186 6178 Water Pump for Onan Military Generator MEP 802A MEP 803A Engine

Product Overview

This water pump is a critical cooling system component designed for Onan engines used in US military generators MEP-802A and MEP-803A. It circulates coolant to maintain optimal engine temperature during operation, ensuring reliable power generation. The pump meets OEM specifications and is a direct bolt-on replacement for the original part.

Key Features & Performance

• Direct replacement water pump for Onan engines in military generators
• OEM part number 186-6178 for exact specifications
• Constructed with high-quality materials for long service life
• Ensures proper coolant flow to prevent engine overheating
• Sealed bearing design reduces maintenance requirements

Fitment & Compatibility

• Onan engines used in US Military Generator MEP-802A
• Onan engines used in US Military Generator MEP-803A

Common Uses

• Replace worn or leaking water pump on military generator engines
• Rebuild or overhaul cooling system during generator maintenance
• Upgrade to a new pump when restoring surplus military generators
• Maintain reliable cooling during continuous or standby generator operation

Technical Specifications

• Part Number(s): 186-6178
• Application: Onan generator engine for MEP-802A and MEP-803A
• Type: Engine water pump
• Material: Cast iron / steel (typical)

Frequently Asked Questions

Q: Will this water pump fit other Onan generator models? A: This pump is specifically designed for the Onan engines in MEP-802A and MEP-803A generators; other models may require a different part number.

Q: Does the pump come with a gasket or installation hardware? A: The water pump is sold as a bare unit; we recommend ordering a new gasket separately for a proper seal during installation.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.