How to service and repair the Oil Pressure Switch on Mercury Grand Marquis?

Repair or servicing of the oil pressure sensor starts by detaching its electrical wire. Remove the oil pressure sensor from its installation area after disconnecting it. Plug in the wire leading to the oil pressure sensor after reinstalling it according to the removal procedure steps.

OEM Mercury Grand Marquis Oil Pressure Switch

Oil Pressure Sender Switch

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3 Oil Pressure Switches found

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Mercury Grand Marquis Oil Pressure Sensor Part Number: GC3Z-9278-B
$20.80 MSRP: $32.18
You Save: $11.38 (36%)
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Product Specifications
- Other Name: Switch Assembly - Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Gauge Sw; Pressure Switch; Oil Pressure Switch; Pressure Sensor; Sending Unit; Switch Assembly; Oil Gauge
- Replaces: 6U5Z-9278-D, 1U5Z-9278-DA, GC3Z-9278-A, SW-6357
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Oil Pressure Sending Unit Part Number: D4AZ-9278-A
$45.08 MSRP: $72.73
You Save: $27.65 (39%)
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Product Specifications
- Other Name: Switch Assembly - Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Gauge Sw; Oil Pressure Switch; Oil Gauge; Oil Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS
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Mercury Grand Marquis Oil Pressure Switch Part Number: E9SZ-9278-A
$11.72 MSRP: $18.91
You Save: $7.19 (39%)
ADD TO CART
Product Specifications
- Other Name: Switch Assembly - Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Gauge Sw; Oil Pressure Sending Unit; Oil Gauge Sending Unit
- Replaces: F4TZ-9278-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1999 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS

Mercury Grand Marquis Oil Pressure Switch

OEM Oil Pressure Switch boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Oil Pressure Switch with long life and a perfect fit. Come to our website and find genuine Mercury Grand Marquis parts. We keep a wide inventory of OEM Grand Marquis parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Mercury Grand Marquis Oil Pressure Switch is an important element that speaks of the safety and power of Mercury Grand Marquis models. Famous for its function of tracking down oil pressure and notifying the drivers when it is off its ideal OPTIMUM, this Oil Pressure Switch helps to protect the efficiency and durability of the vehicle's engine. Being an integral part of different models of Grand Marquis, the Oil Pressure Switch means that whether you own Grand Marquis 1975 or 2011, it works to boost both effectiveness and security. This switch is useful in determining oil pressure and sends signals to the dashboard; this feedback enables drivers to rectify possible problems. Mercury Grand Marquis is a sophisticated model produced by the Mercury division of Ford that ceased its production recently, but during its production years, the vehicle was valued for it high build quality and performance. The Oil Pressure Switch is thus built to absorb the daily drag and drop of the automobile making it unique from its counterpart in the market. Moreover, its necessity to fit numbers of generations of the Grand Marquis underlines its compatibility and significance to keep the car's engine perfect. Indeed, there is no doubt that by focusing on reliability the Mercury Grand Marquis Oil Pressure Switch also reinforces car performance and acts as safety factor in driving; therefore it becomes clear that it is an essential element of the Mercury Grand Marquis history.

Mercury Grand Marquis Oil Pressure Switch Parts and Q&A

Oil Pressure Sensor
GC3Z-9278-B
Q: How to service and repair the Oil Pressure Switch on Mercury Grand Marquis?
A:
Repair or servicing of the oil pressure sensor starts by detaching its electrical wire. Remove the oil pressure sensor from its installation area after disconnecting it. Plug in the wire leading to the oil pressure sensor after reinstalling it according to the removal procedure steps.