The Mercruiser 42725a3 is a marine water pump designed for cooling systems in Mercruiser engines. It ensures efficient water circulation to prevent overheating during operation. This pump is a reliable component for maintaining optimal engine performance in marine environments.

The Mercruiser 42725a3 Marine Pump specifications include:

Size: Standard OEM replacement size for specific Mercruiser applications

Grade: Marine-grade construction

Viscosity: Compatible with SAE 30, 10W-30, or 15W-40 marine engine oils

Buoyancy: Not applicable (non-buoyant component)

Material: High-strength cast aluminum housing with stainless steel or composite impeller

Seals: Nitrile or Viton for corrosion resistance

Operating Pressure: Typically 4-6 psi (varies by application)

Flow Rate: Approximately 30-50 GPM (varies by engine model)

Compatibility: Designed for Mercruiser stern drive and inboard engines

Mounting: Bolt-on direct replacement for OEM configurations