What is the general procedure for replacing the EGR Cooler and EGR Valve on a 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 Cooler

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6 EGR Coolers found

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Toyota Prius EGR Pipe Sub-Assembly with Cooler
Part Number: 25601-37010
$370.61 MSRP: $552.88
You Save: $182.27 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Sub-Assy, EGR W/Cooler; Cooler, EGR Pipe
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
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Toyota Prius EGR Pipe Sub-Assembly with Cooler
Part Number: 25601-37020
$18.31 MSRP: $25.60
You Save: $7.29 (29%)
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Product Specifications
- Other Name: Pipe Sub-Assy, EGR W/Cooler; Cooler, EGR Cooler, EGR Modulator
- Replaced by: 16281-37191
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Exhaust Gas Regulation Pipe Sub-Assembly with Cooler
Part Number: 25601-37060
$364.48 MSRP: $543.73
You Save: $179.25 (33%)
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Product Specifications
- Other Name: PIPE SUB-ASSY, EGR W
- Manufacturer Note: MEXICO SPEC
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2021-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Exhaust Gas Regulation Pipe Sub-Assembly with Cooler
Part Number: 25601-37050
$382.66 MSRP: $570.85
You Save: $188.19 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: PIPE SUB-ASSY, EGR W; Cooler, EGR Cooler
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2021-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Cooler Assembly, EGR
Part Number: 25680-24030
$515.23 MSRP: $768.62
You Save: $253.39 (33%)
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Product Specifications
- Other Name: Cooler, EGR Cooler, EGR Modulator
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2023-2024 Toyota Prius | 4 Cyl 2.0L | M20AFXS; MXWH60L-AHXEBA, MXWH60L-AHXGBA, MXWH60L-AHXHBA, MXWH61L-AHXEBA, MXWH61L-AHXGBA, MXWH61L-AHXHBA, MXWH65L-AHXEBA, MXWH65L-AHXGBA, MXWH65L-AHXHBA
View related parts
Toyota Prius EGR Pipe Sub-Assembly with Cooler
Part Number: 25601-37030
$518.64 MSRP: $773.70
You Save: $255.06 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Sub-Assy, EGR W/Cooler
- Manufacturer Note: MEXICO SPEC
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA

Toyota Prius EGR Cooler

The Toyota Prius EGR Cooler helps to reduce exhaust gas temperatures before they are fed back into the intake to control emissions and protect the engine. Located in the exhaust gas recirculation system of Toyota cars, the EGR Cooler includes internal tubes where hot gas flows. Surrounding passages hold engine coolant, so heat transfers from the gas to the coolant. The Toyota device reduces the formation of nitrogen oxide, which in turn enables better fuel efficiency. This is important for an OEM to be able to meet strict standards and extend the life of the engine. The device cools the exhaust and sends it back into combustion or the combustion chamber. A sudden drop in coolant level or unexplained movement of fluid into the overflow bottle could suggest that the EGR Cooler within your standard Prius powertrain is leaking. In this case, coolant may flow back through the exhaust path rather than escaping the engine. Ignoring such signs could allow for buildup of damage. The EGR Cooler must operate reliably to ensure overall Prius performance. Due to the Toyota system's requirement that the temperature of gas must be precise, the Prius EGR Cooler is useful every day.

If you are in demand for superior quality and affordable OEM Toyota Prius EGR Cooler, then shop with us! We own a wide range of the reduced-priced genuine Toyota Prius EGR Cooler. You can purchase in confidence as all parts come with a manufacturer's warranty. Any issues with our products? No need to worry as we have a hassle-free return policy to guide you every step of the way.

Toyota Prius EGR Cooler Parts Questions & Experts Answers

EGR Pipe Sub-Assembly with Cooler
25601-37010
Q: What is the general procedure for replacing the EGR Cooler and EGR Valve on a 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.