Cadillac XTS 2019 Owner's Manual page 300

Usage
Weatherstrip Conditioning
Windshield Washer
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
Engine Air Cleaner/Filter
3.6L (LF3)
3.6L (LFX)
Engine Oil Filter
3.6L (LF3)
3.6L (LFX)
Passenger Compartment Air Filter
Spark Plugs
3.6L (LF3)
3.6L (LFX)
Weatherstrip lubricant. See your dealer.
Automotive windshield washer fluid that meets regional freeze protection
requirements.
Part
SERVICE AND MAINTENANCE
Fluid/Lubricant
GM Part Number
22989313
20972655
19330000
19330000
13356914
12662396
12622561
299
ACDelco Part Number
A3180C
A3175C
PF63E
PF63E
CF184
41-147
41-109