dodge Sprinter 3500, 2002 - 2003 Freightliner Sprinter 2500, 2002 - 2003 Freightliner Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
5103576AA, 5103576AB, 05103576AB, AW6008, 1207250, W9701M, 6112000501, 6112000801, 
...View more
ConditionNew
item #1003EETV
Show less
Engine Water Pump for Ford F-650 2008-2010 Freightliner MT45 2008-2009 L6 6.7L
A-Premium®Part # APWP0401
Engine Water Pump for Ford F-650 2008-2010 Freightliner MT45 2008-2009 L6 6.7L
4.7203 Reviews
$67.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2010 - 2013 Peterbilt 337, 2009 - 2010 Sterling Truck Acterra, 2008 - 2013 Peterbilt 210, 2008 - 2013 Peterbilt 330, 2008 - 2012 Kenworth T270, 2008 - 2012 Kenworth T370, 2008 - 2012 Peterbilt 325, 2008 - 2011 Freightliner B2, 2008 - 2010 Blue Bird All American FE, 2008 - 2010 Blue Bird All American RE, 2008 - 2010 Blue Bird Vision School Bus, 2008 - 2010 Ford F-650, 2008 - 2010 Ford F-750, 2008 - 2010 Freightliner M2 106, 2008 - 2010 Peterbilt 335, 2008 - 2009 Freightliner MT45, 2008 - 2009 Freightliner MT55, 2008 - 2009 Kenworth T170
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
196-2430
ConditionNew
item #1005EZVQ
Show less
Engine Water Pump with Gasket for Dodge Ram 2500 3500 Freightliner I6 5.9L
A-Premium®Part # WP034
Engine Water Pump with Gasket for Dodge Ram 2500 3500 Freightliner I6 5.9L
4.7203 Reviews
$40.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2007 - 2007 Sterling Truck LT9500, 2004 - 2005 Freightliner FS65, 2001 - 2001 Freightliner FL50, 2001 - 2001 Freightliner FL60, 2001 - 2001 Freightliner FL70, 2000 - 2005 Freightliner MT45, 1999 - 2001 Sterling SC7000 CARGO, 1998 - 1998 Ford L8501, 1997 - 2005 Freightliner MT35, 1996 - 1998 Freightliner FS65, 1995 - 1997 Freightliner FL50, 1994 - 2010 Dodge Ram 2500, 1994 - 2010 Dodge Ram 3500, 1993 - 1999 Ford F800, 1993 - 1997 Ford CF7000, 1993 - 1997 Ford F700, 1993 - 1997 Ford LN7000, 1993 - 1994 Ford F600, 1991 - 1997 Freightliner FL60, 1991 - 1997 Freightliner FL70
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
Quantity1
Part interchange
2881805, 3800984, 05086959AB, 120-3072, AW7145
ConditionNew
item #1003EDG7
Show less
ÜRO Parts 6422000701 Engine Water Pump, Main
ÜRO PartsPart # 6422000701
ÜRO Parts 6422000701 Engine Water Pump, Main
4.535 Reviews
$69.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2014-2017 Mercedes-Benz Sprinter 2500, 2014-2017 Mercedes-Benz Sprinter 3500, 2014-2016 Freightliner Sprinter 2500, 2014-2016 Freightliner Sprinter 3500, 2012-2014 Mercedes-Benz ML350, 2012-2013 Mercedes-Benz S350, 2011-2016 Mercedes-Benz GL350, 2011-2013 Mercedes-Benz E350, 2010-2013 Freightliner Sprinter 2500, 2010-2013 Freightliner Sprinter 3500, 2010-2013 Mercedes-Benz Sprinter 2500, 2010-2013 Mercedes-Benz Sprinter 3500, 2010-2012 Mercedes-Benz R350, 2010-2011 Mercedes-Benz ML350, 2010-2010 Mercedes-Benz GL350, 2009-2009 Dodge Sprinter 2500, 2009-2009 Dodge Sprinter 3500, 2009-2009 Mercedes-Benz GL320, 2009-2009 Mercedes-Benz ML320, 2009-2009 Mercedes-Benz R320
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner
Item LocatedUnited States
QuantityOne Set
Installation PositionMain
Part interchange
6422000701, 68047688AA, 68087367AA, 68087367AB, 5175580-AA, 6422001301, 6422002201, 6422001701, 
...View more
item #1000ZPNK
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.

Related Blogs

Why Does Coolant Boil After You Turn the Engine Off?

Learn why coolant boils or bubbles after you turn the engine off, how heat soak affects the cooling system, and how to diagnose leaks, trapped air, cap, thermostat, fan, water pump, or head gasket problems.

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.

Jul 21, 2026