How to Service and Repair a Water Pump in a Hybrid Drive System on 2002 Toyota Prius?

The Hybrid Drive Water Pump service requires users to drain HV coolant followed by front bumper cover and LH headlight removal before proceeding. The first step requires disconnecting the HV water pump connector and the two water hoses before removing two securing bolts. Install the HV water pump by placing it while tightening the two screws to 7.0 N.m (70 kgf.cm, 62 in.lbf). You should reattach both water hoses as well as the connector that provides power to the HV water pump. Install the LH headlight along with the front bumper cover and fill the HV coolant reservoir.

OEM 2002 Toyota Prius Water Pump

H2O Pump

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2002 Toyota Prius Water Pump
Part Number: 16100-29157-83
$54.19 MSRP: $75.43
You Save: $21.24 (29%)
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Product Specifications
- Other Name: Pump Assembly, Water; Engine Water Pump
- Replaces: 16100-29156-83, 16100-29156, 16100-29155, 16100-29155-83
- Item Weight: 1.60 Pounds
- Condition: New
- SKU: 16100-29157-83
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2002 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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2002 Toyota Prius Water Pump
Part Number: G9020-47022
$196.07 MSRP: $279.94
You Save: $83.87 (30%)
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Product Specifications
- Other Name: Pump Assembly, Water W/M; Drive Motor Inverter Cooler Water Pump; Pump
- Replaces: G9020-47020, G9020-47021
- Item Weight: 2.40 Pounds
- Item Dimensions: 13.7 x 10.5 x 9.1 inches
- Condition: New
- SKU: G9020-47022
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2002 Toyota Prius Submodels:
- Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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2002 Toyota Prius Pump Assembly
Part Number: 87200-47020
Product Specifications
- Other Name: Accessory Assembly, Heat; Engine Auxiliary Water Pump; Pump Assembly, Water(For Heater)
- Part Name Code: 87200A
- Item Weight: 1.50 Pounds
- Item Dimensions: 6.8 x 3.7 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 87200-47020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2002 Toyota Prius Submodels:
- Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)

2002 Toyota Prius Water Pump

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2002 Toyota Prius Parts Questions & Experts Answers

Q: How to Service and Repair a Water Pump in a Hybrid Drive System on 2002 Toyota Prius?
A: The Hybrid Drive Water Pump service requires users to drain HV coolant followed by front bumper cover and LH headlight removal before proceeding. The first step requires disconnecting the HV water pump connector and the two water hoses before removing two securing bolts. Install the HV water pump by placing it while tightening the two screws to 7.0 N.m (70 kgf.cm, 62 in.lbf). You should reattach both water hoses as well as the connector that provides power to the HV water pump. Install the LH headlight along with the front bumper cover and fill the HV coolant reservoir.