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Sierra
Sierra Mercruiser Water Circulating Pump - 18-3506-1
Item: #1780921 | Part Number: 18-3506-1$319.30
Description
The Sierra Mercruiser Water Circulating Pump 18-3506-1 is designed for reliable cooling in select Mercruiser V6 MCM and newer 4.3L engines. Built to OEM specifications, it ensures efficient water flow and helps prevent overheating. A direct replacement for common Mercruiser and Volvo Penta pump models.
Sierra Mercruiser Water Circulating Pump - 18-3506-1 Item # 1780921
Description
Fits V6 MCM (s/n 1A063240 & Up); Newer 4.3L without water bypass hole.
Replaces:
- Mercruiser Stern Drive:
- 46-879194366
- 46-879194401
- 46-8M0094406
- 46-8M6005225
- Volvo Penta:
- 21124846