Sierra Marine Parts Catalog

892 5" 18-70021 MOLDED HOSE 3 / 4 " ID 18-70704 MOLDED HOSE 1 1 / 4 " ID 18-70924 MOLDED HOSE 1 3 / 4 " ID Thermostat Model Years Thermostat Kit Thermostat Model Years Thermostat Kit 18-71218 MOLDED HOSE 1" ID 18-71337 MOLDED HOSE 1 3 / 4 " ID STRAIGHT HOSE 18-75100 MOLDED HOSE Straight 48" 1" ID 18-75125 MOLDED HOSE Straight 48" 1 1 / 4 " ID 90 1970 18-3554 18-3653 100 1972-73 18-3554 18-3653 120 1969-80 18-3554 18-3653 ➀ 120 1980-81 18-3558 18-3670 ➁ 140 1973-80 18-3554 18-3653 ➀ 140 1980-81 18-3558 18-3670 ➁ 155 1969-72 18-3554 18-3653 165 1972-76 18-3554 18-3653 170 1974 18-3554 18-3653 175 1975-77 18-3554 18-3653 185 1978-80 18-3554 18-3653 190 1974-77 18-3554 18-3653 200 1979-81 18-3554 18-3653 210 1969-72 18-3554 18-3653 215 1971 18-3554 18-3653 225 1971 18-3554 18-3653 230 1979-81 18-3554 18-3653 235 1971 18-3554 18-3653 235 1975-77 18-3554 18-3653 240 1978 18-3554 18-3653 245 1972-75 18-3554 18-3653 250 1970-73 18-3554 18-3653 250 1979 18-3554 18-3653 260 1979-81 18-3554 18-3653 262 1989 18-3554 — 305 1977-82 18-3554 18-3653 350 1977-82 18-3554 18-3653 350 1989 18-3554 — 351 1992 18-3554 — 454 1977-82 18-3554 18-3653 460 1989 18-3554 — 2.5L 1982-88 18-3558 18-3670 3.0L 1982-88 18-3558 18-3670 3.8L 1981-85 18-3554 18-3653 4.3L 1985-86 18-3554 18-3653 4.3L 1989-92 18-3554 — 5.0L 1982-88 18-3554 18-3653 5.0L 1989-92 18-3554 — 5.7L 1982-88 18-3554 18-3653 5.7L 1989 18-3554 — 5.8L 1989-92 18-3554 — 7.5L 1988 18-3554 18-3653   ➀  1980 Models with "C" suffix only    ➁  1980 Models with "C1" suffix only ➀ Items ending in "D" are Display Packaged - Regular number is Non-Display 18-3670 THERMOSTAT KIT Fits: 2.5L & 3.0L (1982-88) — CONTAINS — Part # O.E.# Desc. 18-3558 982554 Thermostat 18-2858 314809 Thermostat Housing Cover Gasket 18-0929 313416 Thermostat Gasket 18-3676 THERMOSTAT KIT 140 ° For: 7.4L (1994-98), 8.2L (1998) — CONTAINS — Part # O.E.# Desc. 18-7170 3852071 O-Ring 18-0398 3852111 Thermostat Gasket — 3853983 Thermostat 18-3677 THERMOSTAT KIT 160 ° — CONTAINS — Part # O.E.# Desc. 18-7170 3852071 O-Ring 18-0398 3852111 Thermostat Gasket — 3856961 Thermostat HP Year HP Year 4.3L 1994-97 5.8L 1994-97 4.3 HO 1991-97 5.8 (EFI) 1993-97 5.0 L 1994-97 ➀ 18-3670D ➀ 18-3676D ➀ 18-3677D SINGLE DIAMETER HOSE 4 3 / 4 " 12 3 / 4 " 12 1 / 2 " 5" THERMOSTAT AND THERMOSTAT KIT APPLICATION I/O — OMC STERNDRIVE/COBRA - Cooling System