This part is specific to Toyota’s legendary "S" family of 4-cylinder engines from the 1990s.
Toyota Camry: 1992–1996 (2.2L 5S-FE Engine)
Toyota Celica: 1990–1993 (2.2L 5S-FE / 2.0L 3S-GE Engines)
Toyota MR2: 1991–1995 (Non-Turbo 2.2L 5S-FE Engine)
Chassis Codes: SXV10, ST184, SW21