Sierra Marine Parts Catalog

935 I/O — OMC STERNDRIVE/COBRA - O-Rings ENGINE YEAR O-RING DESC. QTY 90 - 235 1970-71 18-7158 DS 1 90 - 235 ➁ 1971 18-7123 BGR 1 100 - 260 1973-81 18-7401 BGR 1 100 - 260 1973-81 18-7400 TUC 1 120 ➂ 1967 18-7162 SL 1 120 - 210 1968 18-7162 SL 1 120/140 1981 18-7168 FS 3 155 ➃ 1967 18-7162 SL 1 2.5 - 5.7 1981-86 18-7400 TUC 1 2.5 - 5.7 1981-86 18-7198 COV 2 2.5 - 5.7 1981-86 18-7114 WR 1 2.5 - 5.7 1981-86 18-7401 BGR 1 2.5 - 5.7 1981-86 18-7162 SL 1 2.5 - 5.7 1982 18-7168 FS 3  UPPER GEARCASE  (Stringer) ➀ Rope or Pull-Pull Steering Models ➁ All 90/120, 155, 210 EX Models/235 XUFM20S prior to S/N 202880 and 235 XUFM20S prior to S/N 204600 ➂ CU, CUE 16C ➃ 120, 155, 215, 20D Models/235 XUFR20S S/N 202880 & up and 235 XUFM20S S/N 204600 & up 235 20D all Models COV Pivot Cap Cover Seal BGR Ball Gear Retainer Seal DS Driveshaft to Hsg. Seal TC Driveshaft Tube Cover Seal TH Driveshaft Tube to Hsg. FS Fill Screw Seal PS Pulley Shaft SL Sleeve to Hsg. Seal TUC Tilt Unit Cover Seal WT Water Tube Seal WR Worm Gear Retainer Seal  INTERMEDIATE HOUSING (Stringer) (Cont.) ENGINE YEAR O-RING DESC. QTY 80 - 90 1968-71 18-7158 BG 1 80 - 90 1964-68 18-7174 IH 1 80 - 245 ➀ 1964-72 18-7103 WG 1 80 - 245 ➀ 1964-74 18-7134 G 1 80 - 260 1964-81 18-7172 IH 1 80 - 260 1964-81 18-7121 BGR 1 80 - 260 1968-80 18-7173 WW 1 80 - 260 ➁ 1968-81 18-7107 WW 1 90 ➂ 1967 18-7107 WW 1 90 - 200 1964-67 18-7128 CAP 1 90 - 200 1965-67 18-7173 WW 2 90 - 245 ➃ 1967-72 18-7146 BG 1 100 - 245 1973-75 18-7114 WS 1 100 - 260 1973-81 18-7129 DS IH 1 110 - 120 ➄ 1964-67 18-7158 IH 1 110 - 120 ➅ 1964-67 18-7174 IH 1 120 - 200 ➆ 1967 18-7107 WW 1 120 - 235 1968-71 18-7158 IH 1 120 - 260 1975-81 18-7477 G 1 150 - 210 1964-67 18-7158 IH 1 2.5/3.0 1982 18-7168 OP 1 2.5 - 5.7 1981-86 18-7477 G 1 2.5 - 5.7 1981-86 18-7172 IH 1 2.5 - 5.7 1981-86 18-7107 WW 1 2.5 - 5.7 1981-86 18-7121 BGR 1 2.5 - 5.7 1981-86 18-7129 DS IH 1 ENGINE YEAR O-RING DESC. QTY ➀ Rope or Pull-Pull Steering Models ➁ 155 HP 1968 HU, HUE 16C ➂ DU, DUE 15S ➃ 90 HP '67 DU, DUE 15S/120 and 200 '67 16C Models ➄ Heavy Duty Drive ➅ Standard Gearcase ➆ 16C Models BG Ball Gear Seal BGR Ball Gear Retainer Seal DS IH Driveshaft Impeller Hsg. Seal IH Impeller Hsg. Seal CAP Gear Hsg. Cap Seal OP Oil Plug Seal WR Steering Worm Wheel Retainer Seal WS Steering Worm Wheel Spacer Seal WG Steering Worm Wheel Gear Seal WW Steering Worm Wheel Seal G Gear Seal  LOWER GEARCASE (Stringer)  UPPER GEARCASE (Stringer) (Cont.) 80 - 90 1964-69 18-7120 PBH S 4 80 - 90 1964-71 18-7152 PBH 1 80 - 90 1964-71 18-7115 BR 1 80 - 90 1964-71 18-7174 DS 1 88/90 1964-68 18-7173 DSB 2 90 - 245 1970-77 18-7120 PBH S 4 100 - 245 1968-72 18-7135 BR 1 100 - 245 1969-77 18-7167 PBH 1 110/120 ➁ 1964-67 18-7167 PBH 1 110/120 ➀ 1964-67 18-7174 DS 1 110/120 ➁ 1964-67 18-7135 BR 1 110/120 ➀ 1964-67 18-7152 PBH 1 110/120 ➀ 1964-67 18-7173 DSB 2 110/120 ➀ 1964-67 18-7115 BR 1 120 ➀ 1964-67 18-7120 PBH S 4 120/140 1978-81 18-7127 PBH 1 120/140 1978 18-7156 SA,L 2 120 - 235 1977 18-7129 DS 1 120 - 240 1978 18-7178 SA,S 1 120 - 260 1978-81 18-7130 BR 1 120 - 260 1978-81 18-7102 PIN 1 120 - 260 1978-81 18-7109 PBH S 4 120 - 260 1978-81 18-7404 PIN 1 120 - 260 1979-81 18-7120 BSS 1 120 - 260 1981 18-7168 D&F S 1 150 - 200 1964-67 18-7135 BR 1 150 - 210 1964-68 18-7167 PBH 1 185 - 240 1978 18-7403 SA,L 2 185 - 260 1978-81 18-7142 PBH 1 2.5 - 5.7 1981-82 18-7168 D&F S 1 2.5 - 5.7 1981-83 18-7109 PBH S 4 2.5 - 5.7 1981-86 18-7130 BR 1 2.5 - 5.7 1981-86 18-7102 PIN 1 2.5 - 5.7 1981-86 18-7404 PIN 1 2.5 - 5.7 1981-86 18-7120 BSS 1 2.5 - 5.7 1981-86 18-7142 PBH 1 2.5/3.0 1982-86 18-7127 PBH 1 3.8 1981 18-7101 OSV 1 ➀ Standard Drive ➁ Heavy Duty Drive OSV Oil Stem Valve Seal PIN Pinion Shaft Seal BR Driveshaft Bearing Retainer Seal DS Driveshaft Seal PBH Prop Bearing Hsg. Seal DSB Driveshaft Bushing Seal PBH S Prop Bearing Hsg. Screw Seal D&F S Drain & Fill Screw Seal SA,L Shift Assy., Large Seal SA,S Shift Assy., Small Seal BSS Bearing Set Screw Seal