807151A14 Sea Water Pump Housing and Impeller Repair Kit Instruction Manual

1. Product Overview

The Tutor Auto 807151A14 Sea Water Pump Housing and Impeller Repair Kit is a comprehensive replacement solution for Mercruiser Bravo Engines. This kit is designed to restore optimal water circulation and cooling efficiency to your marine engine. It includes all necessary components for a complete repair, ensuring a reliable and durable solution.

Image 1: Complete Sea Water Pump Housing and Impeller Repair Kit. This image displays all components included in the kit: pump housing, impeller, O-rings, installation bolts, washers, and wear plate.

The components of this kit are manufactured from a two-step phenolic Resin compound and strong metal, ensuring high strength and durability. The impeller and pump housing surfaces are smoothed to prevent premature wear on the impeller blades, contributing to the longevity of the repair.

Image 2: Material Quality. This image highlights the robust construction of the pump housing and impeller, made from durable phenolic resin and metal for enhanced strength.

2. Compatibility

This repair kit is designed as a direct replacement for various Mercruiser Alpha, Bravo, and Ski Inboard Engines. Please verify your engine's compatibility with the following part numbers and engine types:

• Replaces Part Numbers: MerCruiser 46-807151A14, 46-807151A7, Quicksilver 807151A14, 807151A7, Sierra 18-3150, GLM 12088, Mallory 9-48350.
• Compatible Engines: Mercruiser Alpha, Bravo, Ski 4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 8.2L Inboard Engines with 1 Piece Plastic Housing; 350 MAG BRAVO, 357 MAG BRAVO, 373 MAG BRAVO, 454 MAG & more.

Image 3: Compatible Boat Engines. This image illustrates the various Mercruiser engine models that are compatible with this water pump housing and impeller repair kit.

3. Components Included

The 807151A14 Sea Water Pump Housing and Impeller Repair Kit comes complete with all the necessary replacement parts:

• Impeller: The flexible rubber component responsible for pumping water.
• Pump Housing: The main body that encases the impeller and directs water flow.
• O-ring: Seals to prevent leaks and ensure a watertight connection.
• Installation Bolts with Washers: Hardware for securely fastening the pump housing.
• Wear Plate: A protective plate that minimizes friction and wear on the pump housing from the impeller.

Image 4: Labeled Components. This image clearly labels each part included in the repair kit, such as the pump housing, impeller, O-ring, wear plate, and installation bolts with washers.

4. Setup & Installation

While this kit is designed for straightforward installation, professional installation is always recommended to ensure proper function and prevent damage. Follow these general guidelines:

1. Preparation: Ensure the engine is cool and disconnected from power. Drain any water from the existing pump system.
2. Removal of Old Components: Carefully remove the old water pump housing, impeller, and associated seals. Note the orientation of all components, especially the impeller blades.
3. Inspection: Inspect the mounting surface and surrounding areas for any damage or corrosion. Clean thoroughly.
4. Lubrication: Important: Lubricate the impeller tines and the interior of the new pump body with a suitable marine-grade lubricant before installation. This helps prevent premature wear and ensures smooth operation.
5. Installation: Install the new wear plate, O-ring, impeller, and pump housing in the correct orientation.
6. Securing Bolts: Use the provided installation bolts and washers to secure the pump housing. Caution: Some users have reported issues with the provided bolts not being manufactured correctly (e.g., incorrect length or thread depth), potentially leading to leaks or damage. It is highly recommended to compare the provided bolts with your original OEM bolts. If the original bolts are in good condition and appear more suitable, consider using them instead to ensure proper clamping and prevent issues.
7. Testing: After installation, reconnect power and slowly introduce water to the system. Check for any leaks and ensure proper water flow.

5. Maintenance

Regular maintenance is crucial for the longevity and optimal performance of your sea water pump. Key maintenance points include:

• Impeller Lubrication: Always lubricate the impeller tines and the pump body interior during installation to reduce friction and extend the life of the impeller.
• Periodic Inspection: Regularly inspect the pump housing and impeller for signs of wear, cracks, or damage. Replace components as needed.
• Winterization: Follow your engine manufacturer's guidelines for winterizing the cooling system to prevent freezing and damage to the pump.

6. Troubleshooting

If you encounter issues after installing the repair kit, consider the following common problems and solutions:

• Water Leakage:
  • Ensure O-rings are correctly seated and not pinched.
  • Verify that the installation bolts are properly tightened and providing adequate clamping force. As noted in the installation section, consider using original OEM bolts if the provided ones seem problematic.
  • Check for cracks in the pump housing, though unlikely with a new component, inspect for any manufacturing defects.
• Reduced Water Flow / Overheating:
  • Confirm the impeller is installed in the correct rotational direction.
  • Check for obstructions in the water intake or discharge lines.
  • Ensure the impeller tines are not damaged or worn prematurely.
• Premature Wear of Impeller Blades:
  • Ensure proper lubrication of the impeller tines and pump body interior during installation.
  • Verify that the pump housing's inner surface is smooth and free of rough spots that could abrade the impeller.
  • Avoid running the pump dry.

7. Specifications

8. Warranty & Support

Tutor Auto stands behind the quality of its products:

• 12-Month Warranty: This Mercruiser Bravo Water Pump Housing & Impeller Repair Kit comes with a 12-month warranty from Tutor Auto.
• Customer Satisfaction: If you are not fully satisfied with the product for any reason, you can rely on our service for a free replacement or refund.
• Contact: For support or warranty claims, please refer to the contact information provided with your purchase or visit the official Tutor Auto store on Amazon: Tutor Auto Store.