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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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Old Feb 2, 2021 | 05:29 PM
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79 rear sliding window

Can someone tell me if this is a factory window? The rubber was shot and I didn’t want to waste money on a new weather stripping if it’s not going to fit.

 
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Old Feb 2, 2021 | 06:47 PM
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The Ford ones have a plastic latch whereas aftermarket ones tend to have aluminum ones. I can’t tell from the pictures which one yours is.
 
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Old Feb 2, 2021 | 07:24 PM
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There aluminum, do you know if a weather seal from lmc,npd would work on an aftermarket window?
 
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Old Feb 2, 2021 | 08:04 PM
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Are the locking devices the small vertical pieces (spring loaded and squeezed to unlock) on the outer edge of each slider piece? I believe that the OEM slider has a latch in the middle locking both sliders pieces to each other. And if that is the case then NO that is not a factory slider. #40806 is the lock together latch.



 
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Old Feb 2, 2021 | 08:14 PM
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Yeah it has two separate ones. So I guess it’s unusable if I don’t have a weather stripping. Thanks for the replies
 
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Old Feb 2, 2021 | 08:30 PM
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Well it might work if you can get a standard seal to fit it. Try Steele Rubber products. https://www.steelerubber.com/automotive

 
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Old Feb 2, 2021 | 08:45 PM
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Geez, looked up steel rubber and there $162.
 
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Old Feb 2, 2021 | 08:47 PM
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I might be off base here, but I've never heard of a replacement slider that did not use the same seal as the factory window. And it would make sense for the sellers of windows to simply use the same seal design anyway.

Your option is to buy a new seal and try it. Then, if it works, great and you've answered your question. If it does not, and you have no idea how to source a correct seal (assuming they even still exist after all this time) then you just use your new seal with the new rear window you need to buy anyway.

Paul
 
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Old Feb 2, 2021 | 08:58 PM
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Your right, thanks Paul.
Eric
 
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Old Feb 2, 2021 | 09:51 PM
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A seal from LMC would be my last resort, Npd, Dennis Carpenter, JBG have better reputation for quality and fit. “The bitterness of poor quality lingers long after the sweetness of low price is forgotten.”

Paul is making a good point in both directions.
 
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Old Feb 2, 2021 | 10:02 PM
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I just totally redone my 76 F250 Camper Special rear slider. Get you a rear window gasket from Dennis Carpenter. . Mine still latches with the OEM plastic latch at the center of thr two sliders. Played hell finding the slider window channel bet the perseverence payed off . DC makes real quality stuff
 
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Old Feb 3, 2021 | 08:21 AM
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I have that sliding window in my 79 F150. It uses the standard window gasket, nothing special. That slider is the highest quality window I've come across. Not a single problem with mine in 35+ years.
 
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Old Feb 3, 2021 | 01:23 PM
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I believe only OEM Ford rear sliders are arched across the top edge to match the body window opening on the truck.
Aftermarket rear sliders are straight across and leave a visible gap between window and body opening.
Thanks
tbruz
 
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Old Feb 3, 2021 | 03:17 PM
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Thanks for all the info, I’m going to get a gasket from DC
 
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