defaultNoticeImage
24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
Shopping for Isuzu
ADD VEHICLE DETAILS

Heater Core

20items
  • All filters
  • Sort By
  • Price
  • Placement on Vehicle
  • Brand
  • Material
  • Warranty
Spectra Premium 99425 HVAC Heater Core
Spectra PremiumPart # 99425
Spectra Premium 99425 HVAC Heater Core
4.68 Reviews
$110.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2014-2014 Audi Q5, 2014-2014 Audi Q5, 2014-2014 Audi Q5, 2014-2014 Audi Q5, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 1992-1993 Chevrolet C3500HD, 1992-2002 Chevrolet C3500HD, 2009-2010 Chevrolet W4500 Tiltmaster, 2013-2014 Chevrolet Express 4500, 2014-2014 Chevrolet Cruze, 2014-2014 Chevrolet Express 2500, 2014-2014 Chevrolet Express 3500, 2014-2014 Chevrolet Silverado 2500 HD, 2014-2014 Chevrolet Silverado 3500 HD, 2013-2014 Ford F-550 Super Duty, 2014-2014 Ford F-250 Super Duty, 2014-2014 Ford F-350 Super Duty, 2014-2014 Ford F-450 Super Duty, 1994-2002 Freightliner FL60, 1994-2002 Freightliner FL70, 1994-2002 Freightliner FL80, 1995-2002 Freightliner FL50, 1996-2003 Freightliner Century Class, 1996-2003 Freightliner FL112, 1999-2003 Freightliner Argosy, 2001-2003 Freightliner Classic, 2001-2003 Freightliner Columbia, 2005-2009 Freightliner Columbia, 2007-2010 Freightliner M2, 2008-2010 Freightliner B2, 2010-2010 Freightliner Cascadia, 2010-2010 Freightliner M2, 2013-2013 Freightliner Sprinter 2500, 2013-2013 Freightliner Sprinter 3500, 1992-1993 GMC C3500HD, 1992-2002 GMC C3500HD, 1995-1997 GMC W4500 Forward, 2009-2010 GMC W4500 Forward, 2013-2014 GMC Savana 4500, 2014-2014 GMC Savana 2500, 2014-2014 GMC Savana 3500, 2014-2014 GMC Sierra 2500 HD, 2014-2014 GMC Sierra 3500 HD, 1988-1991 International 9300, 1989-1994 International 8300, 1989-1996 International 9600, 1989-1996 International 9700, 1990-1997 International 8200, 1990-1999 International 9400, 1990-2002 International 8100, 1993-1998 International 9300, 1995-1996 International 2574, 1995-1998 International 2674, 1995-1999 International 5000, 1995-1999 International 9200 SBA, 1997-1999 International 9800 SBA, 1998-1999 International 9100 SBA, 1998-2003 International 2574, 1999-1999 International 9900 SFA, 2000-2003 International 2674, 2000-2003 International 9100i SBA, 2000-2003 International 9900i SFA, 2000-2011 International 5500i, 2000-2011 International 5600i, 2000-2011 International 9200i SBA, 2000-2011 International 9400i SBA, 2000-2012 International 5900i, 2001-2003 International 9900ix SFA, 2003-2006 International 8600 SBA, 2009-2011 International ProStar, 2010-2011 International 8500 TranStar, 2010-2011 International 8600 TranStar, 2010-2011 International LoneStar, 2010-2011 International WorkStar 7600, 2010-2012 International WorkStar 7700, 2013-2013 International Durastar, 2013-2013 International TerraStar, 2009-2009 Isuzu NPR, 2009-2009 Isuzu NPR-HD, 2010-2011 Isuzu NPR-HD, 2012-2013 Isuzu NPR-HD, 2013-2013 Isuzu NQR, 2013-2013 Isuzu NRR, 2014-2014 Jeep Grand Cherokee, 2013-2013 Mercedes-Benz R350, 2013-2013 Mercedes-Benz Sprinter 2500, 2013-2013 Mercedes-Benz Sprinter 3500, 2013-2014 Mercedes-Benz GLK250, 2014-2014 Mercedes-Benz E250, 2014-2014 Mercedes-Benz GL350, 2014-2014 Mercedes-Benz ML350, 2014-2014 Nissan NP300, 2013-2013 Ram 4500, 2013-2013 Ram 5500, 2014-2014 Ram 1500, 2014-2014 Ram 2500, 2013-2013 Volkswagen Amarok, 2014-2014 Volkswagen Jetta, 2014-2014 Volkswagen Jetta, 2014-2014 Volkswagen Jetta, 2014-2014 Volkswagen Jetta, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg, 2014-2014 Volkswagen Touareg
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
99425, HTR010748, 921383, 96110, MC99425, VCCT1001837R, T1001837R, VCC31000005
item #1000Z6CG
Show less
HVAC Heater Core - TYC 96019
TYCPart # 96019
HVAC Heater Core - TYC 96019
4.426 Reviews
$74.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-1996 Chevrolet S10, 1995-1997 Chevrolet Blazer, 1995-1997 Chevrolet Blazer, 1996-1997 Chevrolet Blazer, 1997-1997 Chevrolet S10, 1997-1997 Chevrolet S10, 1994-1997 GMC Sonoma, 1995-1997 GMC Jimmy, 1996-1997 Isuzu Hombre, 1996-1997 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
96019, 15-60030, 52470828, 9010263, 398305, 94762, 8-52470-828-0, 18-11440, 
...View more
item #1002N2KZ
Show less
Spectra Premium 99353 HVAC Heater Core
Spectra PremiumPart # 99353
Spectra Premium 99353 HVAC Heater Core
4.68 Reviews
$88.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2012 Chevrolet Colorado, 2008-2012 GMC Canyon, 2008-2008 Isuzu i-290, 2008-2008 Isuzu i-370
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
99353, 9010625, 1563539, 399975, 8890190850, HTR010566, 8073, 1812332, 
...View more
item #1000Z689
Show less
Spectra Premium 98283 HVAC Heater Core
Spectra PremiumPart # 98283
Spectra Premium 98283 HVAC Heater Core
4.68 Reviews
$44.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-1997 Honda Passport, 1988-1995 Isuzu Pickup, 1989-1994 Isuzu Amigo, 1991-1997 Isuzu Rodeo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
98283, 9010267, 1562628, 398283, 8943274442, 8943248320, 8943248321, 8943248322, 
...View more
item #1000Z7C5
Show less
Spectra Premium 93058 HVAC Heater Core, Front Side
Spectra PremiumPart # 93058
Spectra Premium 93058 HVAC Heater Core, Front Side
4.68 Reviews
$79.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2007 Buick Rainier, 2003-2004 Chevrolet SSR, 2003-2006 Chevrolet Trailblazer EXT, 2003-2009 Chevrolet Trailblazer, 2003-2006 GMC Envoy XL, 2003-2009 GMC Envoy, 2004-2005 GMC Envoy XUV, 2003-2008 Isuzu Ascender, 2003-2004 Oldsmobile Bravada, 2005-2009 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
93058, 9010406, 1562887, 1563083, 1560146, 399154, 8456784163414876, 96066, 
...View more
item #1000Z6KR
Show less
HVAC Heater Core for Chevrolet Colorado GMC Canyon 2004-2012 Isuzu i-280 2006
A-Premium®Part # APHCR360
HVAC Heater Core for Chevrolet Colorado GMC Canyon 2004-2012 Isuzu i-280 2006
4.115 Reviews
$67.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2012 Chevrolet Colorado, 2003 - 2006 Chevrolet SSR, 2004 - 2012 GMC Canyon, 2006 - 2006 Isuzu i-280, 2007 - 2008 Isuzu i-290, 2006 - 2006 Isuzu i-350, 2007 - 2008 Isuzu i-370
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
8890190850, 89019085, HT399424C, 99354
item #1003S3PR
Show less
HVAC Heater Core - Front Side - TYC 96066
TYCPart # 96066
HVAC Heater Core - Front Side - TYC 96066
4.426 Reviews
$85.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2007 Buick Rainier, 2003-2003 Chevrolet Trailblazer, 2003-2004 Chevrolet Trailblazer EXT, 2003-2006 Chevrolet SSR, 2003-2006 Chevrolet Trailblazer EXT, 2003-2006 Chevrolet Trailblazer EXT, 2003-2006 Chevrolet Trailblazer EXT, 2004-2004 Chevrolet Trailblazer, 2004-2007 Chevrolet Trailblazer, 2004-2007 Chevrolet Trailblazer, 2004-2007 Chevrolet Trailblazer, 2004-2012 Chevrolet Colorado, 2006-2007 Chevrolet Trailblazer, 2006-2007 Chevrolet Trailblazer, 2008-2009 Chevrolet Trailblazer, 2003-2006 GMC Envoy XL, 2003-2009 GMC Envoy, 2004-2005 GMC Envoy XUV, 2004-2006 GMC Canyon, 2007-2011 GMC Canyon, 2007-2012 GMC Canyon, 2007-2012 GMC Canyon, 2007-2012 GMC Canyon, 2009-2012 GMC Canyon, 2012-2012 GMC Canyon, 2012-2012 GMC Canyon, 2003-2008 Isuzu Ascender, 2003-2004 Oldsmobile Bravada, 2005-2009 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
96066, 15-62887, 52498633, 89019085, 9010406, 399154, 93058, 8-52498-633-0, 
...View more
item #1002N1H6
Show less
Front HVAC Heater Core for Chevy Trailblazer 03-09 Buick GMC Isuzu Olds Saab
A-Premium®Part # APHCR197
Front HVAC Heater Core for Chevy Trailblazer 03-09 Buick GMC Isuzu Olds Saab
4.115 Reviews
$77.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2007 Buick Rainier, 2003 - 2004 Chevrolet SSR, 2003 - 2009 Chevrolet Trailblazer, 2003 - 2006 Chevrolet Trailblazer EXT, 2003 - 2009 GMC Envoy, 2003 - 2006 GMC Envoy XL, 2004 - 2005 GMC Envoy XUV, 2003 - 2008 Isuzu Ascender, 2003 - 2004 Oldsmobile Bravada, 2005 - 2009 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
92019, 93058, 52498633, 8524986330, HT399154C
item #1003G148
Show less
Spectra Premium 94762 HVAC Heater Core
Spectra PremiumPart # 94762
Spectra Premium 94762 HVAC Heater Core
4.68 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-1997 Chevrolet S10, 1995-1997 Chevrolet Blazer, 1997-1997 Chevrolet LUV, 1994-1997 GMC Sonoma, 1995-1997 GMC Jimmy, 1996-2000 Isuzu Hombre, 1996-1997 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
94762, 90693, 1560068, 60068, 96019, HT8305, HTR010369, 8475, 
...View more
item #1000Z516
Show less
Spectra Premium 99440 HVAC Heater Core
Spectra PremiumPart # 99440
Spectra Premium 99440 HVAC Heater Core
4.68 Reviews
$149.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-2007 Chevrolet W3500 Tiltmaster, 1995-2007 Chevrolet W4500 Tiltmaster, 2005-2007 Chevrolet W5500 Tiltmaster, 2005-2007 Chevrolet W5500HD Tiltmaster, 1995-2007 GMC W3500 Forward, 1995-2007 GMC W4500 Forward, 2005-2007 GMC W5500 Forward, 2005-2007 GMC W5500HD Forward, 1995-2006 Isuzu NPR, 1999-2006 Isuzu NPR-HD, 2004-2007 Isuzu NQR, 2007-2007 Isuzu NPR, 2007-2007 Isuzu NPR-HD
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
99440, 9010728, 1812045, 8971016370, 8971747350, 8972409410, 8972512910, 8982385040, 
...View more
item #1000Z7G5
Show less
Spectra Premium 99447 HVAC Heater Core
Spectra PremiumPart # 99447
Spectra Premium 99447 HVAC Heater Core
4.68 Reviews
$156.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-2002 Chevrolet T6500, 1997-2002 Chevrolet T7500, 2004-2009 Chevrolet T6500, 2004-2009 Chevrolet T7500, 2004-2009 Chevrolet T8500, 1997-2002 GMC T6500, 1997-2002 GMC T7500, 2004-2009 GMC T6500, 2004-2009 GMC T7500, 1997-1998 Isuzu FRR, 1997-2002 Isuzu FSR, 1997-2009 Isuzu FTR, 2000-2004 Isuzu FRR, 2007-2010 Isuzu FXR
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
99447, 9010925, 8982384750, 1835620780, 1835620781, 97721455, 98238475
item #1000Z5WY
Show less
Spectra Premium 94773 HVAC Heater Core
Spectra PremiumPart # 94773
Spectra Premium 94773 HVAC Heater Core
4.68 Reviews
$44.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1988 Chevrolet Spectrum, 1989-1989 Geo Spectrum, 1985-1989 Isuzu I-Mark
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
94773, 90652, 1560052, 8944683172, 8941514750, 8944683170, 2702, HTR010379, 
...View more
item #1000Z5TZ
Show less
Front HVAC Heater Core for Chevrolet Blazer 98-05 S10 Jimmy Oldsmobile Isuzu
A-Premium®Part # APHCR170
Front HVAC Heater Core for Chevrolet Blazer 98-05 S10 Jimmy Oldsmobile Isuzu
4.115 Reviews
$69.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998 - 2005 Chevrolet Blazer, 1998 - 2004 Chevrolet S10, 1998 - 2001 GMC Jimmy, 1998 - 2004 GMC Sonoma, 1998 - 2000 Isuzu Hombre, 1998 - 2001 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
52473178, HT394195C, 93014, 96006
item #1003RYD8
Show less
Front HVAC Heater Core for Chevy Blazer 1995-1997 S10 GMC Jimmy Isuzu Oldsmobile
A-Premium®Part # APHCR252
Front HVAC Heater Core for Chevy Blazer 1995-1997 S10 GMC Jimmy Isuzu Oldsmobile
4.115 Reviews
$94.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995 - 1997 Chevrolet Blazer, 1997 - 1997 Chevrolet S10, 1994 - 1997 Chevrolet S10, 1995 - 1997 GMC Jimmy, 1994 - 1997 GMC Sonoma, 1996 - 1997 Isuzu Hombre, 1996 - 1997 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
19254457, 52470828, 52458596, HT8305C, 90762, 94762
item #1003RSEG
Show less
Spectra Premium 99276 HVAC Heater Core, Rear Side
Spectra PremiumPart # 99276
Spectra Premium 99276 HVAC Heater Core, Rear Side
4.68 Reviews
$33.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2007 Buick Rainier, 2002-2006 Chevrolet Trailblazer EXT, 2002-2009 Chevrolet Trailblazer, 2002-2004 GMC Envoy, 2002-2004 GMC Envoy XL, 2004-2004 GMC Envoy XUV, 2006-2006 GMC Envoy XL, 2006-2009 GMC Envoy, 2003-2008 Isuzu Ascender, 2002-2004 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
99276, 9010398, 399154, 19002245282576683, HT2002C, HTR010570, 1812358, 6603739, 
...View more
item #1000Z6RN
Show less
Spectra Premium 99377 HVAC Heater Core, Rear Side
Spectra PremiumPart # 99377
Spectra Premium 99377 HVAC Heater Core, Rear Side
4.68 Reviews
$36.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2007 Buick Rainier, 2002-2006 Chevrolet Trailblazer EXT, 2002-2009 Chevrolet Trailblazer, 2002-2006 GMC Envoy XL, 2002-2009 GMC Envoy, 2004-2005 GMC Envoy XUV, 2003-2008 Isuzu Ascender, 2002-2004 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
99377, 9010525, HTR010571, 8406, 1812351, 399154, 92019, 88892978, 
...View more
item #1000Z7HL
Show less
HVAC Heater Core for Honda Passport 94-97 Isuzu Pickup Amigo 89-94 Rodeo 91-97
A-Premium®Part # APHCR042
HVAC Heater Core for Honda Passport 94-97 Isuzu Pickup Amigo 89-94 Rodeo 91-97
4.115 Reviews
$59.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 1994 - 1997 Honda Passport, 1989 - 1994 Isuzu Amigo, 1989 - 1995 Isuzu Pickup, 1988 - 1988 Isuzu Pickup, 1988 - 1988 Isuzu Pickup, 1991 - 1996 Isuzu Rodeo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
9010267, 98283, 398283, 92370, 2901056140, 2901056280, 8943248320, 8943248321, 
...View more
item #1003RQ3L
Show less
Rear HVAC Heater Core for Chevrolet Trailblazer GMC Envoy Buick Isuzu Olds SUV
A-Premium®Part # APHCR334
Rear HVAC Heater Core for Chevrolet Trailblazer GMC Envoy Buick Isuzu Olds SUV
4.115 Reviews
$68.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2007 Buick Rainier, 2002 - 2009 Chevrolet Trailblazer, 2002 - 2006 Chevrolet Trailblazer EXT, 2002 - 2004 GMC Envoy, 2006 - 2009 GMC Envoy, 2002 - 2004 GMC Envoy XL, 2006 - 2006 GMC Envoy XL, 2004 - 2004 GMC Envoy XUV, 2003 - 2008 Isuzu Ascender, 2002 - 2004 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
89023339, 99276, HT2002C
item #1003S6PP
Note
This item comes with Block Fitting Connections.
Show less
HVAC Heater Core for Honda Passport 1998-2002 Isuzu Axiom 02-04 Rodeo 00-04 SUV
A-Premium®Part # APHCR127
HVAC Heater Core for Honda Passport 1998-2002 Isuzu Axiom 02-04 Rodeo 00-04 SUV
4.115 Reviews
$67.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998 - 2002 Honda Passport, 2002 - 2004 Isuzu Axiom, 2000 - 2004 Isuzu Rodeo, 2001 - 2003 Isuzu Rodeo Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
MaterialAluminum
Part interchange
9010622, 99247, 8972295610
item #10045TCS
Show less
HVAC Heater Core - TYC 96006
TYCPart # 96006
HVAC Heater Core - TYC 96006
4.426 Reviews
$67.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2000 Chevrolet S10, 1998-2000 Chevrolet S10, 1998-2001 Chevrolet Blazer, 2001-2003 Chevrolet S10, 2002-2002 Chevrolet Blazer, 2003-2005 Chevrolet Blazer, 1998-2003 GMC Sonoma, 1998-2004 GMC Jimmy, 2005-2005 GMC Jimmy, 1998-2000 Isuzu Hombre, 1998-2001 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Isuzu
Item LocatedUnited States
Quantity1
Part interchange
96006, 15-60087, GM3128107, 52473178, 9010035, GM8280, 394195, 93014, 
...View more
item #1002N3DP
Show less

What is a car's heater core?

 

A car's heater core is like a small radiator that is located in the dashboard of the car. It is responsible for producing heat to warm up the interior of the car when you turn on the heating system. When you turn on the heating system, hot coolant from the car's engine flows through the heater core and heats up the metal tubes and fins inside the core. The blower motor then blows air over the heated tubes and fins, which warms up the air and sends it into the cabin of the car.

 

Heater core failing symptoms

 

Identifying the symptoms of a heater core leak can be challenging. Some of these symptoms may not appear to be related to a heater core problem, which emphasizes the need to identify and address them promptly. The signs include:

  • Interior windows fogging up;
  • Fruity odor both inside and outside the car;
  • Higher than normal coolant consumption;
  • Cold air blowing out of the heater vents.

 

How to fix a broken heater core? 


Fixing a heater core can be a difficult and involved process, and it may not always be possible to repair a heater core. However, some potential solutions include:

  1. Flush the heater core: Over time, debris and sediment can accumulate in the heater core, leading to blockages and reduced heating performance. Flushing the heater core with a specialized cleaning solution can help to remove these blockages and improve heating performance.
  2. Patch the heater core: In some cases, it may be possible to patch a leaking heater core with a sealant or other repair material. This is typically only a temporary fix, and a replacement heater core may still be needed in the long run.
  3. Replace the heater core: If the heater core is damaged beyond repair, or if other solutions have been unsuccessful, the heater core will need to be replaced. This typically involves a complex and involved process, as outlined in previous answers.

It's important to consult with a qualified mechanic to determine the best course of action for repairing or replacing. Additionally, attempting to fix a heater core yourself can be dangerous and may result in further damage to the vehicle or personal injury.

 

Heater core replacement

 

Replacing a heater core is a complex and involved process that requires a significant amount of professional skills and time. The process can vary depending on the make and model of the vehicle, but generally involves the following steps:

  • Drain the coolant;
  • Remove the dashboard;
  • Remove the old heater core;
  • Install the new heater core;
  • Reassemble the dashboard;
  • Refill the coolant.