PONTIAC G6 Catalytic converter replacement Cost
2004–2008 · Engine, Fuel & Emissions system
Typical range
$468–$8.1k
Parts + labour
Labour hours
1–6h
At a typical garage
The catalytic converter reduces harmful exhaust gases by converting them to less toxic compounds. A failing cat triggers a P0420 check engine light, may produce a sulphur smell and can reduce engine power. PONTIAC G6 catalytic converter replacement costs $468–$8138—one of the more expensive emission-related repairs.
Typical parts included
- Catalytic converter
What affects the price
- OEM vs direct-fit aftermarket vs universal (OEM recommended for emissions compliance)
- Whether the vehicle has multiple catalytic converters (common on V6/V8)
- Whether upstream oxygen sensors need replacing at the same time
Common questions
How long does this repair take?
Catalytic converter replacement on a PONTIAC G6 typically takes 1–6 hours at a garage.
How often does this need to be done?
For a PONTIAC G6, this is typically needed catalytic converters are replaced on failure; typical lifespan is 100,000–150,000 miles with good maintenance.
Other engine, fuel & emissions system repairs on the PONTIAC G6
- ABS hydraulic unit replacement$383–$701
- ABS sensor replacement$158–$289
- ABS system bleeding$126–$231
- AC compressor clutch replacement$315–$578
- AC compressor replacement$338–$619
Catalytic converter replacement cost on similar cars
- VOLKSWAGEN Passat$315–$578
- OPEL Insignia$315–$578
- AUDI A4 Avant$315–$578
- FORD Mondeo Hatchback$315–$578
- RENAULT Laguna$315–$578
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