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

It is essential to follow safety precautions before servicing the fuel injection supply manifold because highly flammable fuel mixtures exist during the process while pressurized fuel remains even when the engine stops. The first step should involve reducing fuel pressure before taking off the upper intake manifold while sealing the fuel lines once separated. You should proceed by removing both fuel lines alongside the fuel pressure regulator vacuum hose. Unplug each of the eight fuel injector electrical connectors while keeping in mind that the left-side configuration serves as an example although the right side matches it. You need to detach the fuel injection supply manifold that includes all its fuel injectors using bolt removal. To complete the task inspect both seals on each fuel injector before replacing worn seals with new ones. Clean engine oil should be used to lubricate the new O-rings before installation by following the opposite order of removal steps for proper fitting.

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 Questions & Experts Answers

Fuel Rail
XL1Z-9F792-DG
Q: What are the crucial steps and safety precautions for servicing the Fuel Rail on Lincoln Navigator?
A: It is essential to follow safety precautions before servicing the fuel injection supply manifold because highly flammable fuel mixtures exist during the process while pressurized fuel remains even when the engine stops. The first step should involve reducing fuel pressure before taking off the upper intake manifold while sealing the fuel lines once separated. You should proceed by removing both fuel lines alongside the Fuel Pressure Regulator vacuum hose. Unplug each of the eight Fuel Injector electrical connectors while keeping in mind that the left-side configuration serves as an example although the right side matches it. You need to detach the fuel injection supply manifold that includes all its fuel injectors using bolt removal. To complete the task inspect both seals on each fuel injector before replacing worn seals with new ones. Clean engine oil should be used to lubricate the new O-rings before installation by following the opposite order of removal steps for proper fitting.