IGNITION LOCK "SL" NUMBERS

Most Mazda steering column ignitiion locks have a number embossed in the outside of the casting. The following table lists some of the popular "SL" numbers with the cylinder assembly to use for each.

SL-3 Use C-20-102 cylinder assembly
SL-6 Use C-20-106 cylinder assembly
SL-7 Use C-20-107 cylinder assembly
SL-9 Use C-20-108 plug and repair kit
SL-10 Use C-20-108 plug and repair kit
SL-13 Use C-20-311 plug
SL14 Use C-20-311 plug
SL-15 Use C-20-311 plug
SL-18 Use C-20-311 plug
SL-19 Use C-20-311 plug
SL-20 Use C-20-311 plug
SL-28 These use several different cylinder assemblies. Most common is C-20-110 (No push type)
Push Type found on some manual transmission cars use C-20-109

SL 28 with sidebar locks use complete steering column locks as :-
Manual Transmission - MZ25 type key - use C-20-225 complete assembly
Automatic Transmission - MZ25 type key - use C-20-226 complete assembly
Manual Transmission - MZ31type key - use C-20-227 complete assembly
Automatic Transmission - MZ31 type key - use C-20-228 complete assembly