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

The first step to repair the three-way catalytic converter (TWC) is to remove its heat shield followed by disconnecting TWC from the manifold. Take the necessary measures to lift and stabilize the vehicle before unclipping the heated oxygen sensor electrical wiring connector. The service begins with separating the hanger insulator from the flange connection. Proceed to remove both the flexible pipe assembly along with the TWC by first untightening the nuts followed by nut and bolt removal. Begin with TWC and flexible pipe assembly placement before installing the nut and bolt and finally tightening the bolts. Check the hanger insulators for wear and replace damaged parts then treat all hanger insulators with Myrpol Lubricant D7AZ-I9553-AA or an equivalent solution that adheres to Ford standard ESEM99B 144-B. Apply a new gasket and fasten nuts loosely before securing the flange connection. Lower the vehicle while avoiding the application of jointing compound anywhere ahead of the catalytic converter before tightening the nuts. First raise and support the vehicle before reinstalling the heat shield and following with delivering a snug torque on the nuts and attaching the heated oxygen sensor electrical connector with proper wiring position maintenance.

How to service the catalytic converter on Mercury Mariner?

Service of the catalytic converter should start with the vehicle in neutral position and securely placed on a hoist. You need to remove the two exhaust catalytic converter nuts before discarding them while installing new nuts that need to be tightened to 47 Nm (35 ft. lbs.). Detach and get rid of the U-bolt clamp assembly from the muffler before you securely tighten the new clamp at 47 Nm (35 ft. lbs.) when reinstalling it. After removing and discarding the two resonator nuts you should put on new replacement nuts which need to be tightened to 47 Nm (35 ft. lbs.) during the installation process. Extract both the catalytic converter exhaust hanger before removing the exhaust catalytic converter together with the muffler as one assembly. After removal of the converter from the muffler reinstall it following the reversal of removal steps by adding new gaskets. Include only lubricants free of oil and grease when working with the insulator since these substances can damage rubber elements which might cause the exhaust hanger insulator to detach from the bracket throughout vehicle use.

OEM Mercury Catalytic Converter

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186 Catalytic Converters found

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Mercury Catalytic Converter, Front Driver Side Part Number: 9G1Z-5E213-B
$375.26 MSRP: $465.71
You Save: $90.45 (20%)
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Front, Left; Converter; Preconverter
- Position: Front Driver Side
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Exhaust Manifold, Front Driver Side Part Number: 7E5Z-5G232-AA
$1308.63 MSRP: $1810.36
You Save: $501.73 (28%)
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Product Specifications
- Other Name: Manifold Assembly - Exhaust; Catalytic Converter with Integrated Exhaust Manifold, Left; Manifold W/Converter; Manifold; Preconverter; Catalytic Converter
- Position: Front Driver Side
Fits the following Mercury Models:
- Milan | 2007-2008 | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Exhaust Manifold Part Number: AE5Z-5G232-A
$1962.98 MSRP: $2486.00
You Save: $523.02 (22%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter; Manifold W/Converter; Preconverter
Fits the following Mercury Models:
- Milan | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Catalytic Converter, Green, Rear Passenger Side Part Number: AE5Z-5E212-H
$368.82 MSRP: $451.00
You Save: $82.18 (19%)
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear Forward
- Position: Rear Passenger Side
Fits the following Mercury Models:
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Catalytic Converter, Rear Part Number: AE5Z-5E212-P
$951.00 MSRP: $1194.29
You Save: $243.29 (21%)
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear
- Position: Rear
Fits the following Mercury Models:
- Milan | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Catalytic Converter, Passenger Side Part Number: 8G1Z-5E212-H
$1863.38 MSRP: $2352.86
You Save: $489.48 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly; Preconverter
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Catalytic Converter, Rear Part Number: 8G1Z-5E212-F
$2427.00 MSRP: $3068.57
You Save: $641.57 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Rear; Converter
- Position: Rear
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Exhaust Manifold, Green, Driver Side Part Number: AE5Z-5G232-B
$784.88 MSRP: $990.00
You Save: $205.12 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Exhaust Manifold And Catalyst; Catalytic Converter with Integrated Exhaust Manifold, Left; Manifold Converter; Manifold; Preconverter; Exhaust Manifold & Catalyst Assembly; Integrated Catalytic Converter
- Position: Driver Side
Fits the following Mercury Models:
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Catalytic Converter Part Number: 6L8Z-5E212-C
Product Specifications
- Other Name: Converter Assembly; Converter
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Catalytic Converter, Driver Side Part Number: 9W1Z-5E212-B
$1107.38 MSRP: $1392.86
You Save: $285.48 (21%)
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Left; Converter
- Position: Driver Side
Fits the following Mercury Models:
- Grand Marquis | 2009-2011 | LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Exhaust Manifold, Driver Side Part Number: 9E5Z-5G232-A
$854.63 MSRP: $1078.57
You Save: $223.94 (21%)
Product Specifications
- Other Name: Exhaust Manifold And Catalyst; Catalytic Converter with Integrated Exhaust Manifold, Left; Manifold; Preconverter; Exhaust Manifold And Catalyst Assembly; Catalytic Converter
- Position: Driver Side
Fits the following Mercury Models:
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Catalytic Converter, Passenger Side Part Number: YF1Z-5E212-CA
Product Specifications
- Other Name: Converter Assembly; Exhaust Pipe; Converter & Pipe
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2000-2003 | GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Catalytic Converter, Passenger Side Part Number: 9W1Z-5E212-A
$823.50 MSRP: $1045.71
You Save: $222.21 (22%)
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter, Right; Converter
- Position: Passenger Side
Fits the following Mercury Models:
- Grand Marquis | 2009-2011 | LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Catalytic Converter, Driver Side Part Number: 1F1Z-5E212-AA
Product Specifications
- Other Name: Converter Assembly; Exhaust Pipe; Converter & Pipe
- Position: Driver Side
Fits the following Mercury Models:
- Sable | 2001-2003 | LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Catalytic Converter, Passenger Side Part Number: 1F1Z-5E212-AB
Product Specifications
- Other Name: Converter Assembly; Exhaust Manifold; Converter & Pipe
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2001-2004 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Catalytic Converter, Passenger Side Part Number: 1F1Z-5E212-CA
Product Specifications
- Other Name: Converter Assembly; Exhaust Pipe; Converter & Pipe
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2001-2002 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Catalytic Converter, Driver Side Part Number: 1F1Z-5F250-AA
Product Specifications
- Other Name: Converter Assembly; Exhaust Pipe; Converter & Pipe
- Position: Driver Side
Fits the following Mercury Models:
- Sable | 2001-2003 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Converter & Pipe, Driver Side Part Number: 1F1Z-5F250-BA
Product Specifications
- Other Name: Converter Assembly; Catalytic Converter; Exhaust Pipe
- Position: Driver Side
Fits the following Mercury Models:
- Sable | 2004 | GS | 6 Cyl 3.0 L FLEX
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Mercury Exhaust Manifold, Passenger Side Part Number: 1F1Z-5G232-DA
Product Specifications
- Other Name: Converter Assembly; Manifold
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2000-2005 | LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
View related parts
Mercury Catalytic Converter, Passenger Side Part Number: 3F1Z-5E212-AB
Product Specifications
- Other Name: Converter Assembly
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2003-2004 | LS, LS Premium | 6 Cyl 3.0 L GAS

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Mercury Catalytic Converter

OEM Catalytic Converter boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Catalytic Converter with long life and a perfect fit. Come to our website and find genuine Mercury parts. We keep a wide inventory of OEM parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Mercury Catalytic Converter Parts and Q&A

Catalytic Converter
F8RZ-5E212-BC
Q: How to service and repair the catalytic converter on Mercury Cougar?
A:
The first step to repair the three-way catalytic converter (TWC) is to remove its heat shield followed by disconnecting TWC from the manifold. Take the necessary measures to lift and stabilize the vehicle before unclipping the heated oxygen sensor electrical wiring connector. The service begins with separating the hanger insulator from the flange connection. Proceed to remove both the flexible pipe assembly along with the TWC by first untightening the nuts followed by nut and bolt removal. Begin with TWC and flexible pipe assembly placement before installing the nut and bolt and finally tightening the bolts. Check the hanger insulators for wear and replace damaged parts then treat all hanger insulators with Myrpol Lubricant D7AZ-I9553-AA or an equivalent solution that adheres to Ford standard ESEM99B 144-B. Apply a new gasket and fasten nuts loosely before securing the flange connection. Lower the vehicle while avoiding the application of jointing compound anywhere ahead of the catalytic converter before tightening the nuts. First raise and support the vehicle before reinstalling the heat shield and following with delivering a snug torque on the nuts and attaching the heated oxygen sensor electrical connector with proper wiring position maintenance.
Exhaust Manifold, Passenger Side
5L8Z-5G232-CC
Q: How to service the catalytic converter on Mercury Mariner?
A:
Service of the catalytic converter should start with the vehicle in neutral position and securely placed on a hoist. You need to remove the two exhaust catalytic converter nuts before discarding them while installing new nuts that need to be tightened to 47 Nm (35 ft. lbs.). Detach and get rid of the U-bolt clamp assembly from the muffler before you securely tighten the new clamp at 47 Nm (35 ft. lbs.) when reinstalling it. After removing and discarding the two resonator nuts you should put on new replacement nuts which need to be tightened to 47 Nm (35 ft. lbs.) during the installation process. Extract both the catalytic converter exhaust hanger before removing the exhaust catalytic converter together with the muffler as one assembly. After removal of the converter from the muffler reinstall it following the reversal of removal steps by adding new gaskets. Include only lubricants free of oil and grease when working with the insulator since these substances can damage rubber elements which might cause the exhaust hanger insulator to detach from the bracket throughout vehicle use.