How to Service and Repair the Heater Core in Front Heater Units on Toyota 4Runner?

To service the front heater unit, remove the cooling unit and drain some engine coolant. Disconnect water hoses from the heater radiator, then remove the instrument panel, defroster nozzle, and heater unit. For auto A/C models, disconnect specific components before removing the heater unit. Reinstall in reverse order.

How to Service and Repair the Heater Core on Toyota 4Runner?

To service the front heater unit, remove the cooling unit and drain some engine coolant. Disconnect the water hoses, then remove the instrument panel, defroster nozzle, and heater duct. Disconnect necessary components and remove the heater unit. Installation is the reverse of removal.

OEM Toyota 4Runner Heater Core

HVAC Heater Core

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8 Heater Cores found

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Toyota 4Runner Heater Core
Part Number: 87107-35100
$345.82 MSRP: $506.81
You Save: $160.99 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core; Unit Sub-Assembly, Heater Radiator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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Toyota 4Runner Heater Core, Front
Part Number: 87107-35060
$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
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2002 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota 4Runner Heater Core
Part Number: 87107-89122
$226.24 MSRP: $323.02
You Save: $96.78 (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:
- 1989-1995 Toyota 4Runner | DLX, SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
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Toyota 4Runner Heater Core
Part Number: 87107-60430
$345.82 MSRP: $506.81
You Save: $160.99 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Unit Sub-Assembly, Radiator; HVAC Heater Core; Unit Sub-Assembly, Heater Radiator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2023 Toyota 4Runner | 40th Anniversary Edition, Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota 4Runner Heater Core
Part Number: 87107-35040
$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, Rear; Core; Unit Sub-Assembly, Rear Heater; HVAC Heater Core
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2002 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota 4Runner Heater Core, Front
Part Number: 87107-89121
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:
- 1989-1995 Toyota 4Runner | DLX, SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
View related parts
Toyota 4Runner Heater Core
Part Number: 87107-89112
Product Specifications
- Other Name: Unit Sub-Assembly, Heater Radiator; HVAC Heater Core
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1984-1989 Toyota 4Runner | DLX, SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
View related parts
Toyota 4Runner Heater Core
Part Number: 87107-89111
Product Specifications
- Other Name: Unit; HVAC Heater Core; Unit Sub-Assembly, Heater Radiator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1984-1989 Toyota 4Runner | DLX, SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS

Toyota 4Runner Heater Core

If you're thinking about purchasing OEM parts for your Toyota 4Runner, our website is your one-stop destination. We stock an extensive selection of genuine Toyota 4Runner Heater Core at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.

Toyota 4Runner Heater Core Parts and Q&A

Heater Core
87107-35040
Q: How to Service and Repair the Heater Core in Front Heater Units on Toyota 4Runner?
A: To service the front heater unit, remove the cooling unit and drain some engine coolant. Disconnect water hoses from the heater Radiator, then remove the instrument panel, defroster nozzle, and heater unit. For auto A/C models, disconnect specific components before removing the heater unit. Reinstall in reverse order.
Heater Core, Front
87107-35060
Q: How to Service and Repair the Heater Core on Toyota 4Runner?
A: To service the front heater unit, remove the cooling unit and drain some engine coolant. Disconnect the water hoses, then remove the instrument panel, defroster nozzle, and heater duct. Disconnect necessary components and remove the heater unit. Installation is the reverse of removal.