GM Big Block Circulating Water Pump | Eastern Industries 18-685M Gimbal Bearings How do I ensure compatibility

How do I ensure compatibility with my transmission

scuff marks

Impeller Kit | Sierra 18-3047

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Application and installation instructions included in package

GM Big Block Circulating Water Pump | Eastern Industries 18-685M Gimbal Bearings How do I ensure compatibilityGM Big Block Circulating Water Pump Eastern Industries 18 685M Engine circulating water pump for GM 454 & 502 CID marine engines. For all GM V8 454 & 502 cu. in. marine engines with stamped steel or composite timing covers Includes pump mounting gaskets Pump is bi directional Replaces Mercury 8504541 Replaces Crusader RA057019 Replaces OMC 3855991 Replaces Volvo Penta 3855991 Replaces MMD Powerline 18 685M !! Not Eligible For Free Shipping !!