How to service the heater core on Lincoln Town Car?

A leak test of the heater core should be conducted before removing it when a leak is suspected. The service process starts by removing the plenum chamber and proceeding with heater core cover screw removal. You should first remove the heater core followed by the seal and thereafter the cover. Repeat the installation procedures that were used to uninstall the system.

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

The radiator drainage operation must begin before servicing or repairing the heater core. Service of the heater core requires a starting point of removing the instrument panel followed by the junction block splash shield. The starter relay cable ends need to be removed by unbolting each connector before eradicating the junction block bracket through wire harness decoupling and bolt extraction. Complete the Heater Hose Coupling Disconnect Procedure and remove the A/C plenum demister adapter by unfastening its screw. First untie the vacuum line while you unscrewing all 13 screws that secure the plenum chamber top. Finish the process by removing the blend door assembly from the case before finally taking away the heater core. To install the part follow the removal steps backward while applying MERPOL(R) meeting Ford specification ESE-M99B144-B or plain water to the coolant hoses when needed.

How to service and repair the heater core on Lincoln Continental?

Service and maintenance of the heater core begins with instrument panel removal. The heating process starts by draining radiator coolant until the heater core stays below the liquid level. Start by unscrewing the electricity connection of the Powertrain Control Module (PCM) through the disconnecting electrical connector while you also remove the heater water hoses from the heater core. First remove the metal cover by undoing its screws before disconnecting the wire harness connector of the A/C electronic blend door actuator and unfastening its screws. Next proceed to remove the A/C air intake damper assist spring after which operate the locking ramp to extract the A/C damper door shaft off from the air temperature control door shaft but ensure no bending damage to the fragile A/C damper door shaft. Use caution by avoiding bending of the brittle lever when removing the A/C evaporator case outlet door shaft. First remove screws from the heater core cover and subsequently extract the heater core cover seal until the heater core comes out. To install replace the components in the opposite order of removal while lubricating the coolant hoses with MERPOL(R) ESE-M99B144-B certified solution or using plain water as an alternative during installation.

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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%)
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 | 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%)
Ships in 1-3 Business Days
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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
ADD TO CART
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%)
Ships in 1-2 Business Days
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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%)
Ships in 1-3 Business Days
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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%)
Ships in 1-3 Business Days
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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
$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
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
$150.88 MSRP: $232.83
You Save: $81.95 (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
View related parts
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 Questions & Experts Answers

Heater Core
H2MZ-18476-H
Q: How to service the heater core on Lincoln Town Car?
A: A leak test of the heater core should be conducted before removing it when a leak is suspected. The service process starts by removing the plenum chamber and proceeding with heater core cover screw removal. You should first remove the heater core followed by the seal and thereafter the cover. Repeat the installation procedures that were used to uninstall the system.
Heater Core, Front
H2MZ-18476-C
Q: How to Service and Repair a Heater Core on Lincoln Navigator?
A: The radiator drainage operation must begin before servicing or repairing the heater core. Service of the heater core requires a starting point of removing the instrument panel followed by the junction block splash shield. The starter relay cable ends need to be removed by unbolting each connector before eradicating the junction block bracket through wire harness decoupling and bolt extraction. Complete the Heater Hose Coupling Disconnect Procedure and remove the A/C plenum demister adapter by unfastening its screw. First untie the vacuum line while you unscrewing all 13 screws that secure the plenum chamber top. Finish the process by removing the blend door assembly from the case before finally taking away the heater core. To install the part follow the removal steps backward while applying MERPOL(R) meeting Ford specification ESE-M99B144-B or plain water to the coolant hoses when needed.
Heater Core
H2MZ-18476-A
Q: How to service and repair the heater core on Lincoln Continental?
A: Service and maintenance of the heater core begins with instrument panel removal. The heating process starts by draining radiator coolant until the heater core stays below the liquid level. Start by unscrewing the electricity connection of the Powertrain Control Module (PCM) through the disconnecting electrical connector while you also remove the heater water hoses from the heater core. First remove the metal cover by undoing its screws before disconnecting the wire harness connector of the A/C electronic blend door actuator and unfastening its screws. Next proceed to remove the A/C air intake damper assist spring after which operate the locking ramp to extract the A/C damper door shaft off from the air temperature control door shaft but ensure no bending damage to the fragile A/C damper door shaft. Use caution by avoiding bending of the brittle lever when removing the A/C evaporator case outlet door shaft. First remove screws from the heater core cover and subsequently extract the heater core cover seal until the heater core comes out. To install replace the components in the opposite order of removal while lubricating the coolant hoses with MERPOL(R) ESE-M99B144-B certified solution or using plain water as an alternative during installation.