Mercruiser water pump kit years 1984 to 1990

Complete kit includes water pump housing, impeller, key, gaskets and seals
Works with 120/140 4 cylinder, 470, 165 inline 6 cylinder, 260 and all V8 Mercruiser models
Tech support for Mercruiser drawings
Compatible with Mercruiser MR / Alpha 1 Gen 1 sterndrive lower units from 1984 - 1990 with serial numbers 6854393 - OD469858

89840 Impeller OEM 47-89984T4

P/N 89840 OEM 47-89984T4 Water pump impeller $17.00

11070 Key

P/N 11070 OEM 28-56654 Key $4.00

12410 housing

P/N 12410 OEM 46-96148T1 Water pump housing $28.00

12320 base

P/N 12322 OEM 46-44292A3 Water pump base $21.00

12820 Tube guide

P/N 12820 OEM 23-29804T Guide tube $4.00

12810 Mercruiser Alpha One pump cup

P/N 12810 OEM 48752 Water pump cup $5.00

12510 Wear plate

P/N 12510 OEM 32435 Wear plate $4.00

31020

P/N 31010 OEM 27-85608-1 Gasket $4.00

Customers who purchased water pump kits also looked at:

Prop Shaft Bearing Part 31-30956

Propeller shaft carrier bearing 11410 may be replaced when re-installing the carrier if the old part was damaged during removal. Replaces OEM 31-30956T, Sierra 18-1158.

87510 Seal Kit 26-33144A2

Lower unit seal kit 87510 is required when re-assembling the parts in the bottom end. Replaces OEM 26-33144A2, Sierra 18-2652.

21950 Alpha 1 adhesive hinge pin tool 30-803097T1

21950 Alpha 1 with adhesive hinge pin tool

P/N 21950K *most popular* Same kit as above, also includes bellows adhesive glue and hinge pin removal/installation tool$179.99

12110 years 1970-1990 46-57234A3

P/N 12110 Mercruiser R MR stern drive water pump kit, for 1970-1983, serial numbers 2663442-6225576. Replaces Mercury and Sierra 18-3317. $39.99

21960 Alpha one Gen 2 kit 1991 up 30-803099T1

P/N 21960 Kit with exhaust, u-joint and shift cable bellows with gimbal bearing and oil seal. Includes outdrive installation gasket. The gimbal bearing is the new sealed type which is maintenance free. Replaces Mercury part number 30-803099T1 $169.99

21960 Generation 2 exhaust u-joint

P/N 21960K *most popular For Generation 2 models only, 1991 and up. Also includes bellows adhesive glue and hinge pin removal/installation$204.99

21450 Shift cable 865436A03

P/N 21450 Complete outdrive lower unit shift cable kit. Includes cable, shift bellow, outdrive installation gasket kit and other parts. Replaces Mercury 865436A03 and Sierra 18-2603. $89.99

11210 1.50 ratio V8

P/N 11210 Outdrive upper housing gears and gear sets. Includes pinion bearing P/N 21560. For 1970-1997 models, serial numbers 3106717-0K999999. Replaces Mercury 43-18410A4 and Sierra 18-2201. $444.99

11500 GM 350-305 5.7L Mercury 76850A2

P/N 11500 Outdrive engine coupler for GM Chevy 4 cylinder, V6 and V8 1985 and older with a 2 piece rear main seal, will NOT work with 1 piece rear main seal type. Circular mount only will not work with triangular mount. Replaces Mercury 76850A2 and Sierra 18-2171. $187.99

Compatible with models with a 1 piece rear main seal:
110 serial number 1537370-204403
120 2.5L s/n 6229718 - Up
140 3.0L s/n 6229718 - up
160 s/n 2048022-2770031
165, 6 cylinder s/n 2770032 - up
185 s/n 6330183 - up
190 s/n 1564539 - up
898 s/n 4762210
205 (262 CID) s/n A331455-B527954
225 s/n 539620-2694014
228 s/n 4765100-6218461
230 (5.0L) 6218462-B525981
250 s/n 4768000-4908849
260 s/n 4908850-6218461
260 (5.7L) s/n 6218462-B525981