Sherwood K-75B-01 Engine Cooling Pump for Onan Model 3 & Model 4 Engines
The Sherwood K-75B-01 is a precision-engineered engine cooling pump designed specifically for Onan Model 3 and Model 4 engines used in generators, recreational vehicles, and industrial equipment. This centrifugal circulation pump delivers reliable coolant flow with a 20 to 30 PSI operating range, making it an essential component for maintaining optimal engine temperature during extended operations. Built to stringent marine and industrial standards, the K-75B-01 features robust construction that withstands challenging operating conditions while providing consistent performance across diverse applications.
Featuring 1-inch inlet and outlet ports, the Sherwood K-75B-01 pump seamlessly integrates into existing cooling system configurations without requiring extensive modifications. The pump's durable design ensures long service life while maintaining efficient coolant circulation through your engine block and radiator. Whether you operate a generator set, boat engine, RV power plant, or industrial cooling system, this replacement pump delivers the performance and reliability you depend on for uninterrupted operation.
The K-75B-01 replacement pump is the ideal choice for anyone seeking to restore full cooling efficiency to their Onan-equipped machinery. By replacing worn or damaged pumps with this genuine Sherwood component, you restore critical circulation performance and protect your engine investment from heat-related damage. This pump maintains compatibility with the original OEM specifications while offering improved reliability and extended service intervals.
Key Features
- 1-inch inlet and outlet port connections for universal compatibility
- Operating pressure range of 20 to 30 PSI for safe, reliable circulation
- Precision-manufactured centrifugal impeller design for consistent flow rates
- Heavy-duty construction suitable for marine, generator, and industrial applications
- Direct replacement for Onan Model 3 and Model 4 engine systems
- Corrosion-resistant materials for extended durability in demanding environments
- Compact footprint for easy installation in existing engine bay configurations
- Factory-tested and verified for performance across all operating conditions
Applications
- Onan Model 3 and Model 4 generator set cooling systems
- Recreational vehicle (RV) auxiliary generator units
- Marine vessel engine cooling and circulation systems
- Commercial fishing boat power plant systems
- Industrial standby generator cooling requirements
- Portable generator equipment requiring reliable coolant flow
- Marine salvage and offshore equipment cooling
- Emergency backup power systems in remote installations
Specifications
- Model Number: K-75B-01
- Pump Type: Centrifugal circulation pump
- Port Size: 1-inch inlet and 1-inch outlet
- Operating Pressure: 20 to 30 PSI
- Compatible Engine Models: Onan Model 3, Onan Model 4
- Pump Construction: Durable metal housing with corrosion protection
- Impeller Type: Centrifugal design for consistent flow
- Installation Method: Bolt-mount configuration to engine block
- Coolant Compatibility: Compatible with standard engine coolant and raw water applications
- Temperature Rating: Suitable for continuous high-temperature engine cooling duty
Frequently Asked Questions
Q: Is the Sherwood K-75B-01 compatible with both Onan Model 3 and Onan Model 4 engines?
Yes, the K-75B-01 is specifically engineered for direct compatibility with both Onan Model 3 and Model 4 engine systems, making it a versatile replacement option for a wide range of generator and marine applications.
Q: What is the port size for the inlet and outlet connections on this pump?
The K-75B-01 features 1-inch ports for both inlet and outlet connections, allowing it to integrate seamlessly into standard cooling system configurations without requiring adapter fittings.
Q: What pressure range does the Sherwood K-75B-01 operate at during normal engine cooling conditions?
This pump operates within a safe and efficient 20 to 30 PSI pressure range, providing optimal coolant circulation while protecting engine seals and cooling system components from excessive pressure stress.
Q: Can the K-75B-01 be used in both fresh water and salt water cooling applications?
Yes, the Sherwood K-75B-01 is constructed with corrosion-resistant materials and can be effectively used in both fresh water cooling systems and marine raw water cooling applications for versatile deployment.
Q: How long can I expect the Sherwood K-75B-01 pump to operate before requiring replacement?
With proper maintenance and regular coolant monitoring, the K-75B-01 typically provides 3 to 5 years of reliable service, though actual lifespan depends on operating hours, coolant condition, and environmental factors.
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