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Expansion Tank

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Universal Coolant Radiator Reservoir Bottle Overflow Tank White with CapUniversal Coolant Radiator Reservoir Bottle Overflow Tank White with Cap
A-Premium®Part # APET0327
Universal Coolant Radiator Reservoir Bottle Overflow Tank White with Cap
4.860 Reviews
$19.99
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2-year warranty
90 days free return
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Part interchange
603-001
item #10055GUK
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Engine Coolant Expansion Tank with Cap for Chevy Silverado 1500 GMC Sierra 1500
A-Premium®Part # APET0239
Engine Coolant Expansion Tank with Cap for Chevy Silverado 1500 GMC Sierra 1500
4.860 Reviews
$54.99
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2-year warranty
90 days free return
Fits 2015 - 2019 Cadillac Escalade, 2020 - 2020 Cadillac Escalade, 2015 - 2019 Cadillac Escalade ESV, 2020 - 2020 Cadillac Escalade ESV, 2014 - 2019 Chevrolet Silverado 1500, 2014 - 2019 Chevrolet Silverado 1500, 2014 - 2019 Chevrolet Silverado 1500, 2019 - 2019 Chevrolet Silverado 1500 LD, 2015 - 2019 Chevrolet Suburban, 2017 - 2019 Chevrolet Suburban, 2019 - 2019 Chevrolet Suburban, 2016 - 2019 Chevrolet Suburban 3500 HD, 2015 - 2019 Chevrolet Tahoe, 2020 - 2020 Chevrolet Tahoe, 2019 - 2019 Chevrolet Tahoe, 2020 - 2020 Chevrolet Tahoe, 2015 - 2019 GMC Sierra 1500, 2014 - 2019 GMC Sierra 1500, 2015 - 2019 GMC Sierra 1500, 2019 - 2019 GMC Sierra 1500 Limited, 2015 - 2019 GMC Yukon, 2020 - 2020 GMC Yukon, 2015 - 2019 GMC Yukon, 2020 - 2020 GMC Yukon, 2015 - 2019 GMC Yukon XL, 2020 - 2020 GMC Yukon XL, 2015 - 2019 GMC Yukon XL, 2020 - 2020 GMC Yukon XL
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront
MaterialPlastic
ColorBlack, White
Part interchange
603-973, 671-00359, 22856231, 3014134
item #1003T7QK
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Engine Coolant Expansion Tank for Chevy Silverado 1500 99-06 GMC Sierra H2
A-Premium®Part # APET0048
Engine Coolant Expansion Tank for Chevy Silverado 1500 99-06 GMC Sierra H2
4.860 Reviews
$65.99
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2-year warranty
90 days free return
Fits 2002 - 2006 Cadillac Escalade, 2003 - 2006 Cadillac Escalade ESV, 2002 - 2006 Cadillac Escalade EXT, 2002 - 2006 Chevrolet Avalanche 1500, 2002 - 2006 Chevrolet Avalanche 2500, 1999 - 2006 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2001 - 2003 Chevrolet Silverado 1500 HD, 2005 - 2006 Chevrolet Silverado 1500 HD, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 1999 - 2004 Chevrolet Silverado 2500, 2001 - 2006 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2001 - 2006 Chevrolet Silverado 3500, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2000 - 2006 Chevrolet Suburban 1500, 2000 - 2006 Chevrolet Suburban 2500, 2000 - 2006 Chevrolet Tahoe, 1999 - 2006 GMC Sierra 1500, 2007 - 2007 GMC Sierra 1500 Classic, 2001 - 2003 GMC Sierra 1500 HD, 2005 - 2006 GMC Sierra 1500 HD, 2007 - 2007 GMC Sierra 1500 HD Classic, 1999 - 2004 GMC Sierra 2500, 2001 - 2006 GMC Sierra 2500 HD, 2007 - 2007 GMC Sierra 2500 HD Classic, 2001 - 2006 GMC Sierra 3500, 2007 - 2007 GMC Sierra 3500 Classic, 2000 - 2006 GMC Yukon, 2000 - 2006 GMC Yukon XL 1500, 2000 - 2006 GMC Yukon XL 2500, 2003 - 2009 Hummer H2
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront
MaterialPlastic
ColorWhite
Part interchange
15203949, 15778386, 15808715, 603-102
item #1003SUC6
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Engine Coolant Reservoir Tank with Cap and Sensor for Chevy Silverado 3500 GMC
A-Premium®Part # APET0221
Engine Coolant Reservoir Tank with Cap and Sensor for Chevy Silverado 3500 GMC
4.860 Reviews
$83.99
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2-year warranty
90 days free return
Fits 2001 - 2006 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2001 - 2006 Chevrolet Silverado 3500, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2001 - 2006 GMC Sierra 2500 HD, 2007 - 2007 GMC Sierra 2500 HD Classic, 2001 - 2006 GMC Sierra 3500, 2007 - 2007 GMC Sierra 3500 Classic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Quantity1
MaterialPlastic
ColorWhite
Part interchange
603-125, 15085725, 15808714, 15075118
item #1004V7HQ
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Engine Coolant Expansion Tank for Cadillac Escalade Chevy Silverado GMC Sierra
A-Premium®Part # APET0080
Engine Coolant Expansion Tank for Cadillac Escalade Chevy Silverado GMC Sierra
4.860 Reviews
$50.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2007 - 2014 Cadillac Escalade, 2007 - 2014 Cadillac Escalade ESV, 2007 - 2013 Cadillac Escalade EXT, 2007 - 2013 Chevrolet Avalanche, 2007 - 2013 Chevrolet Cheyenne, 2007 - 2013 Chevrolet Silverado 1500, 2010 - 2013 Chevrolet Silverado 2500, 2007 - 2018 Chevrolet Silverado 2500 HD, 2010 - 2013 Chevrolet Silverado 3500, 2015 - 2017 Chevrolet Silverado 3500, 2007 - 2018 Chevrolet Silverado 3500 HD, 2016 - 2016 Chevrolet Suburban, 2007 - 2014 Chevrolet Suburban 1500, 2007 - 2013 Chevrolet Suburban 2500, 2007 - 2014 Chevrolet Tahoe, 2007 - 2013 GMC Sierra, 2007 - 2013 GMC Sierra 1500, 2007 - 2018 GMC Sierra 2500 HD, 2007 - 2018 GMC Sierra 3500 HD, 2007 - 2014 GMC Yukon, 2007 - 2014 GMC Yukon XL 1500, 2007 - 2013 GMC Yukon XL 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront
MaterialPlastic
ColorBlack, White
Part interchange
22870828, 15833723, 22797286, 13502353, 797286, 603-054
item #1003SXSK
Note
This part includes the cap.
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A-Premium APET0421 Engine Coolant Reservoir Front Side
A-Premium®Part # APET0421
A-Premium APET0421 Engine Coolant Reservoir Front Side
4.860 Reviews
$72.99
Quantity Less than 2
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2-year warranty
90 days free return
Fits 1995 - 2005 Chevrolet Blazer, 1994 - 2003 Chevrolet S10, 1994 - 2004 Chevrolet S10, 1995 - 2005 GMC Jimmy, 1994 - 2003 GMC Sonoma, 1994 - 2004 GMC Sonoma, 1996 - 2001 Oldsmobile Bravada
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront Side
MaterialPlastic
ConditionNew
item #1005UPZ2
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Radiator Coolant Reservoir with Cap for Chevrolet Astro GMC Safari 1985-1994
A-Premium®Part # APET0534TW
Radiator Coolant Reservoir with Cap for Chevrolet Astro GMC Safari 1985-1994
4.860 Reviews
$51.99
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2-year warranty
90 days free return
Fits 1985 - 1994 Chevrolet Astro, 1985 - 1994 GMC Safari
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Part interchange
GM3014101, 15594487
ConditionNew
item #10183TX4
Note
This item comes with Cap.
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Engine Coolant Reservoir with cap & Hose for Chevy Colorado GMC Canyon Hummer H3
A-Premium®Part # APET0497TW
Engine Coolant Reservoir with cap & Hose for Chevy Colorado GMC Canyon Hummer H3
4.860 Reviews
$61.99
Quantity Less than 2
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2-year warranty
90 days free return
Fits 2008 - 2010 Hummer H3, 2004 - 2006 GMC Canyon, 2009 - 2009 Hummer H3, 2006 - 2010 Hummer H3, 2004 - 2006 Chevrolet Colorado, 2007 - 2009 Hummer H3
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Vehicle: GMC
Item LocatedUnited States
Quantity1
ConditionNew
item #10154ESR
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Engine Coolant Reservoir for Chevrolet Silverado 1500 GMC Sierra 1500 2020-2024
A-Premium®Part # APET0448TW
Engine Coolant Reservoir for Chevrolet Silverado 1500 GMC Sierra 1500 2020-2024
4.860 Reviews
$72.99
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2-year warranty
90 days free return
Fits 2020 - 2024 Chevrolet Silverado 1500, 2022 - 2022 Chevrolet Silverado 1500 LTD, 2022 - 2022 Chevrolet Silverado 1500 LTD, 2020 - 2024 Chevrolet Silverado 1500, 2021 - 2024 GMC Yukon XL, 2022 - 2022 GMC Sierra 1500 Limited, 2021 - 2024 Chevrolet Suburban, 2021 - 2024 Cadillac Escalade ESV, 2020 - 2024 GMC Sierra 1500, 2021 - 2024 Chevrolet Tahoe, 2020 - 2024 GMC Sierra 1500, 2021 - 2024 Cadillac Escalade, 2021 - 2024 GMC Yukon, 2022 - 2022 GMC Sierra 1500 Limited
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Vehicle: GMC
Item LocatedUnited States
Quantity1
ConditionNew
item #10154K1D
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Engine Coolant Tank & Windshield Washer Reservoir for Chevy Astro GMC Safari 95-05
A-Premium®Part # APET0083
Engine Coolant Tank & Windshield Washer Reservoir for Chevy Astro GMC Safari 95-05
4.860 Reviews
$68.99
Quantity Less than 3
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2-year warranty
90 days free return
Fits 1995 - 2005 Chevrolet Astro, 1995 - 2005 GMC Safari
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront
MaterialPlastic
ColorWhite
Part interchange
12363309, 15060681, 603-105
item #1003T1ZC
Note
This part includes a cap and it fits vehicles without liftgate wiper system.
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Engine Coolant Reservoir with cap for Chevrolet S10 Blazer S10 GMC S15 Jimmy S15
A-Premium®Part # APET0496TW
Engine Coolant Reservoir with cap for Chevrolet S10 Blazer S10 GMC S15 Jimmy S15
4.860 Reviews
$46.99
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2-year warranty
90 days free return
Fits 1984 - 1988 GMC S15 Jimmy, 1984 - 1988 Chevrolet S10 Blazer, 1985 - 1988 Chevrolet S10, 1984 - 1988 GMC S15
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Vehicle: GMC
Item LocatedUnited States
Quantity1
ConditionNew
item #10154LX4
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Engine Coolant Expansion Tank With Cap for Chevy Tahoe GMC Yukon XL C/K 1500
A-Premium®Part # APET0110
Engine Coolant Expansion Tank With Cap for Chevy Tahoe GMC Yukon XL C/K 1500
4.860 Reviews
$34.99
Quantity Less than 2
Edit ZIP code
2-year warranty
90 days free return
Fits 1999 - 2000 Cadillac Escalade, 1992 - 1994 Chevrolet Blazer, 1988 - 1993 Chevrolet C1500, 1988 - 1999 Chevrolet C1500, 1988 - 1999 Chevrolet C1500, 1988 - 1999 Chevrolet C1500, 1990 - 1993 Chevrolet C1500, 1992 - 1999 Chevrolet C1500 Suburban, 1988 - 1993 Chevrolet C2500, 1988 - 1995 Chevrolet C2500, 1988 - 1999 Chevrolet C2500, 1988 - 2000 Chevrolet C2500, 1991 - 2000 Chevrolet C2500, 1992 - 1993 Chevrolet C2500, 1992 - 1999 Chevrolet C2500 Suburban, 1992 - 1999 Chevrolet C2500 Suburban, 1988 - 1993 Chevrolet C3500, 1988 - 2000 Chevrolet C3500, 1988 - 2000 Chevrolet C3500, 1992 - 1993 Chevrolet C3500, 1991 - 1995 Chevrolet C3500HD, 1991 - 2000 Chevrolet C3500HD, 1992 - 1993 Chevrolet C3500HD, 2001 - 2002 Chevrolet C3500HD, 1988 - 1993 Chevrolet K1500, 1988 - 1998 Chevrolet K1500, 1988 - 1999 Chevrolet K1500, 1988 - 1999 Chevrolet K1500, 1992 - 1999 Chevrolet K1500 Suburban, 1988 - 1993 Chevrolet K2500, 1988 - 1995 Chevrolet K2500, 1988 - 1998 Chevrolet K2500, 1988 - 2000 Chevrolet K2500, 1991 - 2000 Chevrolet K2500, 1992 - 1993 Chevrolet K2500, 1992 - 1999 Chevrolet K2500 Suburban, 1992 - 1999 Chevrolet K2500 Suburban, 1988 - 1993 Chevrolet K3500, 1988 - 2000 Chevrolet K3500, 1988 - 2000 Chevrolet K3500, 1992 - 1993 Chevrolet K3500, 1988 - 1988 Chevrolet R20, 1988 - 1988 Chevrolet R20, 1988 - 1988 Chevrolet R20, 1989 - 1989 Chevrolet R2500, 1989 - 1989 Chevrolet R2500, 1989 - 1989 Chevrolet R2500, 1988 - 1988 Chevrolet R30, 1988 - 1988 Chevrolet R30, 1988 - 1988 Chevrolet R30, 1989 - 1991 Chevrolet R3500, 1989 - 1991 Chevrolet R3500, 1989 - 1991 Chevrolet R3500, 2000 - 2002 Chevrolet Silverado 2500, 1995 - 2000 Chevrolet Tahoe, 1988 - 1988 Chevrolet V30, 1988 - 1988 Chevrolet V30, 1988 - 1988 Chevrolet V30, 1989 - 1991 Chevrolet V3500, 1989 - 1991 Chevrolet V3500, 1989 - 1991 Chevrolet V3500, 1988 - 1993 GMC C1500, 1988 - 1998 GMC C1500, 1988 - 1999 GMC C1500, 1988 - 1999 GMC C1500, 1992 - 1999 GMC C1500 Suburban, 1988 - 1993 GMC C2500, 1988 - 1995 GMC C2500, 1988 - 1999 GMC C2500, 1988 - 2000 GMC C2500, 1991 - 2000 GMC C2500, 1992 - 1993 GMC C2500, 1992 - 1999 GMC C2500 Suburban, 1992 - 1999 GMC C2500 Suburban, 1988 - 1988 GMC C3500, 1988 - 1993 GMC C3500, 1988 - 2000 GMC C3500, 1989 - 2000 GMC C3500, 1992 - 1993 GMC C3500, 1991 - 1995 GMC C3500HD, 1991 - 2000 GMC C3500HD, 1992 - 1993 GMC C3500HD, 2001 - 2002 GMC C3500HD, 1988 - 1993 GMC K1500, 1988 - 1998 GMC K1500, 1988 - 1999 GMC K1500, 1988 - 1999 GMC K1500, 1992 - 1999 GMC K1500 Suburban, 1998 - 1998 GMC K2500, 1988 - 1993 GMC K2500, 1988 - 1995 GMC K2500, 1988 - 1995 GMC K2500, 1988 - 2000 GMC K2500, 1991 - 2000 GMC K2500, 1992 - 1993 GMC K2500, 1992 - 1999 GMC K2500 Suburban, 1992 - 1999 GMC K2500 Suburban, 1988 - 1993 GMC K3500, 1988 - 2000 GMC K3500, 1988 - 2000 GMC K3500, 1992 - 1993 GMC K3500, 1988 - 1989 GMC R2500, 1988 - 1989 GMC R2500, 1988 - 1989 GMC R2500, 1988 - 1991 GMC R3500, 1988 - 1991 GMC R3500, 1988 - 1991 GMC R3500, 1988 - 1991 GMC V3500, 1988 - 1991 GMC V3500, 1988 - 1991 GMC V3500, 1992 - 2000 GMC Yukon
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront
MaterialPlastic
ColorWhite
Part interchange
15650373, 603-100
item #1003T261
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Engine Coolant Reservoir with Cap & Hose for Chevrolet Silverado 2500 HD GMC 6.6L
A-Premium®Part # APET0677
Engine Coolant Reservoir with Cap & Hose for Chevrolet Silverado 2500 HD GMC 6.6L
4.860 Reviews
$80.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2019 - 2025 Chevrolet Silverado 4500 HD, 2017 - 2019 GMC Sierra 2500 HD, 2017 - 2019 Chevrolet Silverado 2500 HD, 2019 - 2023 International Harvester CV515, 2017 - 2019 GMC Sierra 3500 HD, 2019 - 2025 Chevrolet Silverado 6500 HD, 2017 - 2019 Chevrolet Silverado 3500 HD, 2019 - 2025 Chevrolet Silverado 5500 HD
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Vehicle: GMC
Item LocatedUnited States
Quantity1
MaterialPlastic
Part interchange
84257137, 84148294, 603-009, 603009
ConditionNew
item #1015HEH3
Note
This item comes with Cap & Hose & Level Sensor.
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Engine Coolant Expansion Tank with Cap for Chevrolet Malibu 2016-2021 Cadillac
A-Premium®Part # APET0282
Engine Coolant Expansion Tank with Cap for Chevrolet Malibu 2016-2021 Cadillac
4.860 Reviews
$36.99
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2-year warranty
90 days free return
Fits 2018 - 2019 Buick LaCrosse, 2017 - 2019 Buick LaCrosse, 2018 - 2020 Buick Regal Sportback, 2018 - 2020 Buick Regal Sportback, 2018 - 2020 Buick Regal TourX, 2019 - 2021 Cadillac XT4, 2020 - 2021 Cadillac XT5, 2017 - 2021 Cadillac XT5, 2021 - 2021 Cadillac XT6, 2020 - 2021 Cadillac XT6, 2020 - 2021 Chevrolet Blazer, 2019 - 2021 Chevrolet Blazer, 2019 - 2021 Chevrolet Blazer, 2018 - 2020 Chevrolet Equinox, 2018 - 2019 Chevrolet Equinox, 2018 - 2020 Chevrolet Equinox, 2016 - 2021 Chevrolet Malibu, 2016 - 2019 Chevrolet Malibu, 2016 - 2021 Chevrolet Malibu, 2020 - 2020 GMC Acadia, 2017 - 2020 GMC Acadia, 2017 - 2020 GMC Acadia, 2018 - 2020 GMC Terrain, 2018 - 2019 GMC Terrain, 2018 - 2020 GMC Terrain
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront
MaterialPlastic
ColorWhite
Part interchange
23386455
item #1003T8D8
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Front Engine Coolant Reservoir with Cap & Hose for Chevrolet Trailblazer GMC Envoy
A-Premium®Part # APET0516
Front Engine Coolant Reservoir with Cap & Hose for Chevrolet Trailblazer GMC Envoy
4.860 Reviews
$77.99
Only 1 item left in stock
Edit ZIP code
2-year warranty
90 days free return
Fits 2002 - 2009 GMC Envoy, 2002 - 2006 GMC Envoy XL, 2006 - 2008 Chevrolet Trailblazer, 2005 - 2009 Saab 9-7x, 2002 - 2009 Chevrolet Trailblazer, 2003 - 2008 Isuzu Ascender, 2004 - 2005 GMC Envoy XUV, 2006 - 2009 Chevrolet Trailblazer, 2002 - 2004 Oldsmobile Bravada, 2002 - 2006 Chevrolet Trailblazer EXT, 2005 - 2009 GMC Envoy, 2004 - 2007 Buick Rainier
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront Side
MaterialPlastic
ConditionNew
item #10154LLH
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A-Premium APET0464 Engine Coolant Reservoir Front Side
A-Premium®Part # APET0464
A-Premium APET0464 Engine Coolant Reservoir Front Side
4.860 Reviews
$112.99
Quantity Less than 5
Edit ZIP code
2-year warranty
90 days free return
Fits 2009 - 2013 Cadillac Escalade, 2009 - 2009 Chevrolet Silverado 1500, 2010 - 2013 Chevrolet Silverado 1500, 2008 - 2013 Chevrolet Tahoe, 2009 - 2009 GMC Sierra 1500, 2010 - 2013 GMC Sierra 1500, 2008 - 2009 GMC Yukon, 2010 - 2013 GMC Yukon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront Side
MaterialPlastic
ConditionNew
item #1005UP38
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A-Premium APET0468 Engine Coolant Reservoir Front Side
A-Premium®Part # APET0468
A-Premium APET0468 Engine Coolant Reservoir Front Side
4.860 Reviews
$90.99
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2-year warranty
90 days free return
Fits 1996 - 2002 Chevrolet Express 2500, 1996 - 2002 Chevrolet Express 3500, 1996 - 2002 GMC Savana 2500, 1996 - 2002 GMC Savana 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront Side
ConditionNew
item #1005US4Y
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Coolant Reservoir Tank with Sensor for Chevy Silverado 2500 HD GMC Sierra 2500 HD
A-Premium®Part # APET0443TW
Coolant Reservoir Tank with Sensor for Chevy Silverado 2500 HD GMC Sierra 2500 HD
4.860 Reviews
$91.99
Only 1 item left in stock
Edit ZIP code
2-year warranty
90 days free return
Fits 2011 - 2012 GMC Sierra 2500 HD, 2011 - 2012 Chevrolet Silverado 3500 HD, 2011 - 2012 GMC Sierra 3500 HD, 2011 - 2012 Chevrolet Silverado 2500 HD
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Vehicle: GMC
Item LocatedUnited States
Quantity1
ConditionNew
item #10154KK4
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Engine Coolant Reservoir Tank with Cap for Chevrolet Traverse GMC Acadia
A-Premium®Part # APET0352
Engine Coolant Reservoir Tank with Cap for Chevrolet Traverse GMC Acadia
4.860 Reviews
$51.99
Quantity Less than 4
Edit ZIP code
2-year warranty
90 days free return
Fits 2008 - 2017 Buick Enclave, 2009 - 2017 Chevrolet Traverse, 2007 - 2016 GMC Acadia, 2017 - 2017 GMC Acadia Limited, 2007 - 2010 Saturn Outlook
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Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront Side
MaterialPlastic
ColorWhite
Part interchange
603138, 10353002, 22867267, 23159167, 25846051
item #1005D0G5
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Front Engine Coolant Reservoir with Cap for Chevrolet Equinox GMC Terrain 2010-2017
A-Premium®Part # APET0520
Front Engine Coolant Reservoir with Cap for Chevrolet Equinox GMC Terrain 2010-2017
4.860 Reviews
$48.99
Quantity Less than 3
Edit ZIP code
2-year warranty
90 days free return
Fits 2010 - 2017 GMC Terrain, 2010 - 2017 Chevrolet Equinox
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Quantity1
Installation PositionFront Side
MaterialPlastic
ColorWhite
ConditionNew
item #10154L7X
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Page 1 of 2

What is the function of a car expansion tank?

The expansion tank, also known as the coolant reservoir, is a component of a car's cooling system that serves several functions.

An expansion tank provides a place for the coolant to expand as it heats up and pressure builds in the cooling system. This expansion prevents damage to the cooling system and helps maintain proper engine temperature. Besides, it serves as a reservoir for the coolant. As the engine cools down, the coolant contracts and is drawn back into the expansion tank, ensuring that the cooling system is always full of coolant. What's more, the expansion tank allows for easy checking of the coolant level. Most expansion tanks have a maximum and minimum level marked on the side, allowing the driver or mechanic to quickly and easily check the coolant level without having to remove the radiator cap.

How to identify the expansion tank failure?

Expansion tanks are designed to help control the pressure changes in the system as the temperature changes, preventing damage to the system and ensuring proper operation.

Then how can you identify expansion tank failure and replace:

  • Look for signs of failure such as water leaks, rust or corrosion, and damage to the tank or the fittings.
  • Check the pressure gauge on the system to see if the pressure is fluctuating or if it remains high even when the system is not in use.
  • If you tap on the expansion tank and it sounds hollow, this is a sign that the bladder inside the tank has failed and needs to be replaced.

How to replace an expansion tank?

  1. Turn off the power to the heating or cooling system, and locate the expansion tank. Drain the coolant from the tank and disconnect the hoses from it.
  2. Install the new expansion tank, making sure that it is the correct size and pressure rating for your system.
  3. Reconnect the new expansion tank to the system. Refill the system with coolant.
  4. Finally, take your car for a test drive to ensure that it is working properly.