How to replace the catalytic converter on 4.8L and 5.3L engines on 2004 Chevrolet Blazer?

To change the catalytic converter of 4.8L and 5.3L engines, lift the vehicle, and hold the transmission. Take out the transmission mount and crossmember, the engine harness and oxygen sensor connectors, the exhaust components. Install the new catalytic converter, apply anti-seize to the oxygen sensors, and reassemble all the components then lower vehicle.

OEM 2004 Chevrolet Blazer Catalytic Converter

Cat. Converter

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4 Catalytic Converters found

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2004 Chevrolet Blazer Front Pipe Part Number: 15744826
Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold *Marked Print; Exhaust Pipe; Pipe, Catalytic Converter; Pipe, Exhaust Pipe
- Item Weight: 27.20 Pounds
- Item Dimensions: 25.2 x 19.4 x 60.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15744826
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Chevrolet Blazer Submodels:
- Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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2004 Chevrolet Blazer Front Pipe Part Number: 15744827
Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold *Marked Print; Exhaust Pipe; Pipe, Catalytic Converter; Pipe, Exhaust Pipe
- Item Weight: 29.30 Pounds
- Item Dimensions: 51.4 x 29.8 x 16.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15744827
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Blazer Submodels:
- Base, LS, LT, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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2004 Chevrolet Blazer Front Pipe Part Number: 15744828
Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold *Marked Print; Catalytic Converter; Exhaust Pipe; Converter & Pipe; Pipe, Catalytic Converter; Pipe, Exhaust Pipe
- Item Weight: 29.70 Pounds
- Item Dimensions: 59.4 x 28.8 x 16.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15744828
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Blazer Submodels:
- Base, LS, LT, Trailblazer, ZR2 | 6 Cyl 4.3 L GAS
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2004 Chevrolet Blazer Front Pipe Part Number: 15744823
Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold *Marked Print; Exhaust Pipe; Pipe, Catalytic Converter; Pipe, Exhaust Pipe
- Item Weight: 28.20 Pounds
- Item Dimensions: 60.7 x 24.3 x 14.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15744823
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Blazer Submodels:
- Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS

2004 Chevrolet Blazer Catalytic Converter

With a comprehensive array of OEM 2004 Chevrolet Blazer Catalytic Converter, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Chevrolet Blazer 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.

2004 Chevrolet Blazer Catalytic Converter Parts and Q&A

Q: How to replace the catalytic converter on 4.8L and 5.3L engines on 2004 Chevrolet Blazer?
A: To change the catalytic converter of 4.8L and 5.3L engines, lift the vehicle, and hold the transmission. Take out the transmission mount and crossmember, the engine harness and oxygen sensor connectors, the exhaust components. Install the new catalytic converter, apply anti-seize to the oxygen sensors, and reassemble all the components then lower vehicle.