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Check engine light on?

These two downstream O2 sensors drop right in.

Compatible with GMC Savana, Chevy Silverado 1500, and more.

Crosses to a ton of OEM numbers: 12578624, 12578459, 12587214, 19178921, 234-4087, AFS123, AFS98.

Threaded, screw-on style, brand new in the box.

No brand name, but the fit and function are solid.

Two sensors, one price.

Clear that code, fix your fuel trims, and pass inspection.

UPC doesn't apply—just results.

4.9 out of 5