DORMAN 645550
DORMAN part number 645550 is a side marker lamp socket in the Electrical-Bulb & Socket system. This catalog matches it to 28 year-and-engine configurations from 2019 to 2025.
Verified fitment includes 2025 Ford E-350 7.3L V8 ; 2025 Ford E-450 7.3L V8 ; 2025 Ford Transit 150 3.5L V6 ; 2025 Ford Transit 150 3.5L V6 Turbocharged ; 2025 Ford Transit 250 3.5L V6 , plus 23 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is DORMAN 645550?
DORMAN part number 645550 is a side marker lamp socket with published application data for 28 vehicle configurations from 2019 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does DORMAN 645550 fit?
This catalog matches 645550 to 28 year-and-engine configurations from 2019 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is DORMAN 645550 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. DORMAN 645550 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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