How to service the heater core on Lincoln Town Car?

The heater core To service the heater core, begin with a leak test in case one suspects a leak. Take out the plenum chamber, the screws that attach the cover of the heater core. Next remove the seal and the heater core. Installation just follows the steps of removing backward.

How to Service and Repair a Heater Core on Lincoln Navigator?

To repair the heater core, drain the radiator, remove the instrument panel and junction block splash shield, disconnect cables, and remove the junction block bracket. Follow the Heater Hose Coupling Disconnect Procedure, remove the A/C plenum, and take out the blend door assembly and heater core. Reverse the steps for installation.

OEM Lincoln Heater Core

HVAC Heater Core

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53 Heater Cores found

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Lincoln Heater Core, Rear Part Number: 7L1Z-18476-B
$154.58 MSRP: $245.45
You Save: $90.87 (38%)
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Product Specifications
- Other Name: Core Assembly - Heater; HVAC Heater Core, Rear; HVAC Heater Core
- Position: Rear
Fits the following Lincoln Models:
- Navigator | 2007-2017 | Base, Luxury, Reserve, Select, Ultimate | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Heater Core, Rear Part Number: ML1Z-18476-A
$75.57 MSRP: $120.00
You Save: $44.43 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator And Seal Assembly - Heater; HVAC Heater Core, Rear
- Position: Rear
- Replaces: HC-80, JL1Z-18476-AA
Fits the following Lincoln Models:
- Navigator | 2018-2024 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Air Inlet Duct Part Number: HL3Z-19A618-AC
$55.34 MSRP: $85.00
You Save: $29.66 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Duct - Air; HVAC Air Inlet Housing; Cabin Air Intake Duct; Case Assembly; Center Duct
- Replaced by: HL3Z-19A618-AD
- Replaces: HL3Z-19A618-AA, HL3Z-19A618-AB
Fits the following Lincoln Models:
- Navigator | 2018-2024 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Heater Core, Rear Part Number: L1MZ-18476-CB
$71.48 MSRP: $120.00
You Save: $48.52 (41%)
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Product Specifications
- Other Name: Radiator And Seal Assembly - Heater; HVAC Heater Core, Rear
- Position: Rear
- Replaces: L1MZ-18476-CA, HC-91
Fits the following Lincoln Models:
- Aviator | 2020-2023 | 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 Heater Core Part Number: L1MZ-18476-AA
$71.48 MSRP: $120.00
You Save: $48.52 (41%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator And Seal Assembly - Heater
Fits the following Lincoln Models:
- Aviator | 2020-2023 | 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 Heater Core Part Number: LX6Z-18476-A
$53.92 MSRP: $90.36
You Save: $36.44 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator And Seal Assembly - Heater; HVAC Heater Core
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Grand Touring, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Heater Core, Rear Part Number: 7L1Z-18476-C
$125.57 MSRP: $199.40
You Save: $73.83 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Core Assembly - Heater; HVAC Heater Core, Rear; HVAC Heater Core
- Position: Rear
Fits the following Lincoln Models:
- Navigator | 2007-2017 | L, L Luxury, L Reserve, L Select, L Ultimate | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Case Assembly, Front Part Number: NL3Z-19850-E
$350.72 MSRP: $515.00
You Save: $164.28 (32%)
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Product Specifications
- Other Name: Evaporator Assembly; HVAC Unit Case Assembly, Front; A/C & Heater Assembly
- Position: Front
- Replaces: NL3Z-19850-B, ML3Z-19850-D
Fits the following Lincoln Models:
- Navigator | 2022-2024 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Evaporator Assembly Part Number: K2GZ-19B555-BG
$988.76 MSRP: $1598.00
You Save: $609.24 (39%)
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Product Specifications
- Other Name: Evaporator And Housing Assembly; HVAC Unit Case Assembly; Case Assembly; A/C & Heater Assembly
- Replaces: DG9Z-19B555-L, DG9Z-19B555-EV, DG9Z-19B555-EN, DG9Z-19B555-DK, K2GZ-19B555-BB, DG9Z-19B555-CT, DG9Z-19B555-T, DG9Z-19B555-DR, K2GZ-19B555-BE
Fits the following Lincoln Models:
- MKX | 2016-2018 | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS, 6 Cyl 3.7 L GAS
- Nautilus | 2019-2023 | Base, Black Label, Reserve, Select | 4 Cyl 2.0 L GAS, 6 Cyl 2.7 L GAS
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Lincoln Evaporator Core, Front Part Number: DG1Z-19850-D
$293.07 MSRP: $498.00
You Save: $204.93 (42%)
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Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case; HVAC Unit Case; A/C Evaporator Repair Kit; Heater Core.; Evaporator Case; Case Assembly; A/C & Heater Assembly
- Position: Front
- Replaces: DG1Z-19850-C, DG1Z-19850-A, DG1Z-19850-B
Fits the following Lincoln Models:
- MKS | 2013-2016 | Base, EcoBoost | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MKT | 2013-2019 | Base, EcoBoost, Livery, Premiere, Reserve | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
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Lincoln Case Assembly Part Number: PZ1Z-18471-A
$170.61 MSRP: $248.33
You Save: $77.72 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Duct - Air Vent; Plenum
- Replaces: LX6Z-18471-PC
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Grand Touring, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln A/C & Heater Assembly Part Number: JL1Z-19850-AK
$554.40 MSRP: $821.33
You Save: $266.93 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Heater Assembly; HVAC Unit Case Assembly
Fits the following Lincoln Models:
- Navigator | 2020-2024 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln A/C & Heater Assembly Part Number: L1MZ-19D597-CB
$169.88 MSRP: $262.17
You Save: $92.29 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Evaporator And Housing Assembly; HVAC Heater Core Case Assembly; Housing
Fits the following Lincoln Models:
- Aviator | 2020-2023 | 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 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
Fits the following Lincoln Models:
- Aviator | 2020-2023 | 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 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
Fits the following Lincoln Models:
- Aviator | 2020-2023 | 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 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
Fits the following Lincoln Models:
- Aviator | 2020-2023 | 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 Heater Case Part Number: GV6Z-18A484-A
$192.60 MSRP: $300.00
You Save: $107.40 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Housing - Heater Blower; Heater Core Case; Cover
Fits the following Lincoln Models:
- MKC | 2017-2019 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Lincoln Air Inlet Duct Part Number: LX6Z-19A618-A
$147.36 MSRP: $214.50
You Save: $67.14 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct - Air; HVAC Air Inlet Housing; Case Assembly; Intake Case
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Grand Touring, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Case Assembly Part Number: G3GZ-19B555-Z
$1075.39 MSRP: $1593.17
You Save: $517.78 (33%)
Product Specifications
- Other Name: Evaporator And Housing Assembly; A/C & Heater Assembly
- Replaces: G3GZ-19B555-L, G3GZ-19B555-F, G3GZ-19B555-V
Fits the following Lincoln Models:
- Continental | 2017-2020 | 80th Anniversary Coach Door Edition, Base, Black Label, Coach Door Edition, Livery, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.7 L GAS
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Lincoln Evaporator Core, Front Part Number: CG1Z-19850-D
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case; HVAC Unit Case; Repair Kit; Heater Core.; Evaporator Case; Case Assembly; A/C & Heater Assembly
- Position: Front
- Replaces: BB5Z-19850-B, CG1Z-19850-B
Fits the following Lincoln Models:
- MKS | 2011-2012 | Base, EcoBoost | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MKT | 2011-2019 | Base, EcoBoost, Livery, Premiere, Reserve | 4 Cyl 2.0 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS

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Lincoln Heater Core Parts and Q&A

Heater Core
H2MZ-18476-H
Q: How to service the heater core on Lincoln Town Car?
A: The heater core To service the heater core, begin with a leak test in case one suspects a leak. Take out the plenum chamber, the screws that attach the cover of the heater core. Next remove the seal and the heater core. Installation just follows the steps of removing backward.
Heater Core, Front
H2MZ-18476-C
Q: How to Service and Repair a Heater Core on Lincoln Navigator?
A: To repair the heater core, drain the radiator, remove the instrument panel and junction block splash shield, disconnect cables, and remove the junction block bracket. Follow the Heater Hose Coupling Disconnect Procedure, remove the A/C plenum, and take out the blend door assembly and heater core. Reverse the steps for installation.