How to replace a catalytic converter on Buick Lucerne?

To replace the Catalytic Converter, firstly, lift and support the vehicle while holding the exhaust system near the resonator with an appropriate jack. Does this mean, disconnect the Oxygen Sensor leaving the electrical connector behind, undo the nuts that support the Catalytic Converter to the exhaust manifold pipe and the bolts that support centerexhaust hangers to rear suspension support brackets. Remove the Catalytic Converter from manifold pipe and lower down the exhaust system. Get rid of the catalytic gasket and make sure it cannot be used again and cut the midsize pipe 34 mm (1.3 in) from the resonator weld. For installation, slide service clamps no. 2 over the Catalytic Converter assembly outlet pipe without any tightening. Position the o2 sensor boss on the right side of the vehicle and slide the Catalytic Converter assembly outlet pipe over the intermediate pipe and place a new Catalytic Converter Gasket over Catalytic Converter studs. Lift the exhaust system into place which aligns the Catalytic Converter with the exhaust manifold pipe and install the nuts; hold them but do not tighten them to the Catalytic Converter to the exhaust manifold pipe. Tighten the bolts holding the center exhaust hangers to the rear suspension support brackets to 30 n.m (22 lb ft). Next, remember to tighten the Catalytic Converter nuts in a crisscross manner to 25 n.m (18 lb ft); remove the jack from under the vehicle and identify the service clamps midway the Catalytic Converter assembly outlet pipe, closely together, rotating them till the fastening area points toward each other. Finally, do the tightening on the service clamps to 54 n.m (40 lb ft), lower the vehicle, and look for leaks on the exhaust system.

OEM Buick Lucerne Catalytic Converter

Cat. Converter

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

9 Catalytic Converters found

View related parts
Buick Lucerne Catalytic Converter Part Number: 15921985
$1823.92 MSRP: $2726.00
You Save: $902.08 (34%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
View related parts
Buick Lucerne Catalytic Converter Part Number: 25793491
$575.51 MSRP: $851.52
You Save: $276.01 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Lucerne Catalytic Converter Part Number: 19420116
$1288.77 MSRP: $1922.48
You Save: $633.71 (33%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 19332463, 15921944
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
View related parts
Buick Lucerne Catalytic Converter Part Number: 15886962
$1142.65 MSRP: $1703.08
You Save: $560.43 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Lucerne Cross Over Part Number: 24503125
$437.51 MSRP: $654.11
You Save: $216.60 (34%)
Ships in 1-3 Business Days
ADD TO CART
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:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
View related parts
Buick Lucerne Exhaust Pipe Part Number: 12564240
$61.91 MSRP: $92.15
You Save: $30.24 (33%)
Product Specifications
- Other Name: Pipe, Exhaust Pipe; Crossover Pipe; Front Pipe; Cross Over Pipe
- Position: Front
- Replaces: 12556489
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS
View related parts
Buick Lucerne Catalytic Converter Part Number: 25793479
Product Specifications
- Other Name: Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS
View related parts
Buick Lucerne Catalytic Converter Part Number: 15921945
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15786790, 19332465
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
View related parts
Buick Lucerne Catalytic Converter Part Number: 15886960
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Buick Lucerne Catalytic Converter

Want to cut long-term maintenance and repair costs? Choose OEM Catalytic Converter. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick Lucerne parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick Lucerne Catalytic Converter includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Buick Lucerne Catalytic Converter is a part of the exhaust system in Buick's full-size premium luxury sedan, Lucerne that was manufactured from 2005 to 2011. Chemically efficient, the Buick Lucerne Catalytic Converter which has made a name for itself as a dependable and high-performing auto part, converts toxic gases, including Carbon Monoxide, Hydrocarbons, and Oxides of Nitrogen to less hazardous emissions to boost the vehicle's performance and safety. This converter is made up of a honeycomb core that has been electroplated with precious metals such as platinum, palladium and rhodium that at the same time, lower back pressure of the exhaust and improve the engines power. The Buick Lucerne interacts with several models; in the same way, they uphold the company's tag for emissions control and responsibility towards the environment. However, it should be noted that the availability of the additional features such as, the serial-based Magnetic Ride Control Technology enriches the functionality of the Lucerne's Catalytic Converter through enhancing the Automotive Control and Comfort. Buick Lucerne Catalytic Converter is famous in auto market for being able to meet and surpass set emission requirements and at the same time being part of the total system of the car. Thanks to its quality, effectiveness, and reliability in safety, the Buick Lucerne Catalytic Converter is an important resource among the car's highlights as a premium sedan favorite among car lovers, guaranteeing that the driver practices a comfortable and environmentally friendly highway experience.

Buick Lucerne Catalytic Converter Parts Questions & Experts Answers

Exhaust Pipe
12564240
Q: How to replace a catalytic converter on Buick Lucerne?
A:
To replace the Catalytic Converter, firstly, lift and support the vehicle while holding the exhaust system near the resonator with an appropriate jack. Does this mean, disconnect the Oxygen Sensor leaving the electrical connector behind, undo the nuts that support the Catalytic Converter to the exhaust manifold pipe and the bolts that support centerExhaust Hangers to rear suspension support brackets. Remove the Catalytic Converter from manifold pipe and lower down the exhaust system. Get rid of the catalytic gasket and make sure it cannot be used again and cut the midsize pipe 34 mm (1.3 in) from the resonator weld. For installation, slide service clamps no. 2 over the Catalytic Converter assembly outlet pipe without any tightening. Position the o2 sensor boss on the right side of the vehicle and slide the Catalytic Converter assembly outlet pipe over the intermediate pipe and place a new Catalytic Converter Gasket over Catalytic Converter studs. Lift the exhaust system into place which aligns the Catalytic Converter with the exhaust manifold pipe and install the nuts; hold them but do not tighten them to the Catalytic Converter to the exhaust manifold pipe. Tighten the bolts holding the center exhaust hangers to the rear suspension support brackets to 30 n.m (22 lb ft). Next, remember to tighten the Catalytic Converter nuts in a crisscross manner to 25 n.m (18 lb ft); remove the jack from under the vehicle and identify the service clamps midway the Catalytic Converter assembly outlet pipe, closely together, rotating them till the fastening area points toward each other. Finally, do the tightening on the service clamps to 54 n.m (40 lb ft), lower the vehicle, and look for leaks on the exhaust system.