CSF 3978
CSF part number 3978 is a radiator in the Cooling System system. This catalog matches it to 80 year-and-engine configurations from 1983 to 2026.
Verified fitment includes 2026 Chevrolet Silverado 1500 3.0L L6 DIESEL Turbocharged ; 2026 Chevrolet Suburban 3.0L L6 DIESEL Turbocharged ; 2026 GMC Sierra 1500 3.0L L6 DIESEL Turbocharged ; 2025 Cadillac Escalade 6.2L V8 Supercharged ; 2025 Chevrolet Silverado 1500 3.0L L6 DIESEL Turbocharged , plus 75 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is CSF 3978?
CSF part number 3978 is a radiator with published application data for 80 vehicle configurations from 1983 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does CSF 3978 fit?
This catalog matches 3978 to 80 year-and-engine configurations from 1983 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is CSF 3978 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. CSF 3978 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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