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Genuine Volkswagen Oil Pressure Switch

Oil Pressure Sender Switch
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24 Oil Pressure Switches found

  • Volkswagen Oil Pressure Switch - 079-919-081
    Diagram for Volkswagen Oil Pressure Switch - 079-919-081
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    Volkswagen Oil Pressure Switch Part Number: 079-919-081

    $19.32 MSRP: $31.69
    You Save: $12.37 (40%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Touareg | 2009-2017 | Base, V6 Executive, V6 Lux, V6 R-Line, V6 Sport, V6 Wolfsburg, VR6 | 6 Cyl 3.6 L GAS
  • Volkswagen Oil Pressure Switch - 038-919-081-K
    Diagram for Volkswagen Oil Pressure Switch - 038-919-081-K
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    Volkswagen Oil Pressure Sensor Part Number: 038-919-081-K

    $26.57 MSRP: $44.30
    You Save: $17.73 (41%)
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    Product Specifications
    • Other Name: Switch; Oil Pressure Sensor, Oil Pressure Switch
    • Replaces: 038-919-081-C, 038-919-081
    Fits the following Volkswagen Models:
    • Arteon | 2019-2023 | SE, SE R-Line, SEL, SEL Premium, SEL Premium R-Line, SEL R-Line | 4 Cyl 2.0 L GAS
    • Atlas | 2018-2022 | S, SE, SEL, SEL Premium | 4 Cyl 2.0 L GAS
    • Atlas Cross Sport | 2020-2022 | S, SE, SEL | 4 Cyl 2.0 L GAS
    • Beetle | 2012-2019, 2002-2006 | #PinkBeetle, Base, Classic, Coast, Denim, Dune, Final Edition SE, Final Edition SEL, Fleet Edition, GL, GLS, GLS TDI, S, SE, SEL, Sport, TDI, Turbo S, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
    • GTI | 2015-2023 | 40th Anniversary Edition, Autobahn, Rabbit Edition, S, SE, Sport | 4 Cyl 2.0 L GAS
    • Golf | 2010-2018, 1999-2006 | Base, GL, GL TDI, GLS, GLS TDI, Launch Edition, S, SE, SEL, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL
    • Golf Alltrack | 2017-2019 | S, SE, SEL | 4 Cyl 1.8 L GAS
    • Golf R | 2015-2019 | Base | 4 Cyl 2.0 L GAS
    • Golf SportWagen | 2015-2019 | Limited Edition, S, SE, SEL | 4 Cyl 1.8 L GAS
    • Jetta | 2018, 2011-2015, 1999-2006 | S, SE, SE Sport, SEL, Sport, TDI, TDI Premium | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 5 Cyl 2.5 L GAS
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  • Volkswagen Oil Pressure Switch - 049-919-563-A
    Diagram for Volkswagen Oil Pressure Switch - 049-919-563-A
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    Volkswagen Oil Pressure Sending Unit Part Number: 049-919-563-A

    $27.12 MSRP: $45.20
    You Save: $18.08 (40%)
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    Product Specifications
    • Other Name: Sender
    Fits the following Volkswagen Models:
    • Passat | 1991-1992 | CL, GL | 4 Cyl 2.0 L GAS
  • Volkswagen Oil Pressure Switch - 06K-919-081-B
    Diagram for Volkswagen Oil Pressure Switch - 06K-919-081-B
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    Volkswagen Oil Pressure Sending Unit Part Number: 06K-919-081-B

    $30.35 MSRP: $50.59
    You Save: $20.24 (41%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Jetta | 2014-2017 | SE, SEL, SEL Premium, Sport | 4 Cyl 1.8 L GAS
    • Passat | 2014-2018 | Limited Edition, R-Line, S, SE, SEL, SEL Premium, Sport, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
  • Volkswagen Oil Pressure Switch - 06A-919-081-J
    Diagram for Volkswagen Oil Pressure Switch - 06A-919-081-J
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    Volkswagen Oil Pressure Switch Part Number: 06A-919-081-J

    $30.48 MSRP: $50.81
    You Save: $20.33 (41%)
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    Product Specifications
    • Other Name: Switch; Oil Pressure Switch
    • Replaces: 06A-919-081-F, 06A-919-081-A, 06A-919-081-D, 06A-919-081-E
    Fits the following Volkswagen Models:
    • Beetle | 2012-2017, 1998-2005 | GL, GLS, GLS TDI, GSR, R-Line, R-Line S, R-Line SE, R-Line SEL, Sport, TDI, Turbo, Turbo S | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS
    • CC | 2009-2017 | Executive, Lux, Lux Limited, Lux Plus, Luxury, R-Line, R-Line Executive, Sport, Sport Plus, Trend | 4 Cyl 2.0 L GAS
    • Eos | 2009-2016 | Executive, Final Edition, Komfort, Lux, Sport | 4 Cyl 2.0 L GAS
    • EuroVan | 2003 | GLS, MV | 6 Cyl 2.8 L GAS
    • GTI | 2008-2014 | Base, Driver's Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS
    • Golf | 1999-2006 | GL, GLS, GTI, GTI 1.8T, GTI GLS, GTI GLX, GTI VR6, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Jetta | 2009-2017, 2002-2005 | Base, GL, GLI, GLI SE, GLI SEL, GLS, S, SEL, TDI, TDI Cup Edition, TDI Premium, Wolfsburg Edition | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Passat | 2009-2010, 2001-2005 | GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion, Komfort | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Phaeton | 2004-2006 | V8, W12 | 12 Cyl 6.0 L GAS, 8 Cyl 4.2 L GAS
    • R32 | 2004 | Base | 6 Cyl 3.2 L GAS
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  • Volkswagen Oil Pressure Switch - 038-919-081-H
    Diagram for Volkswagen Oil Pressure Switch - 038-919-081-H
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    Volkswagen Oil Pressure Sensor Part Number: 038-919-081-H

    $31.49 MSRP: $52.48
    You Save: $20.99 (40%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Golf R | 2022 | Base | 4 Cyl 2.0 L GAS
    • Passat | 2020-2022 | Limited Edition, R-Line, S, SE, SEL | 4 Cyl 2.0 L GAS
  • Volkswagen Oil Pressure Switch - 068-919-081-D
    Diagram for Volkswagen Oil Pressure Switch - 068-919-081-D
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    Volkswagen Oil Pressure Sending Unit Part Number: 068-919-081-D

    $31.49 MSRP: $52.48
    You Save: $20.99 (40%)
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    Product Specifications
    • Other Name: Switch
    • Replaces: 068-919-081
    Fits the following Volkswagen Models:
    • Cabriolet | 1991-1993 | Base, Carat, Classic, Etienne Aigner, Wolfsburg Edition | 4 Cyl 1.8 L GAS
    • Corrado | 1990-1994 | G60, SLC | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
    • EuroVan | 1997, 1995 | Base, Camper, GLS, Transport | 5 Cyl 2.4 L DIESEL, 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
    • Fox | 1991-1993 | Base, GL | 4 Cyl 1.8 L GAS
    • Golf | 1991-1994 | Base, CL, GL, GTI, GTI 16-Valve, GTI 8-Valve, Limited Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS
    • Jetta | 1984-1994 | Base, Carat, GL, GLI, GLI 16-Valve, GLS, Limited Edition, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
    • Passat | 1991-1994 | CL, GL, GLX | 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Quantum | 1985-1988 | Base, GL, Syncro | 4 Cyl 1.8 L GAS, 5 Cyl 2.2 L GAS
    • Rabbit | 1984 | L | 4 Cyl 1.6 L DIESEL
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  • Volkswagen Oil Pressure Switch - 04E-919-081-A
    Diagram for Volkswagen Oil Pressure Switch - 04E-919-081-A
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    Volkswagen Oil Pressure Sending Unit Part Number: 04E-919-081-A

    $31.99 MSRP: $53.32
    You Save: $21.33 (40%)
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    Product Specifications
    • Other Name: Switch; Oil Pressure Sending Unit
    • Replaces: 06H-919-081-A, 06H-919-081
    Fits the following Volkswagen Models:
    • Golf SportWagen | 2019 | S, SE | 4 Cyl 1.4 L GAS
    • Jetta | 2019-2021 | R-Line, S, SE, SEL, SEL Premium | 4 Cyl 1.4 L GAS
  • Volkswagen Oil Pressure Switch - 06D-919-081-B
    Diagram for Volkswagen Oil Pressure Switch - 06D-919-081-B
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    Volkswagen Oil Pressure Switch Part Number: 06D-919-081-B

    $31.99 MSRP: $53.32
    You Save: $21.33 (40%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: Switch; Oil Pressure Switch
    Fits the following Volkswagen Models:
    • Beetle | 2014, 2006 | Base, TDI | 4 Cyl 1.9 L DIESEL, 5 Cyl 2.5 L GAS
    • Eos | 2007-2009 | 2.0T, 3.2, Base, Komfort, Lux, Turbo, VR6 | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
    • GTI | 2006-2009 | Base, Fahrenheit | 4 Cyl 2.0 L GAS
    • Golf | 2010-2014 | Base | 5 Cyl 2.5 L GAS
    • Jetta | 2005-2014 | 2.0T, 2.5, GLI, S, SE, SEL, Value Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
    • Passat | 2006-2008 | 2.0T, Komfort, Lux, Turbo, Value Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS
    • Rabbit | 2006-2009 | 2.5, S | 5 Cyl 2.5 L GAS
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  • Volkswagen Oil Pressure Switch - 028-919-081-J
    Diagram for Volkswagen Oil Pressure Switch - 028-919-081-J
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    Volkswagen Oil Pressure Sending Unit Part Number: 028-919-081-J

    $31.19 MSRP: $51.98
    You Save: $20.79 (40%)
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    Product Specifications
    • Other Name: Switch
    • Replaces: 028-919-081-E, 028-919-081-G
    Fits the following Volkswagen Models:
    • Cabrio | 1995-2001 | Base, GL, GLS, GLX, High Line | 4 Cyl 2.0 L GAS
    • Golf | 1996-2006 | GL, GLS, GTI, GTI 1.8T, GTI GLS, GTI GLX, GTI VR6, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Jetta | 1995-2001 | Base, Celebration Edition, City, GL, GLS, GLX, GT, Jazz, K2, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Passat | 1995-2001 | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion, TDI | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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  • Volkswagen Oil Pressure Switch - 028-919-081-H
    Diagram for Volkswagen Oil Pressure Switch - 028-919-081-H
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    Volkswagen Fuel Gauge Part Number: 028-919-081-H

    $33.25 MSRP: $55.42
    You Save: $22.17 (40%)
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    Product Specifications
    • Other Name: Switch; Fuel Gauge
    • Replaces: 056-919-081-C, 028-919-081-D
    Fits the following Volkswagen Models:
    • EuroVan | 1993 | CL, GL, MV | 5 Cyl 2.5 L GAS
    • Transporter | 1985 | Base | 4 Cyl 1.9 L GAS
    • Vanagon | 1984-1991 | Base, Campmobile, Carat, GL, L, Syncro | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.9 L GAS, 4 Cyl 2.1 L GAS
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  • Volkswagen Oil Pressure Switch - 255-919-081
    Diagram for Volkswagen Oil Pressure Switch - 255-919-081
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    Volkswagen Oil Pressure Sending Unit Part Number: 255-919-081

    $34.88 MSRP: $58.14
    You Save: $23.26 (41%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Scirocco | 1984-1988 | 16-Valve, Base | 4 Cyl 1.8 L GAS
  • Volkswagen Oil Pressure Switch - 059-919-081-H
    Diagram for Volkswagen Oil Pressure Switch - 059-919-081-H
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    Volkswagen Oil Pressure Sending Unit Part Number: 059-919-081-H

    $12.59 MSRP: $20.65
    You Save: $8.06 (40%)
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    Product Specifications
    • Other Name: Switch; Oil Pressure Sending Unit
    Fits the following Volkswagen Models:
    • Jetta | 2009-2012 | TDI | 4 Cyl 2.0 L DIESEL
  • Volkswagen Oil Pressure Switch - 038-919-081-N
    Diagram for Volkswagen Oil Pressure Switch - 038-919-081-N
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    Volkswagen Oil Pressure Sending Unit Part Number: 038-919-081-N

    $18.17 MSRP: $29.79
    You Save: $11.62 (40%)
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    Product Specifications
    • Other Name: Switch
    • Replaces: 038-919-081-A
    Fits the following Volkswagen Models:
    • Beetle | 1998-2001 | GL, GLS, Sport, TDI | 4 Cyl 1.9 L DIESEL
  • Volkswagen Oil Pressure Switch - 06E-919-081-C
    Diagram for Volkswagen Oil Pressure Switch - 06E-919-081-C
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    Volkswagen Oil Pressure Switch Part Number: 06E-919-081-C

    $19.32 MSRP: $31.69
    You Save: $12.37 (40%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Touareg | 2011-2015 | Hybrid | 6 Cyl 3.0 L FULL HYBRID EV-GAS (FHEV)
  • Volkswagen Oil Pressure Switch - 037-919-081-B
    Diagram for Volkswagen Oil Pressure Switch - 037-919-081-B
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    Volkswagen Oil Pressure Sending Unit Part Number: 037-919-081-B

    $21.96 MSRP: $36.00
    You Save: $14.04 (39%)
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    Product Specifications
    • Other Name: Switch
    • Replaced by: 037-919-081-E
    • Replaces: 06A-919-081-B
    Fits the following Volkswagen Models:
    • Cabrio | 2002 | GL, GLS, GLX | 4 Cyl 2.0 L GAS
  • Volkswagen Oil Pressure Switch - 06L-919-081
    Diagram for Volkswagen Oil Pressure Switch - 06L-919-081
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    Volkswagen Oil Pressure Sensor Part Number: 06L-919-081

    $27.07 MSRP: $45.12
    You Save: $18.05 (40%)
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    Product Specifications
    • Other Name: Switch; Oil Pressure Sensor
    Fits the following Volkswagen Models:
    • Arteon | 2019-2023 | SE, SE R-Line, SEL, SEL Premium, SEL Premium R-Line, SEL R-Line | 4 Cyl 2.0 L GAS
    • Atlas | 2018-2022 | S, SE, SEL, SEL Premium | 4 Cyl 2.0 L GAS
    • Atlas Cross Sport | 2020-2022 | S, SE, SEL | 4 Cyl 2.0 L GAS
    • GTI | 2015-2023 | 40th Anniversary Edition, Autobahn, Rabbit Edition, S, SE, Sport | 4 Cyl 2.0 L GAS
    • Golf | 2015-2021 | Base, Launch Edition, S, SE, SEL, TSi, Wolfsburg Edition | 4 Cyl 1.4 L GAS, 4 Cyl 1.8 L GAS
    • Golf Alltrack | 2017-2019 | S, SE, SEL | 4 Cyl 1.8 L GAS
    • Golf R | 2022, 2015-2019 | Base | 4 Cyl 2.0 L GAS
    • Golf SportWagen | 2015-2019 | Limited Edition, S, SE, SEL | 4 Cyl 1.8 L GAS
    • Jetta | 2019-2023 | GLI 35th Anniversary Edition, GLI Autobahn, GLI S | 4 Cyl 2.0 L GAS
    • Passat | 2019-2022 | Limited Edition, R-Line, S, SE, SE R-Line, SEL, Wolfsburg Edition | 4 Cyl 2.0 L GAS
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  • Volkswagen Oil Pressure Switch - 04L-919-081-B
    Diagram for Volkswagen Oil Pressure Switch - 04L-919-081-B
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    Volkswagen Oil Pressure Sending Unit Part Number: 04L-919-081-B

    $10.87 MSRP: $17.82
    You Save: $6.95 (39%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Golf SportWagen | 2015 | TDI S, TDI SE, TDI SEL | 4 Cyl 2.0 L DIESEL
    • Passat | 2015 | TDI SE, TDI SEL Premium | 4 Cyl 2.0 L DIESEL
  • Volkswagen Oil Pressure Switch - 05E-906-060-A
    Diagram for Volkswagen Oil Pressure Switch - 05E-906-060-A
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    Volkswagen Oil Pressure Sending Unit Part Number: 05E-906-060-A

    $22.66 MSRP: $37.14
    You Save: $14.48 (39%)
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    Product Specifications
    • Other Name: Sender
    Fits the following Volkswagen Models:
    • Jetta | 2022-2023 | S, SE, SEL, Sport | 4 Cyl 1.5 L GAS
    • Taos | 2022 | S, SE, SEL | 4 Cyl 1.5 L GAS
  • Volkswagen Oil Pressure Switch - 068-919-081-A
    Diagram for Volkswagen Oil Pressure Switch - 068-919-081-A
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    Volkswagen Oil Pressure Sending Unit Part Number: 068-919-081-A

    $26.26 MSRP: $43.76
    You Save: $17.50 (40%)
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    Product Specifications
    • Other Name: Switch
    Fits the following Volkswagen Models:
    • Corrado | 1990-1994 | G60, SLC | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
    • EuroVan | 1999-2002 | GLS, MV | 6 Cyl 2.8 L GAS
    • Golf | 1991-1992 | GTI 16-Valve, GTI 8-Valve | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
    • Jetta | 1985-1992 | Base, Carat, GL, GLI, GLI 16-Valve, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
    • Passat | 1993-1994 | GL, GLX | 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
    • Vanagon | 1986-1991 | Base, Campmobile, Carat, GL, L, Syncro | 4 Cyl 2.1 L GAS
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1-20 of 24 Results

Volkswagen Oil Pressure Switch

The Volkswagen Oil Pressure Switch stands guard over every VW powerplant by sensing the force of the lubricant in real time and lighting up the dash when readings get out of range, saving metal parts from grinding and keeping performance crisp. Brand drivers love this unsung hero, but they also love the brand that surrounds it. Founded in Wolfsburg with the aim of a people car, VW has become an international icon of intelligent engineering, from the iconic Beetle and the versatile Type 2 van to today's sleek sedans, crossovers, and the forward-looking electric ID series. Consistent styling, powerful TSI turbo engines, and the adaptable MQB platform give models energetic acceleration while helping to keep costs reasonable. Inside, digital cockpits, touchscreen MIB infotainment, and helpful park assist systems make it a friendly space that feels modern and intuitive to any age of driver. Clean lines, reliable construction, and a commitment to future mobility make every VW a well-rounded choice for daily travel or long adventures. Matching that philosophy, the Oil Pressure Switch employs a simple spring and diaphragm to convert changes in pressure to an electrical signal that flips a warning lamp the instant flow weakens or spikes. By providing this rapid alert, the switch ensures the safety of power, efficiency, and engine life for the entire lineup without requiring special calibration for individual models.

Buying OEM parts is a smart move to keep your long-term repair costs low. These components are built to last because VW uses such strict factory standards. At VWPartsGiant.com, it is easy to find genuine Volkswagen Oil Pressure Switch at prices that actually beat the competition. You get a real manufacturer's warranty with every single part, so you know your purchase is safe. Plus, forget about return headaches since our policy is easy and worry-free. We ship your order fast, too. If you have questions, our team of parts experts is ready to help. Why wait? Start shopping now!

Volkswagen Oil Pressure Switch Parts and Q&A

  • Q: Where are the oil pressure switches located, and How to remove and install them on Volkswagen Jetta?
    A:
    On 1.4L engines, the oil pressure switch is located on the rear of the engine block, behind the driveaxle heat shield. To access it, raise and support the front of the vehicle on jackstands, remove the engine undercover, and take out the passenger's driveaxle heat shield bolts to remove the heat shield. Disconnect the electrical connector from the switch, unscrew and remove the switch from the engine block, discard the old seal, and use a new one for installation if reusing the switch. The installation follows the reverse order of removal. The reduced oil pressure switch on 1.4L engines is found on the front of the engine block near the alternator. Detach the EVAP canister purge valve from the intake manifold, locate the switch, disconnect the electrical connector, unscrew and remove the switch, discard the old seal, and use a new one for installation if reusing the switch, with installation being the reverse of removal. For 1.8L, 2.0L, and 2.5L engines, the oil pressure and reduced oil pressure switches are positioned differently: on 2.0L CBPA engines, both switches are on the oil filter housing, while on other 1.8L and 2.0L engines, the oil pressure switch is on the rear of the engine block and the reduced oil pressure switch is on the oil filter housing assembly. In 2.5L engines, both switches are located on the engine block near the oil filter housing assembly. For 2.0L CBPA engines, the EVAP canister must be removed. To remove the oil pressure switch on 1.8L and 2.0L engines (except CBPA), raise and support the front of the vehicle, locate the switches, disconnect the electrical connector, unscrew the switch from the engine block or oil filter housing, discard the old seal, and use a new one for installation if reusing the switch, with installation being the reverse of removal.
  • Q: Could low engine oil pressure be a sign that the Oil Pressure Switch needs attention on Volkswagen Passat?
    A:
    When the engine oil pressure is low, it may indicate that the engine requires rebuilding as a low oil pressure indicator, also known as an idiot light, only becomes active when oil pressure becomes dangerously low, whereas a factory oil pressure gauge gives a relative reading, but it is more informative than an idiot light. A more sure diagnosis of this would include the mechanical use of an oil pressure gauge coupled with an accurate tachometer to evaluate the performance of the engine in regards to the oil pressure of the engine in relation to the manufactures specification. In order to perform this test, take out the oil pressure indicator sending unit, then install a fitting which will be connected to a hand-held mechanical oil pressure gauge so that the threads are directly connected using a Teflon tape or sealant. Install a proper tachometer to the engine next as per the instructions of the manufacturer. Lastly, measure the pressure of the oil when the engine is running at full operating temperature and at the recommended engine speed and compare the measurements; when the pressure is very low it could be an indication that the bearings or the oil pump are worn out.

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