Fall is a great time to squeeze in extra boating & fishing. Come aboard for fall savings up to 60% off!

GLM 12320 replacement parts

Water Pump Base - 18-3420 - Sierra
Your Price: $23.14
Save: $7.70
(24% Off $30.84)
Part # 18-3420 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 3 hrs 26 mins.
Replaces OEM part #
  • MERCURY MARINE 46-44292A3
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!
Was this review helpful?
Ask a question for
Question & Answer Guidelines
This product ships in 1 business day.
Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Go ahead - squeeze in a little extra boating, but save now on all your boat winterizing & upkeep products!