AP Exhaust 641476 Catalytic Converter - Front Left

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AP Exhaust 641476 Catalytic Converter - Front Left - view 1

AP Exhaust 641476 Catalytic Converter - Front Left - view 2

AP ExhaustPart #: 641476

AP Exhaust 641476 Catalytic Converter - Front Left

Name: AP Exhaust 641476 Catalytic Converter - Front Left
Brand: AP Exhaust
SKU: BBDL-641476
Price: 301.71 USD
Availability: InStock

Front Left

⚙️ 20 vehicles fit this part

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Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Buick, Cadillac, and Chevrolet, Impala, LaCrosse, and XTS

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Overview of AP Exhaust Catalytic Converter 641476

The AP Exhaust catalytic converter 641476 is designed as a federal EPA direct-fit replacement for select Buick, Cadillac, and Chevrolet models. Engineered to meet federal emissions standards, this converter provides a reliable solution for maintaining your vehicle's emission control system.

Federal / EPA direct-fit catalytic converter
Single inlet and outlet design for straightforward installation
Flange inlet connection and welded flange outlet connection
Compatible with Buick Impala, Cadillac LaCrosse, and Chevrolet XTS
Boxed packaging with corrugated cardboard for protection
Not CARB certified, intended for federal emissions compliance

Product Details and Specifications

This AP Exhaust catalytic converter, part number 641476, features a single inlet and outlet configuration, making it a direct replacement for the exhaust system components on compatible vehicles. The inlet connection uses a flange type, while the outlet connection is a welded flange, ensuring a secure and proper fit. Packaged in a protective corrugated cardboard box, this converter is designed to arrive in good condition, ready for installation.

Compatible Vehicles and Applications

This catalytic converter is compatible with the following vehicles:

Buick Impala
Cadillac LaCrosse
Chevrolet XTS

It is intended for use in federal emissions regions and is not CARB certified, so it is not suitable for California emissions requirements.

Common Issues Addressed by This Catalytic Converter

Excessive exhaust emissions causing failed emissions tests
Reduced engine performance due to clogged or damaged converter
Check engine light triggered by catalytic converter faults
Unusual exhaust odors or increased noise from exhaust system
Replacement of a damaged or rusted factory catalytic converter

Installation Notes and Tips

Installation of the AP Exhaust catalytic converter 641476 requires proper alignment of the flange inlet and welded flange outlet connections. Ensure all exhaust system components are clean and free of rust before installation. Professional installation is recommended to maintain emissions compliance and proper exhaust flow.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal EPA standards for emissions control. This product is boxed securely to prevent damage during shipping. Warranty information is available from the manufacturer and should be confirmed at the time of purchase.

Brand	AP Exhaust
Part Number	641476
Converter Type	Federal / epa direct-fit
Inlet Quantity	1
Outlet Quantity	1
California Air Resources Board (CARB) Certified	No
Boxed	Yes
Inlet A Connection Type	Flange
Outlet A Connection Type	Welded flange
Package Material	Corrugated cardboard
Package Type	Box

This part fits 20 vehicles. Search below:

Year	Make	Model	Drive Type	Liters	Cylinders	Position	Notes
2018	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2017	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2016	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; PZEV Emissions; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2016	Cadillac	XTS		3.6L	V6	Front Left	Direct Fit; Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2016	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; (14-17); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2016	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2015	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; PZEV Emissions; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2015	Cadillac	XTS		3.6L	V6	Front Left	Direct Fit; Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2015	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; (14-17); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2015	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2014	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; (PZEV Emissions); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2014	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; PZEV Emissions; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2014	Cadillac	XTS		3.6L	V6	Front Left	Direct Fit; Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2014	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; (14-17); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2014	Chevrolet	Impala		3.6L	V6	Front Left	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2013	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; (PZEV Emissions); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2013	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; PZEV Emissions; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2013	Cadillac	XTS		3.6L	V6	Front Left	Direct Fit; Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2012	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; (PZEV Emissions); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2012	Buick	LaCrosse	FWD	3.6L	V6	Front Left	Direct Fit; PZEV Emissions; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

20929216

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.