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Chevy Impala Catalytic Converter
We Have 117 Items for Chevy Impala Catalytic Converter In-Stock
On all orders over $50
Select your vehicle
- 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.
| 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 2000-2005 Chevrolet Impala submodels:
- 2004-2005: SS; 6 Cyl 3.8L;
- 2000-2005: Base; 6 Cyl 3.8L;
- 2000-2005: LS; 6 Cyl 3.8L;
- 2003-2003: LS Sport; 6 Cyl 3.8L;
Availability:In stock
- List Price: $156.23
- Our Price: $67.28
- You Save: $88.95

Eastern catalytic converters are constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency. It features high flow design that maximizes engine output and catalytic efficiency.
Specifications
- 3-way catalyst style
- 6,000 lbs. GVW
- 2.25 in. inlet
- 2.25 in. outlet
- Single center inlet and outlet configuration
- 10 in. L x 6 in. W x 4.25 in. H, 14 in. overall length
- Oval casing
- Without oxygen sensor port and air tube provision
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
- Non-directional and can be installed either way
- Modification of the exhaust is required
| 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 1994-1996 Chevrolet Impala submodels:
- 1994-1996: SS; 8 Cyl 5.7L;
Availability:In stock
- List Price: $495.25
- Our Price: $188.20
- You Save: $307.05

Eastern ECO GM Series Catalytic Converter
The Eastern ECO GM Series Catalytic Converter is designed specifically to meet emissions of GM 2.2, 3.1, 3.4 and 3.8L engines. It features wash coats with greater loadings of precious metals to handle applications with ultra low emissions, higher than normal emissions, as well as vehicles with higher mileage and heavier workloads.
Features and Benefits:
- Engineered with Eastern's proprietary NANO technology yielding highly efficient loadings for lower cost and better converter efficiency
- Features an advanced materials design for maximum engine output and performance
Specifications:
- 3-way catalyst style
- 2-bolt welded type inlet
- 2-bolt welded type outlet
- 37 in. overall length
- With one 18 mm style oxygen sensor port
- Oval body
- Single inlet and outlet configuration
- 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
| Series: | Eastern ECO GM |
|---|---|
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Assembly |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 2000-2005 Chevrolet Impala submodels:
- 2004-2005: SS; 6 Cyl 3.8L;
- 2000-2005: Base; 6 Cyl 3.8L;
- 2000-2005: LS; 6 Cyl 3.8L;
- 2003-2003: LS Sport; 6 Cyl 3.8L;
Availability:In stock
- List Price: $112.58
- Our Price: $51.70
- You Save: $60.88

Eastern catalytic converters are constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency. It features high flow design that maximizes engine output and catalytic efficiency.
Specifications
- 3-way catalyst style
- 6,000 lb GVW
- Without air tube provision and oxygen sensor port
- Oval body
- 6 x 4.25 x 10 in. body, 14 in. overall length
- 2.5 in. inlet diameter
- 2.5 in. outlet diameter
- Single inlet and outlet configuration
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
- Non-directional and can be installed either way
- Modification of the exhaust is required
| Fit Note: | 14 in. Overall Length, with Curved Type Unit, For Units Without Airtube On Catalyst |
|---|---|
| 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 1975-1982 Chevrolet Impala submodels:
- 1981-1982: Estate; 8 Cyl 5.0L;
- 1978-1982: Base; 8 Cyl 5.0L;
- 1980-1980: Base; 6 Cyl 3.8L;
- 1980-1980: Sport; 6 Cyl 3.8L;
- 1979-1980: Sport; 8 Cyl 5.0L;
- 1975-1980: Base; 8 Cyl 5.7L;
- 1975-1980: Sport; 8 Cyl 5.7L;
- 1979-1979: Sport; 6 Cyl 4.1L;
- 1978-1979: Landau; 8 Cyl 5.0L;
- 1977-1979: Base; 6 Cyl 4.1L;
- 1977-1979: Landau; 6 Cyl 4.1L;
- 1977-1979: Landau; 8 Cyl 5.7L;
- 1977-1977: Custom; 6 Cyl 4.1L;
- 1975-1977: Custom; 8 Cyl 5.7L;
- 1976-1976: Custom Landau; 8 Cyl 5.7L;
- 1976-1976: Custom Landau; 8 Cyl 7.4L;
- 1976-1976: S; 8 Cyl 5.7L;
- 1976-1976: S; 8 Cyl 7.4L;
- 1975-1976: Base; 8 Cyl 7.4L;
- 1975-1976: Custom; 8 Cyl 7.4L;
- 1975-1976: Sport; 8 Cyl 7.4L;
Availability:In stock
- List Price: $112.58
- Our Price: $51.80
- You Save: $60.78

Eastern catalytic converters are constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency. It features high flow design that maximizes engine output and catalytic efficiency.
Specifications
- 3-way catalyst style
- 6,000 lb GVW
- Without air tube provision and oxygen sensor port
- Oval body
- 6 x 4.25 x 10 in. body, 14 in. overall length
- 2.25 in. inlet diameter
- 2.25 in. outlet diameter
- Single inlet and outlet configuration
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
- Non-directional and can be installed either way
- Modification of the exhaust is required
| Fit Note: | 20-1/4 in. Overall Length, with Straight Type Unit, With Curved Type Unit, Without Airtube On Catalyst, with Curved Type Unit |
|---|---|
| Series: | Eastern Standard |
| Type: | 49-state legal - no CA shipments, Universal |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 1980-1984 Chevrolet Impala submodels:
- 1980-1984: Base; 6 Cyl 3.8L;
- 1981-1982: Base; 8 Cyl 4.4L;
- 1981-1982: Estate; 6 Cyl 3.8L;
- 1981-1982: Estate; 8 Cyl 4.4L;
- 1980-1980: Sport; 6 Cyl 3.8L;
Availability:In stock
- List Price: $487.87
- Our Price: $188.48
- You Save: $299.39

Eastern ECO III Series Catalytic Converter
3 decades of advancement is proof enough that Eastern is the top maker of the highest quality aftermarket replacement and OE catalytic converters on the industry. Their ECO Series Catalytic Converters which are developed to help keep the Check Engine Light (MIL) off is another set of catalytic converters with top notch quality.
The Eastern ECO III Series Catalytic Converter is designed with twice the amount of Rhodium for vehicles with emissions that are out of the normal range. It features wash coats with greater loadings of precious metals to handle applications with ultra low emissions, higher than normal emissions, as well as vehicles with higher mileage and heavier workloads.
Features and Benefits:
- Engineered with Eastern's proprietary NANO technology yielding highly efficient loadings for lower cost and better converter efficiency
- Features an advanced materials design for maximum engine output and performance
Specifications:
- 3-way catalyst style
- 2-bolt welded type inlet
- 2-bolt welded type outlet
- 40 in. overall length
- With one 18 mm style oxygen sensor port
- Oval body
- Single inlet and outlet configuration
- 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
| Series: | Eastern ECO III |
|---|---|
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Assembly |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 2000-2005 Chevrolet Impala submodels:
- 2000-2005: Base; 6 Cyl 3.4L;
Availability:In stock
- List Price: $116.18
- Our Price: $48.62
- You Save: $67.56
Eastern catalytic converters are constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency. It features high flow design that maximizes engine output and catalytic efficiency.
Specifications
- 3-way catalyst style
- With one air tube provision
- Without oxygen sensor port
- Oval body
- 6 x 4.25 x 10 in. body, 14 in. overall length
- 2.25 in. inlet diameter
- 2.25 in. outlet diameter
- Single inlet and outlet configuration
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
- Non-directional and can be installed either way
- Modification of the exhaust is required
| Fit Note: | 22-1/4 in. Overall Length, with Curved Type Unit, For Units with Airtube On Catalyst, With Airtube On Catalyst, with Straight Type Unit, With Straight Type Unit |
|---|---|
| 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 1980-1985 Chevrolet Impala submodels:
- 1985-1985: Base; 6 Cyl 4.3L;
- 1983-1985: Base; 8 Cyl 5.7L;
- 1981-1985: Base; 8 Cyl 5.0L;
- 1980-1984: Base; 6 Cyl 3.8L;
- 1981-1982: Base; 8 Cyl 4.4L;
- 1981-1982: Estate; 6 Cyl 3.8L;
- 1981-1982: Estate; 8 Cyl 4.4L;
- 1981-1982: Estate; 8 Cyl 5.0L;
- 1980-1980: Sport; 6 Cyl 3.8L;
Availability:In stock
- List Price: $410.26
- Our Price: $163.72
- You Save: $246.54

Eastern Catalytic Converter
World-class quality and innovation have made Eastern the best converter manufacturer in the business. 100% of Eastern's research and development efforts goes into making the finest aftermarket and original equipment catalytic converters on the market. Each Eastern catalytic converter uses advanced materials design which retains maximum engine output and maximizes catalytic efficiency. Eastern's proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Specifications:
- With two oxygen sensor ports
- Oval body
- 1 inlet and 1 outlet configuration
- 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
| Location: | Driver Side |
|---|---|
| Series: | Eastern Standard |
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 1994-1996 Chevrolet Impala submodels:
- 1994-1996: SS; 8 Cyl 5.7L;
Availability:In stock
- List Price: $232.46
- Our Price: $95.16
- You Save: $137.30

Eastern catalytic converters are constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency. It features high flow design that maximizes engine output and catalytic efficiency.
Specifications
- 3-way catalyst style
- 6,000 lbs. GVW
- 2.25 in. inlet
- 2.25 in. outlet
- Single center inlet and outlet configuration
- 12 in. L x 6 in. W x 4.25 in. H, 16 in. overall length
- Oval casing
- Without oxygen sensor port and air tube provision
- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses
- Non-directional and can be installed either way
- Modification of the exhaust is required
| 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 2000-2005 Chevrolet Impala submodels:
- 2000-2005: Base; 6 Cyl 3.4L;
Availability:In stock
- List Price: $436.85
- Our Price: $179.98
- You Save: $256.87

Eastern Catalytic Converter
World-class quality and innovation have made Eastern the best converter manufacturer in the business. 100% of Eastern's research and development efforts goes into making the finest aftermarket and original equipment catalytic converters on the market. Each Eastern catalytic converter uses advanced materials design which retains maximum engine output and maximizes catalytic efficiency. Eastern's proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Specifications:
- With two oxygen sensor ports
- Oval body
- 1 inlet and 1 outlet configuration
- 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
| Location: | Passenger Side |
|---|---|
| Series: | Eastern Standard |
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 1994-1996 Chevrolet Impala submodels:
- 1994-1996: SS; 8 Cyl 5.7L;
Availability:In stock
- List Price: $232.46
- Our Price: $92.49
- You Save: $139.97

Get maximum engine storage capability plus emissions performance with Eastern's ECO GM Catalytic Converter. This item features the new ECO-GM catalyst formula which makes it ideal for GM 2.2, 3.1, 3.4, and 3.8L engines' special OB-II needs.
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:
- 16 in. overall length
- 2.5 in. inlet/outlet size
- Oval body
- 3-way catalyst style
| 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 2000-2008 Chevrolet Impala submodels:
- 2008-2008: 50th Anniversary Edition; 6 Cyl 3.5L;
- 2006-2008: LS; 6 Cyl 3.5L;
- 2006-2008: LT; 6 Cyl 3.5L;
- 2004-2005: SS; 6 Cyl 3.8L;
- 2000-2005: Base; 6 Cyl 3.8L;
- 2000-2005: LS; 6 Cyl 3.8L;
- 2003-2003: LS Sport; 6 Cyl 3.8L;
Availability:In stock
- List Price: $257.32
- Our Price: $108.63
- You Save: $148.69

Eastern Catalytic Converter
World-class quality and innovation have made Eastern the best converter manufacturer in the business. 100% of Eastern's research and development efforts goes into making the finest aftermarket and original equipment catalytic converters on the market. Each Eastern catalytic converter uses advanced materials design which retains maximum engine output and maximizes catalytic efficiency. Eastern's proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Specifications:
- 3-way catalyst style
- 2-bolt spin type outlet
- 2.25 in. inlet
- 23 in. overall length
- Oval body
- Single inlet and outlet configuration
- 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
| Fit Note: | With Airtube On Catalyst, with Straight Type Unit, Without inlet Flange with non GM Type outlet Flange |
|---|---|
| Series: | Eastern Standard |
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 1983-1985 Chevrolet Impala submodels:
- 1984-1985: Base; 8 Cyl 5.0L;
- 1983-1984: Base; 6 Cyl 3.8L;
Availability:In stock
- List Price: $280.31
- Our Price: $116.80
- You Save: $163.51

Eastern Catalytic Converter
World-class quality and innovation have made Eastern the best converter manufacturer in the business. 100% of Eastern's research and development efforts goes into making the finest aftermarket and original equipment catalytic converters on the market. Each Eastern catalytic converter uses advanced materials design which retains maximum engine output and maximizes catalytic efficiency. Eastern's proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Specifications:
- 3-way catalyst style
- 4-bolt welded type inlet
- 4-bolt spin type outlet
- 20 in. overall length
- Oval body
- Single inlet and outlet configuration
- 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
| Fit Note: | 20 in. Overall Length, with Straight Type Unit, With Airtube On Catalyst, with Straight Type Unit, with inlet Flange with GM Type outlet Flange |
|---|---|
| Series: | Eastern Standard |
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 1981-1984 Chevrolet Impala submodels:
- 1981-1984: Base; 6 Cyl 3.8L;
- 1981-1982: Estate; 6 Cyl 3.8L;
Availability:In stock
- List Price: $241.25
- Our Price: $102.43
- You Save: $138.82

Eastern Catalytic Converter
World-class quality and innovation have made Eastern the best converter manufacturer in the business. 100% of Eastern's research and development efforts goes into making the finest aftermarket and original equipment catalytic converters on the market. Each Eastern catalytic converter uses advanced materials design which retains maximum engine output and maximizes catalytic efficiency. Eastern's proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Specifications:
- 3-way catalyst style
- 4-bolt spin type outlet
- 2.25 in. inlet
- 20 in. overall length
- Oval body
- Single inlet and outlet configuration
- 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
| Fit Note: | 20-1/4 in. Overall Length, with Straight Type Unit, Without Airtube On Catalyst |
|---|---|
| Series: | Eastern Standard |
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Sold individually |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 1980-1982 Chevrolet Impala submodels:
- 1981-1982: Base; 8 Cyl 5.0L;
- 1981-1982: Estate; 6 Cyl 3.8L;
- 1981-1982: Estate; 8 Cyl 5.0L;
- 1980-1982: Base; 6 Cyl 3.8L;
- 1980-1980: Sport; 6 Cyl 3.8L;
Availability:In stock
- List Price: $674.40
- Our Price: $269.52
- You Save: $404.88

Eastern ECO GM Series Catalytic Converter
The Eastern ECO GM Series Catalytic Converter is designed specifically to meet emissions of GM 2.2, 3.1, 3.4 and 3.8L engines. It features wash coats with greater loadings of precious metals to handle applications with ultra low emissions, higher than normal emissions, as well as vehicles with higher mileage and heavier workloads.
Features and Benefits:
- Engineered with Eastern's proprietary NANO technology yielding highly efficient loadings for lower cost and better converter efficiency
- Features an advanced materials design for maximum engine output and performance
Specifications:
- 3-way catalyst style
- 2-bolt welded type inlet
- 2-bolt welded type outlet
- 39.5 in. overall length
- With one 18 mm style oxygen sensor port
- Standard assembly with one catalytic converter
- Oval body
- Single inlet and outlet configuration
- 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
| Series: | Eastern ECO GM |
|---|---|
| Type: | 49-state legal - no CA shipments, Direct fit |
| Quantity Sold: | Assembly |
| Warranty: | 5-year or 50,000-mile Eastern limited warranty |
Fits the following 2006-2008 Chevrolet Impala submodels:
- 2008-2008: 50th Anniversary Edition; 6 Cyl 3.5L;
- 2006-2008: LS; 6 Cyl 3.5L;
- 2006-2008: LT; 6 Cyl 3.5L;
- 2006-2007: LS; 6 Cyl 3.9L;
- 2006-2007: LT; 6 Cyl 3.9L;
- 2006-2007: LTZ; 6 Cyl 3.9L;
Availability:In stock
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