Chevrolet Silverado 1500 2021 Owner's Manual page 421

420 Service and Maintenance
Oil Filter
I2.7L L4
I4.3L V6
I5.3L V8
I6.2L V8
Passenger Compartment Air Filter
Spark Plugs
I2.7L L4
I4.3L V6
I5.3L V8
I6.2L V8
Part GM Part Number
55495105
12690385
12690385
12690385
13508023
12688094
12622441
12622441
12622441
ACDelco Part Number
PF66
PF63E
PF63E
PF63E
CF185
41-106-IP
41-114
41-114
41-114