I recently went through the process of upgrading my wheel studs on my '05 Taco, and thought I would share with you all what I have found and what I did to upgrade my wheel studs.




_________________________________________________
Tacoma Front Wheel Studs specifications, PN 610-266.1::

Type: Serrated Stud
Thread: M12-1.5
Knurl Dia: 14.20mm (0.559inch)
Length: 40mm (1.575inch)
Shoulder Length: 8mm (.315inch)
Head Code: n/a
Brand: Dorman - Autograde - Bagged, ~ $2.00 online
_________________________________________________
Tacoma Rear Wheel Studs specification, PN 610-462.1:

Type: Serrated Stud
Thread: M12-1.5
Knurl Dia: 14.20mm (0.559inch)
Length: 44.10mm (1.736inch)
Shoulder Length: 17.02mm (0.670inch)
Head Code: n/a
Brand: Dorman - AutoGrade - Bagged, ~ $3.00 online
_________________________________________________

After lots of research, what I ended up using:
Dorman REAR wheel stud for 2002-03 Matrix, PN # 610-463:

Type: Serrated Stud
Thread: M12-1.5
Knurl Dia: 14.20mm (0.559inch)
Length: 55mm (2.165inch)
Shoulder Length: 26.60mm (1.05inch)
Head Code: n/a
Brand: Dorman - AutoGrade - Bagged, ~ $3.30 at NAPA
NOTE: NAPA PN# is different, if you get them from NAPA, use PN# 641-4208


For the full write up with lots of pictures click on the Taco picture below to see the page on my site: