Description
Dometic M18-3069 Impeller | Boat Supply Store
This Dometic M18-3069 impeller is engineered to maintain efficient raw water cooling for marine engines. Designed with a specific vane configuration, it ensures maximum flow rate for effective heat dissipation. Essential for routine engine maintenance, this component prevents overheating in demanding marine environments, such as extended offshore runs along the Texas coast.
Key Features
- Ensures optimal engine cooling
- Prevents overheating and engine damage
- Maintains consistent water flow
- Durable construction for longevity
- Direct replacement for specified pumps
- Facilitates efficient heat exchange
- Critical for engine health
- Reliable performance in marine conditions
Specifications
| Product Specifications | |
|---|---|
| Brand | DOMETIC |
| SKU | M18-3069 |
| Category | Plumbing & Ventilation |
| MPN | undefined |
| Install Difficulty | 1 |
Who This Is For
This impeller is for boat owners and marine mechanics who need a direct replacement for a worn or damaged Dometic raw water pump impeller. It is essential for maintaining the cooling efficiency of inboard marine engines.
How It Compares
| Feature | Dometic M18-3069 Impeller | JABSCO |
|---|---|---|
| Material | Rubber | Rubber |
| Vane Count | 6 | 6 |
| Shaft Diameter | 1/2 inch | 1/2 inch |
Common Concerns Answered
How often should I replace my engine's raw water impeller?
Routine replacement is recommended annually or every 500-1000 operating hours, whichever comes first, to prevent catastrophic engine failure due to an impeller malfunction.
Will this impeller fit my specific Dometic raw water pump?
This M18-3069 impeller is designed as a direct replacement for specific Dometic pump models. Always verify your pump's part number or existing impeller specifications against this product's details.
What happens if my impeller fails while underway?
Impeller failure will lead to a loss of raw water flow to the engine's cooling system, causing rapid overheating and potential severe engine damage if not addressed immediately.
Frequently Asked Questions
What is the primary function of this impeller?
The impeller is the heart of the raw water cooling pump, creating suction to draw water from the sea and circulate it through the engine's heat exchanger.
What material is the Dometic M18-3069 impeller constructed from?
This impeller is typically constructed from a durable, flexible rubber compound designed to withstand the rigors of raw water circulation.
How do I know if my current impeller needs replacement?
Signs of a failing impeller include reduced water flow from the exhaust, engine overheating alarms, and physical inspection revealing cracked, missing, or deformed vanes.
Does the installation difficulty rating of '1' indicate ease of replacement?
Yes, an installation difficulty rating of '1' signifies that this is a straightforward replacement task, generally requiring basic tools and minimal mechanical expertise.
Is this impeller suitable for all types of marine engines?
No, this impeller is specifically designed for use with particular Dometic raw water pump models and their corresponding engine cooling systems. Compatibility must be confirmed.
