Sorry, there are no Emission Control that fit your
2003 Chevrolet Silverado 1500.
Replacement 4-Wire OE Comparable Oxygen Sensor consists of a stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound. It also includes easy-to-follow installation manual.
Replacement - the most affordable brand name for replacement parts that you need! Replacement is a professional brand for autobody and lighting parts; it also carries electrical, brake, suspension, intake and exhaust, and cooling and heating products. All Replacement brands include 1-year, unlimited-mileage warranty.