Genuine Mercury Grand Marquis Oil Pressure Switch

Oil Pressure Sender Switch

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5 Oil Pressure Switches found

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Mercury Grand Marquis Switch Assy - Oil Pressure
Part Number: 6U5Z-9278-D
$19.89 MSRP: $30.91
You Save: $11.02 (36%)
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Product Specifications
- Replaced by: GC3Z-9278-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2011 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Grand Marquis Switch Assy - Oil Pressure
Part Number: 1U5Z-9278-DA
$19.89 MSRP: $30.91
You Save: $11.02 (36%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Replaced by: GC3Z-9278-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2006 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Switch Assy - Oil Pressure
Part Number: E9SZ-9278-A
$12.63 MSRP: $18.91
You Save: $6.28 (34%)
ADD TO CART
Product Specifications
- Replaces: F4TZ-9278-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1999 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE
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Mercury Grand Marquis Switch Assy - Oil Pressure
Part Number: D4AZ-9278-A
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1995 Mercury Grand Marquis | 8 Cyl 4.2L, 8 Cyl 4.6L, 8 Cyl 5.0L, 8 Cyl 5.8L | 3AT, 3AT C4, 3AT C6, 4AT, 4AT AOD, 4AT AODE
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Mercury Grand Marquis Switch Assy - Oil Pressure
Part Number: EOAZ-9278-A
$0.00
Product Specifications
- Other Name: Oil Pressure Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1981-1989 Mercury Grand Marquis | 8 Cyl 4.2L, 8 Cyl 5.0L, 8 Cyl 5.8L | 3AT, 4AT AOD

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.