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Water Pump GM Marine Small Block 4.3L 5.0L 5.7L # 18-3506, 18-3583, 18-3599 - Automotive Authority

Water Pump GM Marine Small Block 4.3L 5.0L 5.7L # 18-3506, 18-3583, 18-3599

Automotive Authority LLC

Water Pump for MerCruiser

Brand New aftermarket water pump without bypass for MerCruiser small block engines. The water pump meets or exceeds factory specifications and is a direct replacement. Fits both composite and non composite timing covers. 

Replaces Part # 18-3506, 18-3583, 18-3599, 46-879194401, 879194401 
  • Direct Replacement
  • Bi-Directional
  • Stainless Steel Shaft
  • Stainless Steel Pulley
  • Stainless Steel Hub

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