How to Service the EGR Valve on Mercury Mariner?

Servicing EGR valve, drain cooling system, disconnect electrical connector of the EGR valve, air cleaner outlet pipe. Unscrew the upper radiator hose and the coolant hose in the EGR valve then unbolt the valve. Wipe down with a plastic object, remove the old gasket and replace.

How to service and repair the EGR valve on Mercury Cougar?

In order to service the EGR valve, disconnect hoses and remove the air cleaner outlet tube. Next, remove EGR valve and vacuum hose. Clean the gasket faces, fit a new gasket, install EGR valve, screw it in, reconnect the vacuum hose, fit the EGR tube and fit the idle air control valve.

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43 EGR Valves found

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Mercury EGR Valve Part Number: 9E5Z-9D475-A
$199.76 MSRP: $320.00
You Save: $120.24 (38%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Mariner | 2009-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Milan | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury EGR Valve Part Number: 5F9Z-9D475-BA
$100.44 MSRP: $165.27
You Save: $64.83 (40%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 5F9Z-9D475-AA
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: 5L2Z-9D475-B
$148.07 MSRP: $243.64
You Save: $95.57 (40%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 4L2Z-9D475-FB
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury EGR Valve Part Number: 9L8Z-9D475-B
$94.26 MSRP: $155.09
You Save: $60.83 (40%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: CX-2194, 9L8Z-9D475-A
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
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Mercury EGR Valve Part Number: 6R8Z-9D475-AA
$97.27 MSRP: $156.91
You Save: $59.64 (39%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 3W4Z-9D475-AC
Fits the following Mercury Models:
- Grand Marquis | 2003-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury EGR Valve Part Number: XF1Z-9D475-CB
$88.07 MSRP: $144.91
You Save: $56.84 (40%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: F3LY-9D475-A, F6LZ-9D475-AA, F7DZ-9D475-BA, F1AZ-9D475-A, F57Z-9D475-B, XF1Z-9D475-CA, F6AZ-9D475-A
Fits the following Mercury Models:
- Cougar | 1994-1996 | XR-7 | 8 Cyl 4.6 L GAS
- Grand Marquis | 1992-1995 | GS, LS | 8 Cyl 4.6 L GAS
- Sable | 1996-2000 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: XF2Z-9D475-AA
$112.79 MSRP: $212.73
You Save: $99.94 (47%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Sable | 2000 | GS, LS | 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: F6PZ-9H473-AA
$116.85 MSRP: $161.65
You Save: $44.80 (28%)
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Product Specifications
- Other Name: Valve Assembly; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Manufacturer Note: Valve-EGR (less EVP sensor)
- Replaces: F6PZ-9H473-A2B
Fits the following Mercury Models:
- Mountaineer | 1997 | Base | 8 Cyl 5.0 L GAS
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Mercury EGR Valve Part Number: F8DZ-9D475-AB
$21.26 MSRP: $29.41
You Save: $8.15 (28%)
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Product Specifications
- Other Name: Valve - Exhaust Gas; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid; Valve - Exhaust Gas Recirculation
- Manufacturer Note: 4V
Fits the following Mercury Models:
- Sable | 1996-1999 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Vacuum Solenoid Part Number: E5TZ9D474AA
$63.61 MSRP: $88.00
You Save: $24.39 (28%)
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Product Specifications
- Other Name: Valve Assembly
Fits the following Mercury Models:
- Cougar | 1985-1987 | LS | 6 Cyl 3.8 L GAS
- Marquis | 1985-1986 | Base, Brougham | 6 Cyl 3.8 L GAS
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Mercury EGR Valve Part Number: YL8Z-9D475-EA
$56.33 MSRP: $89.45
You Save: $33.12 (38%)
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Manufacturer Note: Valve asy. (EGR) #YL8E 9D475-E2C
Fits the following Mercury Models:
- Cougar | 2001-2002 | Base, S, V6 | 6 Cyl 2.5 L GAS
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: XR1Z-9D475-BA
$77.24 MSRP: $127.09
You Save: $49.85 (40%)
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 7L5Z-9D475-B, XR1Z-9D475-AB
Fits the following Mercury Models:
- Mariner | 2005-2008 | Base, Luxury, Premier | 6 Cyl 3.0 L GAS
- Sable | 2001-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: YF1Z-9D475-BB
Product Specifications
- Other Name: Valve - Exhaust Gas; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid; Valve - Exhaust Gas Recirculation
Fits the following Mercury Models:
- Sable | 2000-2005 | LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: XL3Z-9D475-A
$82.55 MSRP: $131.09
You Save: $48.54 (38%)
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: XL3Z-9D475-DA
Fits the following Mercury Models:
- Cougar | 1999-2000 | V6 | 6 Cyl 2.5 L GAS
- Mountaineer | 2002-2003 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
- Mystique | 1999-2000 | LS | 6 Cyl 2.5 L GAS
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Mercury EGR Valve Part Number: 6E5Z-9D475-BA
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury EGR Valve Part Number: E5PZ-9H473-B
Product Specifications
- Other Name: Valve Assembly; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Cougar | 1985 | Base, LS | 8 Cyl 5.0 L GAS
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Mercury EGR Valve Part Number: E6AZ-9D475-B
Product Specifications
- Other Name: Valve - Exhaust Gas; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid; Valve - Exhaust Gas Recirculation
Fits the following Mercury Models:
- Cougar | 1990-1991, 1988 | LS, XR-7 | 6 Cyl 3.8 L GAS
- Lynx | 1987 | GS, L, XR3 | 4 Cyl 1.9 L GAS
- Sable | 1991-1995, 1988 | GS, LS, LTS | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Topaz | 1988-1994 | GS, GS AWD, LS, LS AWD, LTS, LTS AWD, Sport, Sport AWD, XR5, XR5 AWD | 4 Cyl 2.3 L GAS
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Mercury EGR Valve Part Number: XS8Z-9D475-DA
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base | 4 Cyl 2.0 L GAS
- Mystique | 1999-2000 | GS, LS | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury EGR Valve Part Number: F5RZ-9D475-B
Product Specifications
- Other Name: Valve - Exhaust Gas; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Mystique | 1995-1998 | Base, GS, GS Spree, LS, LS Young America | 6 Cyl 2.5 L GAS
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Mercury EGR Valve Part Number: 2U2Z-9D475-BA
Product Specifications
- Other Name: Valve - Exhaust Gas; EGR Vacuum Solenoid
Fits the following Mercury Models:
- Cougar | 1996-1997 | XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
- Tracer | 1992-1996 | Base, Trio | 4 Cyl 1.9 L GAS

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Mercury EGR Valve Parts and Q&A

EGR Valve
1S7Z-9D475-A
Q: How to Service the EGR Valve on Mercury Mariner?
A: Servicing EGR valve, drain cooling system, disconnect electrical connector of the EGR valve, air cleaner outlet pipe. Unscrew the upper radiator hose and the coolant hose in the EGR valve then unbolt the valve. Wipe down with a plastic object, remove the old gasket and replace.
EGR Valve
XL3Z-9D475-A
Q: How to service and repair the EGR valve on Mercury Cougar?
A: In order to service the EGR valve, disconnect hoses and remove the air cleaner outlet tube. Next, remove EGR valve and vacuum hose. Clean the gasket faces, fit a new gasket, install EGR valve, screw it in, reconnect the vacuum hose, fit the EGR tube and fit the idle air control valve.