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The rear O2 sensor boss is a welded mounting fitting installed on the exhaust pipe downstream of the catalytic converter. Typically made from mild or stainless steel, it features a threaded interior to securely house the rear oxygen sensor. This boss ensures an airtight seal, preventing exhaust leaks while allowing the sensor to accurately monitor post-catalyst gas composition. Proper positioning and welding are critical for sensor performance and longevity. Often supplied with a protective plug before sensor installation, the rear O2 sensor boss is essential for emissions control and engine management systems.
Precision-machined structure ensures a tight, leak-proof fit for the rear O2 sensor in exhaust systems.
Corrosion-resistant metal construction withstands high exhaust temperatures for long service life.
Tight dimensional tolerance guarantees stable sensor function and accurate emissions monitoring.
| Material | MPIF35-SS430L |
