How to Service and Repair the Heater Core in a Front Heater Unit on Toyota Sienna?

The process of serving and fixing the front heater unit begins by taking out the cooling unit after emptying all engine coolant from the radiator. Use pliers to loosen the hose clips along the hose before taking off the hoses which connect water supply to heater radiator pipes. Installation requires pushing water hose onto heater radiator pipe until it reaches the second ridge followed by hose clip installation according to provided illustrations. Begin by removing the instrument panel after which you should take out the reinforcement before uninstalling the four nuts from the defroster nozzle. Begin by unscrewing three screws and two electronic security devices which allow the thief deterrent and wireless door lock systems to disconnect. Next detach the air duct through freeing its two claws. One should end heater unit removal by removing its 2 rivets while remembering both rivets need replacement during future installation according to the reverse removal sequence.

How to service and repair the rear Heater Core on Toyota Sienna?

The service process starts by removing the blower resistor through its 2 screws from the 5-door model. Start by removing the air mix servomotor through the process of unscrewing its two screws. Service the heater radiator by removing two screws followed by two clamps and after that disassembling the screw and plate for heater radiator extraction. The procedure for removing the blower motor requires you to disconnect the connector from the heater case after separating the heater cases with 5 screw removal followed by removing the nut and fan. Afterward remove the motor shaft shim and take the blower motor out after unscrewing 3 screws from it. Reassemble the parts starting from the opposite sequence of disassembly steps.

OEM Toyota Sienna Heater Core

HVAC Heater Core

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10 Heater Cores found

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Toyota Sienna Heater Core, Front
Part Number: 87107-07030
$293.57 MSRP: $419.14
You Save: $125.57 (30%)
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Front; Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2020 Toyota Sienna | Base, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Heater Core
Part Number: 87107-08020
$133.30 MSRP: $188.71
You Save: $55.41 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Rear; Unit Sub-Assembly, Rear Heater; HVAC Heater Core
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Sienna Heater Core, Rear
Part Number: 87107-08080
$290.42 MSRP: $414.66
You Save: $124.24 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Rear; Unit Sub-Assembly, Heater Radiator
- Position: Rear
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2021-2023 Toyota Sienna | 25th Anniversary Edition, LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Sienna Heater Core, Rear
Part Number: 87107-08070
$198.27 MSRP: $283.08
You Save: $84.81 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Rear; Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Position: Rear
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2020 Toyota Sienna | Base, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Heater Core, Rear
Part Number: 87107-08051
$284.71 MSRP: $406.50
You Save: $121.79 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Rear; Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Manufacturer Note: REAR
- Position: Rear
- Replaces: 87107-08050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2010 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Heater Core, Front
Part Number: 87107-06100
$338.77 MSRP: $483.69
You Save: $144.92 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Front; Unit Sub-Assembly, Heater Radiator
- Position: Front
- Replaces: 87107-33130
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2021-2023 Toyota Sienna | 25th Anniversary Edition, LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Sienna Heater Core, Front
Part Number: 87107-08060
$357.85 MSRP: $524.44
You Save: $166.59 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Front; Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Manufacturer Note: FRONT
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2010 Toyota Sienna | CE, LE, Limited, XLE | 6 Cyl 3.5 L GAS
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Toyota Sienna Heater Core, Front
Part Number: 87107-08040
$357.85 MSRP: $524.44
You Save: $166.59 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Front; Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Manufacturer Note: FRONT
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2006 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS
View related parts
Toyota Sienna Heater Core, Front
Part Number: 87107-08010
$364.55 MSRP: $534.25
You Save: $169.70 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Front; Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna Heater Core
Part Number: 87107-08030
Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core, Rear; Unit Sub-Assembly, Rear Heater
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2000 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS

Toyota Sienna Heater Core

Choose genuine Heater Core that pass strict quality control tests. You can trust the top quality and lasting durability. Shopping for OEM Heater Core for your Toyota Sienna? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Sienna parts. The price is affordable so you can save more. It only takes minutes to browse and find the exact fit. Easily add to cart and check out fast. Our hassle-free return policy will keep you stress-free. We process orders quickly for swift delivery. Your parts will arrive faster, so you can get back on the road sooner.

The Toyota Sienna Heater Core is quite a vital part of the car as it is responsible for distributing warm air to the car's interior by coming from the engine. CNN resembles the radiator, the Heater Core is situated near the engine and is cooled by the water and antifreeze mixture, sending the heat towards the interior of the car. Various kinds of Heater Cores which are made up of aluminum or brass and having deeper fins on it, may have some controlling systems such as valves or doors of different temperatures for accountable heating. In air-conditioned vehicles, the Heater Core also helps in the process of dehumidification whereby it re-heats cool air. They are prone to clogging, leaking and their replacement comes hand in hand with serious disassembling of the dashboard.

Toyota Sienna Heater Core Parts and Q&A

Heater Core, Front
87107-08010
Q: How to Service and Repair the Heater Core in a Front Heater Unit on Toyota Sienna?
A:
The process of serving and fixing the front heater unit begins by taking out the cooling unit after emptying all engine coolant from the Radiator. Use pliers to loosen the hose clips along the hose before taking off the hoses which connect water supply to heater radiator pipes. Installation requires pushing water hose onto heater radiator pipe until it reaches the second ridge followed by hose clip installation according to provided illustrations. Begin by removing the instrument panel after which you should take out the reinforcement before uninstalling the four nuts from the defroster nozzle. Begin by unscrewing three screws and two electronic security devices which allow the thief deterrent and wireless door lock systems to disconnect. Next detach the air duct through freeing its two claws. One should end heater unit removal by removing its 2 rivets while remembering both rivets need replacement during future installation according to the reverse removal sequence.
Heater Core
87107-08020
Q: How to service and repair the rear Heater Core on Toyota Sienna?
A:
The service process starts by removing the blower resistor through its 2 screws from the 5-door model. Start by removing the air mix servomotor through the process of unscrewing its two screws. Service the heater radiator by removing two screws followed by two clamps and after that disassembling the screw and plate for heater radiator extraction. The procedure for removing the Blower Motor requires you to disconnect the connector from the heater case after separating the heater cases with 5 screw removal followed by removing the nut and fan. Afterward remove the motor shaft shim and take the blower motor out after unscrewing 3 screws from it. Reassemble the parts starting from the opposite sequence of disassembly steps.

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