Starter Motor, Gear Reduction High Torque Unit. This is an upgraded part, that looks different than the original Lucas units! On some V12's, it req's minor modifications to the wire ends/terminals (See Red Arrow). Comes with a necessary adaptor mounting plate. FITS 1972-1974 XKE EV12 5.3, 1973-1987 XJ12 5.3 V12, 1993-1997 XJ12 6.0 V12 & 1975-1996 XJS 5.3 6.0 V12. NLA S2802 S3113 S4528 26381 26908 JLM1521 DAC3269 DAC4334 8511 8511V12 (DBC6924)