Dorman - Autograde Wheel Lug Stud P/N:610-390.1
Help keep a rear wheel clamped firmly to its hub with this Dorman wheel lug stud, part number 610-138 from the Dorman - Autograde line. It fits many vehicles as a direct-fit replacement for the listed applications, among them the 1971-1985 Chevrolet Impala, 1975-1984 GMC Jimmy and 1985-2002 Chevrolet Astro. See the Buyer's Guide tab for the full list.
This 1/2-20 serrated rear wheel stud has a .535 in. knurl and a 1-17/32 in. length. It is made of carbon steel and tested against demanding automotive industry standards for strength, longevity and safety.
A stud with stripped or damaged threads, a bent or broken shank, or a knurl that spins in the flange may need replacing. When installing, follow the vehicle service information and tighten the lug nuts to the specified torque.
Interchange: 560-138
560138 · 6008 · B142069 · B142069CVS · 1235137 · 388973 · 401813 · 417662 · 6845 · 97076 · 8973B · RB8973B · BD61269 · BD61483
This part cross-references / interchanges with the following part numbers:
What does the Dorman 610-138 wheel lug stud do?
It is a rear wheel stud that the lug nut threads onto to clamp the wheel against the hub. Its serrated knurl grips the flange so the stud holds in place.
What are the specifications of this lug stud?
It has a 1/2-20 thread, a .535 in. serrated knurl and a 1-17/32 in. length. It is made of carbon steel that meets SAE standards for strength and hardness.
Will this rear wheel stud fit my 1971-1985 Chevrolet Impala?
Yes, the 1971-1985 Chevrolet Impala is a listed application, as are the 1975-1984 GMC Jimmy and 1985-2002 Chevrolet Astro. Check the Buyer's Guide tab for your vehicle.
What are signs a wheel lug stud may need replacing?
Stripped or damaged threads, a bent, cracked or broken stud, or a stud that spins in the flange so the lug nut will not tighten are common signs it may need replacing.
How is this serrated wheel stud installed?
The serrated knurl is pressed into the flange that carries the wheel studs. The procedure varies by vehicle, so follow the service information and tighten the lug nuts to the specified torque.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.