Cadillac 2016 ATS Manual page 330

Spark Plugs
2.0L L4 Engine
2.5L L4 Engine
3.6L V6 Engine (LGX)
3.6L V6 Twin Turbo Engine (LF4)
Wiper Blades
Driver Side 55 cm (21.7 in)
Passenger Side 45 cm (17.7 in)
Part
Service and Maintenance
GM Part Number ACDelco Part Number
12647827
12627160
12646780
12662396
22905714
25882578
329
41-125
41-115
41-130
41-147