How to service and repair the fuel rail on a returnless fuel system on Mercury Cougar?

To service the fuel rail of the car with a returnless fuel system, defueling pressure, take out the air cleaner tube, and de-connect the fuel supply line. Unhook the accelerator cable, electrical connector and the vacuum line. Take out the fuel injection manifold, lubricate the new O-ring and repeat the same process to install. Be careful with fuel parts.

How to service the fuel rail safely and effectively on Mercury Grand Marquis?

In order to service the fuel rail, be safe by preventing flames, disconnecting the battery, and relieving pressure. Take away required parts, such as throttle body, and EGR valve. Unscrew wiring and connectors and take out the fuel injection manifold. To install, lubricate O-rings, reconnect components, and so forth, and fasten everything in place before reassembling the battery.

OEM Mercury Fuel Rail

Engine Fuel Rail

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).

40 Fuel Rails found

View related parts
Mercury Fuel Pressure Regulator Part Number: XF2Z-9F792-BA
$101.77 MSRP: $138.49
You Save: $36.72 (27%)
ADD TO CART
Product Specifications
- Other Name: Manifold Assembly - Fuel; Fuel Rail; Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Sable | 1998-1999 | GS, LS, LS Premium | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: YS4Z-9D280-AA
$27.18 MSRP: $37.61
You Save: $10.43 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
- Manufacturer Note: SPI
- Replaces: F8CZ-9D280-AA
Fits the following Mercury Models:
- Tracer | 1998-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 5F9Z-9F792-CA
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 4L8Z-9F792-BE
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Mariner | 2005-2008 | Base, Luxury, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 5L8Z-9D280-AE
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Mariner | 2005-2006 | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
View related parts
Mercury Fuel Rail Part Number: 6L2Z-9D280-A
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS
View related parts
Mercury Fuel Rail, Passenger Side Part Number: 6L2Z-9D280-B
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Position: Passenger Side
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 7L2Z-9F792-A
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
- Replaces: 6L2Z-9F792-EC
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Luxury, Premier | 8 Cyl 4.6 L GAS
View related parts
Mercury Fuel Rail Part Number: XS2Z-9D280-CB
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
- Manufacturer Note: does not include 9F896 tube., DOHC
Fits the following Mercury Models:
- Mystique | 1999-2000 | GS | 4 Cyl 2.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 3F2Z-9F792-DA
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Monterey | 2004-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
View related parts
Mercury Fuel Rail Part Number: 2F1Z-9F792-CC
Product Specifications
- Other Name: Manifold Assembly - Fuel
Fits the following Mercury Models:
- Sable | 2002-2003 | LS, LS Premium | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 3F1Z-9F792-EA
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
- Manufacturer Note: 4V
Fits the following Mercury Models:
- Sable | 2004-2005 | LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 3F1Z-9F792-HA
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
- Manufacturer Note: 2V, from 9-16-02.
Fits the following Mercury Models:
- Sable | 2002-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 3W7Z-9F792-CD
Product Specifications
- Other Name: Manifold Assembly - Fuel
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
View related parts
Mercury Fuel Rail Part Number: 4L2Z-9D280-A
Product Specifications
- Other Name: Manifold Assembly - Fuel
- Replaces: 4L2Z-9D280-AA
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 4L2Z-9F792-EA
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier
View related parts
Mercury Fuel Rail Part Number: 6E5Z-9F792-BA
Product Specifications
- Other Name: Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: 6F2Z-9F792-CA
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Monterey | 2006-2007 | Luxury | 6 Cyl 4.2 L GAS
View related parts
Mercury Fuel Rail Part Number: F23Z9F792A
Product Specifications
- Other Name: Manifold Assembly - Fuel Support; Manifold Assembly - Fuel Supply
Fits the following Mercury Models:
- Sable | 1992-1993 | GS, LS | 6 Cyl 3.0 L GAS
View related parts
Mercury Fuel Rail Part Number: F8RZ-9D280-EB
Product Specifications
- Other Name: Manifold Assembly - Fuel; Manifold Assembly - Fuel Supply
- Manufacturer Note: includes hose shown as 9f896 in illustration., NGV
Fits the following Mercury Models:
- Mystique | 1998-1999 | GS | 4 Cyl 2.0 L GAS

| Page 1 of 2 |Next >

1-20 of 40 Results

Mercury Fuel Rail Parts and Q&A

Fuel Rail
1S7Z-9F792-CA
Q: How to service and repair the fuel rail on a returnless fuel system on Mercury Cougar?
A: To service the fuel rail of the car with a returnless fuel system, defueling pressure, take out the air cleaner tube, and de-connect the fuel supply line. Unhook the accelerator cable, electrical connector and the vacuum line. Take out the fuel injection manifold, lubricate the new O-ring and repeat the same process to install. Be careful with fuel parts.
Fuel Rail
1W7Z-9F792-AA
Q: How to service the fuel rail safely and effectively on Mercury Grand Marquis?
A: In order to service the fuel rail, be safe by preventing flames, disconnecting the battery, and relieving pressure. Take away required parts, such as throttle body, and EGR valve. Unscrew wiring and connectors and take out the fuel injection manifold. To install, lubricate O-rings, reconnect components, and so forth, and fasten everything in place before reassembling the battery.