GM GENUINE 85666315
GM GENUINE part number 85666315 is a coolant reservoir in the Cooling System system. This catalog matches it to 50 year-and-engine configurations from 2011 to 2026.
Verified fitment includes 2026 Chevrolet Express 3500 4.3L V6 ; 2026 Chevrolet Express 3500 6.6L V8 ; 2026 Chevrolet Express 4500 6.6L V8 ; 2026 GMC Savana 3500 4.3L V6 ; 2026 GMC Savana 3500 6.6L V8 , plus 45 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is GM GENUINE 85666315?
GM GENUINE part number 85666315 is a coolant reservoir with published application data for 50 vehicle configurations from 2011 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GM GENUINE 85666315 fit?
This catalog matches 85666315 to 50 year-and-engine configurations from 2011 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GM GENUINE 85666315 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GM GENUINE 85666315 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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