How to service the radiator on Toyota Prius?

The radiator servicing process starts with discharging refrigerants from the refrigeration system followed by an evacuation process before adding 500 plus or minus 50 g (17.64 plus or minus 1.76 oz.) of refrigerant during which leak checks should be performed. Engine coolant drain operations should start from the radiator but complete removal is not required for the process. Disassemble the electric cooling fan assembly as well as front bumper and radiator reservoir hose before commencing work. Refrigerant system protection occurs by removing the 2 bolts from discharge and liquid tubes while torquing them to 5.4 Nm (55 kgf-cm, 48 inch lbs.) before immediately applying caps to the open fittings to stop moisture and dirt from entering. Two O-rings that received compressor oil treatment require installation on the tubes. Unscrew the bolt then detach the liquid tube as well as remove the bracket from its position. The radiator upper supports need removal by uninstalling both bolts and supports. To remove the radiator with the condenser module push it toward the engine before pulling upward until the lower radiator support clears and finishing by pulling downward. The installation procedure must be conducted in the opposite order from removal steps.

OEM Toyota Prius Radiator

Cooling Radiator

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Toyota Prius Radiator Assembly
Part Number: 16400-37311
$233.80 MSRP: $333.82
You Save: $100.02 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator
- Replaces: 16400-37310
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2020 Toyota Prius | Four, Four Touring, L Eco, LE, Limited, One, Three, Three Touring, Two, Two Eco, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Radiator Assembly
Part Number: 16400-21250
$248.02 MSRP: $354.11
You Save: $106.09 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator&Condenser; Radiator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Inverter Cooler
Part Number: G9010-47032
$427.66 MSRP: $626.73
You Save: $199.07 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator Assembly; Drive Motor Inverter Cooler; Radiator
- Replaces: G9010-47030, G9010-47031
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | Base, Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Radiator Assembly
Part Number: 16410-AZ019
$162.86 MSRP: $230.17
You Save: $67.31 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator Assembly, L/Cap; Radiator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | Base, Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Cooler Assembly
Part Number: G9010-47020
$99.30 MSRP: $139.39
You Save: $40.09 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator Assembly; Drive Motor Inverter Cooler; Radiator; Radiator Assembly, Sub W/Fan
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Radiator Assembly
Part Number: 16400-37380
$198.02 MSRP: $282.72
You Save: $84.70 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2021-2022 Toyota Prius | 2020 Edition, L Eco, LE, Limited, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Radiator Assembly
Part Number: 16400-37230
$191.07 MSRP: $272.81
You Save: $81.74 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator
- Replaced by: 16400-37240
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | Base, Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Radiator Assembly
Part Number: 16041-21281
$217.60 MSRP: $310.68
You Save: $93.08 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator Sub-Assembly, L; Radiator
- Replaces: 16041-21280
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2009 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Radiator Assembly
Part Number: 16400-F2180
$238.96 MSRP: $341.19
You Save: $102.23 (30%)
Product Specifications
- Other Name: Radiator
- Manufacturer Note: MARK=F218
- Replaces: 16400-24390
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2023 Toyota Prius | LE, Limited, XLE | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)

Toyota Prius Radiator

If you're thinking about purchasing OEM parts for your Toyota Prius, our website is your one-stop destination. We stock an extensive selection of genuine Toyota Prius Radiator at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.

Toyota Prius Radiator Parts Questions & Experts Answers

Radiator Assembly
16400-21250
Q: How to service the radiator on Toyota Prius?
A: The radiator servicing process starts with discharging refrigerants from the refrigeration system followed by an evacuation process before adding 500 plus or minus 50 g (17.64 plus or minus 1.76 oz.) of refrigerant during which leak checks should be performed. Engine coolant drain operations should start from the radiator but complete removal is not required for the process. Disassemble the electric cooling fan assembly as well as front bumper and radiator reservoir hose before commencing work. Refrigerant system protection occurs by removing the 2 bolts from discharge and liquid tubes while torquing them to 5.4 Nm (55 kgf-cm, 48 inch lbs.) before immediately applying caps to the open fittings to stop moisture and dirt from entering. Two O-rings that received compressor oil treatment require installation on the tubes. Unscrew the bolt then detach the liquid tube as well as remove the bracket from its position. The radiator upper supports need removal by uninstalling both bolts and supports. To remove the radiator with the condenser module push it toward the engine before pulling upward until the lower radiator support clears and finishing by pulling downward. The installation procedure must be conducted in the opposite order from removal steps.

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