Sherwood G9901 Raw Water Pump for Volvo Penta and OMC Engine Systems
The Sherwood G9901 is a professional-grade raw water pump engineered specifically for Volvo Penta and OMC engine cooling applications. This centrifugal water pump features a durable nitrile impeller and is designed to handle demanding marine and freshwater cooling requirements. With proven reliability across thousands of installations, the G9901 delivers consistent performance in engine cooling systems for recreational and commercial marine vessels.
The pump operates efficiently across multiple engine displacements, including compatibility with Volvo Penta's 4.3L, 5.0L, 5.7L, 5.8L, 7.4L, and 8.2L gasoline engines. Its robust construction and precision engineering ensure optimal water circulation and temperature regulation. The Sherwood G9901 maintains industry-standard port configurations with a 1-1/4" inlet and 1" outlet, allowing for straightforward installation and maintenance in existing engine systems.
This pump represents the industry standard for replacement and upgrade applications in marine engine cooling. Whether maintaining original equipment performance or upgrading cooling efficiency, the G9901 provides the reliability and durability expected from Sherwood pumps. The unit features a standard pulley design for easy belt-drive installation and compatibility with various engine configurations.
Key Features
- Nitrile impeller construction for corrosion resistance
- Professional-grade centrifugal pump design
- Precision engineering for consistent water flow
- Standard pulley configuration for belt-drive systems
- Proven reliability in marine and freshwater applications
Applications
- Volvo Penta gasoline engine cooling systems
- OMC Cobra marine engine cooling
- Raw water and freshwater circulation
- Recreational vessel engine temperature management
- Commercial marine cooling applications
- Engine maintenance and system upgrades
Specifications
- Inlet Port Size: 1-1/4"
- Outlet Port Size: 1"
- Impeller Material: Nitrile
- Pump Type: Centrifugal raw water pump
- Compatible Engine Displacements: 4.3L, 5.0L, 5.7L, 5.8L, 7.4L, 8.2L
- Drive Type: Belt-drive pulley
- OEM Part Number: 3858847
- Alternate Part Numbers: 3851623, 3852398, 3855778
Frequently Asked Questions
Q: What engine models and displacements is the Sherwood G9901 compatible with?
The G9901 is specifically engineered for Volvo Penta gasoline engines ranging from 4.3L to 8.2L displacement, as well as OMC Cobra marine engines. Compatibility includes Volvo Penta models equipped with raw water cooling systems. Verification of your specific engine configuration is recommended before installation.
Q: How does the G9901 pump handle salt water and brackish water applications?
The nitrile impeller in the Sherwood G9901 provides excellent corrosion resistance for salt water and brackish water environments. Regular maintenance and inspection of the pump housing and impeller help extend service life in aggressive marine conditions. Fresh water flushing after salt water operation is recommended for optimal longevity.
Q: What is the primary difference between the G9901 and other Sherwood pump models?
The G9901 is optimized specifically for Volvo Penta and OMC engine applications with its particular port configuration and pulley design. Other Sherwood models serve different engine manufacturers and specifications. The G9901 represents Sherwood's dedicated solution for these marine engine platforms.
Q: Can the G9901 be installed as an aftermarket upgrade to original cooling systems?
Yes, the Sherwood G9901 is commonly installed as an OEM replacement and aftermarket upgrade. Its standard port sizes and pulley configuration ensure compatibility with existing mounting and belt-drive systems. Professional installation by experienced marine technicians is recommended to ensure proper fit and function.
Q: What maintenance schedule is recommended for the G9901 pump?
Regular inspection of impeller condition, seal integrity, and bearing wear is recommended annually or every 100 operating hours. Periodic cleaning of intake strainers prevents debris accumulation. Replacement is typically recommended when impeller wear exceeds 10-15% or if seal leakage occurs. Sherwood provides rebuild kits for users preferring overhaul rather than replacement.
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