How to Service and Repair Valve Stem Seals on Mercury Grand Marquis?

The service and repair of valve stem seals requires the fire suppression system to be depowered because serious personal injury can occur. A hoisted vehicle needs to be placed in NEUTRAL mode. First, remove valve springs before extracting valve stem seals from their locations. The installation process requires the new valve stem seals to be seated all the way onto the valve seat with the garter spring properly situated inside the seal. The installation process requires use of the Valve Spring Compressor together with the Valve Stem Oil Seal Installer. The valves require valve springs to be installed once all seals have been positioned correctly. Follow safety procedures and necessary protocols to test the fire suppression system after installing it into vehicles that utilize this system.

OEM Mercury Grand Marquis Valve Stem Seal

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5 Valve Stem Seals found

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Mercury Grand Marquis Valve Seals
Part Number: DC2Z-6571-A
$2.27 MSRP: $3.22
You Save: $0.95 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Replaces: F6AZ-6571-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-2006 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Valve Seals
Part Number: F5LY-6571-A
$2.48 MSRP: $3.51
You Save: $1.03 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Grand Marquis | GS, LS, LSE | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Valve Seals
Part Number: F4AZ-6571-A
$7.27 MSRP: $10.31
You Save: $3.04 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
- Replaces: F3AZ-6049-A, F4AZ-6049-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Valve Seals
Part Number: E8AZ-6571-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal; Intake Valve Seals; Intake Valve Stem Seal
- Replaces: E43Z-6571-A, FOTZ-6049-K, F1HZ-6049-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986-1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS
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Mercury Grand Marquis Valve Seals
Part Number: F1AZ-6571-A
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Manufacturer Note: Intake & Exhaust
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1993 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS

Mercury Grand Marquis Valve Stem Seal

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Mercury Grand Marquis Valve Stem Seal Parts Questions & Experts Answers

Valve Seals
F4AZ-6571-A
Q: How to Service and Repair Valve Stem Seals on Mercury Grand Marquis?
A: The service and repair of valve stem seals requires the fire suppression system to be depowered because serious personal injury can occur. A hoisted vehicle needs to be placed in NEUTRAL mode. First, remove valve springs before extracting valve stem seals from their locations. The installation process requires the new valve stem seals to be seated all the way onto the valve seat with the garter spring properly situated inside the seal. The installation process requires use of the Valve Spring Compressor together with the Valve Stem Oil Seal Installer. The valves require valve springs to be installed once all seals have been positioned correctly. Follow safety procedures and necessary protocols to test the fire suppression system after installing it into vehicles that utilize this system.