What is the general description and procedure for EGR valve and cooler replacement on Toyota Prius?

This system is fitted to models from 2010 and newer to minimize the output of NOx; exhaust gas is directed to the intake manifold through the EGR valve and decreasing combustion temperature as a result. The EGR system includes the EGR valve, the EGR cooler assembly, hoses, the ECM, and the wiring harnesses; the ECM regulates the working of the EGR valve. To get to the EGR valve and its cooler, it's necessary first to remove the windshield wiper motor and the linkage, and then the cowl top panel. Some engine coolant and air filter housing have to be drained. Subsequently, remove the two wiring harness clamps off the EGR tube and the wiring harness support bracket, then the EGR tube gasket, and finally the EGR tube. Remove the four coolant hoses from the EGR cooler and remove also the wiring along with the wiring harness clamps from the EGR valve. Last but not the least is to unscrew the mounting bolts to pull off the EGR valve and cooler assembly, parting the EGR valve with the cooler. It is an opposite process to removal with specific focus on replacing of all gaskets.

Genuine Toyota Prius EGR Valve

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Toyota Prius Valve Assembly, EGR W/MO
Part Number: 25620-37110
$297.41 MSRP: $426.47
You Save: $129.06 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, EGR
- Replaced by: 25620-37120
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2013 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
View related parts
Toyota Prius Valve Assembly, EGR W/MO
Part Number: 25620-37120
$297.41 MSRP: $426.47
You Save: $129.06 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, EGR; EGR Valve
- Replaces: 25620-37110
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
View related parts
Toyota Prius Valve Assembly, EGR W/MO
Part Number: 25620-37140
$299.74 MSRP: $429.81
You Save: $130.07 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, EGR; EGR Valve
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
View related parts
Toyota Prius Valve Assembly, EGR W/MO
Part Number: 25620-37150
$299.74 MSRP: $429.81
You Save: $130.07 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, EGR
- Manufacturer Note: MEXICO SPEC
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXEBA

Toyota Prius EGR Valve

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Toyota Prius EGR Valve Parts Questions & Experts Answers

Valve Assembly, EGR W/MO
25620-37110
Q: What is the general description and procedure for EGR valve and cooler replacement on Toyota Prius?
A: This system is fitted to models from 2010 and newer to minimize the output of NOx; exhaust gas is directed to the intake manifold through the EGR valve and decreasing combustion temperature as a result. The EGR system includes the EGR valve, the EGR cooler assembly, hoses, the ECM, and the wiring harnesses; the ECM regulates the working of the EGR valve. To get to the EGR valve and its cooler, it's necessary first to remove the windshield wiper motor and the linkage, and then the cowl top panel. Some engine coolant and air filter housing have to be drained. Subsequently, remove the two wiring harness clamps off the EGR tube and the wiring harness support bracket, then the EGR tube gasket, and finally the EGR tube. Remove the four coolant hoses from the EGR cooler and remove also the wiring along with the wiring harness clamps from the EGR valve. Last but not the least is to unscrew the mounting bolts to pull off the EGR valve and cooler assembly, parting the EGR valve with the cooler. It is an opposite process to removal with specific focus on replacing of all gaskets.