DORMAN 645668

DORMAN part number 645668 is a fuel pump / circuit opening relay connector in the Electrical-Connector system. This catalog matches it to 60 year-and-engine configurations from 1997 to 2011.

Verified fitment includes 2011 Buick Lucerne 4.6L V8 ; 2011 Cadillac CTS 3.6L V6 ; 2010 Buick Lucerne 3.9L V6 ; 2010 Buick Lucerne 4.6L V8 ; 2010 Cadillac CTS 6.2L V8 Supercharged , plus 55 other configurations. See every vehicle this part fits.

Manufacturer specifications
Black
4 WireFuel Pump MotorSquare TypeFuel Pump Harness Connector
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is DORMAN 645668?

DORMAN part number 645668 is a fuel pump / circuit opening relay connector with published application data for 60 vehicle configurations from 1997 to 2011. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does DORMAN 645668 fit?

This catalog matches 645668 to 60 year-and-engine configurations from 1997 to 2011. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is DORMAN 645668 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. DORMAN 645668 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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