Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 1 Quart, 149D6C
In stock
$10.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Cadillac CTS Motor Oil
8 products listed as compatible with this vehicle by the retailer feed.
Back to 2003 Cadillac CTS parts
Castrol GTX 10W-30 Premium Conventional Motor Oil, 1 Quart, 15B400
In stock
$10.99
Listed as compatible with this vehicle by the retailer feed.
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Castrol EDGE High Mileage 10W-30 Advanced Full Synthetic Motor Oil,1 Quart, 15979B
In stock
$13.99
Listed as compatible with this vehicle by the retailer feed.
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Castrol EDGE 10W-30 Advanced Full Synthetic motor oil, 1 Quart, 152E4E
In stock
$13.99
Listed as compatible with this vehicle by the retailer feed.
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Castrol GTX 10W-30 Premium Conventional Motor Oil, 5 Quarts, 15B7AA
In stock
$35.99
Listed as compatible with this vehicle by the retailer feed.
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Castrol EDGE 10W-30 Advanced Full Synthetic motor oil, 5 Quarts, 1598B6
In stock
$44.99
Listed as compatible with this vehicle by the retailer feed.
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Castrol EDGE High Mileage 10W-30 Advanced Full Synthetic Motor Oil, 5 Quarts, 15906F
In stock
$44.99
Listed as compatible with this vehicle by the retailer feed.
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Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts, 1597B0
Out of stock
$29.99$14.95Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.