CSF 3644
CSF part number 3644 is a radiator in the Cooling System system. This catalog matches it to 41 year-and-engine configurations from 1935 to 2025.
Verified fitment includes 2025 Honda Passport 3.5L V6 ; 2025 Honda Ridgeline 3.5L V6 ; 2024 Honda Passport 3.5L V6 ; 2024 Honda Ridgeline 3.5L V6 ; 2023 Honda Passport 3.5L V6 , plus 36 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is CSF 3644?
CSF part number 3644 is a radiator with published application data for 41 vehicle configurations from 1935 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does CSF 3644 fit?
This catalog matches 3644 to 41 year-and-engine configurations from 1935 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is CSF 3644 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. CSF 3644 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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