How to replace a catalytic converter on 2007 Buick LaCrosse?

To replace the catalytic converter, jack up the vehicle, disconnect the HO2S connector. Get rid of the exhaust manifold pipe nuts and gasket. Support the exhaust pipe, and then remove the catalytic converter and gasket. Clean the mating surfaces, replace the HO2S and provide adequate support during installation. Finally, check for leaks before dropping the car.

OEM 2007 Buick LaCrosse Catalytic Converter

Cat. Converter

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5 Catalytic Converters found

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2007 Buick LaCrosse Catalytic Converter Part Number: 19332467
$1033.00 MSRP: $1547.90
You Save: $514.90 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe; Converter, Exhaust Pipe
- Replaces: 15861402
- Item Weight: 20.80 Pounds
- Item Dimensions: 38.5 x 7.3 x 5.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19332467
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2007 Buick LaCrosse Catalytic Converter Part Number: 15861399
$1892.60 MSRP: $2838.58
You Save: $945.98 (34%)
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Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Item Weight: 14.90 Pounds
- Item Dimensions: 6.2 x 38.6 x 10.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15861399
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2007 Buick LaCrosse Cross Over Part Number: 24503125
$437.51 MSRP: $654.11
You Save: $216.60 (34%)
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Product Specifications
- Other Name: Pipe, Exhaust Pipe; Crossover Pipe; Front Pipe; Cross Over Pipe; Exhaust Pipe
- Item Weight: 7.30 Pounds
- Item Dimensions: 17.4 x 6.7 x 5.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24503125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2007 Buick LaCrosse Catalytic Converter Part Number: 15212752
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Item Dimensions: 33.5 x 9.8 x 7.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15212752
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2007 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS
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2007 Buick LaCrosse Catalytic Converter Part Number: 15848640
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Item Weight: 11.80 Pounds
- Item Dimensions: 33.7 x 8.9 x 6.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15848640
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS

2007 Buick LaCrosse Catalytic Converter

With a comprehensive array of OEM 2007 Buick LaCrosse Catalytic Converter, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2007 Buick LaCrosse Catalytic Converter are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2007 Buick LaCrosse Catalytic Converter Parts and Q&A

Q: How to replace a catalytic converter on 2007 Buick LaCrosse?
A: To replace the catalytic converter, jack up the vehicle, disconnect the HO2S connector. Get rid of the exhaust manifold pipe nuts and gasket. Support the exhaust pipe, and then remove the catalytic converter and gasket. Clean the mating surfaces, replace the HO2S and provide adequate support during installation. Finally, check for leaks before dropping the car.