Nismo Thermostat (62*C) Product Model - NIS-21200-RS520 Genuine Nissan Motorsports International Thermostat. This thermostat opens at a lower temperature (62*C) than a stock unit. NOTE: Fits - 1991-1998 Nissan 180SX (RPS13), 1995-1998 Nissan 200SX, 1989-1998 Nissan 240SX (KA or SR), 1993-2001 Nissan Altima, 1998-2004 Nissan Frontier (2.4L), 1991-1993 Nissan NX, 1991-1994 Nissan Sentra (2.0), 1998-2001 Nissan Sentra (2.0L), 1991-1994 Nissan Silvia (PS13), 1995-1998 Nissan Silvia (PS14), 2000-2004 Nissan Xterra (2.4L)