TOM AUTO PARTS O2 Oxygen Sensor SG454 (2PCS) – Replacement For Chevrolet, Pontiac, Buick, Acura

If your check engine light is glaring at you and your gas mileage has gone south, these O2 sensors might be the fix.

This pair from TOM AUTO PARTS (model SG454) fits a wide range of GM vehicles—Chevrolet, Pontiac, Buick, and even some Acura models.

They’re direct replacements for a bunch of OEM numbers like 19178918, 25312200, and 2344012, so cross-checking is easy.

Placement is typically on the left side, but always double-check your setup.

Each sensor is brand new, in the box, and ready to get your air-fuel mixture back on track.

UPC is 6874783235034 if you want to look ’em up.

No more rough idles, no more mystery warning lights—just smooth running again.