How to Maintain and Replace the Drive Belt on a Mercury Mariner?

In order to service the accessory drive belt, place the vehicle in neutral using a hoist. Take out pin-type retainer, 5 bolts, and right hand splash shield and tighten bolts to 9 Nm when replacing. To remove the belt, turn the tensioner clockwise, and vice versa.

How to service the accessory drive belt on a 2.0L and 2.5L engine on Mercury Cougar?

To service the accessory drive belt on 2.0L engine vehicles, raise the vehicle, remove the right front wheel and splash shield, then loosen the belt tensioner and remove the belt. For 2.5L engines, remove the tensioner first. Install the new belt by reversing the removal steps.

OEM Mercury Drive Belt

Serpentine Belt

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92 Drive Belts found

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Mercury Serpentine Belt Part Number: 6L2Z-8620-A
$46.14 MSRP: $73.27
You Save: $27.13 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 6L2Z-8620-CA, JK6-1032-AB
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Serpentine Belt Part Number: 9L8Z-8620-C
$26.45 MSRP: $42.00
You Save: $15.55 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 9L8Z-8620-B, JK6-867-A
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 4 Cyl 2.5 L GAS
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Mercury Water Pump Belt Part Number: 9L8Z-8620-A
$17.40 MSRP: $27.64
You Save: $10.24 (38%)
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Product Specifications
- Other Name: V-Belt; Accessory Drive Belt; Serpentine Belt Drive Kit; Serpentine Belt; Drive Belt
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Serpentine Belt Part Number: 1F1Z-8620-AD
$46.83 MSRP: $74.36
You Save: $27.53 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt; Alternator Belt; Belt
- Replaces: 1F1Z-8620-AB, 1F1Z-8620-AA, F3DZ-8620-A, JK6-856-AA
Fits the following Mercury Models:
- Sable | 2001-2004, 1993-1997 | G, GS, LS, LS Premium, LTS | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Tracer | 1998-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Serpentine Belt Part Number: 5M6Z-8620-A
$22.56 MSRP: $35.82
You Save: $13.26 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 5M6Z-8620-AA, JK6-556
Fits the following Mercury Models:
- Mariner | 2006-2009 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Serpentine Belt Part Number: AE5Z-8620-A
$17.06 MSRP: $27.09
You Save: $10.03 (38%)
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Product Specifications
- Other Name: V-Belt; Belt Tensioner Pulley Bolt; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt
Fits the following Mercury Models:
- Mariner | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Milan | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Serpentine Belt Part Number: 6E5Z-8620-BB
$33.78 MSRP: $53.64
You Save: $19.86 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Serpentine Belt Part Number: 8L8Z-8620-D
$34.81 MSRP: $55.27
You Save: $20.46 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt
- Replaces: JK6-931-A, 8L8Z-8620-A
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Serpentine Belt Part Number: 5L8Z-8620-AA
$19.12 MSRP: $30.36
You Save: $11.24 (38%)
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Product Specifications
- Other Name: V-Belt; Accessory Drive Belt; Serpentine Belt Drive Kit; Serpentine Fit Belt; Water Pump Belt; Drive Belt
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Sable | 2004-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Serpentine Belt Part Number: 4L2Z-8620-A
$46.83 MSRP: $74.36
You Save: $27.53 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 4L2Z-8620-FA, 1L2Z-8620-DA, JK6-1013-AB
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Serpentine Belt Part Number: 4L5Z-8620-EA
$45.69 MSRP: $72.55
You Save: $26.86 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt
- Replaces: 1L5Z-8620-CB
Fits the following Mercury Models:
- Mountaineer | 2001 | Base | 6 Cyl 4.0 L GAS
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Mercury Serpentine Belt Part Number: 6E5Z-8620-AE
$51.05 MSRP: $84.00
You Save: $32.95 (40%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 6E5Z-8620-B, JK6-887-A
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 4 Cyl 2.3 L GAS
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Mercury Serpentine Belt Part Number: F8DZ-8620-CD
$19.94 MSRP: $27.14
You Save: $7.20 (27%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: F8DZ-8620-CB, F8DZ-8620-CC, JK6-861-AA
Fits the following Mercury Models:
- Sable | 1998-2001 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Serpentine Belt Part Number: 8L8Z-8620-F
$32.75 MSRP: $52.00
You Save: $19.25 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 8L8Z-8620-B, JK6-923-AA
Fits the following Mercury Models:
- Mariner | 2008 | Base, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
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Mercury Serpentine Belt Part Number: 3L8Z-8620-A
$40.30 MSRP: $64.00
You Save: $23.70 (38%)
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt; A/C Belt
- Replaces: 3L8Z-8620-BA, JK6-826-AA, XS2Z-8620-HB
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Mystique | 1999 | LS | 6 Cyl 2.5 L GAS
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Mercury Serpentine Belt Part Number: 6E5Z-8620-C
$53.15 MSRP: $87.45
You Save: $34.30 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt
- Replaces: 6E5Z-8A590-AA
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 4 Cyl 2.3 L GAS
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Mercury Serpentine Belt Part Number: 7T4Z-8620-D
$29.20 MSRP: $46.36
You Save: $17.16 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: V-Belt; Accessory Drive Belt; Serpentine Belt Drive Kit; Serpentine Fit Belt; Power Steering Belt; Drive Belt
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Serpentine Belt Part Number: XF2Z-8620-A
$40.65 MSRP: $64.55
You Save: $23.90 (38%)
ADD TO CART
Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: JK6-967, XF2Z-8620-CB, XF2Z-8620-CA
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Serpentine Belt Part Number: 4L8Z-8620-A
$41.45 MSRP: $65.82
You Save: $24.37 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt; A/C Belt
- Replaces: 4L8Z-8620-AB, JK6-844
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Serpentine Belt Part Number: 5L8Z-8620-A
Product Specifications
- Other Name: V-Belt; Serpentine Belt Drive Kit; Drive Belt
- Replaces: 5L8Z-8620-AB, JK6-902-A
Fits the following Mercury Models:
- Mariner | 2005-2008 | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS

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Mercury Drive Belt Parts and Q&A

Serpentine Belt
5M6Z-8620-A
Q: How to Maintain and Replace the Drive Belt on a Mercury Mariner?
A: In order to service the accessory drive belt, place the vehicle in neutral using a hoist. Take out pin-type retainer, 5 bolts, and right hand splash shield and tighten bolts to 9 Nm when replacing. To remove the belt, turn the tensioner clockwise, and vice versa.
Serpentine Belt
F8RZ-8620-C
Q: How to service the accessory drive belt on a 2.0L and 2.5L engine on Mercury Cougar?
A: To service the accessory drive belt on 2.0L engine vehicles, raise the vehicle, remove the right front wheel and splash shield, then loosen the belt tensioner and remove the belt. For 2.5L engines, remove the tensioner first. Install the new belt by reversing the removal steps.