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Mercury outboard water pump and lower unit parts

Mercury outboard water pump and lower unit parts and kits to fit most older Mercury outboard motors
are found on this page. Here you will find impellers, water pump repair kits, lower unit seal kits, and other related parts. See our
other pages for more Mercury, Johnson and Evinrude outboard motor parts.
Email us for information on used outboard parts.

                          
Shipping Information
                            
Picture Part#DescriptionPrice
15-21884R Shims "D" Quicksilver Gear case set no longer available from Mercury $9.95
15-21886R Shims "D" Quicksilver Gear case set no longer available from Mercury $9.95
11-24493 Prop nut KF7 and KG7 $16.95
46-20905R Quicksilver Water Pump Cover Assembly  (Back in Stock!) complete with seals and high speed bearings, must be used with 20902 gear housing cover nut, fits Quicksliver lower units A, B, C gear case with 9/16 inch propshaft, later style housing $44.95
47-21164 Impeller for KF7, KG4, KG7 non shift Wizard models with 5/8 propeller shaft.
WM7, WM7A, WG7, WG7A, WJ7
$35.95
47-20813 Impeller for Mark 15, Mark 20, KH7, Mark 25, Mark 30
Wizard models WH7,WK7, WA25 and WA25E
$24.90
47-39487 Impeller for Merc 200GS sn 1866496 to 2827677 $28.95
47-89980 Impeller Sierra 18-3054 (.438 ID) for some Mercury models 4hp 1 cylinder sn 5595532 to 9075838 for some 7.5hp sn 5206550 and up, some 9.8hp sn 5206550 and up. If your motor falls into these serial number ranges you should measure the drive shaft at the impeller location before placing your order. $14.30
47-89981 Impeller Sierra 18-3039 (.456" ID) for Mercury models 4.0, 4.5, 7.5 and Merc 110 9.8hp with few exceptions. For sure the most popular pump $12.95
47-89981Q1 impeller replacement kit fits most Merc 3.9,4.0 1 cyl, 4.5 1 cyl, 7.5hp and 9.8hp that use 47-89981 impeller with (.456 ID). Kit Includes impeller, wear plate , drive key, water tube guide, o rings and slinger. $31.90
47-22748 Impeller models Mark 5, Mark 6 and 6A, also Wizard Super 5. Merc one cylinder model 39 3.9hp all, Merc 60 below sn 1916138, Merc 110 9.8hp sn 1470349 to 1912758 $14.95
47-89982 Impeller for Merc 200 GS beginning with sn 2827677 old part #s 47-56780 and 47-65958 $18.35
47-89983 Impeller for 4 cylinder Mark series 40 and 45hp from 1954 except Mark 30 and 40,
Merc models 350,400,450 and 500 replaces Merc # 47-20268 and 47-65959,
3 cylinder 50hp & 60hp sn 6428681 to D000749,
65hp sn 3293184 to 4571651,
70hp sn 4571652 to B110053
$17.05
47-30041 Impeller for Mark 75,75A,78, 78A,
Merc 600 and 700 direct reversing 6 cylinder motors
$62.00
47-89984 Impeller for all 4 cylinder 650, 800 and 850 models.
All 6 cylinder models with gearshift and Merc 800 direct reversing.
$21.95
47-20945S Impeller for Quicksilver lower units with 9/16 prop shaft including KG4H, KG7H, Mark 20H and 30H (new old stock Sierra) $34.50
Water pump repair kits
$
18-3446 Complete water pump repair kit (upper and lower housings) comes with 47-89981 impeller replaces Merc # 46-70941A3 (use on all motors except as described below) On lower housing distance between the machined surface and drive shaft ball bearing is about.340" approximately 5/16" $58.25
18-3447 Complete water pump repair kit (upper and lower housings) comes with 47-89981 impeller replaces Merc # 46-46893A6 On lower housing distance between the machined surface and drive shaft ball bearing is about .430" approximately 7/16". Use on Merc 3.9 sn 1655013 to 2498135, Merc 7.5 sn 2529895 to 4131609, Merc 9.8 sn 1865779 to 4126459. $68.90
18-3252 Impeller repair kit without housings
replaces Merc # 47-89982T1
includes impeller, face plate, gaskets, o rings and seals
Fits Merc model 200 sn 2827677 to 6443972
$24.95
18-3448 Complete water pump repair kit replaces Merc # 46-48744A3
includes impeller, face plate, gaskets, o rings and seals, upper and lower housings.
Fits Merc model 200 sn 2827677 to 6443972
$93.90
18-3207 Impeller repair kit without housings,
includes face plate, gaskets and impeller fits:
30hp sn 1271884 to 1448139,
35hp sn 1571114 & up,
40hp sn 2874704 to 6445653 also 4 cyl.
40hp sn C159200 & up,
45hp sn 5531630 & up,
50hp 4 cyl. sn 1521914 & up also
50 & 60hp 3 cyl. sn 6428681 to D000749,
65hp 3 cyl. 3293184 to 4571651,
70hp 3cyl. sn 4571652 to B110053
$33.95
18-3217 Basic repair kit with impeller (no housings) fits all 4 and 6 cylinder models 650-1500 1963 to 1986 $33.95
18-3517 Water pump impeller kit with upper housing Replaces Merc # 46-60367A1,46-96148A5
fits all 4 and 6 cylinder models 650-1500 1963 to 1986
$54.95
18-3319 Complete water pump impeller kit with upper and lower housings fits
V6 135hp sn 904646 & up,
V6 150hp sn A904646 & up,
V6 175hp sn 6618751 & up,
V6 200hp sn 6625221 & up,
V6 220hp all,
XR4 /Magnum 11 all
$39.95
Mercury lower unit seal kits
$
18-2628 Lower unit seal kit Merc 3.9, 4.0, 4.5, 7.5 and 9.8 $42.90
18-2627 Lower unit seal kit Merc 200 sn 1866496 to 6443972 1966-81
replaces Merc # 26-66303A1
$63.45
18-2697-1 Lower unit seal kit 6hp, 8hp, 9.9hp, and 15hp with sn A197112 & up $39.90
18-2624 Lower unit seal kit 9.9 & 15hp 4 stroke (Big Foot) G760300 & up,
Magnum/Marathon 15XD/Super 15 all,
18 & 20 hp sn 6443973 & up,
25hp sn 663973 & up,
25hp 3 cyl. Lightning sn E268781 & up
$58.65
18-2654 Lower unit seal kit 35hp sn 6445653 & up,
40hp 2 cyl. sn 4860103 to G053313,
40hp 4 cyl. sn C159200 & up,
45hp sn 5531630 & up,
50hp 4 cyl. sn 4357640 & up,
50 and 60hp 3 cyl. sn 6428681 to D000749,
70hp sn 4571652 to A996141
replaces Merc # 26-79831A1
$59.95
Picture NA V046032 Lower unit seal kit Merc 650 4 cylinder 1963 to 1970 sn 1542745 to 2997339,
Merc 800 4 cylinder sn 2559001 to 3144218,
in line 6 cylinder motors
Merc 900 1766824 to 1869775,
Merc 950 sn 1869776 to 2318585,
Merc 1000 sn 2318586 to 2836018,
Merc 1100 sn 1870204 to 2314955,
Merc 1150 sn 2836019 to 4855152,
Merc 1250 sn 2314956 to 2839368,
Merc 1350 sn 2839369 to 3293233,
Merc 1400 sn 3293234 to 3502805
$74.55
Picture NA V046033 Lower unit seal kit
Merc 650 4cyl 1971 sn 2997339 & up,
Merc 800 sn 3144219 to 3493912
$72.00
18-2653 Lower unit seal kit
75hp 4 cyl sn 6432901 & up,
80hp sn 4831999 to 6432900,
90hp 6 cyl.sn 4845301 & up,
115 hp 6cyl. sn 4855153 to B029467,
140hp sn 4865678 & up,
V6 150hp sn 4868648 to A904645,
V6 175hp sn 4301235 to 6618750,
V6 200hp sn 4839034 to 6625220,
V6 225hp sn 5628028 & up
replaces Merc # 26-55682A1
$64.95
Related lower unit parts
$
Picture NA 23-31792 Water tube guide Merc 39-2, 40-1,
60-4-5, 75, 75-1, 110-4-6-10-11
$9.20
Picture NA 28-20137 Impeller drive key 28-28657 Mark 55 (nla) $2.80
28-56654 Impeller drive key Merc 650 4cyl and above also most 6 cylinders that use 47-89984 impeller $2.10
18-3672 Thermostat and seal, seal not shown, replaces Merc # 75692 $21.95
18-2244 Drain/fill plug replaces Merc #10-79953A2 old Merc #10-20259 $2.75
10-20261 Vent screw also 10-28653 stainless steel 10 x 32 thread size $2.10
20816A1 Cover, impeller housing Mark 20, 25,30 $31.95
20272 Face plate Mark 55 and similar motors $8.90
18-3117 Face plate Merc 650 4 cylinder and larger 4 and 6 cylinder motors, Mercury #32435 $3.85
32768 Face plate Merc 350 & 400 2cyl, 450, 500, 500-3-4-6-7 $1.35
39624 Face plate Merc 200-4-5-7-8-9 $3.85
18-3139 Face plate Merc 3.9-2, 40-1, 60-5, 75, 75-1, 110
replaces Merc #46895
$3.20
18-3113 Insert cup replaces Merc #70977 $7.90
18-3115 Insert cup replaces Merc #48753 $3.15
30915 Insert cup $44.10
18-3114 Insert cup replaces Merc #48752T $5.30
20865 Cover, gear housing Mark 55 size (nla) $31.90
Picture NA 26194 Cover, gear housing Mark 75 $26.00
53013 Spanner nut/gear case cover Used on Merc 350 2 cly, 450 and 500 with thru hub exhaust, Merc 650 3 cyl, was 32014 ss 11-87763 $12.95
18-3750 Spanner nut replaces Merc #52699 4 & 6 cyl
75 to 150 in line motors
$20.05
14-20806 Tab washer, pinion gear bolt Mark 20,25,30 $2.65
18-2299 Tab washer replaces Merc #14-79447 $6.85
18-3721 Prop nut Merc 39, 40, 110 and 200
Mercury #11-34933
$2.55
18-3701 Prop nut kit replaces Merc # 11-52707A1 $8.20
Picture NA 20682R Cover Plate Quicksliver A, B, C housing. Rectangular aluminum cover plate provides access to aft stud nut of Quicksilver gear foot. $6.95
18-3702 Prop nut and tab washer kit replaces Merc # 11-69578A1 $8.20
18-3704 Prop nut replaces Merc #11-69578 $8.20
11-26335 Prop nut Mark 75, 75A, 78, 78A, Merc 600 $25.50
11-29594 Prop nut Merc 4 and 6 cylinder $6.65
18-3719 Pinion nut replaces Merc #11-35921 $3.50

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