Your search for "sfdz122n11-2" revealed the following:
10 x M3D / MK3D / MK5 Replacement Pitch Control Slider / Variable Resistor "SFDZ122N11-3"
$339.95 USD10 x SFDZ122N11-3 SL-1200 / SL-1210 M3D / MK3D / MK5 Pitch Control Note For 10/29/30 Replaces Technics Part...
MK2 Pitch Control Slider - Variable Resistor - SFDZ122N11 / SFDZ122N11-1
$125.00 USDAuthentic Technics 1200 / 1210 MK2 Pitch Control Technics Part # SFDZ122N11 or Technics Part # SFDZ122N11-1 Will Fit Technics 1200...