Carry your rear right door glass up and down in its track with this Dorman window regulator, part number 740-678, a direct-fit replacement for the 1992-2011 Ford Crown Victoria, 1992-2011 Mercury Grand Marquis and 2003-2004 Mercury Marauder. It is a power window regulator sold as the regulator only. The window motor is not included.
- Built to match the original: Dorman engineers and tests this regulator to match the fit, function and performance of the stock window regulator on the listed vehicles.
- Quality assured: Dorman extensively tested it by cycling it thousands of times in an actual vehicle door.
- Reliable design: Engineered in the USA and backed by Dorman's long history of automotive aftermarket experience.
- Easy installation: Reverse-engineered to the original equipment shape and dimensions for a direct, seamless fit.
Signs that a window regulator may need replacing include a window that drops into the door, tilts or binds in its track, moves slowly, or grinds or clicks while the motor runs. The motor or switch can cause similar symptoms, so diagnose the fault first. If the regulator is the cause, this unit replaces it at the rear right position.
Interchange: 3553-1981R · 82-383E · 20-0372
35531981R · 82383E · 200372 · 11R58 · 81307 · RPFD018 · WLR4032 · 2W7Z5427008AA · 2W7Z5427008BA · 3W7Z5427008AA · 3W7Z5427008BA · 6W7Z5427008AA · F2AZ5427008A · F7AZ5427008AA · XW7Z5427008AA · F491701 · 53125 · WR40678
This part cross-references / interchanges with the following part numbers:
11R58, 81307, RPFD018, 3553-1981R, 82-383E, 82383E, WLR4032, 2W7Z5427008AA, 2W7Z5427008BA, 3W7Z5427008AA, 3W7Z5427008BA, 6W7Z5427008AA, F2AZ5427008A, F7AZ5427008AA, XW7Z5427008AA, F491701, 53125, WR40678, 20-0372
Frequently Asked Questions
What does a window regulator do?
It is the mechanism inside the door that guides the glass and moves it up and down in its track when the power window motor drives it.
Is the window motor included with Dorman 740-678?
No. This is a power window regulator sold as the regulator only, and the window motor is not included.
Is this the 1992-2011 Ford Crown Victoria window regulator for the rear right door?
Yes. It is cataloged for the rear right position on the 1992-2011 Ford Crown Victoria. It also fits the 1992-2011 Mercury Grand Marquis and the 2003-2004 Mercury Marauder.
What are signs of a failing window regulator?
Watch for a window that falls into the door, tilts in its track, moves slowly, or grinds or clicks while the motor runs. Diagnose the cause first, because a motor or switch fault can look similar.
How was this regulator tested?
Dorman extensively tested it by cycling it thousands of times in an actual vehicle door. It was reverse-engineered to the original equipment shape and dimensions for a direct fit.
