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

When maintaining fuel injector, do not smoke or keep open fire around fuel parts because it is flammable. Take the pressure off the fuel system and disconnect tubes. Close off all fuel openings to avoid contamination. Take off the fuel rail and injectors, with new lubricated O-ring seals, because the old ones can leak. Undo the removal in order to install.

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

The fuel injectors are cleaned in conjunction with fuel rail. To deal with the fuel rail and injectors in a more complete way, with an exploded view, see the separate sections on fuel rail service and repair.

OEM Mercury Mountaineer Fuel Injector

Gas Injector

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9 Fuel Injectors found

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Mercury Mountaineer Injector Part Number: 5L2Z-9F593-CB
$58.01 MSRP: $95.45
You Save: $37.44 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector Assembly; Gasoline Injector; Fuel Injector
- Manufacturer Note: Injector O-Rings Are Not Serviced Separately. Available Only With Injector Asy.
- Replaces: 5L2Z-9F593-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Injector Part Number: 1L2Z-9F593-CA
$65.09 MSRP: $109.27
You Save: $44.18 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Injector Part Number: 4L8Z-9F593-B
$63.25 MSRP: $106.18
You Save: $42.93 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Kit - Fuel Injection; Fuel Injector
- Replaces: 2C5Z-9F593-AA, 4L8Z-9F593-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Injector Part Number: 4L3Z-9F593-AB
$81.11 MSRP: $133.45
You Save: $52.34 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Kit - Fuel Injection; Fuel Injector
- Replaces: 4L3Z-9F593-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier
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Mercury Mountaineer Injector Part Number: 4L2Z-9F593-EB
$58.34 MSRP: $96.00
You Save: $37.66 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: 4L2Z-9F593-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Injector Part Number: F6VZ-9F593-AA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Replaces: F4SZ-9F593-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Injector Part Number: F77Z-9F593-BA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Manufacturer Note: Injector asy. (fuel) #97JF 9F593-BA
- Replaces: F77Z-9F593-GA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2000 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Injector Part Number: 1L2Z-9F593-BA
Product Specifications
- Other Name: Injector Assembly; Fuel Injector
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Injector Part Number: 6F1Z-9F593-B
Product Specifications
- Other Name: Kit - Fuel Injection; Fuel Injector
- Replaces: 1L2Z-9F593-DA, 1L2Z-9F593-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base

Mercury Mountaineer Fuel Injector

Welcome to our website where you can discover high-quality, genuine Mercury Mountaineer Fuel Injector. We offer an extensive inventory of OEM Mercury Mountaineer Fuel Injector at affordable prices. We are committed to providing top-rated customer service along with prompt delivery.

Mercury Mountaineer Fuel Injector Parts and Q&A

Injector
4L8Z-9F593-B
Q: What precautions should be taken when servicing fuel injectors to ensure safety and proper installation on Mercury Mountaineer?
A: When maintaining fuel injector, do not smoke or keep open fire around fuel parts because it is flammable. Take the pressure off the fuel system and disconnect tubes. Close off all fuel openings to avoid contamination. Take off the Fuel Rail and injectors, with new lubricated O-ring seals, because the old ones can leak. Undo the removal in order to install.
Injector
5L2Z-9F593-CB
Q: How to service fuel injectors and the fuel rail on Mercury Mountaineer?
A: The fuel injectors are cleaned in conjunction with Fuel Rail. To deal with the fuel rail and injectors in a more complete way, with an exploded view, see the separate sections on fuel rail service and repair.