[Lifetime Warranty] 12677836 Engine Oil Pressure Sensor
12677836 engine oil pressure sensor switch with BlueStars packaging.
12677836 engine oil pressure sensor close-up view with promotional graphic and truck background.
12677836 engine oil pressure sensor with close-up views of the threaded metal port and black plastic electrical connector.
Comparison graphic showing 12677836 engine oil pressure sensor features versus generic alternatives.
12677836 engine oil pressure sensor shown next to a mechanic working on a car engine.
12677836 engine oil pressure sensor with black electrical connector and threaded metal housing.
BlueStars engine oil pressure sensor promotional graphic featuring a happy family driving in a car.
12677836 engine oil pressure sensor switch with BlueStars packaging.
12677836 engine oil pressure sensor close-up view with promotional graphic and truck background.
12677836 engine oil pressure sensor with close-up views of the threaded metal port and black plastic electrical connector.
Comparison graphic showing 12677836 engine oil pressure sensor features versus generic alternatives.
12677836 engine oil pressure sensor shown next to a mechanic working on a car engine.
12677836 engine oil pressure sensor with black electrical connector and threaded metal housing.
BlueStars engine oil pressure sensor promotional graphic featuring a happy family driving in a car.
Lifetime Warranty

[Lifetime Warranty] 12677836 Engine Oil Pressure Sensor

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12677836 Engine Oil Pressure Sensor

Key Features

  • Direct replacement for original equipment sensor
  • Monitors engine oil pressure and sends data to the instrument cluster gauge or warning light
  • Engineered to meet manufacturer specifications for fit, form, and function
  • Constructed with an aluminum body
  • Thread Specification: M16x1.5 straight pipe thread

Replaces / Cross-Reference Part Numbers

  • GM: 12677836
  • ACDelco: D1846A

Compatibility & Fitment

Designed for a wide range of General Motors vehicles. Always verify fitment with your vehicle's VIN. Common applications include:

  • 2003-2008 Chevrolet Silverado 1500
  • 2003-2008 GMC Sierra 1500
  • 2006-2008 Chevrolet Impala
  • 2003-2007 Chevrolet Tahoe / Suburban
  • 2003-2007 Chevrolet Trailblazer

When to Replace

Replacement is necessary when you observe symptoms of a failing sensor, such as:

  • Erratic or inaccurate oil pressure gauge readings (stuck at high, low, or zero)
  • Oil pressure warning light illuminates intermittently or stays on
  • Visible oil leak from the sensor housing

Installation Tips

  • Ensure the engine is cool before beginning installation.
  • Disconnect the negative battery terminal.
  • Clean the area around the old sensor before removal to prevent debris from entering the engine.
  • Use the correct size deep socket or oil pressure switch socket for removal and installation.
  • Verify if a gasket or thread sealant is required for your specific application.
  • Tighten the new sensor to the manufacturer's recommended torque specification to prevent leaks and damage.
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  • Perfect Fit

    Perfect Fit

    BlueStars 12677836 Oil Pressure Sensors are made exactly fit for 04-07 Buick Rainier, Cadillac, 03-08 Chevy Avalanche, 97-08 Chevy Corvette and more
  • Premium Quality

    Premium Quality

    12677836 Oil Pressure Sensor is made of strong & durable materials that prevent cracking and failing during the installation and use process
  • Saving Solution

    Saving Solution

    Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble
  • Simple Installation

    Simple Installation

    This is a relatively simple part, the installation just takes about an hour and will save you at least a hundred bucks in labor if you do it yourself
A CRITICAL PART OF THE ENGINE

A CRITICAL PART OF THE ENGINE

Our product will identify any changes to the quality and pressure of the oil in the engine, give you time to assess the problem before costly repairs are required.
HIGH-QUALITY MATERIALS

HIGH-QUALITY MATERIALS

This product is made of high-performance ABS plastic and stainless steel: lightweight, anti-rust, colorfast, durable, and stable performance.

FAQ

This sensor is designed for a wide range of GM vehicles produced between 1997 and 2010. It is a direct fit for various models across the GM lineup that utilize this specific pressure switch configuration.
A failing sensor often causes erratic oil pressure readings on your dashboard gauge, a 'check gauges' or oil pressure warning light that stays illuminated, or a gauge that remains pinned at zero or maximum pressure regardless of engine speed. In some cases, you may also notice oil leaking from the electrical connector area of the sensor itself.
Installation generally requires a deep-well socket specifically designed for oil pressure sensors to clear the electrical terminal. Depending on your vehicle's engine bay layout, you may need a swivel adapter or an extension. For most accessible engine configurations, the replacement can be completed in 30 to 60 minutes.
Always ensure the engine is completely cool before starting, as the sensor is located near hot engine components. Before installing the new unit, inspect the wiring harness connector for signs of heat damage, corrosion, or oil saturation. If the connector is damaged or filled with oil, it should be cleaned or replaced to ensure an accurate signal.
This unit is identified by part number 12677836 and is also listed under the ACDelco product line as ADO-12677836.