CSF 3937
CSF part number 3937 is a radiator in the Cooling System system. This catalog matches it to 31 year-and-engine configurations from 2016 to 2026.
Verified fitment includes 2026 Ram 2500 6.7L L6 DIESEL Turbocharged ; 2026 Ram 3500 6.7L L6 DIESEL Turbocharged ; 2026 Ram 4500 6.7L L6 DIESEL Turbocharged ; 2026 Ram 5500 6.7L L6 DIESEL Turbocharged ; 2025 Ram 2500 6.7L L6 DIESEL Turbocharged , plus 26 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is CSF 3937?
CSF part number 3937 is a radiator with published application data for 31 vehicle configurations from 2016 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does CSF 3937 fit?
This catalog matches 3937 to 31 year-and-engine configurations from 2016 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is CSF 3937 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. CSF 3937 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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