Sierra Marine Parts Catalog

800 I/O — MERCRUISER - Internal Engine System 18-0518 VALVE STEM SEAL Replaces: 26-34217, 26-72564, 26-58094, 26-75413, 26-75624 18-4023 VALVE STEM SEAL Replaces: 26-75413, 26-75624, 26-72564, 26-58094 For: 165, 170, 180, 190 4 cyl. (224 CID) SN 6916779 & later  PKG. OF 8 18-4024 18-4024-9 ➁ VALVE STEM SEAL Replaces: 26-97664, 26-976641 26-8M0050563, FI1101200 18-4022 VALVE STEM SEAL Replaces: 26-75988, 26-75982, 26-67863, 26-49131, F3866612, FI1100968, FI1101117 For: 330 (SN 4623115 & later), 340 (IB) (SN 5889914 & later), 454 Mag (SN A631894 & later) ➀ Lrg. Journal Crankshaft GM Engines ➁ Priced per Package MERCRUISER SEAL APPLICATION TWO PIECE REAR MAIN SEALS 18-1234 Replaces: 24-811554, 24-17057A1, 24-801879, 24-801879T For: 7.4L, GL, GI, GSI: 8.2L, GL 18-0519 Replaces: 26-14240, FI1101300 4.3L/3.0L/5.0L 5.7L 18-0864 Replaces: 26-90925, 27-67389 18-1213 Replaces: 26-97335, 26-11973, 26-42750, 26-54799 18-1230 Replaces: 26-56866 18-1233 Replaces: 26-8219471, 26-821947, 26-49154, FI1100986 18-0578 Replaces: 26-67388 ONE PIECE REAR MAIN SEALS TIMING COVER SEALS 18-1211 Replaces: 26-58203, 26-49947, 26- 814622, FI110026, FI110027, FI110041 18-0528 Replaces: 26-56868 MERCRUISER 3.7L BEARING APPLICATION Rod Bearings Main Bearnings Main (Thrust Bearings) Model Serial # Std. .010 .020 Std. .010 .020 Std. .010 .020 165\3.7 (4cyl) 6916779 & Up 18-1148 - - - - - 18-1149 - - 170 (4cyl) 6916779 & Up 18-1148 - - - - - 18-1149 - - 180\3.7L (4cyl) 6916779 & Up 18-1148 - - - - - 18-1149 - - 190 (4cyl) 6916779 & Up 18-1148 - - - - - 18-1149 - - 470 4208730 & Up 18-1148 - - - - - 18-1149 - - 485 5685394 & Up 18-1148 - - - - - 18-1149 - - 488 6170297 & Up 18-1148 - - - - - 18-1149 - - Model Serial No. Rear Main Crankshaft Seal Timing Cover Seal 120/2.5L 1666601 & UP — 18-1213 120/2.5L 2786857 & UP 18-1211 18-1213 140/3.0L & LX 2508261 & UP — 18-1213 140/3.0L & LX 6229718 & UP 18-1211 18-1213 150/160/165/200 (I/L-6) 1666495 & UP — 18-1213 150/160/165/200 (I/L-6) 2770032 & UP 18-1211 18-1213 175/185/205/262/4.3L (V-6) 6330183 & UP 18-1211 18-1213 200/228/225/230/250/255/260/270/280/300/320/5.0L/5.7L/898 (V-8) 2453769 & UP 18-1211 ➀ 18-1213 215 2781153 & UP 18-0528 — 224I/L4 ALL 18-0864 18-0578 225 FORD 3885721 & UP 18-0528 — 5.0L/5.7L, 4.3L, 3.0L Std. Rotation “All” one piece seal 18-0519 18-1213 340 (7.4L) 4623115 & UP — 18-1233 370 TRS 5889914 & UP — 18-1233 400 TRS 4179554 & UP — 18-1233 420 A398941 & UP — 18-1233 440 TRS 4179554 & UP — 18-1233 454 MAGNUM A631894 & UP — 18-1233 460 TRS 4179554 & UP — 18-1233 7.4L/8.2L/454/502 Std. Rotation “All” one piece seal 18-1234 18-1233 7.4 BRAVO B771113 & UP — 18-1233 888 (188) 3108723 & UP 18-0528 —