How to Service the Engine Control Module (ECM) on 2005 Lincoln Navigator?

To maintain the powertrain control module (PCM), unconnect battery ground cable and connect a diagnostic tool to access information of the module. Take off the PCM by unloading electrical connections and removing the bolts, tighten to 7 Nm when replacing it. Should servicing the bracket, tighten the bolts of the bracket to 10 Nm. Installation process is reversed.

OEM 2005 Lincoln Navigator Engine Control Module

Engine Control Computer

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

9 Engine Control Modules found

View related parts
2005 Lincoln Navigator ECM Part Number: 5L7Z-12A650-DF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module
- Replaces: 5L7Z-12A650-DE
- Base No.: 12A650
- Item Weight: 2.60 Pounds
- Item Dimensions: 12.1 x 8.2 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L7Z-12A650-DF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Luxury | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator Control Module Part Number: 4L7Z-12A650-DBRM
Product Specifications
- Other Name: Reman Module - Engine Control - EEC; Engine Control Module; ECM
- Replaces: 3L7Z-12A650-CB, 3L7Z-12A650-DB, 3U7Z-12A650-JUA, 3L7Z-12A650-FA, 3L7Z-12A650-EA, 4L7Z-12A650-EB, 4L7Z-12A650-DB, 4L7Z-12A650-EA, 3U7Z-12A650-JVA, 3U7Z-12A650-JXA, 4L7Z-12A650-DA
- Base No.: 12A650
- Item Weight: 2.10 Pounds
- Item Dimensions: 14.6 x 9.5 x 4.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4L7Z-12A650-DBRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator ECM Part Number: 5L7Z-12A650-FF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module
- Replaces: 5L7Z-12A650-FE
- Base No.: 12A650
- Item Weight: 2.30 Pounds
- Item Dimensions: 11.8 x 8.1 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L7Z-12A650-FF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Ultimate | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator ECM Part Number: 5L7Z-12A650-EF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module
- Replaces: 5L7Z-12A650-EE
- Base No.: 12A650
- Item Weight: 2.20 Pounds
- Item Dimensions: 11.8 x 8.1 x 3.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L7Z-12A650-EF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Luxury | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator ECM Part Number: 5L7Z-12A650-CF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module
- Replaces: 5L7Z-12A650-CE
- Base No.: 12A650
- Item Weight: 2.30 Pounds
- Item Dimensions: 11.8 x 8.1 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L7Z-12A650-CF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Ultimate | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator ECM Part Number: 5L1Z-12A650-LF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 5L1Z-12A650-LE
- Base No.: 12A650
- Item Weight: 2.40 Pounds
- Item Dimensions: 11.0 x 7.1 x 2.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L1Z-12A650-LF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Ultimate | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator Control Module Part Number: 5L1Z-12A650-JF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module (ECM); Engine Control Module; ECM
- Replaces: 5L1Z-12A650-JE
- Base No.: 12A650
- Item Weight: 2.70 Pounds
- Item Dimensions: 9.8 x 7.8 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L1Z-12A650-JF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Luxury | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator ECM Part Number: 5L1Z-12A650-EF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 5L1Z-12A650-EE
- Base No.: 12A650
- Item Weight: 2.80 Pounds
- Item Dimensions: 9.9 x 7.7 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L1Z-12A650-EF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Luxury | 8 Cyl 5.4 L GAS
View related parts
2005 Lincoln Navigator ECM Part Number: 5L1Z-12A650-DF
Product Specifications
- Other Name: Module - Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 5L1Z-12A650-DE
- Base No.: 12A650
- Item Weight: 2.30 Pounds
- Item Dimensions: 11.3 x 7.2 x 2.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L1Z-12A650-DF
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Lincoln Navigator Submodels:
- Base, Ultimate | 8 Cyl 5.4 L GAS

2005 Lincoln Navigator Engine Control Module

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2005 Lincoln Navigator Engine Control Module available at FordPartsDeal.com. You can confidently purchase our OEM 2005 Lincoln Navigator Engine Control Module as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2005 Lincoln Navigator Engine Control Module Parts Q&A

Q: How to Service the Engine Control Module (ECM) on 2005 Lincoln Navigator?
A: To maintain the powertrain control module (PCM), unconnect battery ground cable and connect a diagnostic tool to access information of the module. Take off the PCM by unloading electrical connections and removing the bolts, tighten to 7 Nm when replacing it. Should servicing the bracket, tighten the bolts of the bracket to 10 Nm. Installation process is reversed.