How to replace the engine oil pressure switch on Buick Rainier?

Start the Engine Oil Pressure Sensor or Switch replacement process by lifting the vehicle with appropriate equipment. Next, remove the engine shield. Detach the connection for the oil pressure switch electrical wiring before you remove the old oil pressure switch. The installation requires observance of the fastener notice to secure the new pressure switch at 20 N.m (15 lb ft). Reposition the electrical connector onto the oil pressure switch followed by replacement of the engine shield and completion of lowering the vehicle.

OEM Buick Rainier Oil Pressure Switch

Oil Pressure Sender Switch

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2 Oil Pressure Switches found

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Buick Rainier Oil Pressure Sensor
Part Number: 12677836
$52.01 MSRP: $101.82
You Save: $49.81 (49%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Switch; Oil Pressure Sending Unit; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12562230, 12614969, 12559780, 12556117, 12573107, 12616646
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier Pressure Switch
Part Number: 12635957
$47.36 MSRP: $91.91
You Save: $44.55 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch, Engine Oil Pressure/Temperature; Oil Pressure Gauge Switch; Sensor; Switch; Pressure Sensor; Oil Pressure Sending Unit; Switch
- Replaced by: 19436253
- Replaces: 12611588, 12570964, 12590793, 12579946
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS

Buick Rainier Oil Pressure Switch

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Buick Rainier Oil Pressure Switch Parts Questions & Experts Answers

Oil Pressure Sensor
12677836
Q: How to replace the engine oil pressure switch on Buick Rainier?
A: Start the Engine Oil Pressure Sensor or Switch replacement process by lifting the vehicle with appropriate equipment. Next, remove the engine shield. Detach the connection for the oil pressure switch electrical wiring before you remove the old oil pressure switch. The installation requires observance of the fastener notice to secure the new pressure switch at 20 N.m (15 lb ft). Reposition the electrical connector onto the oil pressure switch followed by replacement of the engine shield and completion of lowering the vehicle.