Downstream Oxygen (O2) Sensor Fits Honda Civic 2016-2021 36532-5BA-A01 234-8025 Fit for: Honda Civic 2016-2021 Specifications: OE Numbers: 36532-5BA-A01, 234-8025 Product Material: Stainless Steel Product Color: As Shown in the Picture Installation Position: Downstream Functions: The Downstream oxygen sensor is mainly used to Detect Whether the Three-way Catalytic Converter Works Normally. Packaging Weight: 124 g Packaging Dimensions (cm): 15.5 x 10.5 x 5 Features: *Corrosion-Resistant Build .