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Buick Catalytic Converter Replacement
We Have 8 Items for Buick Catalytic Converter Replacement In-Stock
| Showing items 1-8 out of 8 |
- List Price:$189.65
- Our Price: $160.72
- You Save: $28.93

This direct fit item is manufactured from high quality and durable stainless steel catalytic case, 16-gauge aluminized steel tubes, and heat shield for long lasting durability and for better protection. It also features honeycomb catalyst that has maximum surface area flow.
OBD-II and EPA compliant catalytic converter; It is a high quality aftermarket replacement for the OEM catalytic converter. Designed for easy installation - it requires no cutting or welding!
Specifications:
- 1 oxygen sensor port
- 2-bolt welded type inlet and outlet flange, round body
- 1 inlet and 1 outlet configuration
Includes:
- 16-gauge aluminized steel heat shield
- All gaskets for ease of fitment
Notes:
- 49-state legal, not for sale or use in California; Cannot be shipped to California addresses.
| Fit Note: | With Front Pipe, 37 in. Overall Length |
|---|---|
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile limited warranty |
Fits the following 1997-2004 Buick Regal submodels:
- 1997-2004: GS; 6 Cyl 3.8L;
- 1997-2004: LS; 6 Cyl 3.8L;
- List Price:$156.23
- Our Price: $68.02
- You Save: $88.21

The ECO II Catalytic Converter from Eastern features greater loadings of precious metals - leading to better catalytic efficiency. This product is ideal to use on vehicles with complex or OBD II systems.
Eastern is one of the top manufacturers of catalytic converters, incorporating exclusive and sophisticated research and development to assure that only the best goes into the market.
Specifications:
- 14 in. overall length
- 2.5 in. inlet/outlet size
- Oval body
| Series: | Eastern Standard |
|---|---|
| Type: | 49-state legal - no CA shipments, Minor modifications required |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 2004-2007 Buick Rainier submodels:
- 2004-2007: CXL; 8 Cyl 5.3L;
- 2004-2005: CXL Plus; 6 Cyl 4.2L;
- List Price:$137.29
- Our Price: $106.09
- You Save: $31.20

MAGNAFLOW 49-STATE SEMI-UNIVERSAL CATALYTIC CONVERTER
- Not legal for use in California or in states adopting the California emissions standards
- Semi-universal design – cut out your old catalytic converter and weld in the new one
- Stainless Steel Construction
- Legendary Magnaflow quality, power, and sound
- Ceramic, honeycomb catalyst designed for maximum flow and surface area
When you want the best, you want Magnaflow! These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one. Engineered to cut emissions and improve performance.
| Series: | Magnaflow 49-State Semi-Universal |
|---|---|
| Type: | 49-state legal - no CA shipments, Minor modifications required |
| Quantity Sold: | Sold individually |
| Warranty: | Magnaflow 25,000 Mile Limited Warranty |
Fits the following 2004-2007 Buick Rainier submodels:
- 2007-2007: CXL; 8 Cyl 5.3L;
- 2004-2007: CXL; 6 Cyl 4.2L;
- List Price:$574.46
- Our Price: $251.52
- You Save: $322.94

Catco catalytic converters are designed with 409 stainless steel pipes and shell for longer life.
Specifications
- 2-bolt welded flange inlet
- 2-bolt welded flange outlet
- With one oxygen sensor port
- Standard assembly with one catalytic converter
- Round body
- 37.38 in. overall length
- Single inlet and outlet configuration
| Fit Note: | With Front Pipe, 37-3/8 in. Overall Length |
|---|---|
| Type: | 49-state legal - no CA shipments, OE replacement |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Catco limited warranty |
Fits the following 1997-2004 Buick Regal submodels:
- 1997-2004: GS; 6 Cyl 3.8L;
- 1997-2004: LS; 6 Cyl 3.8L;
- List Price:$545.93
- Our Price: $204.30
- You Save: $341.63

Davico Catalytic Converter
Davico Manufacturing is committed to producing hard to find and specialized exhaust parts for the customer's satisfaction. Its catalytic converter is an example of the company's outstanding dedication.
Davico Catalytic Converter's design enables the conversion of harmful compounds into less dangerous gasses to help in pollution control without reducing its efficiency. Designed for many makes and models, this converter is easy to install.
Specifications:
- 3-way catalyst style
- 37.25 in. L x 7.25 in. W x 13.5 in. H
- Single inlet and outlet configuration
- One catalytic converter
- Ceramic honeycomb substrate material
- Stainless steel case material
- Aluminized steel tube material
- 2 bolt-fixed flange inlet type
- 2 bolt-fixed flange outlet type
- With one oxygen sensor port
- Includes gaskets: 24316 (1), 24731 (1)
Notes:
- 49-state legal; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states
- Does not require cutting, sliding, clamping, or welding for installation
| Fit Note: | With Front Pipe, 37 in. Overall Length |
|---|---|
| Series: | Davico Standard |
| Type: | 49-state legal - no CA shipments, OE replacement |
| Quantity Sold: | Sold individually |
| Warranty: | 2-year or 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and welds |
Fits the following 1997-2003 Buick Regal submodels:
- 1997-2003: GS; 6 Cyl 3.8L;
- 1997-2003: LS; 6 Cyl 3.8L;
- List Price:$1,800.00
- Our Price: $538.56
- You Save: $1,261.44

Benchmark catalytic converters are considered to be the industry's standard replacement catalytic converter. It is the recognized leader in fitment and durability. It features perfect fit and repeatability and its performance results are continually monitored by Benchmark's internal emissions laboratory to insure quality loadings which eliminate OBDII issues caused by many universal catalysts.
Notes
- Product legal for sale in California under Executive Order (EO) number D-193-89. Before purchasing this product, please check the Executive Order at www.arb.ca.gov to verify whether this product is allowed for installation on your specific vehicle application.
| Fit Note: | Low-Emission Vehicle |
|---|---|
| Type: | 50-state legal, OE replacement |
| Quantity Sold: | Assembly |
| Warranty: | 5-year or 50,000-mile Benchmark limited warranty |
Fits the following 2003-2003 Buick Rendezvous submodels:
- 2003-2003: CX Plus; 6 Cyl 3.4L;
- 2003-2003: CX; 6 Cyl 3.4L;
- List Price:$298.16
- Our Price: $252.68
- You Save: $45.48

Bosal catalytic converters are made to fit vehicle-specific requirements for backpressure, emissions, sound levels, and sensors. Designed and built for long life reliability.
Notes
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
| Type: | 49-state legal - no CA shipments, OE replacement |
|---|---|
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 25,000-mile Bosal limited warranty |
Fits the following 2005-2009 Buick LaCrosse submodels:
- 2005-2009: CX; 6 Cyl 3.8L;
- 2005-2009: CXL; 6 Cyl 3.8L;
- List Price:$271.94
- Our Price: $108.13
- You Save: $163.81

Walker catalytic converter features stainless steel body, aluminized expandable bushings and heat shield for enhanced strength and durability.
Features
- Has broad application coverage
- Higher loaded substrate
- Oval body
- Modification of the exhaust is required
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
| Type: | 49-state legal - no CA shipments, Minor modifications required |
|---|---|
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Walker limited warranty |
Fits the following 1991-1993 Buick Roadmaster submodels:
- 1992-1993: Base; 8 Cyl 5.7L;
- 1992-1993: Estate Wagon; 8 Cyl 5.7L;
| Showing items 1-8 out of 8 |
Featured Buick Catalytic Converter Models
- Apollo Catalytic Converter
- Century Catalytic Converter
- Commercial Chassis Catalytic Converter
- Electra Catalytic Converter
- Estate Wagon Catalytic Converter
- LaCrosse Catalytic Converter
- LeSabre Catalytic Converter
- Park Avenue Catalytic Converter
- Rainier Catalytic Converter
- Reatta Catalytic Converter
Featured Catalytic Converter Makes
- Acura Catalytic Converter
- Audi Catalytic Converter
- BMW Catalytic Converter
- Cadillac Catalytic Converter
- Chevy Catalytic Converter
- Chrysler Catalytic Converter
- Daewoo Catalytic Converter
- Dodge Catalytic Converter
- Eagle Catalytic Converter
- Ford Catalytic Converter
- Geo Catalytic Converter
- GMC Catalytic Converter
- Honda Catalytic Converter
- Hummer Catalytic Converter
- Hyundai Catalytic Converter
- Infiniti Catalytic Converter
- Isuzu Catalytic Converter
- Jaguar Catalytic Converter
- Jeep Catalytic Converter
- Kia Catalytic Converter
- Land Rover Catalytic Converter
- Lexus Catalytic Converter
- Lincoln Catalytic Converter
- Mazda Catalytic Converter
- Mercedes Catalytic Converter
- Mercury Catalytic Converter
- Mitsubishi Catalytic Converter
- Nissan Catalytic Converter
- Oldsmobile Catalytic Converter
- Plymouth Catalytic Converter
- Pontiac Catalytic Converter
- Porsche Catalytic Converter
- Saab Catalytic Converter
- Saturn Catalytic Converter
- Scion Catalytic Converter
- Subaru Catalytic Converter
- Suzuki Catalytic Converter
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