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Automann · Hardware & Fasteners
MUBW164
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This is a heavy-duty hardened flat washer designed for 5/8-inch U-bolts commonly used in truck and trailer leaf spring suspensions.
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Fits any 5/8" U-bolt application. Verify the inside diameter, outside diameter, and thickness match your specific installation.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
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It sits under the U-bolt nut to spread the clamping force and prevent the nut from digging into the mounting surface. Replace these washers whenever they are rusted, distorted, or during any suspension rebuild to maintain proper torque and safe axle retention.
Part Number: MUBW164
WASHER HARD
Vendor: Automann
Dealer: Post Onsite
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