How to Properly Remove and Install the Oil Pressure Switch on a Mercury Cougar?

The service of the oil pressure switch demands initial disconnection of the battery ground cable. Lift the vehicle before you provide its support. The first step requires disconnecting the electrical connector at the oil pressure switch before switching out the pressure switch. Installation process requires performing the reverse operations of removal.

How to Service the Oil Pressure Switch on Mercury Cougar?

The first step for servicing an oil pressure switch requires the battery ground cable to be disconnected. Afterwards, the vehicle needs to be supported by a suitable lift before several more steps. The first step includes disconnecting the electrical connector from the oil pressure switch before removing the oil pressure switch. Follow the opposite steps of the removal process to install the device.

OEM Mercury Cougar Oil Pressure Switch

Oil Pressure Sender Switch

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6 Oil Pressure Switches found

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Mercury Cougar Pressure Switch Part Number: 6U5Z-9278-M
$102.89 MSRP: $172.73
You Save: $69.84 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly - Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Gauge Sw; Oil Pressure Switch; Oil Pressure Sending Unit; Oil Gauge Sending Unit
- Manufacturer Note: 3/8" NPTF
- Replaces: 1U5Z-9278-BA, 6U5Z-9278-L, SW-6362
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | Base, S, V6 | 6 Cyl 2.5 L GAS
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Mercury Cougar 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:
- 1984-1997 Mercury Cougar | Base, LS, XR-7 | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
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Mercury Cougar Oil Pressure Switch Part Number: E4ZZ-9278-A
$21.53 MSRP: $34.18
You Save: $12.65 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Gauge Sw; Oil Pressure Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1988 Mercury Cougar | Base, LS, XR-7 | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Mercury Cougar 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:
- 1989-1997 Mercury Cougar | LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
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Mercury Cougar Oil Pressure Sending Unit Part Number: XS2Z-9278-AA
$2.05 MSRP: $3.31
You Save: $1.26 (39%)
ADD TO CART
Product Specifications
- Other Name: Switch Assembly - Oil Pressure; Engine Oil Pressure Switch
- Replaces: XS2Z-9278-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | Base | 4 Cyl 2.0 L GAS
View related parts
Mercury Cougar Oil Pressure Sending Unit Part Number: D2AZ-9278-AA
Product Specifications
- Other Name: Switch Assembly - Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Gauge Sw; Oil Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Mercury Cougar | V6 | 6 Cyl 2.5 L GAS

Mercury Cougar 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 Cougar parts. We keep a wide inventory of OEM Cougar 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.

This Oil Pressure Switch part is very important and widely appreciated for its reliability and performance, which is used to monitor healthy status of the engine in different models of Cougar. This switch always has a display of oil pressure and notifies the drivers in case it deviates from the preferred level in case it is an indication of a faulty engine. Being able to maintain safe limits of oil pressure, the Oil Pressure Switch also contributes to the effective efficiency of the car by avoiding harm to the interior parts of the engine. In the past and to date, the Mercury Cougar has employed several varieties of the Oil Pressure Switches in performance of their crucial duty of monitoring pressure. The steady manner in which the component is used to measure oil pressure and report the vital information to the different systems in a car show the value of the component in Cougar models. Launched in 1966 with almost three million units built over thirty-four years, the Mercury Cougar encompasses the Mercury lineup as one of the luxurious and high-performance vehicles. The Oil Pressure Switch stands out most relevant in this respect as it is one of the components that contributes to the Cougar's invincibility brand. The Oil Pressure Switch is designed with extrapuspecific features like excellent construction hardiness and high sensitivity mark the product out in the automotive market as the Cougar owners' optimal bet for their automobiles to run as optimal as they should while on the roads.

Mercury Cougar Oil Pressure Switch Parts and Q&A

Pressure Switch
6U5Z-9278-M
Q: How to Properly Remove and Install the Oil Pressure Switch on a Mercury Cougar?
A:
The service of the oil pressure switch demands initial disconnection of the battery ground cable. Lift the vehicle before you provide its support. The first step requires disconnecting the electrical connector at the oil pressure switch before switching out the pressure switch. Installation process requires performing the reverse operations of removal.
Oil Pressure Sending Unit
XS2Z-9278-AA
Q: How to Service the Oil Pressure Switch on Mercury Cougar?
A:
The first step for servicing an oil pressure switch requires the battery ground cable to be disconnected. Afterwards, the vehicle needs to be supported by a suitable lift before several more steps. The first step includes disconnecting the electrical connector from the oil pressure switch before removing the oil pressure switch. Follow the opposite steps of the removal process to install the device.