How to service the catalytic converter on Mercury Mariner?

To service catalyst converter, the vehicle should be put in neutral position in a hoist. Install new catalytic converter and muffler assembly, and dispose of old nuts and gaskets. Tighten new nuts and U-bolt clamps to 47 Nm (35 lb-ft). Follow the steps to remove reversely to install, be sure to use new gaskets.

How to service and repair the catalytic converter on Mercury Mariner?

In order to replace the catalytic converter, make sure the vehicle is in neutral position in a hoist. Unplug CMS, loosen spring nuts and disconnect hangers on exhaust. Modify exhaust of some models. Install new gaskets, assemble the assembly and tighten nuts at given steps. Lastly, tap the nudges of the service clamp.

OEM Mercury Mariner Catalytic Converter

Cat. Converter

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24 Catalytic Converters found

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Mercury Mariner Catalytic Converter Part Number: AL8Z-5E212-G
$875.70 MSRP: $1177.14
You Save: $301.44 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | Base, Premier | 4 Cyl 2.5 L GAS
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Mercury Mariner Catalytic Converter, Rear Part Number: AL8Z-5E212-H
$295.33 MSRP: $380.29
You Save: $84.96 (23%)
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L FLEX
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Mercury Mariner Catalytic Converter Part Number: 6L8Z-5E212-D
$674.00 MSRP: $932.42
You Save: $258.42 (28%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly; Converter
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
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Mercury Mariner Catalytic Converter Part Number: 9L8Z-5E212-G
$1072.50 MSRP: $1348.57
You Save: $276.07 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Mercury Mariner | Base, Premier | 4 Cyl 2.5 L GAS
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Mercury Mariner Exhaust Manifold, Driver Side Part Number: AL8Z-5G232-A
$707.01 MSRP: $755.71
You Save: $48.70 (7%)
ADD TO CART
Product Specifications
- Other Name: Exhaust Manifold And Catalyst; Catalytic Converter with Integrated Exhaust Manifold, Left; Manifold Converter; Manifold W/Converter; Exhaust Manifold And Catalyst Assembly; Catalytic Converter
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L FLEX
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Mercury Mariner Catalytic Converter, Rear Part Number: 9L8Z-5E212-D
$1717.01 MSRP: $2167.00
You Save: $449.99 (21%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear; Converter
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Mercury Mariner | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Mariner Catalytic Converter, Front Passenger Side Part Number: AL8Z-5E212-B
$492.98 MSRP: $515.71
You Save: $22.73 (5%)
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Front Rearward; Converter
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L FLEX
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Mercury Mariner Catalytic Converter, Rear Part Number: BL8Z-5E212-A
$978.23 MSRP: $1228.86
You Save: $250.63 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear; Converter
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011 Mercury Mariner | Base, Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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Mercury Mariner Catalytic Converter, Rear Part Number: 9L8Z-5E212-F
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Mariner Catalytic Converter Part Number: 7L8Z-5E212-AA
Product Specifications
- Other Name: Converter Assembly; Converter
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Base | 4 Cyl 2.3 L GAS
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Mercury Mariner Catalytic Converter Part Number: 7L8Z-5E212-DA
Product Specifications
- Other Name: Converter Assembly; Converter
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Mercury Mariner | Base, Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Mariner Catalytic Converter Part Number: 8L8Z-5E212-D
Product Specifications
- Other Name: Converter Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Exhaust Manifold, Front Passenger Side Part Number: 8L8Z-5G232-AA
Product Specifications
- Other Name: Manifold Assembly - Exhaust; Catalytic Converter with Integrated Exhaust Manifold, Right; Manifold Converter; Manifold W/Converter; Catalytic Converter with Integrated Exhaust Manifold; Catalytic Converter
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Exhaust Manifold, Driver Side Part Number: 8L8Z-5G232-BA
Product Specifications
- Other Name: Manifold Assembly - Exhaust; Catalytic Converter with Integrated Exhaust Manifold, Left.; Manifold W/Converter
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Catalytic Converter Part Number: 8M6Z-5E212-A
Product Specifications
- Other Name: Converter Assembly; Converter
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
View related parts
Mercury Mariner Catalytic Converter, Front Passenger Side Part Number: 9L8Z-5E212-A
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Front Rearward; Converter
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Exhaust Manifold, Driver Side Part Number: 9L8Z-5G232-A
Product Specifications
- Other Name: Exhaust Manifold And Catalyst; Catalytic Converter with Integrated Exhaust Manifold, Left; Manifold Converter; Manifold W/Converter; Exhaust Manifold And Catalyst Assembly; Catalytic Converter
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Exhaust Manifold, Passenger Side Part Number: 7L8Z-5G232-CA
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter with Integrated Exhaust Manifold; Manifold Converter; Manifold
- Manufacturer Note: Rear
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Exhaust Manifold Part Number: AM6Z-5G232-A
$1312.88 MSRP: $1741.79
You Save: $428.91 (25%)
Product Specifications
- Other Name: Manifold Assembly - Exhaust; Catalytic Converter with Integrated Exhaust Manifold; Manifold Converter; Manifold W/Converter; Manifold; Catalytic Converter
- Replaces: 5M6Z-5G232-BB, 5M6Z-5G232-A, 9M6Z-5G232-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2011 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
View related parts
Mercury Mariner Catalytic Converter Part Number: 6M6Z-5E212-A
Product Specifications
- Other Name: Converter Assembly; Converter
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Mariner | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)

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Mercury Mariner Catalytic Converter

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

Mercury Mariner Catalytic Converter Parts and Q&A

Exhaust Manifold, Front Passenger Side
8L8Z-5G232-AA
Q: How to service the catalytic converter on Mercury Mariner?
A: To service catalyst converter, the vehicle should be put in neutral position in a hoist. Install new catalytic converter and Muffler assembly, and dispose of old nuts and gaskets. Tighten new nuts and U-bolt clamps to 47 Nm (35 lb-ft). Follow the steps to remove reversely to install, be sure to use new gaskets.
Catalytic Converter, Rear
9L8Z-5E212-D
Q: How to service and repair the catalytic converter on Mercury Mariner?
A: In order to replace the catalytic converter, make sure the vehicle is in neutral position in a hoist. Unplug CMS, loosen spring nuts and disconnect hangers on exhaust. Modify exhaust of some models. Install new gaskets, assemble the assembly and tighten nuts at given steps. Lastly, tap the nudges of the service clamp.