How to replace the catalytic converter that are integral with the exhaust manifold for four cylinder engine on 2006 Mazda 6?

The catalytic converter is integral with the exhaust manifold; replace as a unit. Raise the vehicle, cool engine, remove the heat shield and bolts, disconnect the pipe and oxygen sensor, remove manifold and studs, clean, inspect surfaces, install new studs, gasket and manifold, tighten in stages and check for leaks.

Genuine 2006 Mazda 6 Exhaust Manifold

Engine Exhaust Manifold

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3 Exhaust Manifolds found

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2006 Mazda 6 Exhaust Manifold Part Number: L3K9-13-450
$958.92 MSRP: $1310.26
You Save: $351.34 (27%)
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Product Specifications
- Other Name: Manifold, Exhaust
- Item Weight: 11.10 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L3K9-13-450
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2006 Mazda 6 Submodels:
- i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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2006 Mazda 6 Exhaust Manifold Part Number: L362-13-45XG
$1572.82 MSRP: $2149.09
You Save: $576.27 (27%)
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Product Specifications
- Replaces: L362-13-45XF, L362-13-45X, L362-13-45XB, L362-13-45XC, L362-13-45XE, L362-13-45XD
- Item Weight: 10.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L362-13-45XG
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2006 Mazda 6 Submodels:
- i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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2006 Mazda 6 Exhaust Manifold Part Number: L322-13-450C
Product Specifications
- Item Weight: 10.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L322-13-450C
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2006 Mazda 6 Submodels:
- i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS

2006 Mazda 6 Exhaust Manifold Parts and Q&A

Q: How to replace the catalytic converter that are integral with the exhaust manifold for four cylinder engine on 2006 Mazda 6?
A: The catalytic converter is integral with the exhaust manifold; replace as a unit. Raise the vehicle, cool engine, remove the heat shield and bolts, disconnect the pipe and oxygen sensor, remove manifold and studs, clean, inspect surfaces, install new studs, gasket and manifold, tighten in stages and check for leaks.