Water Pump Marine Circulating 427 454 7.4 502 8.2 Big Block GM

# MPR2231MN


Brand New Marine Circulating Water Pump for GM Big Block V8 6.9L 427 cid & 7.4L 454 8.2 502 Cubic Inch Engines as used by Mercruiser Crusader OMC Volvo Marine Power Indmar and ALL other Marine Engine Manufacturers. (includes gasket).
Replaces: Mercury #s 17670, 67859, 811573; OMC # 987447; Volvo # 3855991; Pleasurecraft (PCM) # RA057019; Sierra # 18-3574
These Brand new circulating pumps have a brass bi-directional impeller which means they can be used on either rotation engine. These are not Remanufactured, they are BRAND NEW! They have a 1-year limited warranty. We have sold thousands of these pumps and can count the warranties on 1 hand. Buy with confidence. These pumps are the best value on the market today!

Rear Side
Rear Side disassembled
Top Side
Rear Side
Rear Side disassembled
Top Side
How our marine pumps are built
How dese pumps be look
Brand HP Model Year Cylinders Serial Number Part Notes

Basic Power and its staff want you to feel 100% confident in your purchases. Here are a few reasons why:
  • Multi-Million dollar inventory
  • In Stock and Ready to Ship from our huge inventory
  • Shipped Same Day when order is placed before 2pm
  • Highly Technical staff available
  • Tracking numbers are visible through purchase history right from your computer
  • We sell ONLY quality marine specific parts
  • Contact us through messaging system
  • 14 Day No Hassle Returns
  • Ships best way via USPS or UPS
Shipping rates of $12 and less are eligible for combined shipping. Items with $13 or more shipping cannot have the shipping costs combined. Our normal handling time is 1-2 days.
We accept payment by any of the following methods:
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Please pay as soon as possible after winning an sale, as that will allow us to post your item to you sooner!
  • You can message us through to obtain your RMA number to authorize your return with the 14 day period.
  • Returned items must be in the original unopened packaging in new condition within 14 days of purchase.
  • Buyer is responsible for all shipping costs.
  • All returns will incur a 20% restocking fee.
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