Fit for: TOYOTA TACOMA 2.7L L4 2005-2012 Specifications: OE Numbers: 234-9050, 234-4624 Product Material: Stainless Steel Product Color: Silver Installation Position: Upstream, Downstream Functions: 1. The Upstream oxygen sensor is used to Monitor Raw Exhaust Gas to Adjust Air-fuel Ratio in Real-time, i.e., it is used to Detect Whether the Exhaust Gas Exceeds the Standard. 2. The Downstream oxygen sensor is mainly used to Detect Whether the Three-way Catalytic Converter Works Normally. Packaging Weight: 227 g Packaging Dimensions (cm): 15.5 x 10.5 x 6 Features: *Corrosion-Resistant Build .
