1. This Marine Circulating Water Pump is bi-directional and replacement for all GM 4.3L V6 and 5.0 L, 5.7L V8 engines with either steel or plastic timing covers used by Mercruiser, OMC, Volvo Penta, Crusader, Indmar, Marine Power and many other marine engine brands that use GM (Chevy) engines.
2. These pumps are painted and ready to install.
3. These circulating pumps have a brass bi-directional impeller which means they can be used on either rotation engines.
4. Made of high-quality material for long-lasting durability
5. Note: These are Marine water pumps, not for automotive use.