Genuine Mercury Oil Pressure Switch

Oil Pressure Sender Switch

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23 Oil Pressure Switches found

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Mercury Switch Assy - Oil Pressure
Part Number: XS2Z-9278-AA
$2.07 MSRP: $3.31
You Save: $1.24 (38%)
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Product Specifications
- Other Name: Oil Pressure Sending Unit
- Replaces: XS2Z-9278-CA
Fits the following Mercury Models:
- Cougar | 1999-2002 | 4 Cyl 2.0L | 4AT CD4E, 5MT
- Mystique | 1999-2000 | 4 Cyl 2.0L | 4AT CD4E, 5MT
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Mercury Switch Assy - Oil Pressure
Part Number: 6U5Z-9278-M
$62.70 MSRP: $103.64
You Save: $40.94 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Manufacturer Note: 3/8" NPTF
- Replaces: 1U5Z-9278-BA, 6U5Z-9278-L, SW-6362
Fits the following Mercury Models:
- Mariner | 2005-2007 | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
- Montego | 2005-2007 | 6 Cyl 3.0L DOHC EFI Modular | 6-Speed Automatic Transaxle - AWF21, CVT Select Shift Transmission, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Sender Assy - Oil Pressure
Part Number: E4ZZ-9278-A
$20.98 MSRP: $33.45
You Save: $12.47 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Pressure Sending Unit, Oil Pressure Switch
Fits the following Mercury Models:
- Capri | 1980-1986 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT AOD, 4MT, 5MT
- Cougar | 1985-1988 | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C5, 4AT AOD, 5MT
- LN7 | 1982 | 4 Cyl 1.6L | 3AT ATX, 4MT
- Zephyr | 1980-1983 | 4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L | 3AT C3, 3AT C4, 3AT C5, 4MT
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Mercury Switch Assy - Oil Pressure
Part Number: 6U5Z-9278-G
$23.71 MSRP: $37.82
You Save: $14.11 (38%)
Ships in 1 Business Day
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Product Specifications
- Replaced by: G1CZ-9278-B
Fits the following Mercury Models:
- Mariner | 2008-2011 | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Milan | 2006-2011 | 4 Cyl 2.3L, 4 Cyl 2.5L Duratec HE PFI, 4 Cyl 2.5L PFI Gas/Electric | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Switch Assy - Oil Pressure
Part Number: 6U5Z-9278-J
$103.84 MSRP: $171.64
You Save: $67.80 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6U5Z-9278-N
Fits the following Mercury Models:
- Mariner | 2008-2011 | 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Milan | 2006-2011 | 6 Cyl 3.0L DOHC EFI, 6 Cyl 3.0L OHC Duratec | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Switch Assy - Oil Pressure
Part Number: 1U5Z-9278-BA
$62.70 MSRP: $103.64
You Save: $40.94 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: 3/8" NPTF
- Replaced by: 6U5Z-9278-M
Fits the following Mercury Models:
- Mariner | 2005-2006 | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
- Montego | 2005 | 6 Cyl 3.0L DOHC EFI Modular | 6-Speed Automatic Transaxle - AWF21, CVT Select Shift Transmission, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Switch Assy - Oil Pressure
Part Number: 6U5Z-9278-D
$19.38 MSRP: $30.91
You Save: $11.53 (38%)
Ships in 1 Business Day
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Product Specifications
- Replaced by: GC3Z-9278-B
Fits the following Mercury Models:
- Grand Marquis | 2007-2011 | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- Milan | 2007-2011 | 6 Cyl 3.5L DOHC VCT SMPI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Mountaineer | 2006-2010 | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- Sable | 2008-2009 | 6 Cyl 3.5L DOHC VCT SMPI | 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F50, CVT Select Shift Transmission, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Switch Assy - Oil Pressure
Part Number: 1U5Z-9278-DA
$19.38 MSRP: $30.91
You Save: $11.53 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Replaced by: GC3Z-9278-B
Fits the following Mercury Models:
- Grand Marquis | 2000-2006 | 8 Cyl 4.6L | 4AT 4R70W
- Mountaineer | 2002-2005 | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Switch Assy - Oil Pressure
Part Number: 1S7Z-9278-AA
$2.35 MSRP: $3.75
You Save: $1.40 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Pressure Sending Unit, Pressure Switch, Switch
- Replaced by: BE8Z-9278-A
Fits the following Mercury Models:
- Mariner | 2005-2007 | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
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Mercury Switch Assy - Oil Pressure
Part Number: F5RZ-9278-A
$10.37 MSRP: $15.71
You Save: $5.34 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Gauge Sending Unit, Oil Pressure Sending Unit
Fits the following Mercury Models:
- Mystique | 1995-1999 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Sable | 1996 | 6 Cyl 3.0L | 4AT AX4N, 4AT AX4S
- Tracer | 1998-1999 | 4 Cyl 2.0L | 4AT F4E-III, 5MT
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Mercury Switch Assy - Oil Pressure
Part Number: E9SZ-9278-A
$11.61 MSRP: $18.91
You Save: $7.30 (39%)
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Product Specifications
- Replaces: F4TZ-9278-A
Fits the following Mercury Models:
- Cougar | 1986-1997 | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 4.6L, 8 Cyl 5.0L | 3AT C5, 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE, 5MT
- Grand Marquis | 1992-1999 | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE
- Mountaineer | 1997 | 8 Cyl 5.0L | 4AT 4R70W
- Sable | 1993-1994 | 6 Cyl 3.8L | 4AT 4F50N, 4AT AX4N, 4AT AX4S, 4AT AXOD, 4AT AXOD-E
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Mercury Switch Assy - Oil Pressure
Part Number: F8AZ-9278-AA
$81.98 MSRP: $162.91
You Save: $80.93 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6U5Z-9278-A
Fits the following Mercury Models:
- Cougar | 1999-2002 | 6 Cyl 2.5L | 4AT CD4E, 5MT
- Sable | 1999-2005 | 6 Cyl 3.0L | 4AT 4F50N, 4AT AX4N, 4AT AX4S, 6AT
- Tracer | 1999 | 4 Cyl 2.0L | 4AT F4E-III, 5MT
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Mercury Switch Assy - Oil Pressure
Part Number: 1U5Z-9278-AA
$81.98 MSRP: $162.91
You Save: $80.93 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6U5Z-9278-A
Fits the following Mercury Models:
- Mariner | 2005-2006 | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
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Mercury Switch Assy - Oil Pressure
Part Number: F3XY-9278-B
$20.02 MSRP: $27.36
You Save: $7.34 (27%)
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Product Specifications
- Other Name: Oil Pressure Sending Unit
- Manufacturer Note: #25240,89920
Fits the following Mercury Models:
- Villager | 1993-2002 | 6 Cyl 3.0L, 6 Cyl 3.3L | 4AT 4F20E
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Mercury Switch Assy - Oil Pressure
Part Number: E9BZ-9278-A
$15.96 MSRP: $21.80
You Save: $5.84 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Pressure Sending Unit
Fits the following Mercury Models:
- Tracer | 1991 | 4 Cyl 1.8L | 4AT 4EAT, 5MT
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Mercury Switch Assy - Oil Pressure
Part Number: 6U5Z-9278-N
$103.84 MSRP: $171.64
You Save: $67.80 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pressure Sending Unit, Pressure Switch
- Replaces: SW-6356, 6U5Z-9278-J
Fits the following Mercury Models:
- Mariner | 2008-2011 | 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Milan | 2006-2011 | 6 Cyl 3.0L DOHC EFI, 6 Cyl 3.0L OHC Duratec | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Switch Assy - Oil Pressure
Part Number: XS2Z-9278-CA
$2.07 MSRP: $3.31
You Save: $1.24 (38%)
ADD TO CART
Product Specifications
- Other Name: Oil Pressure Sending Unit
- Replaced by: XS2Z-9278-AA
Fits the following Mercury Models:
- Cougar | 1999-2002 | 4 Cyl 2.0L | 4AT CD4E, 5MT
- Mystique | 1999-2000 | 4 Cyl 2.0L | 4AT CD4E, 5MT
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Mercury Switch Assy - Oil Pressure
Part Number: D4AZ-9278-A
Fits the following Mercury Models:
- Cougar | 1981-1997 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 4.6L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE, 4MT, 5MT
- Grand Marquis | 1980-1995 | 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
- Lynx | 1981-1987 | 4 Cyl 1.6L, 4 Cyl 1.9L, 4 Cyl 2.0L | 3AT ATX, 4MT, 5MT
- Marquis | 1983-1986 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L | 3AT C3, 3AT C5, 4MT
- Mystique | 1996-1997 | 6 Cyl 2.5L | 4AT CD4E, 5MT
- Sable | 1986-1991 | 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.8L | 3AT ATX, 4AT AX4S, 4AT AXOD, 4AT AXOD-E
- Topaz | 1984-1994 | 4 Cyl 2.0L, 4 Cyl 2.3L, 6 Cyl 3.0L | 3AT ATX, 4MT, 5MT
- Tracer | 1991-1998, 1987-1989 | 4 Cyl 1.6L, 4 Cyl 1.9L, 4 Cyl 2.0L | 3AT ATX, 4AT 4EAT, 4AT F4E-III, 4AT IF4E, 4MT, 5MT
- Zephyr | 1981-1983 | 4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L | 3AT C3, 3AT C4, 3AT C5, 4MT
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Mercury Switch Assy - Oil Pressure
Part Number: EOAZ-9278-A
$0.00
Product Specifications
- Other Name: Oil Pressure Sending Unit
Fits the following Mercury Models:
- Capri | 1981-1982 | 4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4MT, 5MT
- Cougar | 1981-1982 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT AOD, 4MT
- Grand Marquis | 1981-1989 | 8 Cyl 4.2L, 8 Cyl 5.0L, 8 Cyl 5.8L | 3AT, 4AT AOD
- Marquis | 1983-1986 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L | 3AT C3, 3AT C5, 4MT
- Zephyr | 1981 | 4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L | 3AT C3, 3AT C4, 4MT
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Mercury Switch Assy - Oil Pressure
Part Number: 1U5Z-9278-FA
Product Specifications
- Manufacturer Note: 3.8L
- Replaced by: 6U5Z-9278-K
Fits the following Mercury Models:
- Monterey | 2004-2005 | 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.2L OHV EFI | 4AT AX4N, Front-Wheel Drive (Left Hand Drive), Left Hand Drive

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Mercury Oil Pressure Switch

We offer a wide variety of genuine Mercury Oil Pressure Switches at competitive prices online. Our OEM Mercury Oil Pressure Switches come with the assurance of a manufacturer's warranty, alongside a hassle-free return policy and prompt delivery service, ensuring a worry-free shopping experience.