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

In order to service the oil pressure switch, begin by removing the battery ground cable. Lift and jack the vehicle. Thereupon, loosen the electrical connection to the oil pressure switch and take the switch out. Installation: basically undo the uninstall steps.

How to service the Oil Pressure Switch on Mercury Cougar?

In order to service the oil pressure switch, begin by removing the battery ground cable. Lift and raise the vehicle and unscrew the electrical connector to the oil pressure switch and take it away. To install, just follow the steps followed during removal with inversion.

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%)
ADD TO CART
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
$21.07 MSRP: $33.45
You Save: $12.38 (38%)
Ships in 1-2 Business Days
ADD TO CART
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

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Mercury Cougar Oil Pressure Switch Parts and Q&A

Oil Pressure Sending Unit
XS2Z-9278-AA
Q: How to Properly Remove and Install the Oil Pressure Switch on a Mercury Cougar?
A: In order to service the oil pressure switch, begin by removing the battery ground cable. Lift and jack the vehicle. Thereupon, loosen the electrical connection to the oil pressure switch and take the switch out. Installation: basically undo the uninstall steps.
Pressure Switch
6U5Z-9278-M
Q: How to service the Oil Pressure Switch on Mercury Cougar?
A: In order to service the oil pressure switch, begin by removing the battery ground cable. Lift and raise the vehicle and unscrew the electrical connector to the oil pressure switch and take it away. To install, just follow the steps followed during removal with inversion.