Description
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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