SCD 4-Pack Oxygen O2 Lambda Sensors For Chevy Silverado 1500 2014-2017 4.3L 5.3L 6.2L – Upstream & Downstream, Direct Fit

This SCD 4-pack of oxygen sensors covers your 2014-2017 Chevy Silverado 1500 with 4.3L, 5.3L, or 6.2L engines.

Includes both upstream (pre-cat) and downstream (post-cat) positions.

Interchanges with OEM numbers like 2344940, 12655678, 12666612, and 12659516.

Four-wire sensors with mini-blade terminals – direct fit, easy installation.

2-year manufacturer warranty.

If your check engine light is on for O2 codes, or you're just refreshing your emissions system, these will do the trick.

Brand SCD, part numbers 234-4974 and 234-4940.

New, ready to install.

Keep your Silverado running clean.