Derbi GP1 50 Open Catalytic Converter
New, used, or aftermarket – from sellers across Europe.
Parts availability
Hard to find – this is exactly what hank is made for!
Widely available Limited Hard to find
Last updated: 11.09.2026, 17:48
Catalytic Converter for your Derbi GP1 50 Open?
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Find Derbi GP1 50 Open parts online
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About this part
The catalytic converter on your GP1 50 Open converts the pollutants in the exhaust and decides whether the emissions test passes. Rattling when pulling away, a loss of power from blocked ceramic or a lambda control fault all call for replacement.
Frequently asked questions
What should I check when buying a catalytic converter for the Derbi GP1 50 Open?
Emissions standard, engine code and flange dimensions of your GP1 50 Open matter, because a converter for the wrong standard never brings the sensors into their control range. Look for a valid approval number on the housing and check that the lambda sensor bosses and heat shield are there.
A used original converter or an aftermarket one?
A used original fits without surprises and keeps the vehicle's approval, but tap it first to hear whether the ceramic has come loose. Aftermarket converters cost less yet need the matching approval, otherwise the roadworthiness test turns into a problem.
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