Bosch ADV Pre-Turbo O2 Sensor
Please Note - use of these sensors requires you to splice onto an old O2 harness as the ADV's are not available with the correct connector.
No warranty/replacements once sensors have been cut/spliced.
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* Products are not for sale or street use in California & other states following the California Emissions Standards. WE DO NOT SHIP KITS TO CALIFORNIA.
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