The O2 sensor fixture contains a miniature catalytic converter designed to work with your vehicle's emission system. It helps maintain proper sensor readings after the removal of the main catalytic converter, which may assist in preventing the check engine light from illuminating due to catalyst efficiency codes such as P0420 or P0430. This device is not intended to bypass or disable any required emission controls and is intended for off-road use only.The unit is constructed with high-quality materials for durability and resistance to corrosion. It features precise threading made with specialized tools to ensure a secure fit and reliable performance. Designed for vehicles with M18 x 1.5 oxygen sensor threads, it offers a universal fitment for many applications.Features: - Precision-engineered threads for reliable installation - Durable metal construction resists deformation and rust - Simple, direct bolt-on design for easy installation - Compatible with most vehicles using M18 x 1.5 O2 sensors Condition: New Type: O2 Sensor Spacer Thread: M18 x 1.5 Dimensions: Approximately 1.85 x 0.98 x 1.18 inches Material: Metal Color: Silver Package Includes: 10 x Oxygen Sensor Adapters Note: This package includes only the items listed above. Other accessories are not included. Due to lighting effects and monitor settings, the color in the image may slightly differ from the actual product. Measurement tolerance is +/- 1-3 cm.