Position: Intake Manifold To Heater. 1993 Isuzu Stylus. 1991 Isuzu Stylus VIN: 6. 1992 Isuzu Stylus 1.6L 4 Cyl. Notes: Small I.D. Heater Hose. WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.