Description
Jabsco Impeller Replacement | Boat Supply Store
Maintain consistent engine cooling and prevent overheating with this genuine Dometic Jabsco impeller. Engineered for robust performance, it ensures reliable water circulation vital for diesel and gasoline marine engines operating in harsh saltwater environments. This specific model features a 1-1/4 inch shaft diameter and a 3-3/8 inch overall diameter, critical dimensions for direct replacement of worn or degraded units, ensuring your vessel's propulsion system operates efficiently off the coast of Corpus Christi.
Key Features
- Reliable engine cooling to prevent overheating
- Durable construction for extended service life
- Direct replacement for specified Dometic Jabsco pumps
- Essential for maintaining raw water circulation
- Compact design with precise dimensions
- Prevents costly engine damage from heat
- Ensures peak operational efficiency
- Easy installation for straightforward maintenance
Specifications
| Product Specifications | |
|---|---|
| Shaft Diameter | 1-1/4 inch |
| Overall Diameter | 3-3/8 inch |
| Material | High-grade rubber compound |
| Brand | DOMETIC |
| Model | Jabsco |
| SKU | M18-3021 |
Who This Is For
This impeller is designed for marine mechanics and boat owners performing routine engine maintenance on vessels requiring consistent raw water cooling. It is ideal for those replacing worn components on existing Jabsco raw water pumps to restore optimal engine performance.
How It Compares
| Feature | Jabsco Impeller Replacement | Sherwood Impeller |
|---|---|---|
| Shaft Diameter | 1-1/4 inch | 1-1/4 inch |
| Overall Diameter | 3-3/8 inch | 3-3/8 inch |
| Material | High-grade rubber compound | Neoprene |
Common Concerns Answered
Will this impeller fit my existing pump?
This Jabsco impeller (SKU: M18-3021) is specifically designed as a direct replacement for compatible Dometic Jabsco pumps. Verify your existing pump's model and shaft/overall diameter (1-1/4" shaft, 3-3/8" overall) against these specifications to ensure proper fitment.
How often should I replace my marine engine's impeller?
Routine replacement is recommended annually or every 1000 hours of operation, whichever comes first, to prevent catastrophic engine overheating. Inspect the impeller during your regular maintenance checks for signs of wear or damage.
What is the primary function of this impeller?
This impeller's primary function is to generate flow in the raw water cooling system, circulating water through the engine's heat exchanger or jacket to dissipate heat and maintain optimal operating temperature.
Frequently Asked Questions
What is the shaft diameter of this Jabsco impeller?
The shaft diameter for this Dometic Jabsco impeller is 1-1/4 inches.
What is the overall diameter of the impeller?
The overall diameter of this Dometic Jabsco impeller is 3-3/8 inches.
Is this an OEM replacement part?
This is a genuine Dometic Jabsco replacement impeller, designed to meet the original manufacturer's specifications for compatible pump models.
What type of environments is this impeller suitable for?
This impeller is constructed from a high-grade rubber compound suitable for circulating raw water in various marine environments, including saltwater conditions where corrosion resistance is critical.
What is the installation difficulty level?
The installation difficulty level is rated as 1, indicating it is a straightforward replacement process requiring basic mechanical knowledge and tools.