How to Service the PCV Valve on Ford Mustang?

The first step when serving the Positive Crankcase Ventilation (PCV) valve is to disconnect the battery ground cable. The first step includes disconnecting both the PCV valve tube from the valve as well as the electrical connector. The PCV valve must receive a replacement if you take it out from the cam cover since damage to the locking system could occur. The PCV valve should be removed by turning it counterclockwise from its position against the valve cover. The reverse steps from the removal process will finish the installation.

OEM Ford Mustang PCV Valve

Position Crank Ventilation Valve

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17 PCV Valves found

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Ford Mustang PCV Valve Part Number: F6DZ-6A666-D
$37.21 MSRP: $59.09
You Save: $21.88 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: F6DZ-6A666-C, F6RZ-6A666-AA, F5RZ-6A666-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2004 Ford Mustang | Base | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS
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Ford Mustang PCV Valve Part Number: BL3Z-6A666-AA
$13.63 MSRP: $21.64
You Save: $8.01 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: BL3Z-6A666-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford Mustang | Base, V6 | 6 Cyl 3.7 L GAS
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Ford Mustang PCV Valve Part Number: 7L3Z-6A666-A
$21.49 MSRP: $34.13
You Save: $12.64 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Manufacturer Note: Valve Only
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | Bullitt, GT, GT 50 Years Limited Edition, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
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Ford Mustang PCV Valve Part Number: 4L2Z-6A666-BA
$24.30 MSRP: $38.58
You Save: $14.28 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2022 Ford Mustang | Boss 302, GT, Shelby GT350, Shelby GT350R, Shelby GT500 | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Mustang PCV Valve Part Number: 2X4Z-6A666-AA
$8.64 MSRP: $13.73
You Save: $5.09 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003 Ford Mustang | GT | 8 Cyl 4.6 L GAS
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Ford Mustang 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014, 2007-2009 Ford Mustang | Boss 302, GT, Shelby GT500, Shelby GT500KR | 8 Cyl 5.0 L GAS, 8 Cyl 5.4 L GAS
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Ford Mustang PCV Valve Part Number: 5L3Z-6A666-BA
$80.37 MSRP: $132.24
You Save: $51.87 (40%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang PCV Valve Part Number: F1DZ-6A666-B
$54.59 MSRP: $89.82
You Save: $35.23 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Assembly - Regulating; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004, 2001, 1996-1999 Ford Mustang | Base, Mach 1, SVT Cobra, SVT Cobra 10th Anniversary | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
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Ford Mustang PCV Valve Part Number: KR3Z-6A666-B
$12.99 MSRP: $21.09
You Save: $8.10 (39%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: 4L5Z-6A666-AA, EV-267
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011 Ford Mustang | Base | 6 Cyl 3.7 L GAS
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Ford Mustang PCV Valve Part Number: 1R3Z-6A666-AA
$18.06 MSRP: $24.57
You Save: $6.51 (27%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Manufacturer Note: Non Heated
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford Mustang | GT | 8 Cyl 4.6 L GAS
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Ford Mustang PCV Valve Part Number: KR3Z-6A666-A
$7.60 MSRP: $12.25
You Save: $4.65 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: AA5Z-6A666-D, EV-290
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | Dark Horse, Dark Horse Premium, GT, GT Premium | 8 Cyl 5.0 L GAS
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Ford Mustang PCV Valve Part Number: FOZZ-6A666-A
$14.77 MSRP: $23.45
You Save: $8.68 (38%)
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Product Specifications
- Other Name: Valve Assembly - Regulating; Crankcase Vent Valve
- Manufacturer Note: OHC
- Replaces: F57Z-6A666-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1993 Ford Mustang | LX | 4 Cyl 2.3 L GAS
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Ford Mustang PCV Valve Part Number: 4C2Z-6A666-AA
$133.71 MSRP: $220.00
You Save: $86.29 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2014 Ford Mustang | Shelby GT500 | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Mustang PCV Valve Part Number: D9ZZ-6A666-A
Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-2002 Ford Mustang | GT, GT Bullitt, GT-350 20th Anniversary, GTS, L, LX, SVT Cobra, SVT Cobra R | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
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Ford Mustang PCV Valve Part Number: E5ZZ-6A666-A
Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1987-1991 Ford Mustang | LX | 4 Cyl 2.3 L GAS
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Ford Mustang 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1998 Ford Mustang | Base, SVT Cobra | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
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Ford Mustang PCV Valve Part Number: 1R3Z-6A666-BA
Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford Mustang | GT | 8 Cyl 4.6 L GAS

Ford Mustang PCV Valve

OEM PCV Valve boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get PCV Valve with long life and a perfect fit. Come to our website and find genuine Ford Mustang parts. We keep a wide inventory of OEM Mustang 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.

Engineers in the Ford Mustang Automobile manufacture fitted the PCV Valve to assist in combating emission and maintaining the engine efficiency. The PCV Valve directs gases from the crankcase back into the combustion chambers for safe burning not polluting the environment and causing oil sludge buildup. While performance-based is activated by intake manifold vacuum situations, the PCV Valve reduced when the crankcase gas flow is at idle and only opens up when the RPMs are high for proper crankcase ventilation. In addition, the PCV Valve is also a flame arrester and to some extent could also improve the compression of the engine. This maintains the costing of huge repairs and optimizes on the overall performance of the vehicles with the PCV Valve.

Ford Mustang PCV Valve Parts and Q&A

PCV Valve
5L3Z-6A666-BA
Q: How to Service the PCV Valve on Ford Mustang?
A:
The first step when serving the Positive Crankcase Ventilation (PCV) valve is to disconnect the battery ground cable. The first step includes disconnecting both the PCV valve tube from the valve as well as the electrical connector. The PCV valve must receive a replacement if you take it out from the cam cover since damage to the locking system could occur. The PCV valve should be removed by turning it counterclockwise from its position against the valve cover. The reverse steps from the removal process will finish the installation.