How to remove and install an alternator on Mercury Grand Marquis?

Detach the cable from the negative terminal of the battery. Unplug the electrical connectors from the alternator and mark each connector before unplugging them. Loosen the alternator bolts and separate the bracket from the intake manifold. Remove the drivebelt and, on 4.6L engines, the ignition wire assembly from the intake manifold area. Remove the adjustment and pivot bolts to separate the alternator from the engine. Installation is the reverse of removal. After the alternator is installed, adjust the drivebelt tension.

Genuine Mercury Grand Marquis Alternator

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15 Alternators found

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Mercury Grand Marquis Alternator Assembly
Part Number: 3W1Z-10V346-AARM
$185.12 MSRP: $292.73
You Save: $107.61 (37%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 4U2Z-10V346-ERRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Alternator Assembly
Part Number: XW7Z-10V346-AARM
$117.23 MSRP: $158.03
You Save: $40.80 (26%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 4U2Z-10V346-EZRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: XW7Z-10346-AARM
$117.23 MSRP: $158.03
You Save: $40.80 (26%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 4U2Z-10V346-EZRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: F8AZ-10V346-ABRM
$122.09 MSRP: $301.82
You Save: $179.73 (60%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 4U2Z-10V346-GZRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Alternator Assembly
Part Number: HU2Z-10V346-CKRM
$205.45 MSRP: $341.82
You Save: $136.37 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: ALTERNATOR ASY
- Manufacturer Note: 155 Amp
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Grand Marquis Alternator Assembly
Part Number: AW7Z-10346-A
$223.06 MSRP: $356.36
You Save: $133.30 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: GC2Z-10346-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Grand Marquis Alternator Assembly
Part Number: 6W1Z-10V346-AARM
$218.54 MSRP: $349.09
You Save: $130.55 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 6U2Z-10V346-EARM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2011 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: 6W1Z-10346-AA
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 6W1Z-10346-ACRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: F8OZ-10V346-CARM
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 4U2Z-10V346-CRRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: G2MZ-10346-CX
$0.00
Product Specifications
- Other Name: ALTERNATOR ASY
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2011 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: 3W1Z-10346-AARM
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: 3W3Z-10346-AARM
Product Specifications
- Other Name: Alternator Assy
- Manufacturer Note: Reman - 120 amp, Marauder
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: 5W1Z-10346-AA
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: F8AZ-10346-ABRM
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Alternator Assembly
Part Number: F8OZ-10346-CARM
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W

Mercury Grand Marquis Alternator Parts Questions & Experts Answers

Alternator Assembly
3W1Z-10V346-AARM
Q: How to remove and install an alternator on Mercury Grand Marquis?
A: Detach the cable from the negative terminal of the battery. Unplug the electrical connectors from the alternator and mark each connector before unplugging them. Loosen the alternator bolts and separate the bracket from the intake manifold. Remove the drivebelt and, on 4.6L engines, the ignition wire assembly from the intake manifold area. Remove the adjustment and pivot bolts to separate the alternator from the engine. Installation is the reverse of removal. After the alternator is installed, adjust the drivebelt tension.

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