CSF 3866
CSF part number 3866 is a radiator in the Cooling System system. This catalog matches it to 19 year-and-engine configurations from 2018 to 2026.
Verified fitment includes 2026 Chevrolet Equinox 1.5L L4 Turbocharged ; 2026 GMC Terrain 1.5L L4 Turbocharged ; 2025 Chevrolet Equinox 1.5L L4 Turbocharged ; 2025 GMC Terrain 1.5L L4 Turbocharged ; 2024 Chevrolet Equinox 1.5L L4 Turbocharged , plus 14 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is CSF 3866?
CSF part number 3866 is a radiator with published application data for 19 vehicle configurations from 2018 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does CSF 3866 fit?
This catalog matches 3866 to 19 year-and-engine configurations from 2018 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is CSF 3866 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. CSF 3866 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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