How to service and repair the heater water pump on 2006 Toyota Prius?

The repair of the heater water pump requires first disconnecting heater water hose C by loosening its clamp while disconnecting the wire harness then moving the hose clip before hose separation while using caution against high force and setting up cooling water drainage. The heater water pump assembly requires removal after connector disconnection and bolt removal while discharging heater water hose A without using force stronger than needed along with leak preparation. Installation begins with heater water hose A and its hose clip facing upward, where the clip is correctly positioned. After that, install the heater water pump using the specified bolt tightening order and then reconnect the connector. The installation requires positioning heater water hose C correctly and then installing its clip so the hose marking faces upwards while the wire harness should be connected afterward. Finish the process by adding coolant then search for any fluid leaks.

OEM 2006 Toyota Prius Water Pump

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2006 Toyota Prius Water Pump
Part Number: 16100-29157-83
$54.19 MSRP: $75.43
You Save: $21.24 (29%)
Ships in 1-3 Business Days
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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 2006 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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2006 Toyota Prius Motor Assembly
Part Number: G9020-47031
$162.93 MSRP: $230.63
You Save: $67.70 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assembly, Water W/M; Drive Motor Inverter Cooler; Engine Auxiliary; Electric; Engine Water Pump; Pump; Pump Assembly, Water W/Motor & Bracket
- Replaces: G9020-47030
- Part Name Code: 16290A
- Item Weight: 2.90 Pounds
- Item Dimensions: 7.4 x 7.3 x 7.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: G9020-47031
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2006 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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2006 Toyota Prius Water Pump
Part Number: 16290-21011
$227.58 MSRP: $324.93
You Save: $97.35 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assembly, Water W/M; Electric Water Pump; Engine Water Pump; Pump; Pump Assembly, Water W/Motor & Bracket
- Replaces: 16290-21010
- Part Name Code: 16290C
- Item Weight: 6.60 Pounds
- Item Dimensions: 9.5 x 9.1 x 9.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16290-21011
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2006 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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2006 Toyota Prius Water Pump
Part Number: 87200-47030
$806.54 MSRP: $1181.99
You Save: $375.45 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Accessory Assembly, Heat; Electric Water Pump; Engine Water Pump; Pump Assembly; Pump Assembly, Water(For Heater)
- Part Name Code: 87200A
- Item Weight: 5.10 Pounds
- Item Dimensions: 11.4 x 8.3 x 5.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 87200-47030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)

2006 Toyota Prius Water Pump

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2006 Toyota Prius Parts Questions & Experts Answers

Q: How to service and repair the heater water pump on 2006 Toyota Prius?
A: The repair of the heater water pump requires first disconnecting heater water hose C by loosening its clamp while disconnecting the wire harness then moving the hose clip before hose separation while using caution against high force and setting up cooling water drainage. The heater water pump assembly requires removal after connector disconnection and bolt removal while discharging heater water hose A without using force stronger than needed along with leak preparation. Installation begins with heater water hose A and its hose clip facing upward, where the clip is correctly positioned. After that, install the heater water pump using the specified bolt tightening order and then reconnect the connector. The installation requires positioning heater water hose C correctly and then installing its clip so the hose marking faces upwards while the wire harness should be connected afterward. Finish the process by adding coolant then search for any fluid leaks.