Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Euclid · Hardware & Fasteners
E4961A
In stock · ships from Knoxville
This is a 3/4"-16 thread back nut (also called a lock nut) commonly used in heavy-duty truck and trailer wheel-end and suspension systems.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
This back nut fits specific heavy-duty axle and suspension setups; verify thread size and fit on your application.
Part data verified against 3 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is made from heat-treated Grade C steel and features a 1 1/8 inch hex size and 5/8 inch height. The nut is typically replaced when servicing wheels, hubs, or suspension components to maintain proper clamping force and prevent loosening. It is a direct fit for several Hendrickson suspension models and crosses with many original equipment numbers.
Part Number: E4961A
BACK NUT
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
