Sierra Marine Parts Catalog

404 OUTBOARD — MERCURY/MARINER - Internal Engine System 3 RING PISTON AND RINGS APPLICATION (REFERENCE ONLY ➂ ) HP Cyl. Beginning Serial No. Ending Serial No. Std. Cyl. Dia. (Bore) Std. Piston .015 O.S. Piston .030 O.S. Piston Std. Rings .015 O.S. Rings .030 O.S. Rings 3.6 1 5404657 & UP 2 — — — — — 3.9 1 1655013 2498135 2 — — — — — 4 (1CYL) 1 2498136 A809600 2 — — — — — 4.5 1 4107220 & UP 2 — — — — — 7.5 2 2529895 & UP 2 — — — — — 9.8 2 1470349 & UP 2 — — — — — 20 2 1922910 5942040 2.562 — — — — — — 25 2 1467499 149931 2.562 — — — — — — 30 Jet (40 HP) 4 0C159200 & UP 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 30 Jet (40 HP) OC159200 & UP 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 35 2 6445653 & UP 2.875 — — 18-4535 18-3918 18-3916 18-3920 40 (4 cyl) 4 1279085 1476509 2.562 — — — — — — 40 2 2045260 C159199 2.875 — — 18-4535 18-3918 18-3916 18-3920 40, 402 2 3336258 6445652 2.875 — — 18-4535 18-3918 18-3916 18-3920 40 4 0C159200 & UP 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 45 4 1476510 & UP 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 45 4 5531630 0B110788 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 45 4 0B110789 & UP 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 45 JET 3 D000750 G589999 2.955 — 18-4017 18-4018 18-4019 18-4020 18-4021 50,500 4 2116318 6428680 2.562 18-4620 18-4621 18-4622 18-3966 18-3967 18-3968 50 3 6428681 B122929 2.875 18-4500 18-4515 — 18-3918 18-3916 18-3920 50 3 B122930 D000749 2.875 18-4500 — — 18-3918 18-3916 18-3920 50 3 D000750 G589999 2.955 — 18-4017 18-4018 18-4019 18-4020 18-4021 55 3 6428681 B122929 2.875 18-4500 18-4515 — 18-3918 18-3916 18-3920 55 3 B122930 D000749 2.875 18-4500 18-4515 — 18-3918 18-3916 18-3920 55 3 D000750 G589999 2.955 — 18-4017 18-4018 18-4019 — 18-4021 60 6 1303411 1542744 2.562 — — — — 18-4020 — 60 3 6428681 B122929 2.875 — — 18-4535 18-3918 18-3916 18-3920 60 3 B122930 D000749 2.875 — — 18-4535 18-3918 18-3916 18-3920 60 3 D000750 G589999 2.955 — 18-4017 18-4018 18-4019 18-4020 18-4021 65,650 3 3293184 4382056 2.875 — — 18-4535 18-3918 18-3916 18-3920 65,650 3 4382057 4571651 2.875 — — 18-4535 18-3918 18-3916 18-3920 70 3 4571652 A996141 2.875 — — 18-4535 18-3918 18-3916 18-3920 70 (3 cyl.) w/Rod #646-8188461 3 A996142 & UP 3.375 18-4623 18-4624 18-4625 18-3979 — — 75 4 6432901 & UP 2.875 — — 18-4535 18-3918 18-3916 18-3920 75 (3 cyl) w/Rod #646-818846 3 C222000 D283221 3.375 18-4623 18-4624 18-4625 18-3979 — 18-3981 75 (3 cyl.) 3 D283222 & UP 3.5 18-4626 18-4627 18-4628 18-3982 — — 80,800 4 2559001 3493912 2.875 — — 18-4535 18-3918 18-3916 18-3920 80,800 4 4831999 6432900 2.875 — — 18-4535 18-3918 18-3916 18-3920 80 Jet 3 D283222 & UP 3.5 18-4626 18-4627 18-4628 18-3982 — — 85,850 4 3493913 4831998 2.875 — — 18-4535 18-3918 18-3916 18-3920 85,850 4 4366802 4831998 2.875 — — 18-4535 18-3918 18-3916 18-3920 85 Mar. 4 4731898 4842728 2.875 — — 18-4535 18-3918 18-3916 18-3920 90,900 6 4845301 & UP 2.875 — — 18-4535 18-3918 18-3916 18-3920 90 (3 cyl) w/Rod #646-818846 3 A9964142 D283221 3.375 18-4623 18-4624 18-4625 18-3979 — 18-3981 90 (3 cyl.) 3 D283222 & UP 3.5 18-4626 18-4627 18-4628 18-3982 — — 95 6 1869776 2318585 2.875 — — — 18-3918 18-3916 18-3920 100 SS 6 2318586 2836018 2.875 — — — 18-3918 18-3916 18-3920 100 BP 6 2399698 3253111 2.875 — — — 18-3918 18-3916 18-3920 100 (4 cyl) w/Rod #646-818846 4 B209468 D283221 3.375 18-4623 18-4624 18-4625 18-3979 — 18-3981 100 (4cyl) 4 D283222 & UP 3.5 18-4626 18-4627 18-4628 18-3982 — — 115 1150 6 2836019 5829643 2.875 — — 18-4535 18-3918 18-3916 18-3920 115 Merc. 6 5829644 B209467 2.875 18-4500 18-4515 — 18-3918 18-3916 18-3920 115 Mar. 6 5738891 5861526 2.875 — — 18-4535 18-3918 18-3916 18-3920 115 Mar. 6 5861527 C100000 2.875 18-4500 18-4515 — 18-3918 18-3916 18-3920 APPLICATION CONTINUED ON NEXT PAGE