What are the crucial steps and safety precautions for servicing the Fuel Rail on Lincoln Navigator?

In servicing the fuel injection supply manifold, give concern on safety because of flammable mixtures and high fuel pressure. De-fuel pressure, disconnect upper intake manifold and de-fuel lines and injectors. Check O-ring seals and change them when necessary, lubricate new seals, and undo the steps of removing them to install them.

How should one safely service the fuel rail and what steps are involved in the process on Lincoln Navigator?

During the servicing of the fuel rail do not smoke or use open flames around the fuel parts. Move fuel system pressure to relief prior to disconnection of tubes. Keep clean and blanking plugs. Unplug the battery, fuel supply tube and other parts. Take out the fuel rail and injectors and ring new lubricated O-ring seals. To reinstall reverse the process.

OEM Lincoln Navigator Fuel Rail

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11 Fuel Rails found

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Lincoln Navigator Fuel Rail Part Number: 9L3Z-9F792-H
$499.40 MSRP: $733.33
You Save: $233.93 (32%)
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Replaces: 9L3Z-9F792-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2014 Lincoln Navigator | Base, L | 8 Cyl 5.4 L FLEX
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Lincoln Navigator Fuel Rail Part Number: 5C3Z-9F792-DA
$408.60 MSRP: $600.00
You Save: $191.40 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Lincoln Navigator | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Navigator Fuel Rail Part Number: 7L1Z-9F792-B
$135.98 MSRP: $185.04
You Save: $49.06 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Navigator Fuel Rail Part Number: HL3Z-9D280-F
$125.07 MSRP: $198.60
You Save: $73.53 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Replaces: HL3Z-9D280-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Lincoln Navigator | Base, Black Label, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Navigator Fuel Rail Part Number: ML3Z-9D280-B
$162.48 MSRP: $258.00
You Save: $95.52 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2023 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Navigator Fuel Rail Part Number: ML3Z-9D280-A
$159.96 MSRP: $254.00
You Save: $94.04 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2023 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Navigator Fuel Rail Part Number: XL1Z-9F792-DG
$757.35 MSRP: $1122.00
You Save: $364.65 (33%)
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Manufacturer Note: DOHC
- Replaces: XL1Z-9F792-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
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Lincoln Navigator Fuel Rail Part Number: ML3Z-9F792-A
$399.52 MSRP: $586.67
You Save: $187.15 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2023 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Navigator Fuel Rail Part Number: HL3Z-9D280-E
$125.93 MSRP: $212.00
You Save: $86.07 (41%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Replaces: HL3Z-9D280-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2022 Lincoln Navigator | 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 Navigator Fuel Rail, Driver Side Part Number: BL3Z-9D280-B
$140.18 MSRP: $236.00
You Save: $95.82 (41%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Lincoln Navigator | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Navigator Fuel Rail, Passenger Side Part Number: BL3Z-9D280-A
$164.99 MSRP: $262.00
You Save: $97.01 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Lincoln Navigator | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS

Lincoln Navigator Fuel Rail

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Lincoln Navigator Fuel Rail Parts and Q&A

Fuel Rail
XL1Z-9F792-DG
Q: What are the crucial steps and safety precautions for servicing the Fuel Rail on Lincoln Navigator?
A: In servicing the fuel injection supply manifold, give concern on safety because of flammable mixtures and high fuel pressure. De-fuel pressure, disconnect upper intake manifold and de-fuel lines and injectors. Check O-ring seals and change them when necessary, lubricate new seals, and undo the steps of removing them to install them.
Fuel Rail
7L1Z-9F792-B
Q: How should one safely service the fuel rail and what steps are involved in the process on Lincoln Navigator?
A: During the servicing of the fuel rail do not smoke or use open flames around the fuel parts. Move fuel system pressure to relief prior to disconnection of tubes. Keep clean and blanking plugs. Unplug the battery, fuel supply tube and other parts. Take out the fuel rail and injectors and ring new lubricated O-ring seals. To reinstall reverse the process.