Welch Plugs
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Welch plugs don’t get much attention until they’re missing — and then you notice immediately. These small pressed-in plugs seal the bearing cap bores on yokes and other driveshaft components, keeping grease in and road contamination out. A yoke with a missing or improperly installed welch plug allows dirt, water, and debris direct access to the bearing surfaces, accelerating wear and corrosion in a way that shortens the entire assembly’s service life. We stock welch plugs in the sizes used across common driveshaft yoke applications — inexpensive, easy to install with the right driver, and one of those items worth keeping on the shelf so a missing plug never becomes a reason to delay finishing a build.
