Transmission O-Ring - Secondary Oil Pump for 500SEL (1984-1985), 560SEC (1986-1991), 560SEL (1986-1991), 560SL (1986-1989), 380SL (1981-1985), 380SLC (1981), 400E (1992-1993), 420SEL (1986-1991), 500E (1992-1993), 500SEC (1984-1985), 300TD (1981-1987), 300TE (1988-1993), 350SD (1991), 350SDL (1990-1991), 380SE (1984-1985), 380SEC (1982-1983), 380SEL (1981-1983), 300SD (1981-1984), 300SDL (1986-1987), 300SE (1988-1991), 300SEL (1988-1991), 300D (1982-1987), 300E (1986-1993), 300CD (1982-1985), 300CE (1988-1993), E320 (1994-1996), E420 (1994-1995), E500 (1994)