ACDELCO 12R03
ACDELCO part number 12R03 is a coolant reservoir cap in the Cooling System system. This catalog matches it to 18 year-and-engine configurations from 2000 to 2003.
Verified fitment includes 2003 Jaguar X-Type 2.5L V6 ; 2003 Jaguar XK8 4.2L V8 ; 2002 Jaguar Vanden Plas 4.0L V8 ; 2002 Jaguar Vanden Plas 4.0L V8 Supercharged ; 2002 Jaguar X-Type 2.5L V6 , plus 13 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is ACDELCO 12R03?
ACDELCO part number 12R03 is a coolant reservoir cap with published application data for 18 vehicle configurations from 2000 to 2003. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does ACDELCO 12R03 fit?
This catalog matches 12R03 to 18 year-and-engine configurations from 2000 to 2003. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is ACDELCO 12R03 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. ACDELCO 12R03 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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