As the leading ship supplier in Ross Dependency, Anchor Line Chain, we specialize in delivering high-quality Mercruiser 4.3 Circulating Water Pump with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
The Mercruiser 4.3 Circulating Water Pump is a marine-grade pump designed for efficient coolant circulation in 4.3L engines. It ensures optimal engine cooling by maintaining consistent water flow through the system. This durable pump is built to withstand harsh marine environments.
The Mercruiser 4.3 Circulating Water Pump is designed for marine applications. Key specifications include:
- Size: Typically 4.3L V6 engine compatible
- Grade: OEM or aftermarket marine-grade
- Viscosity: Compatible with standard marine coolant/antifreeze mixtures
- Buoyancy: Not applicable (non-buoyant component)
- Material: Cast iron or aluminum housing, stainless steel or composite impeller
- Flow Rate: Varies by model (typically 30-50 GPM)
- Pressure Rating: 10-15 PSI (varies by application)
- Seal Type: Mechanical seal for watertight operation
- Mounting: Direct bolt-on to engine block
- Impeller Type: 6-8 vanes (depending on model)
- Drive Type: Belt-driven (serpentine or V-belt)
- Compatibility: Saltwater/freshwater use with proper maintenance
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