What is the purpose and components of the EGR system and EGR Valve for the Ford Expedition?

The EGR system reduces NOx emissions by recirculating exhaust gases into the intake manifold, with the flow rate given by the Differential Pressure Feedback (DPFE) system. This system includes the EGR valve, vacuum regulator, DPFE sensor, PCM, EGR pipe, and vacuum and pressure lines. Issues can be diagnosed using trouble codes. Excessive flow causes rough running or stalling and insufficient flow leads to high combustion temperatures.

Genuine Ford Expedition EGR Valve

Emissions EGR Valve

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21 EGR Valves found

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Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: XL3Z-9D475-CA
$82.61 MSRP: $136.55
You Save: $53.94 (40%)
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Product Specifications
- Other Name: EGR Valve
- Replaces: F75Z-9D475-C4A, XL3Z-9D475-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2004 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L, 8 Cyl 5.4L Modular SOHC | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R100, 4AT 4R70W, 4AT 4R75W, 4AT E4OD, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Valve Assembly
Part Number: E8AZ-9H465-A
$21.43 MSRP: $31.33
You Save: $9.90 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assy
- Replaced by: 6L3Z-9H465-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
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Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: F37Z-9D475-C
$79.31 MSRP: $131.09
You Save: $51.78 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
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Ford Expedition Valve - Exhaust Gas
Part Number: F57Z-9D475-B
$77.22 MSRP: $127.64
You Save: $50.42 (40%)
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Product Specifications
- Replaced by: XF1Z-9D475-CB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
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Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: XL3Z-9D475-DA
$79.31 MSRP: $131.09
You Save: $51.78 (40%)
ADD TO CART
Product Specifications
- Replaced by: XL3Z-9D475-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2004 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT 4R75W, 4AT E4OD, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: F87Z-9D475-A2A
$79.31 MSRP: $131.09
You Save: $51.78 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve Assembly
Part Number: E8AZ-9H465-B
$31.94 MSRP: $45.50
You Save: $13.56 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Replaced by: 6L3Z-9H465-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2005 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 5.4L, 8 Cyl 5.4L Modular SOHC | 4AT 4R100, 4AT 4R70W, 4AT 4R75W, 4AT E4OD, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: F77Z-9D475-F2A
$76.89 MSRP: $127.09
You Save: $50.20 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas
Part Number: F75Z-9D475-C4A
$82.61 MSRP: $136.55
You Save: $53.94 (40%)
ADD TO CART
Product Specifications
- Replaced by: XL3Z-9D475-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: XL3Z-9D475-BB
$82.61 MSRP: $136.55
You Save: $53.94 (40%)
ADD TO CART
Product Specifications
- Replaced by: XL3Z-9D475-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W
View related parts
Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: F7UZ-9D475-A4A
$58.41 MSRP: $96.55
You Save: $38.14 (40%)
ADD TO CART
Product Specifications
- Replaced by: XC2Z-9D475-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas
Part Number: F65Z-9D475-B
$79.31 MSRP: $131.09
You Save: $51.78 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: F75Z-9D475-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Ford Expedition | 8 Cyl 4.6L | 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition VALVE - EXHAUST GAS RECIRCULAT
Part Number: ML3Z-9D475-A
$45.70 MSRP: $71.64
You Save: $25.94 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2023 Ford Expedition | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
View related parts
Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: F75Z-9D475-DA
$82.19 MSRP: $131.09
You Save: $48.90 (38%)
Product Specifications
- Other Name: EGR Valve
- Replaces: F65Z-9D475-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas Recirculation
Part Number: XL3Z-9D475-A
$82.19 MSRP: $131.09
You Save: $48.90 (38%)
Product Specifications
- Other Name: EGR Valve
- Replaces: XL3Z-9D475-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2004 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 5.4L | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R100, 4AT 4R70W, 4AT 4R75W, 4AT E4OD, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Valve - Exhaust Gas
Part Number: F37Z-9D475-B
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation
- Manufacturer Note: Valve assy. (E.G.R.) #F37E 9D475-B2A,B4A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas
Part Number: F55Y-9D475-A
Product Specifications
- Replaced by: XF3Z-9D475-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas
Part Number: F4TZ-9D475-A
$0.00
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve - Exhaust Gas
Part Number: F6TZ-9D475-E
$0.00
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD
View related parts
Ford Expedition Valve Exhaust Gas Reci
Part Number: F3XY9D475B
Product Specifications
- Other Name: Valve - Exhaust Gas Recirculation; EGR Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Ford Expedition | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD

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Ford Expedition EGR Valve Parts Questions & Experts Answers

Valve - Exhaust Gas
F57Z-9D475-B
Q: What is the purpose and components of the EGR system and EGR Valve for the Ford Expedition?
A: The EGR system reduces NOx emissions by recirculating exhaust gases into the intake manifold, with the flow rate given by the Differential Pressure Feedback (DPFE) system. This system includes the EGR valve, vacuum regulator, DPFE sensor, PCM, EGR pipe, and vacuum and pressure lines. Issues can be diagnosed using trouble codes. Excessive flow causes rough running or stalling and insufficient flow leads to high combustion temperatures.

Related Ford Expedition Parts

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