How to Service the EGR Valve on Mercury Mariner?

The exhaust gas recirculation servicing requires hoisting your vehicle in neutral gear position. Reset the cooling system and discard the air cleaner outlet pipe. The service process begins with removing power connections from the EGR valve before cutting the upper radiator hose and coolant hose from their respective outlets. The EGR valve requires unfastening its two securing bolts then the gasket should be discarded. Follow the removal process in reverse while installing the new EGR valve by tightening the valve to 25 Nm (18 lb-ft) and paying attention to properly clean and inspect all gasket surfaces. The completion of cooling system service requires you to fill and bleed the system.

OEM Mercury Mariner EGR Valve

Emissions EGR Valve

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7 EGR Valves found

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Mercury Mariner EGR Valve
Part Number: XR1Z-9D475-BA
$77.24 MSRP: $127.09
You Save: $49.85 (40%)
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 7L5Z-9D475-B, XR1Z-9D475-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Mercury Mariner | Base, Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Mariner EGR Valve
Part Number: 9L8Z-9D475-B
$94.26 MSRP: $155.09
You Save: $60.83 (40%)
Ships in 1-2 Business Days
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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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner EGR Valve
Part Number: 1S7Z-9D475-A
$75.47 MSRP: $124.18
You Save: $48.71 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Replaces: 1S7Z-9D475-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | Base, Convenience, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mercury Mariner EGR Valve
Part Number: 9E5Z-9D475-A
$199.76 MSRP: $320.00
You Save: $120.24 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Mariner Vacuum Solenoid
Part Number: 6M6Z-9E441-A
$165.11 MSRP: $224.68
You Save: $59.57 (27%)
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Product Specifications
- Other Name: Valve Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
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Mercury Mariner EGR Valve
Part Number: 7L8Z-9D475-AA
$196.88 MSRP: $334.55
You Save: $137.67 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; Exhaust Gas Recirculation (EGR) Valve; EGR Vacuum Solenoid
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Base, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
View related parts
Mercury Mariner 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | Luxury, Premier | 6 Cyl 3.0 L GAS

Mercury Mariner EGR Valve

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Mercury Mariner EGR Valve Parts Questions & Experts Answers

EGR Valve
YL8Z-9D475-EA
Q: How to Service the EGR Valve on Mercury Mariner?
A: The exhaust gas recirculation servicing requires hoisting your vehicle in neutral gear position. Reset the cooling system and discard the air cleaner outlet pipe. The service process begins with removing power connections from the EGR valve before cutting the upper radiator hose and coolant hose from their respective outlets. The EGR valve requires unfastening its two securing bolts then the gasket should be discarded. Follow the removal process in reverse while installing the new EGR valve by tightening the valve to 25 Nm (18 lb-ft) and paying attention to properly clean and inspect all gasket surfaces. The completion of cooling system service requires you to fill and bleed the system.