CSF 3977
CSF part number 3977 is a radiator in the Cooling System system. This catalog matches it to 44 year-and-engine configurations from 2018 to 2026.
Verified fitment includes 2026 Chevrolet Colorado 2.7L L4 Turbocharged ; 2026 GMC Canyon 2.7L L4 Turbocharged ; 2025 Chevrolet Colorado 2.7L L4 Turbocharged ; 2025 Chevrolet Silverado 4500 HD 6.6L V8 DIESEL Turbocharged ; 2025 Chevrolet Silverado 5500 HD 6.6L V8 DIESEL Turbocharged , plus 39 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is CSF 3977?
CSF part number 3977 is a radiator with published application data for 44 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 3977 fit?
This catalog matches 3977 to 44 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 3977 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. CSF 3977 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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