How to replace the EGR valve in Subaru Legacy?

An Exhaust Gas Recirculation (EGR) system is available in these non-turbocharged Legacy and Outback models manufactured in 2003 and later, as well as non-turbocharged Forester models made in 2004 and onwards. The EGR system decreases nitrogen oxide (NOx) emission that is a poisonous substance, which can lead to health issues. Disconnect the cable from the negative battery terminal to change/replace an EGR valve. Remove the electrical connector from the EGR valve and unbolt the EGR mounting bolts to disconnect it from intake manifold. Throw away old gasket of EGR valve and clean off any exhaust residues on mating surfaces. Be careful not to immerse EGR valve into solvents or degreasers since it may puncture the diaphragm inside. To remove excessive carbon deposits, use wire wheel in cleaning out passage for EGR gas flow. Finally, install a new gasket on the new EGR valve and tighten mounting bolts to specified torque values.

Genuine Subaru Legacy EGR Valve

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11 EGR Valves found

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Subaru Legacy Valve Assembly-EGR Control
Part Number: 14710AA830
$128.78 MSRP: $186.63
You Save: $57.85 (31%)
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Product Specifications
- Other Name: Valve Assembly-E.G.R. Control
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2020-2021 Subaru Legacy | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4 DI
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Subaru Legacy Valve Assembly EGR Control
Part Number: 14710AA770
$128.79 MSRP: $186.65
You Save: $57.86 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2013-2014 Subaru Legacy | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4 DOHC
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Subaru Legacy Valve Assembly-EGR Control
Part Number: 14710AA760
$140.43 MSRP: $205.30
You Save: $64.87 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2010-2012 Subaru Legacy | 2.5i, 2.5i Limited, 2.5i Premium | 2.5L H4 SOHC
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Subaru Legacy Valve Assembly E.G.R. Control
Part Number: 14710AA710
$131.55 MSRP: $190.65
You Save: $59.10 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR, EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2019 Subaru Legacy | 3.0R, 3.0R Limited, 3.0R LL-Bean, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring | 3.0L H6, 3.6L H6
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Subaru Legacy EGR Control Valve
Part Number: 14710AA530
$160.31 MSRP: $234.37
You Save: $74.06 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1995-1999 Subaru Legacy | Brighton, GT, L, LS, LS-I, Out Back, Post, SUS | 2.2L H4 , 2.2L H4 (New EVAPO), 2.5L H4
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Subaru Legacy Valve Assembly EGR Control
Part Number: 14710AA671
$180.95 MSRP: $264.55
You Save: $83.60 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2009 Subaru Legacy | 2.5i, 2.5i Base, 2.5i Limited, Base | 2.5L H4
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Subaru Legacy Valve Assembly EGR Control
Part Number: 14710AA810
$128.79 MSRP: $186.65
You Save: $57.86 (31%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2019 Subaru Legacy | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4
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Subaru Legacy Valve Assembly EGR Control
Part Number: 14710AA850
$128.81 MSRP: $186.68
You Save: $57.87 (31%)
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Product Specifications
- Other Name: Valve Ay EGR Cont
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2020-2021 Subaru Legacy | 2.4R F/R-O, 2.4R Limited, 2.4R Touring | 2.4L H4 DIT
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Subaru Legacy Valve Assembly-E.G.R. Con
Part Number: 14710AA640
$200.64 MSRP: $293.33
You Save: $92.69 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2001-2004 Subaru Legacy | Flat6, Flat6 L.L.Bean, Flat6-S, SUS Flat6 | 3.0L H6
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Subaru Legacy Valve Assembly EGR Control
Part Number: 14710AA690
$192.07 MSRP: $280.80
You Save: $88.73 (32%)
Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2005 Subaru Legacy | 2.5i, 2.5i Limited, Baja, Baja-S, Base, Brighton, Cold Weather, GT, L, Limited, L-S, SUS Limited | 2.5L H4
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Subaru Legacy EGR Control Valve
Part Number: 14710AA611
Product Specifications
- Other Name: Valve Assembly-E.G.R. Control; EGR Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-1998 Subaru Legacy | Brighton, L, LS, Post | 2.2L H4 , 2.2L H4 (New EVAPO)

Subaru Legacy EGR Valve

The Subaru Legacy EGR Valve directs a measured portion of exhaust gas into the intake stream, lowering combustion temperature and reducing NOx emissions. Through the introduction of inert exhaust gas, which contains virtually no oxygen, the EGR Valve dilutes the air fuel mixture and occupies space in the combustion chamber. It also keeps peak temperatures below the level where nitrogen bonds with oxygen. The component installs in a passage between the exhaust and intake system of the Subaru Legacy. The EGR Valve opens while cruising or lightly accelerating and is closed while idle, wide open throttle, and while the engine is cold. The Subaru Legacy engine control computer can supply recirculation only when conditions are right. Flow regulation comes from an internal valve that may move through a vacuum driven diaphragm or an electric motor. A properly functioning EGR Valve reduces smog-forming gases and helps prevent engine knock. If the EGR Valve sticks due to carbon or fails mechanically, you may experience rough idle, stalling, hesitation, or elevated emissions from your Subaru Legacy.

Our website stands as the go-to online destination for OEM Subaru Legacy EGR Valve. With complete lines of genuine Subaru Legacy EGR Valve available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Legacy EGR Valve Parts Questions & Experts Answers

Valve Assembly EGR Control
14710AA671
Q:
How to replace the EGR valve in Subaru Legacy?
Posted by Jocelyn D.
A:
An Exhaust Gas Recirculation (EGR) system is available in these non-turbocharged Legacy and Outback models manufactured in 2003 and later, as well as non-turbocharged Forester models made in 2004 and onwards. The EGR system decreases nitrogen oxide (NOx) emission that is a poisonous substance, which can lead to health issues. Disconnect the cable from the negative battery terminal to change/replace an EGR valve. Remove the electrical connector from the EGR valve and unbolt the EGR mounting bolts to disconnect it from intake manifold. Throw away old gasket of EGR valve and clean off any exhaust residues on mating surfaces. Be careful not to immerse EGR valve into solvents or degreasers since it may puncture the diaphragm inside. To remove excessive carbon deposits, use wire wheel in cleaning out passage for EGR gas flow. Finally, install a new gasket on the new EGR valve and tighten mounting bolts to specified torque values.
Answered by Subaru Parts Specialist Gary / Jan 15, 2026