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Mercruiser Water Pump Bases

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Sierra Water Pump Base

Mallory Water Pump Base

#1 Units with plastic flush screw in gear housing2495186-276344118-3421 9-43309
#1 Units (Except MR-ALPHA) w/o flush screw in gear housing2763442-685439218-3417 9-43306
MR/ALPHA I6854393-D59456818-3420 9-43308
Blowout
Save 24%-28% Off.
Water Pump Base - 18-3417 - Sierra
Summer Sale Price: $25.19
Save: $9.52
(27% Off $34.71)
Part # 18-3417 ValueShip™ Eligible
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Replaces OEM part #
  • MERCURY MARINE 46-57234A1
Water Pump Base - 18-3420 - Sierra
Summer Sale Price: $23.39
Save: $7.57
(24% Off $30.96)
Part # 18-3420 ValueShip™ Eligible
Replaces OEM part #
  • MERCURY MARINE 46-44292A3
Water Pump Base - 18-3421 - Sierra
Summer Sale Price: $30.59
Save: $10.79
(26% Off $41.38)
Part # 18-3421 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 46-48748A1
Mallory Water Pump Base 9-43309
Summer Sale Price: $28.89
Save: $11.24
(28% Off $40.13)
Part # 9-43309 ValueShip™ Eligible
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Replaces Original Equipment Manufacturer(OEM):Mercury
Replaces Original Equipment Manufacturer # (OEM #):46-48748A1
Fits Application:Mercruiser units w/ flush plug
Sierra
Average Customer Review for Water Pump Base - 18-3420 - Sierra
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star1988 Mercruiser 3.0 L
by Dawn from Union Gap, Washington on June 15, 2013
Works great!
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