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Genuine Audi Heater Core

HVAC Heater Core
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25 Heater Cores found

  • Audi Heater Core - 5Q0-819-031-A
    Diagram for Audi Heater Core - 5Q0-819-031-A
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    Audi Heater Core Part Number: 5Q0-819-031-A

    $157.07 MSRP: $219.99
    You Save: $62.92 (29%)
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    Fits the following Audi Models:
    • TT Quattro | 2016-2023 | Base | 4 Cyl 2.0 L GAS
    • TT RS Quattro | 2018-2022 | Base, Heritage Edition | 5 Cyl 2.5 L GAS
    • TTS Quattro | 2016-2023 | Base | 4 Cyl 2.0 L GAS
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  • Audi Heater Core - 1K0-819-031-E
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    Audi Heater Core Part Number: 1K0-819-031-E

    $215.38 MSRP: $301.65
    You Save: $86.27 (29%)
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    Fits the following Audi Models:
    • A3 | 2013 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
    • A3 Quattro | 2013 | Base | 4 Cyl 2.0 L GAS
    • Q3 | 2015-2016 | Premium Plus, Prestige | 4 Cyl 2.0 L GAS
    • Q3 Quattro | 2015-2016 | Premium Plus, Prestige | 4 Cyl 2.0 L GAS
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  • Audi Heater Core - 8E1-820-031
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    Audi Heater Core Part Number: 8E1-820-031

    $196.35 MSRP: $275.00
    You Save: $78.65 (29%)
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    Fits the following Audi Models:
    • A4 | 2002-2009 | Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
    • A4 Quattro | 2002-2009 | Avant, Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
    • RS4 | 2007-2008 | Base, Cabriolet | 8 Cyl 4.2 L GAS
    • S4 | 2004-2009 | Avant, Base, Cabriolet | 8 Cyl 4.2 L GAS
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  • Audi Heater Core - 1J1-819-031-B
    Diagram for Audi Heater Core - 1J1-819-031-B
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    Audi Heater Core Part Number: 1J1-819-031-B

    $222.52 MSRP: $311.65
    You Save: $89.13 (29%)
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    Product Specifications
    • Replaces: 1J1-819-031-A
    Fits the following Audi Models:
    • 4000 Quattro | 1984-1987 | CS, S | 5 Cyl 2.2 L GAS
    • 5000 | 1984-1986 | S, S Turbo | 5 Cyl 2.2 L GAS
    • 5000 Quattro | 1986-1987 | CS, S | 5 Cyl 2.2 L GAS, 5 Cyl 2.3 L GAS
    • Quattro | 1984-1985 | Base | 5 Cyl 2.2 L GAS
    • TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
    • TT Quattro | 2000-2006 | ALMS Edition, Base, Special Edition | 4 Cyl 1.8 L GAS, 6 Cyl 3.2 L GAS
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  • Audi Heater Core - 1K0-819-031-D
    Diagram for Audi Heater Core - 1K0-819-031-D
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    Audi Heater Core Part Number: 1K0-819-031-D

    $222.52 MSRP: $311.65
    You Save: $89.13 (29%)
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    Product Specifications
    • Replaces: 1K0-819-031-B, 1K0-819-031, 1K0-819-031-A
    Fits the following Audi Models:
    • A3 | 2006-2013 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
    • A3 Quattro | 2006-2013 | Base | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
    • Q3 | 2015-2018 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
    • Q3 Quattro | 2015-2018 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
    • TT | 2008-2009 | Base | 4 Cyl 2.0 L GAS
    • TT Quattro | 2008-2015 | Base, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
    • TT RS Quattro | 2012-2013 | Base | 5 Cyl 2.5 L GAS
    • TTS Quattro | 2009-2015 | Base | 4 Cyl 2.0 L GAS
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  • Audi Heater Core - 5Q0-819-031-B
    Diagram for Audi Heater Core - 5Q0-819-031-B
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    Audi Heater Core Part Number: 5Q0-819-031-B

    $222.52 MSRP: $311.65
    You Save: $89.13 (29%)
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    Product Specifications
    • Other Name: Heatercore
    • Replaces: 5Q0-819-031
    Fits the following Audi Models:
    • A3 | 2022-2024, 2015-2020 | Premium, Premium Plus, Prestige, TDI Premium, TDI Premium Plus, TDI Prestige, Titanium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
    • A3 Quattro | 2022-2023, 2015-2020 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
    • A3 Sportback e-tron | 2016-2018 | Premium, Premium Plus, Prestige | 4 Cyl 1.4 L PLUG-IN HYBRID EV-GAS (PHEV)
    • Q3 | 2019-2024 | Premium, Premium Plus, Prestige, S-Line Premium, S-Line Premium Plus, S-Line Prestige | 4 Cyl 2.0 L GAS
    • RS3 | 2022-2024, 2017-2020 | Base | 5 Cyl 2.5 L GAS
    • S3 | 2022-2024, 2015-2020 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
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  • Audi Heater Core - 7L0-819-031
    Diagram for Audi Heater Core - 7L0-819-031
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    Audi Heater Core Part Number: 7L0-819-031

    $222.52 MSRP: $311.65
    You Save: $89.13 (29%)
    Ships in 1-2 Business Days
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    Fits the following Audi Models:
    • Q7 | 2007-2015 | Base, Premium, Premium Plus, Prestige, TDI, TDI Premium, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
  • Audi Heater Core - 7L0-819-032-A
    Diagram for Audi Heater Core - 7L0-819-032-A
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    Audi Heater Core Part Number: 7L0-819-032-A

    $221.33 MSRP: $309.99
    You Save: $88.66 (29%)
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    Product Specifications
    • Replaces: 7L0-819-032
    Fits the following Audi Models:
    • Q7 | 2007-2015 | Base, Premium, Premium Plus, Prestige, TDI, TDI Premium, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
  • Audi Heater Core - 8D1-819-030-B
    Diagram for Audi Heater Core - 8D1-819-030-B
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    Audi Heater Core Part Number: 8D1-819-030-B

    $222.52 MSRP: $311.65
    You Save: $89.13 (29%)
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    Product Specifications
    • Other Name: Core
    • Replaces: 8D1-819-030-A
    Fits the following Audi Models:
    • 100 | 1989-1994 | Base, CS, E, S | 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
    • 100 Quattro | 1989-1994 | Base, CS | 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
    • 200 | 1989-1991 | Base | 5 Cyl 2.2 L GAS
    • 200 Quattro | 1989-1991 | 20v, 20v Avant, Avant, Base | 5 Cyl 2.2 L GAS
    • 80 | 1988-1992 | Base | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS
    • 80 Quattro | 1988-1992 | Base | 5 Cyl 2.3 L GAS
    • 90 | 1993-1995, 1988-1991 | Base, CS, S, Sport | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
    • 90 Quattro | 1993-1995, 1988-1991 | 20v, Base, CS, Sport | 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
    • A4 | 1996-2001 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
    • A4 Quattro | 1996-2001 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
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  • Audi Heater Core - 4B1-819-031
    Diagram for Audi Heater Core - 4B1-819-031
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    Audi Heater Core Part Number: 4B1-819-031

    $208.49 MSRP: $292.00
    You Save: $83.51 (29%)
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    Fits the following Audi Models:
    • A6 | 1998-1999 | Base | 6 Cyl 2.8 L GAS
    • A6 Quattro | 1998-1999 | Avant, Base | 6 Cyl 2.8 L GAS
  • Audi Heater Core - 4B1-819-031-C
    Diagram for Audi Heater Core - 4B1-819-031-C
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    Audi Heater Core Part Number: 4B1-819-031-C

    $220.15 MSRP: $308.33
    You Save: $88.18 (29%)
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    Fits the following Audi Models:
    • A6 | 1999-2004 | Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
    • A6 Quattro | 1999-2004 | Avant, Base | 6 Cyl 2.7 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 8 Cyl 4.2 L GAS
    • Allroad Quattro | 2001-2005 | Base | 6 Cyl 2.7 L GAS, 8 Cyl 4.2 L GAS
    • S6 | 2002-2003 | Avant | 8 Cyl 4.2 L GAS
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  • Audi Heater Core - 4F0-820-031-C
    Diagram for Audi Heater Core - 4F0-820-031-C
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    Audi Heater Core Part Number: 4F0-820-031-C

    $240.38 MSRP: $336.67
    You Save: $96.29 (29%)
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    Product Specifications
    • Replaces: 4F0-820-031-A
    Fits the following Audi Models:
    • A6 | 2006-2008 | Base | 6 Cyl 3.2 L GAS
    • A6 Quattro | 2005-2008 | Avant, Base | 6 Cyl 3.2 L GAS, 8 Cyl 4.2 L GAS
    • S6 | 2007-2008 | Base | 10 Cyl 5.2 L GAS
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  • Audi Heater Core - 4D0-898-030-B
    Diagram for Audi Heater Core - 4D0-898-030-B
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    Audi Heater Core Part Number: 4D0-898-030-B

    $302.96 MSRP: $424.32
    You Save: $121.36 (29%)
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    Product Specifications
    • Replaces: 4E0-820-031, 4D0-898-030-A
    Fits the following Audi Models:
    • A8 Quattro | 2001-2010 | Base, L | 12 Cyl 6.0 L GAS, 8 Cyl 4.2 L GAS
    • S8 | 2007-2009, 2001-2003 | Base | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
  • Audi Heater Core - 4M0-898-037-C
    Diagram for Audi Heater Core - 4M0-898-037-C
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    Audi Heater Core Part Number: 4M0-898-037-C

    $264.76 MSRP: $370.82
    You Save: $106.06 (29%)
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    Product Specifications
    • Replaced by: 8B3-820-037-A
    Fits the following Audi Models:
    • A4 | 2017-2020 | Premium, Premium Plus, Prestige, Titanium | 4 Cyl 2.0 L GAS
    • A4 Quattro | 2017-2023 | Premium, Premium Plus, Prestige, Ultra sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
    • A4 allroad | 2017-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
    • A5 Quattro | 2018-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
    • A5 Sportback | 2018-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
    • A6 Quattro | 2019-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
    • A6 allroad | 2020-2023 | Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
    • A7 Sportback | 2019-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
    • A8 Quattro | 2019-2023 | L, L Plug-In Hybrid | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV), 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV)
    • Q5 | 2018-2023 | Premium, Premium Plus, Prestige, Titanium Premium, Titanium Premium Plus, Titanium Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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  • Audi Heater Core - 4H0-898-037-B
    Diagram for Audi Heater Core - 4H0-898-037-B
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    Audi Heater Core Part Number: 4H0-898-037-B

    $318.31 MSRP: $445.81
    You Save: $127.50 (29%)
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    Fits the following Audi Models:
    • A8 Quattro | 2011-2023 | Base, L, L Plug-In Hybrid, L Sport, L TDI, L W12 | 12 Cyl 6.3 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV), 8 Cyl 4.0 L GAS, 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 4.2 L GAS
    • Q7 | 2017-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
    • Q8 | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
    • RS Q8 | 2020-2023 | Base | 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV)
    • S8 | 2020-2023, 2013-2018 | Base, Plus | 8 Cyl 4.0 L GAS, 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV)
    • SQ7 | 2020-2023 | Premium Plus, Prestige | 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV)
    • SQ8 | 2020-2023 | Premium Plus, Prestige | 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV)
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  • Audi Heater Core - 420-898-037-A
    Diagram for Audi Heater Core - 420-898-037-A
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    Audi Heater Core Part Number: 420-898-037-A

    $324.26 MSRP: $454.15
    You Save: $129.89 (29%)
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    Product Specifications
    • Replaces: 4F0-820-031-D
    Fits the following Audi Models:
    • A6 | 2007-2011 | Base | 6 Cyl 3.2 L GAS
    • A6 Quattro | 2007-2011 | Avant, Base | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS, 8 Cyl 4.2 L GAS
    • R8 | 2014-2015, 2008-2012 | Base, GT, GT Spyder, Plus, Spyder | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
    • S6 | 2007-2011 | Base | 10 Cyl 5.2 L GAS
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  • Audi Heater Core - 8K0-898-037-A
    Diagram for Audi Heater Core - 8K0-898-037-A
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    Audi Heater Core Part Number: 8K0-898-037-A

    $366.52 MSRP: $513.34
    You Save: $146.82 (29%)
    Ships in 1-2 Business Days
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    Fits the following Audi Models:
    • A4 | 2009-2016 | Base, Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
    • A4 Quattro | 2009-2016 | Avant, Base, Premium, Premium Plus, Prestige | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
    • A5 | 2010-2014 | Cabriolet | 4 Cyl 2.0 L GAS
    • A5 Quattro | 2008-2017 | Base, Cabriolet, Premium, Premium Plus, Prestige, Sport | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
    • Q5 | 2009-2017 | Premium, Premium Plus, Prestige, TDI Premium Plus, TDI Premium Plus S-Line, TDI Prestige, TDI Prestige S-Line | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
    • RS5 | 2013-2015 | Base, Cabriolet | 8 Cyl 4.2 L GAS
    • S4 | 2010-2016 | Base, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
    • S5 | 2008-2017 | Base, Cabriolet, Premium Plus, Prestige | 6 Cyl 3.0 L GAS, 8 Cyl 4.2 L GAS
    • SQ5 | 2014-2017 | Premium Plus, Prestige | 6 Cyl 3.0 L GAS
    • allroad | 2013-2016 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L FLEX
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  • Audi Heater Core - 4D0-819-030
    Diagram for Audi Heater Core - 4D0-819-030
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    Audi Heater Core Part Number: 4D0-819-030

    $351.29 MSRP: $492.00
    You Save: $140.71 (29%)
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    Fits the following Audi Models:
    • A8 | 1997-1999 | Base | 8 Cyl 3.7 L GAS
    • A8 Quattro | 1997-2001 | Base, L | 8 Cyl 4.2 L GAS
    • S8 | 2001 | Base | 8 Cyl 4.2 L GAS
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  • Audi Heater Core - 4H0-898-037
    Diagram for Audi Heater Core - 4H0-898-037
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    Audi Heater Core Part Number: 4H0-898-037

    $460.53 MSRP: $644.99
    You Save: $184.46 (29%)
    Ships in 1-2 Business Days
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    Fits the following Audi Models:
    • A6 | 2012-2018 | Premium, Premium Plus, Sport | 4 Cyl 2.0 L GAS
    • A6 Quattro | 2012-2018 | Competition, Premium, Premium Plus, Prestige, Sport, TDI Premium Plus, TDI Prestige | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
    • A7 Quattro | 2012-2018 | Base, Competition, Premium Plus, Prestige, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
    • A8 Quattro | 2011-2018 | Base, L, L Sport, L TDI, L W12 | 12 Cyl 6.3 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 8 Cyl 4.0 L GAS, 8 Cyl 4.2 L GAS
    • RS7 | 2014-2018 | Base, Performance | 8 Cyl 4.0 L GAS
    • S6 | 2013-2018 | Base, Premium Plus, Prestige | 8 Cyl 4.0 L GAS
    • S7 | 2013-2018 | Base, Premium Plus, Prestige | 8 Cyl 4.0 L GAS
    • S8 | 2013-2018 | Base, Plus | 8 Cyl 4.0 L GAS
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  • Audi Heater Core - 701-819-032
    Diagram for Audi Heater Core - 701-819-032
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    Product Specifications
    • Other Name: Heatercore; Heater Core
    Fits the following Audi Models:
    • A4 | 2002-2007 | Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
    • A4 Quattro | 2002-2007 | Avant, Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
    • RS4 | 2007 | Base | 8 Cyl 4.2 L GAS
    • S4 | 2004-2007 | Avant, Base, Cabriolet | 8 Cyl 4.2 L GAS
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Audi Heater Core

Your engine generates a lot of heat, which must be expelled. To this end, we make this arrangement: the air passes through the Audi heater core, thus warming the passenger compartment. This eliminates the need for electric or gas-fired heaters. However, as your car gets older, corrosion and leaks affect the heater core, similarly to how they affect the vehicle's radiator. If you replace your antifreeze every two years, you may prevent crud buildup in the heater core. When the heater core leaks, it can cause interior damage, mold smells, and rust deposits. Leaking within the heater core will lead to antifreeze and water inside your car. So, please inspect, repair, or replace your heater cores regularly.

It is better to choose OEM parts when it comes to the time for fixing them. Why? Because they fit perfectly well and ensure safety. For people who prefer doing their maintenance, the genuine Audi Heater Core is quite perfect. At AudiPartsGiant.com, we specialize in genuine Audi Heater Cores only. Also, we offer an extensive online catalog with many categories, ample stock, and secure shopping. The Audi Heater Core is shipped directly from authorized Audi dealers at competitive prices. So trust us, and we will give you nothing but superior service. Depend on us for all your genuine parts needs, and then we will keep your automobile moving smoothly.

Audi Heater Core Parts and Q&A

  • Q: What information is applicable to the A/C switch, blower motor, blower motor resistor, and heater core regarding the removal and refitting of the heater/ventilation system components on Audi 100?
    A:
    The subsequent data applies to non-air-conditioned models as well as to those having a manually operated air conditioning system; where an automatic air conditioning system is present, the dismantling and re-fitting of the heater/ventilation system parts should be done by an Audi/VAG dealer as a special electrical equipment is required to re-set the system. The control unit is easy to remove by removing the negative lead of the battery, removing the centre console, unscrewing the retaining screws releasing the control panel off the facia, disconnecting the wiring connectors, detaching the cables with noting the positions they have been installed, and lastly extracting the control panel of the vehicle. Refitting is the process that entails the reversal of the steps used to remove the control cables without forgetting to make sure that the control cables are well reconnected and that the controls are working as they should. To do it on right hand and left hand drive models with air conditioning, remove heater/ventilation housing assembly then air intake duct/flap and then the motor may be removed by removing circlip which holds the motor in place and then checking the seal. To get the motor bearings lubricated, the circlip fitted in the right place and the air intake firmly fitted. In models with no air conditioning (left-hand drive models), it involves the removal of a water deflector panel, battery, pollen filter and air intake flap assembly then the disconnection of the blower motor and removal as well. The resistor on the blower motor can be withdrawn by detaching the wiring connector and detaching the retaining screws and vice versa. The heater/ventilation housing can be taken out in a couple of phases, which include the windscreen wipers motor and battery and heater control and glovebox, storage compartment panel, and a variety of ducts are removed, and finally the heater/ventilation housing is lifted out. To refit it it is important that all the parts are properly attached and the coolant hoses are properly reattached. The heater matrix removal itself consists of the halves of the housing being separated, the sealing foam of the matrix being inspected, and correct alignment in assembling the housing halves, the silicone adhesive sealant being required to seal the joint. To remove auxiliary heater with A6 diesel engine models, the housing should be dismantled to release auxiliary heater and then it should be reassembled to the housing.
  • Q: How to remove and install a heater core on Audi A4?
    A:
    Take off the engine covers, remove and disconnect the battery and empty the cooling system. Label the heater hoses and disconnect them at the heater core inlet and outlet on the engine side of the firewall; in the event that they are difficult to separate, the hose should be cut and new ones installed during installation. As much coolant as possible must be removed using a suction gun and the open tubes plugged. Disassemble the knee bolster, heater core cover fasteners and cover and remember to cover the carpet with plastic cover to avoid spillage of the coolant. Dislodge the heater core tube clamp fasteners, put a rag or small drain pan under the tubes and carefully unclamp the tubes off the core. After all the coolant is drained, remove the heater core in the housing. The opposite of removal is installation, and it is necessary to make sure that the heater core pipes and core have been installed with original insulating or sealing material. Fill up and bleed the cooling system and then get the engine going and ensure proper functioning.

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