Replacement Intervals — 1981 Chrysler Imperial Service Manual ~ FixVault

Component	Interval (Miles)
Oil Filter (Every 2nd oil change)	15, 000
Air Filter	52, 500
PCV Filter (Clean & lubricate)	52, 500
Spark Plugs	30, 000

Oil Filter (Every 2nd oil change)

15, 000

Air Filter

52, 500

PCV Filter (Clean & lubricate)

52, 500

Spark Plugs

30, 000