2003 Cadillac CTS Oil Change Parts
64 parts verified to fit your 2003 Cadillac CTS for a complete oil change. This is an easy DIY project — estimated 30 minutes.
Motor Oil
(8)primary

Gates
Engine Oil Filler Cap
$31.13

Rostra
Engine Oil Pressure Switch
$7.31

Sealed Power
Engine Oil Pump Screen
$84.76

GPD
gpd Engine Oil Pressure Switch
$5.76
LIQUI MOLY
LIQUI MOLY 1L 2600 Central Hydraulic System Oil
$107.85
LIQUI MOLY
LIQUI MOLY 1L Brake Fluid DOT 4
$66.14
LIQUI MOLY
LIQUI MOLY 1L Brake Fluid SL6 DOT 4
$65.86
LIQUI MOLY
LIQUI MOLY 1L Fully Synthetic Hypoid Gear Oil (GL5) LS SAE 75W140
$204.10
Oil & Air Filters
(8)companion

Bosch
Activated Charcoal Cabin Air Filter
$16.73


ATP
ATP Carbon Activated Premium Cabin Air Filter
$29.91


ATP
ATP Replacement Cabin Air Filter
$15.49

Pronto
Engine Air Filter
$21.01

Fel-Pro
Fel-Pro Chevrolet Silverado 1500 Engine Oil Filler Cap Seal
$3.45

K&N
K&N 04-14 Cadillac CTS 3.6L Cabin Air Filter
$52.99

K&N
K&N 92-95 Chevy Cavalier 2.2L / 3.1L Fuel Filter
$19.99

K&N
K&N Round Tapered Universal Air Filter 6in Flange ID x 7.5in Base OD x 4.5in Top OD x 6in H
$78.99
Oil Change for Other Cadillac CTS Years
Other Jobs for Your 2003 Cadillac CTS
Frequently Asked Questions
What parts do I need for a oil change on my 2003 Cadillac CTS?
A complete oil change on the 2003 Cadillac CTS typically requires motor oil, oil & air filters. All parts shown on this page are verified to fit your specific vehicle.
How long does a oil change take on a 2003 Cadillac CTS?
A oil change typically takes 30 minutes and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a oil change myself?
Yes! A oil change is an easy DIY project that most people can do with basic hand tools. It's a great way to save money on labor costs.
Are these parts guaranteed to fit my 2003 Cadillac CTS?
Yes, all parts on this page are verified to fit the 2003 Cadillac CTS using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make oil change parts for the 2003 Cadillac CTS?
We carry oil change parts from trusted brands including Gates, Rostra, Sealed Power, GPD, and LIQUI MOLY. Filter by brand to find your preferred manufacturer.
How much does a oil change cost for a 2003 Cadillac CTS?
The cost of a oil change for the 2003 Cadillac CTS depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.
