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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
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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
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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
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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
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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
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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
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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

The Audi Heater Core collects the heat from the engine and transfers it to the cabin so passengers can stay warm and windows can remain clear on the cold mornings. Audi as a brand is a combination of German heritage and modern innovation that features such things as Quattro all-wheel drive to grip slick roads, Virtual Cockpit screens to turn your gauges into colorful maps, and even matrix headlights that brighten dark lanes without dazzling oncoming traffic. Founded in 1909 and now pushing into e-tron electric models, Audi is a company that balances sporty performance with environmental responsibility, allowing drivers to enjoy brisk acceleration while knowing that energy-saving technology is working behind the scenes. Advanced safety features and trials in self-driving tech only go to show Audi is also interested in making every drive a thrilling yet safe one, so that teens will have something to look forward to when it comes to their keys. Across all showrooms, Audi vehicles exude a combination of luxury and reliability that ensures high durability. Inside this lineup, the Heater Core is still a compact superstar. Hidden under the dash, the Heater Core draws hot coolant in through small hoses, pumps it through aluminum tubes and fins, then depends on a blower to combine the retrieved heat with fresh cabin air, providing good comfort with no additional fuel burn. Modern controls vary coolant flow using smart sensors, so that precise temperature splits between driver and passenger are possible. When coolant is circulated, the Heater Core is also able to offload surplus engine heat during spirited driving, aiding the overall thermal stability and extending component life. Proper coolant quality keeps the Heater Core free of sludge and corrosion to ensure years of fog-free glass and warm hands.

Stick with genuine OEM Heater Core when you need quality that holds up. Audi crafts these parts to hit strict factory specs for every single unit. They also run each part through rigorous checks during production to maintain high quality. You can find exact Audi Heater Core you need in our huge stock at AudiPartsGiant.com. You'll love our low, economical prices too. Every OEM part carries a real manufacturer's warranty, so you can buy with confidence. Returns aren't a headache here because our policy is simple. Plus, our speedy delivery gets orders out fast. Shop today and buy with total peace of mind.

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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