SR-SD
DELCO 12 VOLT - 4 TERMINAL
Used on Delco PMGR and SD
Starters: 9000719, 9000735

SR-53
FORD 12 VOLT - 3 TERMINAL
Used on Ford PMGR Starters
E9OF-11000-AA, -BA;
E9OY-11002-A, -B; E9SF-11000-AA, -BA;
E9SZ-11002-A, -B; SA-769, -A, SA-771, -A
Replaces: E9Oz-11390-A, -B; SW-2188, SW-2207