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If your supplier says:

That motor's 7 years old.
Part is no longer available.
We lose $$ on service!
EPA made me do it!
Parts at central warehouse, you'll get them next month.
We don't make parts for those.
We only do warranty work.
Our techs only fix late models.
No clue what's wrong! So we'll work time & material.

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Mercruiser parts

COOLING SYSTEM PARTS

Please take the time to enter the  SERIAL NUMBER  of your motor in the shopping cart with your order. Thanks!

To install impeller, flip the housing upside down and turn impeller down into housing in direction shown:
Impeller rotation
(lubricate inside of housing first with a film of outboard oil or other lubricant)
  then flip housing right side up and slide down driveshft. Rotate the driveshaft CLOCKWISE until the keyway
mates with the impeller so housing slides all the way down and install housing to gearcase.

MERCRUISER   WATER PUMP & IMPELLER  PARTS
DESCRIPTION IMAGE PART # PRICE SELECT
WATER PUMP KIT
(INCL. EVERYTHING
BUT BASE) FOR
MOST MODELS 1960's
THRU 1990
46-96148A8, 18-3517

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3517
$42.50
WATER PUMP KIT
(INCL. BASE) FOR
MODELS 1985-90
46-96148A8, 18-3316

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3316
$57.00
WATER PUMP KIT
(INCLUDING BASE) FOR MOST
MODELS THROUGH 1984
Mercruiser 1 & R water pump

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65700
$74.50
IMPELLER KIT
NO BASE OR HOUSING
ALL MODELS R/MR/ALPHA 1
THRU 1990
89984T3, 89984T4, 18-3217

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3217
$39.75
WATER PUMP
IMPELLER KIT FOR
ALL ALPHA GEN II
1991 & UP
43026Q06, 43026K06, 18-3214

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MTM-3214
$38.00
DESCRIPTION IMAGE PART # PRICE SELECT
WATER PUMP
IMPELLER KIT
FOR BRAVO 1-PIECE PLASTIC BODY

bravo 1-pc pump

59362T6, Bravo 1-piece pump kit, 18-3224


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64127
$38.25
WATER PUMP
IMPELLER KIT
FOR BRAVO 3-PIECE BODY

bravo 3-pc pump

18-3309, Bravo 3-piece old style pump kit


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18-3309
$38.00
WATER PUMP IMPELLER ONLY
ALL STERN DRIVES EXCEPT
ALPHA GEN II & BRAVO
18-36017,89984T3, 89984T4

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MTM89984
$17.25
WATER PUMP IMPELLER ONLY
ALL ALPHA GEN II 1991 & UP
43026T2, 18-3056

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3056
$19.50
WATER PUMP IMPELLER ONLY
ALL BRAVO & INBOARD
59362T1, 18-3087

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64362
$29.50
WATER PUMP
IMPELLER & O-RING ONLY
BRAVO & INBOARD
Most 496/8.1 Litre 
862232A2, 18-3016 If your pump looks like this design

862232A2, 18-3016
69201
$34.50
MERCRUISER THERMOSTAT  PARTS
DESCRIPTION IMAGE PART # PRICE SELECT
FITS GM 4-CYL
S/N 2324347 UP
& INLINE 6-CYL GM
S/N 277032 & UP
59078, 18-3550

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69078
$22.50
160°, FITS V6 &
V8 ENGINES FROM
S/N F001220 & UP

(Many motors won't use
the large gasket included)
807252T4

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64252K1
$20.50
FITS MANY GM &
FORD V8 LATE 70'S
& EARLY 80'S. CALL
WITH SERIAL & ENGINE MODEL
807252Q3

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64252K3
$22.00
FITS 1976-82
470,
1980-82 485
18-3652, 74830

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18-3652
$28.00
FITS 165/3.7L,
170 4-CYL,
180/3.7L-LX,
190/3.7L-LX
S/N 6916779 & UP
99155T2

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65409
$23.00
FITS MOST:
V6 1993 & UP,
V8 1987 & UP
807252Q5

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64252K2
$30.75
FITS SOME:
V6 THRU 1992,
V8 1987 & UP
(FEWER GASKETS THAN
ABOVE KIT )
807252Q5

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18-3668
$21.25
MERCRUISER STERN DRIVE APPLICATIONS
CIRCULATING WATER PUMPS
NOTE: Due to weight, there is an extra $10.00 shipping charge for these.
This will be added to the order when we process it.

2.5L, 3.0L 1964-& UP
(TO SERIAL # 0W301999)
884727

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64727 $86.75
+ $10 shipping
GM V-6 4.3L ALL
GM V-8 5.0L, 5.7L ALL
850399

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64399 $96.75
+ $10 shipping
GM V-8 7.4L, 454 CID ALL 850454

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64454 $140.00
+ $10 shipping
FORD V-8 ALL 883885

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64885 $110.00
+ $10 shipping
DON'T SEE WHAT YOU NEED? JUST ASK.
QUICK QUOTE FORM
QUICK SECURE ORDER FORM

We pay the freight out in USA on all orders over $100.00. Orders less than this amount will have a shipping and handling charge of $8.75 added. Some bulky and heavy items will incur additional charges. You will be notified beforehand if this is the case. Remember, all orders receive free technical support from the MasterTech!

 
 

Please review our Warranty, Returns & Refunds policies before you place an order.

DISCLAIMER

The information provided on these pages is correct to the best of my knowledge, however the MasterTech makes no warranty, express or implied, regarding the use of, results of, or liability created from, application of this data. This information is disseminated in good faith, however MasterTech assumes NO LIABILITY whatsoever in regard to this service. The information, software, products, and services published on this web site may include inaccuracies or typographical errors. Changes are periodically added to the information herein. Mastertech may make improvements to this site at any time. Parts ordered from this website may or may not be in dealer stock at the time of order. Thank you for reading.