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Crush Washers for F&R Axles

Posted: Fri Jun 02, 2023 12:30 pm
by Rdinatal
What is the consensus on oil drain crush washers? The ones I have are about worn out. No 'crush left to them.

Any substitutes?

Re: Crush Washers for F&R Axles, Transmission, Transfer Case

Posted: Fri Jun 02, 2023 2:11 pm
by Elwood
Mil-spec copper/asbestos (or whatever the modern substitute is for asbestos...) MS35769-18 (7/8" ID).

Available from places like skygeek.com, etc.

Skygeek MS35769-18.jpg
Skygeek MS35769-18.jpg (237.29 KiB) Viewed 2656 times

Re: Crush Washers for F&R Axles, Transmission, Transfer Case

Posted: Fri Jun 02, 2023 2:13 pm
by NAM VET
get rubber gasket metal sealing washers, they come in all sorts of sizes, I use them here and there on my truck. Pegasus Auto Racing. Hal

Re: Crush Washers for F&R Axles, Transmission, Transfer Case

Posted: Sat Jun 03, 2023 6:28 am
by just me
My Ace Hardware has them. Any auto supply will have them. I anneal them at each oil change until they are too deformed. Then use a new one.

Re: Crush Washers for F&R Axles

Posted: Wed Oct 11, 2023 4:14 am
by Rdinatal
I tried O Rings. Even though they work the trust isn't there when it comes to holding. The rubber shifts/compresses too easily.

Elwood's reference to those on skygeek.com... Those definitely are 'special'.

I found these and they work great. Able to tighten and stay, malable enough to seal great, and affordable.
M22 Flat Washer Copper Sealing... https://www.amazon.com/dp/B09H4GDD14?re ... b_ap_share

Re: Crush Washers for F&R Axles

Posted: Thu Oct 12, 2023 9:07 am
by John Mc
The metric washers fit OK?

Re: Crush Washers for F&R Axles

Posted: Thu Oct 12, 2023 9:23 am
by Rdinatal
John Mc wrote: Thu Oct 12, 2023 9:07 am The metric washers fit OK?
That size fits perfectly.