How to service the auxiliary heater core on Lincoln Aviator?

Begin auxiliary heater core service operations by setting the vehicle on a hoist with Push-button selector switched to NEUTRAL position. A suitable tool should clamp off the underbody heater hoses at their floorpan bracket. The service should follow the component removal sequence found inside the illustrations and tables. Item 4 features its screw together with its line bracket kept within the vehicle above the floorpan line bracket. Reverse the unmounting instructions while performing the installation before filling the engine cooling system. Engine damage prevention requires performing complete fill and bleed procedures when draining the engine block or front or rear heater cores while coolant hose lubrication should include plain water if needed.

OEM Lincoln Aviator Heater Core

HVAC Heater Core

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8 Heater Cores found

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Lincoln Aviator A/C & Heater Assembly
Part Number: L1MZ-19D597-CB
$180.11 MSRP: $262.17
You Save: $82.06 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Evaporator And Housing Assembly; HVAC Heater Core Case Assembly; Housing
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Lincoln Aviator | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Aviator Case Assembly
Part Number: L1MZ-19A618-B
$193.96 MSRP: $282.33
You Save: $88.37 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Duct - Air; Inlet Duct
- Replaces: L1MZ-19A618-AC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Lincoln Aviator | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Aviator Evaporator Case
Part Number: L1MZ-19930-A
$178.85 MSRP: $260.33
You Save: $81.48 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Housing; A/C Evaporator; Case Assembly
- Replaces: L1MZ-19930-AE
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Lincoln Aviator | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Aviator Case Assembly
Part Number: L1MZ-18471-CD
$217.24 MSRP: $319.00
You Save: $101.76 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Duct - Air Vent; Plenum
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Lincoln Aviator | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Aviator Heater Core, Rear
Part Number: L1MZ-18476-CB
$71.48 MSRP: $120.00
You Save: $48.52 (41%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator And Seal Assembly - Heater; HVAC Heater Core, Rear
- Position: Rear
- Replaces: L1MZ-18476-CA, HC-91
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Lincoln Aviator | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Aviator Heater Core
Part Number: L1MZ-18476-AA
$71.48 MSRP: $120.00
You Save: $48.52 (41%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator And Seal Assembly - Heater
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Lincoln Aviator | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Aviator Heater Core, Front
Part Number: H2MZ-18476-Y
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core, Front; HVAC Heater Core
- Position: Front
- Replaces: 7L2Z-18476-A, HC-41, 5L2Z-18476-AA, 6L2Z-18476-A, HC-47
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2005 Lincoln Aviator | Base | 8 Cyl 4.6 L GAS
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Lincoln Aviator Heater Core, Rear
Part Number: H2MZ-18476-X
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core, Rear; HVAC Heater Core
- Position: Rear
- Replaces: 1L2Z-18476-CA, HC-32, HC-25, F85Z-18476-AA, HC-22
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2005 Lincoln Aviator | Base | 8 Cyl 4.6 L GAS

Lincoln Aviator Heater Core

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Lincoln Aviator Heater Core Parts Questions & Experts Answers

Heater Core, Rear
H2MZ-18476-X
Q: How to service the auxiliary heater core on Lincoln Aviator?
A: Begin auxiliary heater core service operations by setting the vehicle on a hoist with Push-button selector switched to NEUTRAL position. A suitable tool should clamp off the underbody heater hoses at their floorpan bracket. The service should follow the component removal sequence found inside the illustrations and tables. Item 4 features its screw together with its line bracket kept within the vehicle above the floorpan line bracket. Reverse the unmounting instructions while performing the installation before filling the engine cooling system. Engine damage prevention requires performing complete fill and bleed procedures when draining the engine block or front or rear heater cores while coolant hose lubrication should include plain water if needed.