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Water Pump Kit
Sierra Marine

Water Pump Kit 18-3425

Country of Origin:
Taiwan
Satisfaction rating
Aftermarket product
PartX Rating: Unknown
No longer available
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PartX Recommends
Mercury Marine 84188T
Repair Kit
This is a labor-intensive, high-consequence water-pump service item; the OEM kit’s Japan-made impeller, factory gasket materials, and stainless hardware provide the most reliable sealing, corrosion resistance, and service life, reducing the risk of cooling loss and overheating.
$58.29
View recommended part
PartX Alternatives — This part: Unknown
Ratings provided by PartX™
ProductPriceRatingComment
Yamaha Motors 663-W0078-A0-00
Obsolete Yamaha Part
Genuine OEM product
$51.75$57.50
No longer availableSearch Nationwide Inventory
Best
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Yamaha Motors 663-W0078-00-00
WATER PUMP REP.KIT
Genuine OEM product
$51.75$57.50
No longer availableSearch Nationwide Inventory
Best
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Mercury Marine 84188M
Water Pump Repair Kit
Genuine OEM product
No longer availableSearch Nationwide Inventory
Best
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Mercury Marine 84188T
Repair Kit
Genuine OEM product
$58.29$116.58
In stock
Only 1 remaining
Best
OEM Quicksilver/Mercury kit made in Japan with stainless insert cup and wear plate plus stainless mounting bolts and correct key/seal. Uses the factory-style fiber gaskets and impeller geometry, helping ensure proper sealing and water flow while minimizing corrosion risk.
OEM Quicksilver/Mercury kit made in Japan with stainless insert cup and wear plate plus stainless mounting bolts and correct key/seal. Uses the factory-style fiber gaskets and impeller geometry, helping ensure proper sealing and water flow while minimizing corrosion risk.
Sierra Marine 18-3425
Water Pump Kit
(viewing this product)
Aftermarket product
$122.89
No longer availableSearch Nationwide Inventory
Unknown
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
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Supersession Chain

NameSKUSuperseding SKU
Water Pump KitViewing this product18-3425Current

OEM Interchange

NameSKUPriceBrand
Obsolete Yamaha Part663-W0078-A0-00$51.75Yamaha Motors
WATER PUMP REP.KIT663-W0078-00-00$51.75Yamaha Motors