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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jun 2014 Posts: 106 Shop Shark | | Shop Shark Joined: Jun 2014 Posts: 106 | I need a new gasket for the rear differential.
If I am reading things correctly, it looks like the differential cover gasket was used up into the 60s.
No one has anything in stock nearby and I don't want to order one only to have it be wrong.
It looks like I need FelPro gasket #RDS5088.
Can anyone confirm this part number or provide the correct one?
Thanks,
Justin | | | | | Joined: Dec 2008 Posts: 901 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 901 | I have an extra Fel-Pro rear axle housing set. (only comes with one gasket). Part # RDS 4304 (says it replaces part #3731305). For my 55.2 3100 truck. Says it fits: Chevrolet 6 1935-1936. Pontiac 6 1935-1936. Chevrolet truck 1/2,3/4,1 ton 1937-1963. GMC truck 1/2 ton 1939-1966. Here's a picture. http://autoplicity.com/1653923-fel-...7Kcn18Dx06w7d7cOBsxBoNih7LhiUhoCA6vw_wcBHope this helps.
Brian
1955.2 3100 Truck
The older I get the more dangerous I am!!!!! | | | | | Joined: Jun 2014 Posts: 106 Shop Shark | | Shop Shark Joined: Jun 2014 Posts: 106 | Thanks Shaker,
I believe that is the gasket for the front of the rear housing. Does that sound correct?
I am looking for the gasket on the back side of the housing under the rear cover. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Most of us use RTV for that these days. | | | | | Joined: Dec 2008 Posts: 901 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 901 | Justin, I used it as a cover gasket. I really don't know if it's for the pumpkin, or the rear cover.
Brian
1955.2 3100 Truck
The older I get the more dangerous I am!!!!! | | | | | Joined: Jun 2014 Posts: 106 Shop Shark | | Shop Shark Joined: Jun 2014 Posts: 106 | Brian,
After comparing it to the picture of mine it does look correct.
Thanks for the help.
You said,
"Says it fits:
Chevrolet 6 1935-1936.
Pontiac 6 1935-1936.
Chevrolet truck 1/2,3/4,1 ton 1937-1963.
GMC truck 1/2 ton 1939-1966."
What is your source for this information? | | | | | Joined: Dec 2008 Posts: 901 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 901 | Brian,
After comparing it to the picture of mine it does look correct.
Thanks for the help.
You said,
"Says it fits:
Chevrolet 6 1935-1936.
Pontiac 6 1935-1936.
Chevrolet truck 1/2,3/4,1 ton 1937-1963.
GMC truck 1/2 ton 1939-1966."
What is your source for this information? Justin, the information, came from the back of the package the gasket came in that I have here in my hand. I just e/mailed you a picture, of the package.
Brian
1955.2 3100 Truck
The older I get the more dangerous I am!!!!! | | | | | Joined: Jun 2014 Posts: 106 Shop Shark | | Shop Shark Joined: Jun 2014 Posts: 106 | Brian,
Thank you for the picture. Amazing that even on the Fel-Pro site they don't list that part as being applicable to the '37 1/2T.
I appreciate the information immensely. Almost got Ol' Clyde back on the road! | | |
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