How to Service and Repair an Auxiliary Heater Core on 2009 Lincoln Navigator?

A pressure leak test should be conducted first before auxiliary heater core service in the Expedition and Navigator vehicles. The first step requires you to remove both the auxiliary heater core and evaporator core housing. Follow these actions by unclipping the part and opening the floorpan bracket. The service of the Expedition and Navigator's auxiliary heater core begins with removing the bracket screw that holds the heater core tube in place along with the tube bracket itself. You need to remove the access cover by taking out the 12 screws which secure the evaporator/heater core access feature. Finally, remove the heater core. The service completion requires performing all steps in reverse order of the removal process.

OEM 2009 Lincoln Navigator Heater Core

HVAC Heater Core

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2009 Lincoln Navigator 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
- Base No.: 18B539
- Item Weight: 6.80 Pounds
- Item Dimensions: 7.1 x 12.2 x 34.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7L1Z-18476-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Lincoln Navigator Submodels:
- 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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2009 Lincoln Navigator Heater Core, Rear
Part Number: 7L1Z-18476-C
$125.57 MSRP: $199.40
You Save: $73.83 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly - Heater; HVAC Heater Core, Rear; HVAC Heater Core
- Position: Rear
- Base No.: 18476A
- Item Weight: 2.20 Pounds
- Item Dimensions: 15.9 x 5.9 x 7.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7L1Z-18476-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Lincoln Navigator Submodels:
- 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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2009 Lincoln Navigator Heater Core, Front
Part Number: H2MZ-18476-AA
$80.61 MSRP: $128.00
You Save: $47.39 (38%)
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core, Front; HVAC Heater Core
- Position: Front
- Replaces: HC-51, HC-44, 7L1Z-18476-A, 9L3Z-18476-A
- Item Weight: 3.60 Pounds
- Item Dimensions: 8.2 x 17.7 x 14.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: H2MZ-18476-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Lincoln Navigator Submodels:
- Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS

2009 Lincoln Navigator Heater Core

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2009 Lincoln Navigator Heater Core available at FordPartsDeal.com. You can confidently purchase our OEM 2009 Lincoln Navigator Heater Core as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2009 Lincoln Navigator Heater Core Parts Questions & Experts Answers

Q: How to Service and Repair an Auxiliary Heater Core on 2009 Lincoln Navigator?
A: A pressure leak test should be conducted first before auxiliary heater core service in the Expedition and Navigator vehicles. The first step requires you to remove both the auxiliary heater core and evaporator core housing. Follow these actions by unclipping the part and opening the floorpan bracket. The service of the Expedition and Navigator's auxiliary heater core begins with removing the bracket screw that holds the heater core tube in place along with the tube bracket itself. You need to remove the access cover by taking out the 12 screws which secure the evaporator/heater core access feature. Finally, remove the heater core. The service completion requires performing all steps in reverse order of the removal process.