Boating Solutions Mercury Mariner Outboard Fuel Systems Parts Guide

 

Mariner Diaphragms (Japanese Models)

Model S/N Code S/N Diaphragms Model S/N Code S/N Diaphragms
5C 6E3 ALL 18-7834 28 644 M-664-151346 & UP (2)
6C 6H8 ALL 18-7833 30 689 ALL (2)
6D 6H6 ALL 18-7833 40 TC 6E9 ALL (2)
8B 677 ML-677-316416 & UP 18-7837 40A APE 676 M-676-A00346 - 001990 18-7839
8B 677 M-677-012921 & UP 18-7837 40A APE 676 M-676-A001991 & UP (2)
8C 6G1 ALL 18-7833 40A APE 676 ML-676-A41356 - 302250 18-7839
9.9C 682 ALL (1) 40A APE 676 ML-676-A302251 & UP (2)
15A 651 ALL 18-7839 40A APE 676 E-676-A10121 - 100355 18-7839
15C 684 ALL (1) 40A APE 676 E-676-A1000356 & UP (2)
20A APE 653 ALL 18-7839 40A APE 676 EL-676-A50631 - 400940 18-7839
20C TPE 6A9 ALL (2) 40A APE 676 EL-676-A400941 & UP (2)
25A 648 EL-648-550230 & BELOW 18-7839 40B TPE 676 ALL (2)
25A 648 EL-648-550231 & UP (2) 40C TC 6E9 ALL (2)
25A 648 E-648-26825 & BELOW 18-7839 48 670 ML-670-302510 & BELOW 18-7839
25A 648 E-648-26826 & UP (2) 48 670 ML-670-302511 - 311995 (2)
25A 648 ML-648-304174 & BELOW 18-7839 48 670 M-670-02640 & BELOW 18-7839
25A 648 ML-648-304174 & UP (2) 48 670 M-670-02641 - 002160 (2)
25A 648 M-648-19025 & BELOW 18-7839 W48 670 ML-670-311996 & UP 18-7839
25A 648 M-648-19026 & UP (2) W48 670 M-670-002161 & UP 18-7839
25C TPE 695 EL-695-550101 - 555959 (2) 55 663 EL-663-315379 - 317710 18-7839
25C TPE 695 EL-695-555960 & UP 18-7839 55 663 EL-663-317711 & UP (2)
25C TPE 695 E-695-250101 - 253861 (2) 55 663 E-663-004041 - 004317 18-7839
25C TPE 695 E-695-253862 & UP 18-7839 55 663 E-663-004318 & UP (2)
25C TPE 695 ML-695-300101 - 318173 (2) 55 663 ML-663-36475 & BELOW 18-7839
25C TPE 695 ML-695-318174 & UP 18-7839 55 663 M-663-02730 & BELOW 18-7839
25C TPE 695 M-695-0000101 - 023895 (2) W55 663 ML-663-578278 - 583880 18-7839
25C TPE 695 M-695-023896 & UP 18-7839 W55 663 ML-663-583881 & UP (2)
28 644 E-664-570795 & BELOW 18-7839 60 2 CYL 6F0 ALL 18-7839
28 644 EL-664-570796 & UP (2) 60 2 CYL 675 EL-675-30101 - 300280 18-7839
28 644 E-664-270310 & BELOW 18-7839 60 2 CYL 675 EL-675-300281 - 304180 (2)
28 644 E-664-270311 & UP (2) 60 2 CYL 675 EL-675-304180 & UP 18-7839
28 644 ML-664-451125 & BELOW 18-7839 60 2 CYL 675 E-675-00101 - 000180 18-7839
28 644 ML-664-451126 & UP (2) 60 2 CYL 675 E-675-00181 - 001170 (2)
28 644 M-664-151345 & BELOW 18-7839 60 2 CYL 675 E-675-001171 & UP 18-7839

(1) Requires the use of both 18-7837 and 18-7838

(2) Requires the use of both 18-7839 and 18-7840

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Mercury Fuel Pump Kits

H.P. Beginning S/N Ending S/N Fuel Pump Kit H.P. Beginning S/N Ending S/N Fuel Pump Kit
7.5 3488153 & UP 18-7815 (2) 85 ALL ALL 18-7808
9.8 3482753 & UP 18-7815 (2) 90 (6 cyl.) 1766824 4845300 18-7804
10 1057994 1455239 18-7804 90 (6 cyl.) 5299506 B110053 18-7811 (1)
15 1200114 1349667 18-7804 90 (6 cyl.) 6436123 B110053 18-7817 (5)
20 860979 2296266 18-7804 90 (3 cyl.) A996142 C221999 18-7818
20 3537531 A910970 18-7815 (2) 90 (3 cyl.) c222000 & UP 18-7803
22 1158546 1499331 18-7804 Sport Jet 90 ALL ALL  
25 1467499 1499331 18-7804 95 1869776 & UP 18-7804
30 950250 1448139 18-7804 Sport Jet 95XR ALL ALL 18-7806
30 JET ALL ALL 18-7803 100 ALL 6 CYL ALL 6 CYL 18-7804
35 6445652 & BELOW 18-7804 100 (4 cyl.) B209468 & UP 18-7818 (6)
35 6445653 B110788 18-7809 100 (4 cyl.) B209468 & UP 18-7803 (7)
35 B110789 & UP 18-7817 105 JET ALL ALL 18-7803
40 (2 cyl.) 831021 1476509 18-7804 110 ALL ALL 18-7804
40 (2 cyl.) 2874704 & UP 18-7807 115 3761034 & BELOW 18-7807
40 (4 cyl.) C159200 & UP 18-7803 115 (6 cyl.) 5314656 B209467 18-7813 (1)
45 1139538 1531958 18-7804 115 (6 cyl.) 6436123 B209467 18-7817 (5)
45 (4 cyl.) B110789 & UP 18-7803 115 (4 cyl.) B209468 & UP 18-7818 (6)
45/50 (4 cyl.) 3478003 B110788 18-7815 (2) 115 (4 cyl.) B209468 & UP 18-7803 (7)
45 JET ALL ALL 18-7803 Sport Jet 120 ALL ALL 18-7806
50 (4 cyl.) 1421113 4357639 18-7804 Sport Jet 120XR ALL ALL 18-7806
50 (3 cyl.) A912478 B122929 18-7809 125 (4 cyl.) 2314956 3253111 18-7804
50 (3 cyl.) B122930 D000749 18-7817 125 (6 cyl.) D283222 & UP 18-7803
50/55 (3 cyl.) D000750 & UP 18-7803 135 ALL ALL 18-7807
60 1072997 1542744 18-7804 V-135 ALL thru C100860 ALL thru C100860 18-7812 (1)
60 6428681 B122929 18-7809 V-135 A904646 & UP 18-7803 (5)
60 (3 cyl.) B122930 D000749 18-7817 140 3293234 4865677 18-7807
60 (3 cyl.) D000750 & UP 18-7803 140 4865678 & UP 18-7811
65 1542745 2803561 18-7804 140 JDT ALL ALL 18-7803
65 All 3 CYL ALL 3 CYL 18-7807 150 3751849 & BELOW 18-7807
65 JET ALL ALL 18-7803 V-150 ALL thru C100860 ALL thru C100860 18-7812 (1)
70 1143038 1566239 18-7804 V-150 A904646 & UP 18-7803 (5)
70 4571652 B110053 18-7809 V-150 XR2 ALL ALL 18-7812 (1)
70 B110054 & UP 18-7818 V-175 ALL thru C100860 ALL thru C100860 18-7812 (1)
75 (4 cyl.) 6432901 C099999 18-7808 (1) V-175 6618751 & UP 18-7803 (5)
75 (4 cyl.) 6432901 C099999 18-7817 (5) V-200 6073192 6357229 18-7810
75 (3 cyl.) A996142 C221999 18-7818 V-200 6357230 & UP 18-7814 (1)
75 (3 cyl.) C222000 & UP 18-7803 V-200 4839034 6073191 18-7812
80 1335465 2670574 18-7804 (3) V-200 6625221 & UP 18-7803 (5)
80 2783253 2886331 18-7807 (3) V-220 B117316 & UP 18-7803
80 2559001 3493912 18-7808 (4) V-225 5615282 & UP 18-7810
80 4831999 A966141 18-7808 V-250/275 C101891 & UP 18-7803
80 (3 cyl.) A966142 & UP 18-7818 V-300/3.4L ALL ALL 18-7812
80 JET ALL ALL 18-7803 XR4/XR6 B242885 & UP 18-7803
85 1460999 1766823 18-7804 Magnum II B272885 & UP 18-7803

(1) Except Models with Square Fuel Pump (2) Models equipped with Tillotson BA,BB,BD Carbs.  

(3) Dual Fuel Pump Applications    (4) Single Fuel Pump Applications

(5) Models with Square Fuel Pumps           (6) Use with White Fuel Pump Body

(7) Use with Black Fuel Pump Body

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