Photo 1 of NAYAMOL 19302359 19301328 NOx Sensor Inlet Compatible with Chevrolet Express 2500 3500 4500, Silverado 2500/3500 HD, GMC Sierra 2500/3500 HD, Savana 2500 3500 4500,6.6L Replaces# 12648630, 5WK96631H

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Photo 1 of NAYAMOL 19302359 19301328 NOx Sensor Inlet Compatible with Chevrolet Express 2500 3500 4500, Silverado 2500/3500 HD, GMC Sierra 2500/3500 HD, Savana 2500 3500 4500,6.6L Replaces# 12648630, 5WK96631HPhoto 2 of NAYAMOL 19302359 19301328 NOx Sensor Inlet Compatible with Chevrolet Express 2500 3500 4500, Silverado 2500/3500 HD, GMC Sierra 2500/3500 HD, Savana 2500 3500 4500,6.6L Replaces# 12648630, 5WK96631H