How to service fuel injectors and the fuel rail on Mercury Milan?

The service procedure includes fuel rail and fuel injector maintenance together as a single operation. Complete specifications for the analysis of fuel rail and fuel injector breakdowns can be found in sections which focus on fuel rail maintenance procedures.

What precautions should be taken when servicing fuel injectors to ensure safety and prevent contamination on Mercury Mountaineer?

The presence of flammable fuel mixtures in the fuel system requires technicians to prohibit smoking and the use of open flames around related components because such risks would lead to personal injury. The maintenance of fuel system pressure must happen before unfastening fuel components or any of their lines since pressure in the fuel system persists during engine-shutoff moments. The repair area requires proper liquid and vapor fuel protection through capping or taping that should be removed before components are installed. Start by taking out the fuel rail after extracting fuel injectors together with their O-ring seals. The proper selection of special fuel-resistant O-ring material stands essential because regular O-rings might cause fuel leaks while worn or reused O-rings should be omitted completely. Follow the removal process to put in new fuel injector-to-fuel rail O-ring seals that require engine oil lubrication before moving backwards.

OEM Mercury Fuel Injector

Gas Injector

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45 Fuel Injectors found

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Mercury Injector
Part Number: FOTZ-9F593-D
$146.97 MSRP: $241.82
You Save: $94.85 (40%)
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: CM-5041, FOTZ-9F593-DA, FOTZ-9F593-C
Fits the following Mercury Models:
- Grand Marquis | 1992-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Injector
Part Number: F77Z-9F593-BA
$78.88 MSRP: $109.12
You Save: $30.24 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Manufacturer Note: Injector asy. (fuel) #97JF 9F593-BA
- Replaces: F77Z-9F593-GA
Fits the following Mercury Models:
- Mountaineer | 1998-2000 | Base | 6 Cyl 4.0 L GAS
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Mercury Injector
Part Number: F5DZ-9F593-B
$45.57 MSRP: $62.01
You Save: $16.44 (27%)
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
Fits the following Mercury Models:
- Sable | 1996-1998 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Injector
Part Number: 4L8Z-9F593-B
$63.25 MSRP: $106.18
You Save: $42.93 (41%)
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Product Specifications
- Other Name: Kit - Fuel Injection; Fuel Injector
- Replaces: 2C5Z-9F593-AA, 4L8Z-9F593-AA
Fits the following Mercury Models:
- Grand Marquis | 2003-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
- Mariner | 2005-2008 | Base, Luxury, Premier | 6 Cyl 3.0 L GAS
- Mountaineer | 2006-2010 | Luxury, Premier | 8 Cyl 4.6 L GAS
- Sable | 2004-2005 | LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
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Mercury Injector
Part Number: 4L3Z-9F593-AB
$81.11 MSRP: $133.45
You Save: $52.34 (40%)
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Product Specifications
- Other Name: Kit - Fuel Injection; Fuel Injector
- Replaces: 4L3Z-9F593-BA
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier
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Mercury Injector
Part Number: YL8Z-9F593-CC
$48.84 MSRP: $80.36
You Save: $31.52 (40%)
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: YL8Z-9F593-CB
Fits the following Mercury Models:
- Sable | 2001 | LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Injector
Part Number: 6E5Z-9F593-AA
$54.54 MSRP: $86.60
You Save: $32.06 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Injector Assembly; Gasoline Injector; Fuel Injector
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Injector
Part Number: 2F1Z-9F593-AB
$49.24 MSRP: $78.18
You Save: $28.94 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: 2F1Z-9F593-AA
Fits the following Mercury Models:
- Sable | 2002-2003 | LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Injector
Part Number: 4L2Z-9F593-EB
$58.34 MSRP: $96.00
You Save: $37.66 (40%)
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: 4L2Z-9F593-EA
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Injector, Black
Part Number: 2F5Z-9F593-BA
$62.02 MSRP: $85.80
You Save: $23.78 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Manufacturer Note: Used to repair Purple coded injector
- Replaces: XF5Z-9F593-DA
Fits the following Mercury Models:
- Villager | 1996-2002 | Base, Estate, GS, LS, Nautica, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Mercury Injector
Part Number: 1W7Z-9F593-AA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Manufacturer Note: Injector asy. (Fuel) #1W7E 9F593-A5A
Fits the following Mercury Models:
- Grand Marquis | 2001-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
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Mercury Injector
Part Number: E5TZ-9F593-A
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
Fits the following Mercury Models:
- Capri | 1986 | GS | 4 Cyl 2.3 L GAS
- Colony Park | 1987-1990 | GS, LS | 8 Cyl 5.0 L GAS
- Cougar | 1988 | LS, XR-7 | 8 Cyl 5.0 L GAS
- Grand Marquis | 1986-1990 | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
- Sable | 1986-1990 | GS, LS | 6 Cyl 3.0 L GAS
- Topaz | 1989-1990 | GS, GS AWD, LS, LS AWD, LTS, LTS AWD, Sport, Sport AWD, XR5, XR5 AWD | 4 Cyl 2.3 L GAS
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Mercury Injector
Part Number: F6CZ9F593AA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
Fits the following Mercury Models:
- Tracer | 1997-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Injector
Part Number: F6VZ-9F593-AA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: F4SZ-9F593-A
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 8 Cyl 4.6 L GAS
- Mountaineer | 1997-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury Injector
Part Number: 1L2Z-9F593-BA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
Fits the following Mercury Models:
- Mountaineer | 2001 | Base | 6 Cyl 4.0 L GAS
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Mercury Injector
Part Number: 3M6Z-9F593-BA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
Fits the following Mercury Models:
- Mariner | 2008, 2005-2006 | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
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Mercury Injector
Part Number: XS4Z-9F593-AC
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: XS4Z-9F593-AB
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base | 4 Cyl 2.0 L GAS
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Mercury Injector
Part Number: 6F1Z-9F593-A
Product Specifications
- Other Name: Kit - Fuel Injection; Fuel Injector
- Replaces: 1F1Z-9F593-DA, 1F2Z-9F593-BA, 4F2Z-9F593-AA, 6F1Z-9F593-BA, XF2Z-9F593-CA
Fits the following Mercury Models:
- Monterey | 2004 | Base, Premier | 6 Cyl 4.2 L GAS
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Mercury Injector
Part Number: F13Z-9F593-A
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
Fits the following Mercury Models:
- Colony Park | 1987-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Cougar | 1986-1993 | Base, LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Grand Marquis | 1986-1991 | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
- Sable | 1988-1993 | GS, LS | 6 Cyl 3.8 L GAS
- Topaz | 1988-1991 | GS, GS AWD, LS, LS AWD, LTS, LTS AWD, Sport, Sport AWD, XR5, XR5 AWD | 4 Cyl 2.3 L GAS
- Tracer | 1994-1996, 1991 | Base, Trio | 4 Cyl 1.9 L GAS
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Mercury Injector, Blue
Part Number: 2F5Z-9F593-AA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Manufacturer Note: Used to repair orange coded injector
Fits the following Mercury Models:
- Villager | 1996-2002 | Base, Estate, GS, LS, Nautica, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS

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Mercury Fuel Injector Parts Questions & Experts Answers

Injector
7L5Z-9F593-AA
Q: How to service fuel injectors and the fuel rail on Mercury Milan?
A: The service procedure includes fuel rail and fuel injector maintenance together as a single operation. Complete specifications for the analysis of fuel rail and fuel injector breakdowns can be found in sections which focus on fuel rail maintenance procedures.
Injector
4L2Z-9F593-EB
Q: What precautions should be taken when servicing fuel injectors to ensure safety and prevent contamination on Mercury Mountaineer?
A: The presence of flammable fuel mixtures in the fuel system requires technicians to prohibit smoking and the use of open flames around related components because such risks would lead to personal injury. The maintenance of fuel system pressure must happen before unfastening fuel components or any of their lines since pressure in the fuel system persists during engine-shutoff moments. The repair area requires proper liquid and vapor fuel protection through capping or taping that should be removed before components are installed. Start by taking out the fuel rail after extracting fuel injectors together with their O-ring seals. The proper selection of special fuel-resistant O-ring material stands essential because regular O-rings might cause fuel leaks while worn or reused O-rings should be omitted completely. Follow the removal process to put in new fuel injector-to-fuel rail O-ring seals that require engine oil lubrication before moving backwards.