How to Service the PCV Valve on Mercury Grand Marquis?

The servicing process for Positive Crankcase Ventilation (PCV) valve starts by detaching its crankcase ventilation tube quick connect coupling before removing the electrical connector from the valve. A new PCV valve needs installation once you remove the old one because the shearing of the plastic retaining ears occurs during removal. The new PCV valve installation follows the opposite steps of removal by rotating clockwise to install it.

How to Service the PCV Valve on Mercury Mariner?

Service of the Positive Crankcase Ventilation (PCV) valve starts by removing the intake manifold first. Press the two release tabs of the PCV valve to remove it. When installing the PCV valve follow the reversal of removal steps. Inspection and cleaning of the crankcase oil vent separator gasket must be performed before replacing it with a new gasket if needed.

How to Service the PCV Valve on Mercury Marauder?

The first step to service the Positive Crankcase Ventilation (PCV) valve begins by removing the resonator. Disconnect the PCV valve from its grommet position then extract it from both the crankcase vent connector and the hose. The reverse order should be followed for PCV valve installation.

OEM Mercury PCV Valve

Position Crank Ventilation Valve

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29 PCV Valves found

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Mercury PCV Valve
Part Number: F1DZ-6A666-B
$54.59 MSRP: $89.82
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Product Specifications
- Other Name: Valve Assembly - Regulating; Crankcase Vent Valve
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 6 Cyl 3.8 L GAS
- Sable | 1991-1995 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury PCV Valve
Part Number: 5R3Z-6A666-BA
$144.27 MSRP: $229.09
You Save: $84.82 (38%)
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Product Specifications
- Other Name: Valve Assembly - Crankcase Ventilation; Crankcase Vent Valve
Fits the following Mercury Models:
- Montego | 2005-2006 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Monterey | 2006-2007 | Luxury | 6 Cyl 4.2 L GAS
- Sable | 2004-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury PCV Valve
Part Number: 2L5Z-6A666-BA
$24.39 MSRP: $38.73
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Product Specifications
- Other Name: Kit - Crankcase Ventilation Valve; Crankcase Vent Valve
- Manufacturer Note: SOHC
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Mountaineer | 2001-2003 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
- Sable | 2000-2005 | LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
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Mercury PCV Valve
Part Number: 4L5Z-6A666-BA
$17.29 MSRP: $27.45
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Mariner | 2008 | Base, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
- Milan | 2006-2009 | Base, Premier | 4 Cyl 2.3 L GAS
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Mercury PCV Valve
Part Number: 1F1Z-6A666-AA
$14.31 MSRP: $22.73
You Save: $8.42 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Mountaineer | 2001 | Base | 6 Cyl 4.0 L GAS
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Mercury PCV Valve
Part Number: 2C5Z-6A666-AA
$78.43 MSRP: $131.67
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Manufacturer Note: With Electric Heated PCV
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
- Monterey | 2004 | Base, Premier | 6 Cyl 4.2 L GAS
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury PCV Valve
Part Number: 3L8Z-6A666-AD
$102.56 MSRP: $172.18
You Save: $69.62 (41%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Mariner | 2005-2007 | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
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Mercury PCV Valve
Part Number: 6W7Z-6A666-AA
$66.39 MSRP: $109.24
You Save: $42.85 (40%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Grand Marquis | 2007-2010 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury PCV Valve
Part Number: 5L3Z-6A666-BA
$78.77 MSRP: $132.24
You Save: $53.47 (41%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Grand Marquis | 2006 | GS, LS | 8 Cyl 4.6 L GAS
- Milan | 2006-2009 | Base, Premier | 6 Cyl 3.0 L GAS
- Montego | 2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Monterey | 2005 | Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury PCV Valve
Part Number: F6DZ-6A666-EA
$25.19 MSRP: $40.00
You Save: $14.81 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: E73Z-6A666-A, F6DZ-6A666-B2A
Fits the following Mercury Models:
- Sable | 1987-2003 | G, GS, LS, LS Premium, LTS | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Topaz | 1992-1994 | GS, LTS, Sport, XR5 | 6 Cyl 3.0 L GAS
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Mercury PCV Valve
Part Number: KR3Z-6A666-B
$13.63 MSRP: $21.09
You Save: $7.46 (36%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: 4L5Z-6A666-AA, EV-267
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 6 Cyl 3.0 L GAS
- Montego | 2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Sable | 2004-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury PCV Valve
Part Number: XF5Z-6A666-AA
$6.06 MSRP: $8.39
You Save: $2.33 (28%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Villager | 1999-2002 | Base, Estate, Sport | 6 Cyl 3.3 L GAS
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Mercury PCV Valve
Part Number: EOTZ-6A666-A
$14.22 MSRP: $22.00
You Save: $7.78 (36%)
Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Cougar | 1988-1993 | LS, XR-7 | 6 Cyl 3.8 L GAS
- Sable | 1988-1990 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury PCV Valve
Part Number: F33Z-6A666-A
Product Specifications
- Other Name: Valve Assembly - Regulation; Crankcase Vent Valve; Valve Assembly - Regulating
Fits the following Mercury Models:
- Topaz | 1992-1994 | GS, LS, LTS, Sport | 4 Cyl 2.3 L GAS
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Mercury PCV Valve
Part Number: E5ZZ-6A666-A
$14.92 MSRP: $23.09
You Save: $8.17 (36%)
Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Topaz | 1984-1985 | Base, GS, LS | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.3 L GAS
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Mercury PCV Valve
Part Number: D9ZZ-6A666-A
Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
Fits the following Mercury Models:
- Capri | 1984-1986 | RS | 8 Cyl 5.0 L GAS
- Colony Park | 1987-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Cougar | 1991-1997, 1984-1988 | Base, LS, XR-7 | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
- Grand Marquis | 1984-2002 | Base, Colony Park, GS, LS | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury PCV Valve
Part Number: E7TZ-6A666-A
Product Specifications
- Other Name: Valve Assembly - Regulating; Crankcase Vent Valve
- Manufacturer Note: *EV-140
Fits the following Mercury Models:
- Mountaineer | 1997-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury PCV Valve
Part Number: 3F2Z-6A666-AA
Product Specifications
- Other Name: Valve Assembly - Crankcase Ventilation; Crankcase Vent Valve
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury PCV Valve
Part Number: E92Z6A666A
Product Specifications
- Other Name: Shield - Fuel Tubes; Crankcase Vent Valve
Fits the following Mercury Models:
- Capri | 1991-1994 | Base, XR2 | 4 Cyl 1.6 L GAS
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Mercury PCV Valve
Part Number: E7GZ6A666A
Product Specifications
- Other Name: Shield - Fuel Tubes; Crankcase Vent Valve
Fits the following Mercury Models:
- Tracer | 1988-1989 | Base | 4 Cyl 1.6 L GAS

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1-20 of 29 Results

Mercury PCV Valve Parts Questions & Experts Answers

PCV Valve
2L3Z-6A666-AA
Q: How to Service the PCV Valve on Mercury Grand Marquis?
A: The servicing process for Positive Crankcase Ventilation (PCV) valve starts by detaching its crankcase ventilation tube quick connect coupling before removing the electrical connector from the valve. A new PCV valve needs installation once you remove the old one because the shearing of the plastic retaining ears occurs during removal. The new PCV valve installation follows the opposite steps of removal by rotating clockwise to install it.
PCV Valve
4L5Z-6A666-BA
Q: How to Service the PCV Valve on Mercury Mariner?
A: Service of the Positive Crankcase Ventilation (PCV) valve starts by removing the intake manifold first. Press the two release tabs of the PCV valve to remove it. When installing the PCV valve follow the reversal of removal steps. Inspection and cleaning of the crankcase oil vent separator gasket must be performed before replacing it with a new gasket if needed.
PCV Valve
2X4Z-6A666-AA
Q: How to Service the PCV Valve on Mercury Marauder?
A: The first step to service the Positive Crankcase Ventilation (PCV) valve begins by removing the resonator. Disconnect the PCV valve from its grommet position then extract it from both the crankcase vent connector and the hose. The reverse order should be followed for PCV valve installation.