How to service the catalytic converter, including the replacement of the muffler and tailpipe on Buick LeSabre?

The Catalytic Converter necessitates the need for changing the Muffler and tailpipe as a whole unit. The process should be started with the Oxygen Sensor (H02S1) removal. Support the converter, then remove the front pipe to Catalytic Converter nuts, next the intermediate pipe hangers at body mounts with the others (rear hanger) at tailpipe to chassis mount. Then, the exhaust system should be removed from the vehicle. In case of installation, support the exhaust system at the converter and align it to the under body of the vehicle. Install the converter to the front pipe flange and tighten the nuts on the converter studs. Attach the center Exhaust Hanger to the underbody and the rear Exhaust Hanger to the rear compartment rail. The front pipe to converter nuts then are to be tightened to 25 nm (18 ft. Lbs.), and finally the Oxygen Sensor h02s1plug in.

OEM Buick LeSabre Catalytic Converter

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14 Catalytic Converters found

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Buick LeSabre Cross Over Part Number: 24503125
$437.51 MSRP: $654.11
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Product Specifications
- Other Name: Pipe, Exhaust Pipe; Crossover Pipe; Front Pipe; Cross Over Pipe; Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2005 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 8999642
Product Specifications
- Other Name: Converter; Pipe; Converter, Exhaust System Catalytic; Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 8999615
Product Specifications
- Other Name: Converter; Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25174347
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25165291
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25143483
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1994 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25130333
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25128981
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25103919
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1990 Buick LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick LeSabre Catalytic Converter Part Number: 25103335
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1987 Buick LeSabre | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 25100635
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Buick LeSabre | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Catalytic Converter Part Number: 24505382
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Front Pipe; Converter & Pipe; Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Converter Part Number: 24503508
Product Specifications
- Other Name: Converter, 3Way Catalytic; Catalytic Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Exhaust Pipe Part Number: 10371540
Product Specifications
- Other Name: Pipe, Catalytic Converter; Front Pipe; Pipe, Exhaust Pipe
- Replaces: 24507357, 25763981
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS

Buick LeSabre Catalytic Converter

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The Buick LeSabre Catalytic Converter is all about the emissions system in Buick LeSabre cars specifically categorized under its efficiency and durability. This Catalytic Converter properly allows the change of dangerous emissions including Carbon Monoxide, Hydrocarbons, and Oxides of Nitrogen into less dangerous emissions making the vehicle perform better and be safer. The Buick LeSabre Catalytic Converter caters to LeSabre models manufactured from 1959 up to 2005, and hence, are crafted with a honeycomb substrate that has been covered with precious metals including platinum, palladium, and rhodium in order to provide maximum efficiency as well as durability. The erasure carried out by the Catalytic Converter is not just limited to emissions regulation but also helps in minimizing back pressure of exhaust gases that is vital for the performance of the car's engine. Owners of Buick LeSabre can fathom new designs of the Catalytic Converter with better design structures to enhance the airflow of the product. Additional support for LeSabre, which was one of the leading large cars over the years, is the Catalytic Converter assembly's reliability; it will not be causing problems like low power output and lit Check Engine bulbs. Due to its strength and unique features affording it exclusive engineering, the Buick LeSabre Catalytic Converter makes the Buick LeSabre legendary car a testimony to Buick's high standard in car fabrication and manufacturing. All in all, one can conclude that the Buick LeSabre Catalitic Converter is a significant component of the car's operating system, which makes it important for both those people who value high speed and torque, as well as for the inhabitants of the world striving to reduce emissions.

Buick LeSabre Catalytic Converter Parts and Q&A

Cross Over
24503125
Q: How to service the catalytic converter, including the replacement of the muffler and tailpipe on Buick LeSabre?
A:
The Catalytic Converter necessitates the need for changing the Muffler and tailpipe as a whole unit. The process should be started with the Oxygen Sensor (H02S1) removal. Support the converter, then remove the front pipe to Catalytic Converter nuts, next the intermediate pipe hangers at body mounts with the others (rear hanger) at tailpipe to chassis mount. Then, the exhaust system should be removed from the vehicle. In case of installation, support the exhaust system at the converter and align it to the under body of the vehicle. Install the converter to the front pipe flange and tighten the nuts on the converter studs. Attach the center Exhaust Hanger to the underbody and the rear Exhaust Hanger to the rear compartment rail. The front pipe to converter nuts then are to be tightened to 25 nm (18 ft. Lbs.), and finally the Oxygen Sensor h02s1plug in.