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GM 12635958
Pressure Switch

1995-2011 GM

Customer Questions & Expert Answers (18)
GM 12635958 Pressure Switch
GM 12635958 Pressure Switch
GM 12635958 Pressure Switch
GM 12635958 Pressure Switch
GM 12635958 Pressure Switch
  • Part Description
    Switch Assembly-Engine Oil Pressure Indicator; Engine Oil Pressure Switch; Oil Pressure Sensor; Oil Pressure Switch
  • Replaced By
    19436254
  • Manufacturer
    General Motors
Make sure this part fits
$31.67 MSRP: $50.28
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  • 12635958 Pressure Switch is Ref No. 27 in the diagram below

    2000 Cadillac DeVille Pressure Switch Diagram for 12635958
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12635958

  • Vehicle Fitment

    Year Make Model Trim Engine
    2006-2011 Buick LucerneCXL, CXS, Super8 Cyl 4.6 L GAS
    2006-2011 Cadillac DTSBase, Livery, Luxury, Platinum, Premium8 Cyl 4.6 L GAS
    1995-2005 Cadillac DeVilleBase, Concours, d'Elegance, DHS, DTS, Protection Series8 Cyl 4.6 L GAS
    1995-2002 Cadillac EldoradoBase, ESC, ETC8 Cyl 4.6 L GAS
    1995-2004 Cadillac SevilleSLS, STS8 Cyl 4.6 L GAS
    2004-2005 Pontiac BonnevilleGXP8 Cyl 4.6 L GAS
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12635958 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12635958 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the engine oil pressure switch on Buick Lucerne? Posted by Customer
    A:
    Engine oil pressure sensor replacement requires removal of the shield's heat shield nut before moving forward to the sensor and switch. First disconnect the engine oil pressure sensor electrical connector then remove the engine oil pressure sensor. When installing this component make sure to place the engine oil pressure sensor in position before tightening to a torque value of 16 Nm (12 lb ft). Install the engine oil pressure sensor heat shield before connecting its electrical connector. Install the nut and secure it to 10 Nm (89 lb in).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the engine oil pressure switch on Cadillac DTS? Posted by Customer
    A:
    Begin by taking out the oil filter adapter before you can replace the engine oil pressure sensor or switch. Extract the engine oil pressure switch from its mount position on the oil filter adapter. When installing the sensor replace it with the engine oil pressure switch back onto the oil filter adapter then secure it with 16 N.m (12 lb ft). Once done replace the oil filter adapter. Put the vehicle into its lowest position before you set the engine oil to reach the entire mark. The engine inspection for leakage should begin after starting the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to service the Oil Pressure Switch on Cadillac Eldorado? Posted by Customer
    A:
    To service the oil pressure switch, initial 1, raise and support the vehicle. Unplug the electrical connector from the oil pressure sender and take off the oil pressure sender from the oil filter adapter. During an installation, you should install the oil pressure sender to the oil filter adapter and tighten it to 16 N.m (12 lb ft). Next, connect the electrical connector to the oil pressure sender, lower the vehicle and check the oil, switch the engine on to observe oil leaks.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the engine oil pressure switch on Cadillac DeVille? Posted by Customer
    A:
    The first step for engine oil pressure sensor or switch replacement starts with raising the vehicle then supporting it. Use a screwdriver to disconnect the electrical connector from the oil pressure switch and pull the oil pressure switch out of the oil filter adapter housing . You must install the oil pressure switch onto the oil filter adapter while making sure to tighten it to 16 N.m (12 lb ft) following Component Fastener Tightening Notice instructions. Connect the electrical connector to the oil pressure switch before lowering the vehicle and checking the engine oil level while adding oil if needed. To complete the task turn the power on while inspecting for any fluid leakage.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the engine oil pressure switch on Cadillac Seville? Posted by Customer
    A:
    You need to raise the vehicle for sensor and switch replacement work on the engine oil pressure system. The electrical connector of the engine oil pressure switch requires unhooking before the switch can be removed from the oil filter adapter. When installing the engine oil pressure switch onto the oil filter adapter it should receive a torque specification of 16 Nm (12 ft. lbs.). Reinstall the electrical connector to the engine oil pressure switch before lowering the vehicle. Adjust the engine oil to the full mark level and tighten the pressure switch to 16 Nm (12 ft. lbs.). Bleeding and leak tests should take place following the engine startup.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the final step after reconnecting the electrical connector for the 2008 Buick Lucerne? Posted by Customer
    A:
    Lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What should be done after installing the new oil pressure sensor for the 2007 Buick Lucerne? Posted by Customer
    A:
    Reconnect the engine harness electrical connector to the oil pressure sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What is important to ensure during the installation of the new oil pressure sensor for the 2006 Buick Lucerne? Posted by Customer
    A:
    Follow the fastener notice and tighten the engine oil pressure sensor to 16 Nm (12 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What is the next step after installing the switch for the 2002 Cadillac DeVille? Posted by Customer
    A:
    Connect the electrical connector to the engine oil pressure switch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What is the next step after connecting the electrical connector for the 2004 Cadillac DeVille? Posted by Customer
    A:
    Lower the vehicle and adjust the engine oil level to the full mark.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What should be done after raising the 2000 Cadillac DeVille? Posted by Customer
    A:
    Disconnect the electrical connector from the oil pressure switch and remove the oil pressure switch from the oil filter adapter housing.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What is the first step to replace the engine oil pressure sensor or switch for the 2002 Cadillac Eldorado? Posted by Customer
    A:
    Raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What is the first step to replace the engine oil pressure sensor or switch for the 2007 Cadillac DTS? Posted by Customer
    A:
    First, remove the oil filter adapter.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    How do you install the oil pressure switch for the 2000 Cadillac Eldorado? Posted by Customer
    A:
    Install the oil pressure switch to the oil filter adapter and tighten it to 16 N.m (12 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    How do you install the new oil pressure switch for the 2001 Cadillac Seville? Posted by Customer
    A:
    Install the oil pressure switch to the oil filter adapter and tighten it to 16 N.m (12 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What should be done after raising the 2000 Cadillac Seville? Posted by Customer
    A:
    Disconnect the electrical connector from the oil pressure switch and remove the oil pressure switch from the oil filter adapter.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    Q:
    What is the torque specification for tightening the engine oil pressure switch during installation for the 2004 Cadillac Seville? Posted by Customer
    A:
    Ensure to tighten the engine oil pressure switch to 16 Nm (12 ft. lbs.) when installing it back onto the oil filter adapter.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oil Pressure Switch
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Pressure Switch 12635958 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12635958 Pressure Switch is available in the market under the name GM Oil Pressure Switch. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12635958 Pressure Switch fits certain Cadillac DTS, DeVille, Eldorado models, as well as Buick Lucerne. Additionally, it is compatible with Pontiac Bonneville models.
The original GM component designated by manufacturer part number 12635958 maintains top performance when functioning as the Switch Assembly-Engine Oil Pressure Indicator; Engine Oil Pressure Switch; Oil Pressure Sensor; Oil Pressure Switch unit. The component 12635958 is constructed from durable material and its dimensions span 2.9 x 1.6 x 1.2 inches while weighing 0.40 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Pressure Sensor; Oil Pressure Sending Unit; Sensor; Switch, Engine Oil Pressure/Temperature. The part 12635958 has available replacement options listed under 19436254. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.