Description
DOMETIC Merc I/O Pump Housing Kit | Boat Supply Store
This Dometic pump housing kit is engineered to restore optimal performance to your MerCruiser I/O raw water cooling system, preventing overheating in demanding marine environments. It directly replaces worn or corroded original housings, ensuring efficient water flow critical for engine longevity. Designed for a 1994-2001 MerCruiser 4.3L to 7.4L engine, this kit maintains the necessary 0.75 GPM flow rate for reliable operation. Crucial for vessels operating in brackish or saltwater conditions, such as those found along the Texas coast.
Key Features
- Durable Construction for long-lasting marine service.
- Direct Fit Replacement ensures seamless integration with your MerCruiser I/O.
- Restores Cooling Efficiency to prevent engine overheating.
- High-Quality Materials resist corrosion in harsh marine environments.
- Precise Engineering for optimal water flow and pump function.
- Essential for Preventative Maintenance to avoid costly repairs.
- Ensures Reliable Engine Operation across various water conditions.
- Designed for Specific MerCruiser I/O Models for guaranteed compatibility.
Specifications
| Product Specifications | |
|---|---|
| Brand | DOMETIC |
| SKU | M18-3317 |
| BC_ID | 149893 |
| Category | Plumbing & Ventilation |
| Model Compatibility | MerCruiser I/O 1994-2001 4.3L-7.4L |
| Flow Rate | 0.75 GPM |
Who This Is For
This kit is for MerCruiser I/O sterndrive owners who need to replace a worn or damaged raw water pump housing to maintain their engine's cooling system. Boat owners performing routine maintenance or addressing overheating issues will find this essential for their vessel's reliability.
How It Compares
| Feature | DOMETIC Merc I/O Pump Housing Kit | Competitor |
|---|---|---|
| Pump Housing Material | High-grade composite | Cast aluminum |
| Included Gaskets | Yes | Yes |
| Flow Rate Rating | 0.75 GPM | 0.75 GPM |
| Engine Series Compatibility | MerCruiser 4.3L-7.4L (1994-2001) | MerCruiser 4.3L-7.4L |
Common Concerns Answered
Will this housing fit my specific MerCruiser engine?
This DOMETIC M18-3317 pump housing kit is engineered for MerCruiser I/O sterndrive engines manufactured between 1994 and 2001, covering 4.3L through 7.4L displacements, ensuring precise compatibility.
My current pump housing is corroded, will this replacement last?
Constructed from high-grade, marine-grade materials, this DOMETIC housing is designed to resist corrosion and wear, offering superior longevity in the harsh marine environment compared to standard aluminum components.
Is the installation process complicated?
With an Install Difficulty rating of 1, this kit is designed for straightforward installation by most boaters, assuming basic mechanical aptitude and proper tooling.
Frequently Asked Questions
What is the primary function of a pump housing kit?
A pump housing kit, such as this DOMETIC unit, forms the critical chamber for the impeller in your raw water pump, directing and containing the water flow necessary for engine cooling.
What is the specified flow rate for this pump housing?
This DOMETIC pump housing kit is designed to maintain a flow rate of 0.75 Gallons Per Minute (GPM), crucial for effective engine temperature regulation.
What specific MerCruiser engine series are covered by this kit?
This kit is compatible with MerCruiser I/O sterndrive engines from 1994 to 2001, including displacements from 4.3L up to 7.4L.
Does this kit include all necessary components for replacement?
This kit contains the pump housing and any required gaskets for a complete installation, assuming the existing impeller and wear plate are in good condition.
Why is replacing a pump housing important for engine health?
A compromised pump housing can lead to reduced water flow, causing the engine to overheat, which can result in severe internal damage and costly repairs. Regular replacement ensures consistent cooling.
