ACDELCO R45S
ACDELCO part number R45S is a spark plug in the Ignition system. This catalog matches it to 23 year-and-engine configurations from 1954 to 1970.
Verified fitment includes 1970 Checker Marathon 5.7L 350cid V8 ; 1969 Checker Aerobus 5.7L 350cid V8 ; 1969 Checker Deluxe 5.3L 327cid V8 ; 1969 Checker Marathon 5.7L 350cid V8 ; 1965 Checker Aerobus 5.2L 318cid V8 , plus 18 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is ACDELCO R45S?
ACDELCO part number R45S is a spark plug with published application data for 23 vehicle configurations from 1954 to 1970. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does ACDELCO R45S fit?
This catalog matches R45S to 23 year-and-engine configurations from 1954 to 1970. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is ACDELCO R45S OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. ACDELCO R45S 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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