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Are those little things sufficeint enought to keep water out my diffs if ran through mud/ water. Inoticed I dont have tubes like on a chevy. I have an 89 toyota pickup.
No, you need to extend them. If you cannot find the barbs listed below you can use a 1/8" NPT brass barb. The threads are almost the same and the brass is soft enough that the steel housing will cut threads. I screw then in first cutting the threads, then pull them back out and wrap the threads with Teflon tape.

David Fritzsche
1990 Ex-Cab V-6,5-speed, with a few mods
04.5 CTD Dodge 2500 Ram--Tow Rig
Roseville, CA

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